/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-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 01:36:23,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 01:36:23,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 01:36:23,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-12 01:36:23,363 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-12 01:36:23,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-12 01:36:23,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-12 01:36:23,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-12 01:36:23,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-12 01:36:23,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-12 01:36:23,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-12 01:36:23,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-12 01:36:23,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-12 01:36:23,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-12 01:36:23,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-12 01:36:23,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-12 01:36:23,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-12 01:36:23,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-12 01:36:23,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-12 01:36:23,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-12 01:36:23,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-12 01:36:23,391 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-12 01:36:23,392 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-12 01:36:23,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-12 01:36:23,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-12 01:36:23,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 01:36:23,404 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 01:36:23,405 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 01:36:23,408 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-SemanticLbe.epf [2021-03-12 01:36:23,437 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 01:36:23,437 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 01:36:23,440 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 01:36:23,440 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 01:36:23,440 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 01:36:23,440 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 01:36:23,440 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 01:36:23,440 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 01:36:23,440 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 01:36:23,441 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 01:36:23,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 01:36:23,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 01:36:23,441 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 01:36:23,441 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 01:36:23,442 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 01:36:23,442 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 01:36:23,442 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 01:36:23,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 01:36:23,442 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 01:36:23,442 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 01:36:23,442 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 01:36:23,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 01:36:23,443 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 01:36:23,443 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 01:36:23,443 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 01:36:23,443 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 01:36:23,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 01:36:23,443 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-12 01:36:23,443 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 01:36:23,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 01:36:23,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 01:36:23,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 01:36:23,708 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-12 01:36:23,709 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-12 01:36:23,710 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl [2021-03-12 01:36:23,710 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl' [2021-03-12 01:36:23,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 01:36:23,739 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-12 01:36:23,740 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 01:36:23,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 01:36:23,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 01:36:23,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 01:36:23" (1/1) ... [2021-03-12 01:36:23,754 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 01:36:23" (1/1) ... [2021-03-12 01:36:23,758 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 01:36:23,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 01:36:23,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 01:36:23,759 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 01:36:23,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 01:36:23" (1/1) ... [2021-03-12 01:36:23,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 01:36:23" (1/1) ... [2021-03-12 01:36:23,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 01:36:23" (1/1) ... [2021-03-12 01:36:23,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 01:36:23" (1/1) ... [2021-03-12 01:36:23,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 01:36:23" (1/1) ... [2021-03-12 01:36:23,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 01:36:23" (1/1) ... [2021-03-12 01:36:23,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 01:36:23" (1/1) ... [2021-03-12 01:36:23,768 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 01:36:23,769 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 01:36:23,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 01:36:23,769 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 01:36:23,770 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 01:36:23" (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 [2021-03-12 01:36:23,813 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-12 01:36:23,813 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-12 01:36:23,813 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-12 01:36:23,814 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-12 01:36:23,814 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-12 01:36:23,814 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-12 01:36:23,814 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-12 01:36:23,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 01:36:23,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 01:36:23,814 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 01:36:23,986 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 01:36:23,986 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-12 01:36:23,987 INFO L202 PluginConnector]: Adding new model threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 01:36:23 BoogieIcfgContainer [2021-03-12 01:36:23,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 01:36:23,988 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 01:36:23,988 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 01:36:23,989 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 01:36:23,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 01:36:23" (1/2) ... [2021-03-12 01:36:23,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba48316 and model type threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 01:36:23, skipping insertion in model container [2021-03-12 01:36:23,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 01:36:23" (2/2) ... [2021-03-12 01:36:23,991 INFO L111 eAbstractionObserver]: Analyzing ICFG threaded-sum-2.wvr.bpl [2021-03-12 01:36:23,994 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 01:36:23,996 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 01:36:23,996 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 01:36:24,013 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-03-12 01:36:24,024 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-03-12 01:36:24,036 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 01:36:24,036 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-12 01:36:24,036 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 01:36:24,036 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 01:36:24,036 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 01:36:24,036 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 01:36:24,036 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 01:36:24,036 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 01:36:24,042 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 24 transitions, 64 flow [2021-03-12 01:36:24,054 INFO L129 PetriNetUnfolder]: 2/22 cut-off events. [2021-03-12 01:36:24,054 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-12 01:36:24,056 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31 conditions, 22 events. 2/22 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 19 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 12. Up to 2 conditions per place. [2021-03-12 01:36:24,056 INFO L82 GeneralOperation]: Start removeDead. Operand has 29 places, 24 transitions, 64 flow [2021-03-12 01:36:24,058 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 25 places, 20 transitions, 52 flow [2021-03-12 01:36:24,060 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-12 01:36:24,067 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 25 places, 20 transitions, 52 flow [2021-03-12 01:36:24,068 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 25 places, 20 transitions, 52 flow [2021-03-12 01:36:24,068 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 25 places, 20 transitions, 52 flow [2021-03-12 01:36:24,074 INFO L129 PetriNetUnfolder]: 2/20 cut-off events. [2021-03-12 01:36:24,074 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-12 01:36:24,074 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 20 events. 2/20 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 15 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 12. Up to 2 conditions per place. [2021-03-12 01:36:24,075 INFO L116 LiptonReduction]: Number of co-enabled transitions 58 [2021-03-12 01:36:24,241 INFO L131 LiptonReduction]: Checked pairs total: 112 [2021-03-12 01:36:24,241 INFO L133 LiptonReduction]: Total number of compositions: 8 [2021-03-12 01:36:24,242 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 184 [2021-03-12 01:36:24,249 INFO L129 PetriNetUnfolder]: 2/11 cut-off events. [2021-03-12 01:36:24,249 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-12 01:36:24,249 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:24,249 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:24,249 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:24,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:24,252 INFO L82 PathProgramCache]: Analyzing trace with hash -793670430, now seen corresponding path program 1 times [2021-03-12 01:36:24,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:24,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700338200] [2021-03-12 01:36:24,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:24,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-12 01:36:24,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:24,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:24,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700338200] [2021-03-12 01:36:24,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 01:36:24,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-12 01:36:24,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087366492] [2021-03-12 01:36:24,332 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 01:36:24,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:24,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 01:36:24,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 01:36:24,342 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 32 [2021-03-12 01:36:24,343 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 17 places, 12 transitions, 36 flow. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:24,343 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:24,343 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 32 [2021-03-12 01:36:24,343 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:24,360 INFO L129 PetriNetUnfolder]: 9/25 cut-off events. [2021-03-12 01:36:24,360 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-12 01:36:24,360 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 25 events. 9/25 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 27 event pairs, 2 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 39. Up to 11 conditions per place. [2021-03-12 01:36:24,361 INFO L132 encePairwiseOnDemand]: 27/32 looper letters, 5 selfloop transitions, 3 changer transitions 0/14 dead transitions. [2021-03-12 01:36:24,361 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 14 transitions, 56 flow [2021-03-12 01:36:24,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 01:36:24,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-12 01:36:24,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 61 transitions. [2021-03-12 01:36:24,368 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6354166666666666 [2021-03-12 01:36:24,368 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 61 transitions. [2021-03-12 01:36:24,369 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 61 transitions. [2021-03-12 01:36:24,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:24,375 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 61 transitions. [2021-03-12 01:36:24,376 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:24,378 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 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) [2021-03-12 01:36:24,379 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 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) [2021-03-12 01:36:24,380 INFO L185 Difference]: Start difference. First operand has 17 places, 12 transitions, 36 flow. Second operand 3 states and 61 transitions. [2021-03-12 01:36:24,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 14 transitions, 56 flow [2021-03-12 01:36:24,382 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 14 places, 14 transitions, 46 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-03-12 01:36:24,383 INFO L241 Difference]: Finished difference. Result has 16 places, 13 transitions, 46 flow [2021-03-12 01:36:24,384 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=26, PETRI_DIFFERENCE_MINUEND_PLACES=12, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=46, PETRI_PLACES=16, PETRI_TRANSITIONS=13} [2021-03-12 01:36:24,384 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, -1 predicate places. [2021-03-12 01:36:24,384 INFO L480 AbstractCegarLoop]: Abstraction has has 16 places, 13 transitions, 46 flow [2021-03-12 01:36:24,384 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:24,384 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:24,385 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:24,385 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 01:36:24,385 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:24,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:24,385 INFO L82 PathProgramCache]: Analyzing trace with hash -1762814930, now seen corresponding path program 1 times [2021-03-12 01:36:24,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:24,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096984133] [2021-03-12 01:36:24,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:24,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:24,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:24,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:24,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:24,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:24,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096984133] [2021-03-12 01:36:24,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 01:36:24,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 01:36:24,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838130970] [2021-03-12 01:36:24,408 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 01:36:24,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:24,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 01:36:24,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-12 01:36:24,409 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 32 [2021-03-12 01:36:24,409 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 16 places, 13 transitions, 46 flow. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 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) [2021-03-12 01:36:24,409 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:24,409 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 32 [2021-03-12 01:36:24,410 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:24,431 INFO L129 PetriNetUnfolder]: 13/38 cut-off events. [2021-03-12 01:36:24,431 INFO L130 PetriNetUnfolder]: For 19/25 co-relation queries the response was YES. [2021-03-12 01:36:24,431 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 38 events. 13/38 cut-off events. For 19/25 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 61 event pairs, 2 based on Foata normal form. 8/46 useless extension candidates. Maximal degree in co-relation 35. Up to 14 conditions per place. [2021-03-12 01:36:24,432 INFO L132 encePairwiseOnDemand]: 28/32 looper letters, 8 selfloop transitions, 5 changer transitions 0/20 dead transitions. [2021-03-12 01:36:24,432 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 20 transitions, 96 flow [2021-03-12 01:36:24,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 01:36:24,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-12 01:36:24,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 93 transitions. [2021-03-12 01:36:24,433 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7265625 [2021-03-12 01:36:24,433 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 93 transitions. [2021-03-12 01:36:24,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 93 transitions. [2021-03-12 01:36:24,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:24,434 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 93 transitions. [2021-03-12 01:36:24,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 23.25) internal successors, (93), 4 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) [2021-03-12 01:36:24,435 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 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) [2021-03-12 01:36:24,435 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 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) [2021-03-12 01:36:24,435 INFO L185 Difference]: Start difference. First operand has 16 places, 13 transitions, 46 flow. Second operand 4 states and 93 transitions. [2021-03-12 01:36:24,435 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 20 transitions, 96 flow [2021-03-12 01:36:24,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 17 places, 20 transitions, 86 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-12 01:36:24,437 INFO L241 Difference]: Finished difference. Result has 19 places, 17 transitions, 80 flow [2021-03-12 01:36:24,437 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=14, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=80, PETRI_PLACES=19, PETRI_TRANSITIONS=17} [2021-03-12 01:36:24,437 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 2 predicate places. [2021-03-12 01:36:24,437 INFO L480 AbstractCegarLoop]: Abstraction has has 19 places, 17 transitions, 80 flow [2021-03-12 01:36:24,437 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 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) [2021-03-12 01:36:24,438 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:24,438 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:24,438 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 01:36:24,438 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:24,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:24,438 INFO L82 PathProgramCache]: Analyzing trace with hash 2105352292, now seen corresponding path program 1 times [2021-03-12 01:36:24,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:24,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595306658] [2021-03-12 01:36:24,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:24,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-12 01:36:24,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:24,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:24,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:24,472 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 01:36:24,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595306658] [2021-03-12 01:36:24,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 01:36:24,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 01:36:24,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595302379] [2021-03-12 01:36:24,474 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 01:36:24,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:24,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 01:36:24,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-12 01:36:24,477 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 32 [2021-03-12 01:36:24,477 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 17 transitions, 80 flow. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:24,477 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:24,477 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 32 [2021-03-12 01:36:24,477 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:24,510 INFO L129 PetriNetUnfolder]: 15/43 cut-off events. [2021-03-12 01:36:24,510 INFO L130 PetriNetUnfolder]: For 73/87 co-relation queries the response was YES. [2021-03-12 01:36:24,510 INFO L84 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 43 events. 15/43 cut-off events. For 73/87 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 61 event pairs, 2 based on Foata normal form. 8/49 useless extension candidates. Maximal degree in co-relation 56. Up to 19 conditions per place. [2021-03-12 01:36:24,511 INFO L132 encePairwiseOnDemand]: 28/32 looper letters, 7 selfloop transitions, 7 changer transitions 0/21 dead transitions. [2021-03-12 01:36:24,511 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 21 transitions, 125 flow [2021-03-12 01:36:24,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 01:36:24,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-12 01:36:24,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 89 transitions. [2021-03-12 01:36:24,512 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6953125 [2021-03-12 01:36:24,512 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 89 transitions. [2021-03-12 01:36:24,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 89 transitions. [2021-03-12 01:36:24,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:24,513 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 89 transitions. [2021-03-12 01:36:24,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:24,514 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 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) [2021-03-12 01:36:24,514 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 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) [2021-03-12 01:36:24,514 INFO L185 Difference]: Start difference. First operand has 19 places, 17 transitions, 80 flow. Second operand 4 states and 89 transitions. [2021-03-12 01:36:24,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 21 transitions, 125 flow [2021-03-12 01:36:24,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 21 transitions, 125 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-12 01:36:24,516 INFO L241 Difference]: Finished difference. Result has 24 places, 20 transitions, 130 flow [2021-03-12 01:36:24,516 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=130, PETRI_PLACES=24, PETRI_TRANSITIONS=20} [2021-03-12 01:36:24,516 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 7 predicate places. [2021-03-12 01:36:24,516 INFO L480 AbstractCegarLoop]: Abstraction has has 24 places, 20 transitions, 130 flow [2021-03-12 01:36:24,516 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:24,516 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:24,516 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:24,516 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-12 01:36:24,517 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:24,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:24,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1037724292, now seen corresponding path program 2 times [2021-03-12 01:36:24,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:24,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374166616] [2021-03-12 01:36:24,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:24,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:24,553 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.0 percent of original size [2021-03-12 01:36:24,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:24,562 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-03-12 01:36:24,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:24,576 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-03-12 01:36:24,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:24,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:24,604 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-12 01:36:24,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:24,635 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-03-12 01:36:24,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:24,652 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:36:24,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:24,665 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:24,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374166616] [2021-03-12 01:36:24,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123309924] [2021-03-12 01:36:24,666 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-12 01:36:24,698 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 01:36:24,698 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:36:24,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 16 conjunts are in the unsatisfiable core Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:36:24,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:36:24,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:24,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:24,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:24,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:24,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:24,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:24,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:24,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:24,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:24,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:24,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:24,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:24,745 INFO L142 QuantifierPusher]: treesize reduction 16, result has 62.8 percent of original size [2021-03-12 01:36:24,781 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-03-12 01:36:24,782 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-03-12 01:36:24,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:24,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:24,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:24,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:24,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:24,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:24,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:24,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:24,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:24,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:24,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:24,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:24,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:24,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:24,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:24,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:24,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:24,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:24,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:24,858 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:36:24,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:24,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:24,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:36:24,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:24,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:24,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:36:24,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,875 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:24,875 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:24,895 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:24,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:24,924 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-12 01:36:24,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:36:24,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:24,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:24,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:24,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:24,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 01:36:24,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:24,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:24,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:24,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:24,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:24,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:24,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:24,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:24,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:24,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:24,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:24,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:24,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:24,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:24,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:24,958 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:24,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:36:24,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 13 [2021-03-12 01:36:24,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440934650] [2021-03-12 01:36:24,958 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-12 01:36:24,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:24,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-12 01:36:24,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-03-12 01:36:24,960 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:36:24,960 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 20 transitions, 130 flow. Second operand has 15 states, 15 states have (on average 11.333333333333334) internal successors, (170), 15 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:24,960 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:24,960 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:36:24,960 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:25,260 INFO L129 PetriNetUnfolder]: 85/194 cut-off events. [2021-03-12 01:36:25,260 INFO L130 PetriNetUnfolder]: For 313/313 co-relation queries the response was YES. [2021-03-12 01:36:25,261 INFO L84 FinitePrefix]: Finished finitePrefix Result has 712 conditions, 194 events. 85/194 cut-off events. For 313/313 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 703 event pairs, 0 based on Foata normal form. 4/198 useless extension candidates. Maximal degree in co-relation 339. Up to 68 conditions per place. [2021-03-12 01:36:25,261 INFO L132 encePairwiseOnDemand]: 26/32 looper letters, 26 selfloop transitions, 36 changer transitions 10/76 dead transitions. [2021-03-12 01:36:25,261 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 76 transitions, 609 flow [2021-03-12 01:36:25,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 01:36:25,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-12 01:36:25,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 229 transitions. [2021-03-12 01:36:25,263 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4209558823529412 [2021-03-12 01:36:25,263 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 229 transitions. [2021-03-12 01:36:25,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 229 transitions. [2021-03-12 01:36:25,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:25,264 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 229 transitions. [2021-03-12 01:36:25,264 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) [2021-03-12 01:36:25,265 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 32.0) internal successors, (576), 18 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:25,266 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 32.0) internal successors, (576), 18 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:25,266 INFO L185 Difference]: Start difference. First operand has 24 places, 20 transitions, 130 flow. Second operand 17 states and 229 transitions. [2021-03-12 01:36:25,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 76 transitions, 609 flow [2021-03-12 01:36:25,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 76 transitions, 595 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-03-12 01:36:25,269 INFO L241 Difference]: Finished difference. Result has 43 places, 50 transitions, 466 flow [2021-03-12 01:36:25,270 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=466, PETRI_PLACES=43, PETRI_TRANSITIONS=50} [2021-03-12 01:36:25,270 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 26 predicate places. [2021-03-12 01:36:25,270 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 50 transitions, 466 flow [2021-03-12 01:36:25,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.333333333333334) internal successors, (170), 15 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:25,270 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:25,270 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:25,485 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:36:25,485 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:25,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:25,486 INFO L82 PathProgramCache]: Analyzing trace with hash 840902082, now seen corresponding path program 3 times [2021-03-12 01:36:25,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:25,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317797767] [2021-03-12 01:36:25,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:25,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:25,535 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-12 01:36:25,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:25,549 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-12 01:36:25,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:25,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:25,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:36:25,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:25,595 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-12 01:36:25,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:25,607 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:36:25,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:25,620 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:36:25,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:25,626 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:25,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317797767] [2021-03-12 01:36:25,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899739474] [2021-03-12 01:36:25,626 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 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 [2021-03-12 01:36:25,645 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-12 01:36:25,646 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:36:25,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 16 conjunts are in the unsatisfiable core [2021-03-12 01:36:25,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:36:25,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:25,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:25,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:25,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:25,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:25,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:25,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:25,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:25,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:25,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:25,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:25,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:25,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:25,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:25,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:25,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:25,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:25,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:25,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:25,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:25,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:25,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:25,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:25,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:25,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:25,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:25,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:25,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:25,739 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:36:25,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:25,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:25,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:36:25,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:25,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:25,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:36:25,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,745 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:25,745 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:25,747 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:25,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:25,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:25,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:25,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:25,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:25,787 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:36:25,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:25,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:25,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:36:25,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:25,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:25,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:36:25,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,798 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:25,799 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:25,801 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:25,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:25,824 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-12 01:36:25,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:36:25,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:25,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:25,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:25,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:25,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 01:36:25,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:25,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:25,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:25,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:25,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:25,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:25,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:25,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:25,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:25,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:25,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:25,879 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:25,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:36:25,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 14 [2021-03-12 01:36:25,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984642977] [2021-03-12 01:36:25,879 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-12 01:36:25,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:25,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-12 01:36:25,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2021-03-12 01:36:25,880 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:36:25,880 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 50 transitions, 466 flow. Second operand has 16 states, 16 states have (on average 11.25) internal successors, (180), 16 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:25,880 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:25,880 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:36:25,880 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:26,127 INFO L129 PetriNetUnfolder]: 97/212 cut-off events. [2021-03-12 01:36:26,127 INFO L130 PetriNetUnfolder]: For 666/666 co-relation queries the response was YES. [2021-03-12 01:36:26,129 INFO L84 FinitePrefix]: Finished finitePrefix Result has 960 conditions, 212 events. 97/212 cut-off events. For 666/666 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 825 event pairs, 22 based on Foata normal form. 2/214 useless extension candidates. Maximal degree in co-relation 760. Up to 156 conditions per place. [2021-03-12 01:36:26,131 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 51 selfloop transitions, 23 changer transitions 8/86 dead transitions. [2021-03-12 01:36:26,131 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 86 transitions, 888 flow [2021-03-12 01:36:26,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 01:36:26,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-12 01:36:26,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 165 transitions. [2021-03-12 01:36:26,132 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4296875 [2021-03-12 01:36:26,132 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 165 transitions. [2021-03-12 01:36:26,132 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 165 transitions. [2021-03-12 01:36:26,132 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:26,132 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 165 transitions. [2021-03-12 01:36:26,133 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 13.75) internal successors, (165), 12 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) [2021-03-12 01:36:26,134 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 32.0) internal successors, (416), 13 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:26,135 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 32.0) internal successors, (416), 13 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:26,135 INFO L185 Difference]: Start difference. First operand has 43 places, 50 transitions, 466 flow. Second operand 12 states and 165 transitions. [2021-03-12 01:36:26,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 86 transitions, 888 flow [2021-03-12 01:36:26,141 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 86 transitions, 834 flow, removed 27 selfloop flow, removed 2 redundant places. [2021-03-12 01:36:26,142 INFO L241 Difference]: Finished difference. Result has 55 places, 68 transitions, 661 flow [2021-03-12 01:36:26,143 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=422, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=661, PETRI_PLACES=55, PETRI_TRANSITIONS=68} [2021-03-12 01:36:26,143 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 38 predicate places. [2021-03-12 01:36:26,143 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 68 transitions, 661 flow [2021-03-12 01:36:26,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 11.25) internal successors, (180), 16 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:26,143 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:26,143 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:26,350 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:36:26,351 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:26,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:26,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1069617382, now seen corresponding path program 4 times [2021-03-12 01:36:26,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:26,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306130652] [2021-03-12 01:36:26,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:26,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:26,374 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-12 01:36:26,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:26,381 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-12 01:36:26,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:26,387 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-03-12 01:36:26,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:26,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:26,401 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-12 01:36:26,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:26,413 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-12 01:36:26,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:26,425 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:36:26,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:26,437 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:36:26,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:26,465 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:26,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306130652] [2021-03-12 01:36:26,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118826745] [2021-03-12 01:36:26,465 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-12 01:36:26,480 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 01:36:26,480 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:36:26,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 16 conjunts are in the unsatisfiable core [2021-03-12 01:36:26,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:36:26,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:26,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:26,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:26,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:26,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:26,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:26,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:26,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:26,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:26,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:26,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:26,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:26,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:26,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:26,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:26,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:26,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:26,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:26,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:26,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:26,513 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:36:26,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:26,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:26,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:36:26,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:26,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:26,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:36:26,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,525 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:26,525 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:26,526 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:36:26,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:36:26,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:26,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:26,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:26,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:26,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:26,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:26,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:26,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:26,579 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-12 01:36:26,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:26,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:26,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:26,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:26,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:26,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:26,596 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-12 01:36:26,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:26,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:26,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:36:26,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:26,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:26,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:36:26,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,615 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:26,615 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:26,616 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:36:26,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:36:26,641 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-12 01:36:26,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:26,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:26,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:26,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:26,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:26,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:26,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:26,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:26,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:26,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:26,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:26,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:26,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:26,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:26,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:26,668 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:26,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:36:26,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 15 [2021-03-12 01:36:26,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959528444] [2021-03-12 01:36:26,668 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-12 01:36:26,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:26,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-12 01:36:26,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2021-03-12 01:36:26,669 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:36:26,669 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 68 transitions, 661 flow. Second operand has 17 states, 17 states have (on average 11.176470588235293) internal successors, (190), 17 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:26,669 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:26,669 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:36:26,669 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:26,789 INFO L129 PetriNetUnfolder]: 105/227 cut-off events. [2021-03-12 01:36:26,789 INFO L130 PetriNetUnfolder]: For 770/770 co-relation queries the response was YES. [2021-03-12 01:36:26,790 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1116 conditions, 227 events. 105/227 cut-off events. For 770/770 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 911 event pairs, 12 based on Foata normal form. 1/228 useless extension candidates. Maximal degree in co-relation 1090. Up to 147 conditions per place. [2021-03-12 01:36:26,791 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 42 selfloop transitions, 48 changer transitions 1/95 dead transitions. [2021-03-12 01:36:26,791 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 95 transitions, 1043 flow [2021-03-12 01:36:26,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 01:36:26,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-12 01:36:26,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 170 transitions. [2021-03-12 01:36:26,793 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.40865384615384615 [2021-03-12 01:36:26,793 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 170 transitions. [2021-03-12 01:36:26,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 170 transitions. [2021-03-12 01:36:26,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:26,794 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 170 transitions. [2021-03-12 01:36:26,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 13.076923076923077) internal successors, (170), 13 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:26,795 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 32.0) internal successors, (448), 14 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:26,795 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 32.0) internal successors, (448), 14 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:26,795 INFO L185 Difference]: Start difference. First operand has 55 places, 68 transitions, 661 flow. Second operand 13 states and 170 transitions. [2021-03-12 01:36:26,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 95 transitions, 1043 flow [2021-03-12 01:36:26,799 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 95 transitions, 1030 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-03-12 01:36:26,800 INFO L241 Difference]: Finished difference. Result has 69 places, 84 transitions, 1016 flow [2021-03-12 01:36:26,800 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=648, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1016, PETRI_PLACES=69, PETRI_TRANSITIONS=84} [2021-03-12 01:36:26,800 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 52 predicate places. [2021-03-12 01:36:26,800 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 84 transitions, 1016 flow [2021-03-12 01:36:26,801 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 11.176470588235293) internal successors, (190), 17 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:26,801 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:26,801 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:27,003 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:36:27,003 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:27,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:27,003 INFO L82 PathProgramCache]: Analyzing trace with hash 234573898, now seen corresponding path program 5 times [2021-03-12 01:36:27,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:27,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958460353] [2021-03-12 01:36:27,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:27,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:27,036 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-12 01:36:27,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:27,043 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-12 01:36:27,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:27,057 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-12 01:36:27,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:27,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:27,070 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-12 01:36:27,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:27,077 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:36:27,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:27,087 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:36:27,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:27,093 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:27,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958460353] [2021-03-12 01:36:27,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040342749] [2021-03-12 01:36:27,093 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-12 01:36:27,117 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-03-12 01:36:27,117 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:36:27,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-12 01:36:27,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:36:27,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:36:27,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:27,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:27,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:27,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:27,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:27,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:27,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:27,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:27,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:27,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:27,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:27,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:27,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:27,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:27,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:27,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:27,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:27,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:27,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:27,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:27,147 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:36:27,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:27,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:27,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:36:27,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:27,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:27,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:36:27,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,156 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:27,156 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:27,157 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:36:27,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:36:27,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:27,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:27,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:27,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:27,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:27,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:27,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:27,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:27,193 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:36:27,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:27,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:27,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:36:27,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:27,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:27,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:36:27,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,200 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:27,201 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:27,201 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:27,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:27,224 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-12 01:36:27,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:27,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:27,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:27,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:27,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:27,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:27,240 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-12 01:36:27,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:27,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:27,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:27,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:27,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:27,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:27,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:27,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:27,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:27,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:27,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:27,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:27,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:27,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:27,266 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:27,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:36:27,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-12 01:36:27,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517913011] [2021-03-12 01:36:27,267 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-12 01:36:27,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:27,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-12 01:36:27,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2021-03-12 01:36:27,269 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:36:27,269 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 84 transitions, 1016 flow. Second operand has 16 states, 16 states have (on average 11.25) internal successors, (180), 16 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:27,269 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:27,269 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:36:27,269 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:27,552 INFO L129 PetriNetUnfolder]: 115/251 cut-off events. [2021-03-12 01:36:27,553 INFO L130 PetriNetUnfolder]: For 1322/1322 co-relation queries the response was YES. [2021-03-12 01:36:27,554 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1457 conditions, 251 events. 115/251 cut-off events. For 1322/1322 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1052 event pairs, 16 based on Foata normal form. 2/253 useless extension candidates. Maximal degree in co-relation 1428. Up to 179 conditions per place. [2021-03-12 01:36:27,555 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 64 selfloop transitions, 36 changer transitions 7/111 dead transitions. [2021-03-12 01:36:27,555 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 111 transitions, 1451 flow [2021-03-12 01:36:27,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 01:36:27,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-12 01:36:27,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 216 transitions. [2021-03-12 01:36:27,556 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.421875 [2021-03-12 01:36:27,556 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 216 transitions. [2021-03-12 01:36:27,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 216 transitions. [2021-03-12 01:36:27,556 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:27,556 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 216 transitions. [2021-03-12 01:36:27,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 13.5) internal successors, (216), 16 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) [2021-03-12 01:36:27,558 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 32.0) internal successors, (544), 17 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) [2021-03-12 01:36:27,558 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 32.0) internal successors, (544), 17 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) [2021-03-12 01:36:27,558 INFO L185 Difference]: Start difference. First operand has 69 places, 84 transitions, 1016 flow. Second operand 16 states and 216 transitions. [2021-03-12 01:36:27,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 111 transitions, 1451 flow [2021-03-12 01:36:27,564 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 111 transitions, 1402 flow, removed 13 selfloop flow, removed 7 redundant places. [2021-03-12 01:36:27,566 INFO L241 Difference]: Finished difference. Result has 80 places, 91 transitions, 1159 flow [2021-03-12 01:36:27,566 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=967, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=1159, PETRI_PLACES=80, PETRI_TRANSITIONS=91} [2021-03-12 01:36:27,567 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 63 predicate places. [2021-03-12 01:36:27,567 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 91 transitions, 1159 flow [2021-03-12 01:36:27,567 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 11.25) internal successors, (180), 16 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:27,567 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:27,567 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:27,785 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:36:27,785 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:27,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:27,786 INFO L82 PathProgramCache]: Analyzing trace with hash 2033688854, now seen corresponding path program 6 times [2021-03-12 01:36:27,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:27,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444569458] [2021-03-12 01:36:27,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:27,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:27,815 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-12 01:36:27,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:27,820 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-12 01:36:27,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:27,827 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-12 01:36:27,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:27,834 INFO L142 QuantifierPusher]: treesize reduction 11, result has 72.5 percent of original size [2021-03-12 01:36:27,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:27,849 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-12 01:36:27,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:27,858 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:36:27,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:27,866 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:36:27,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:27,873 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:27,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444569458] [2021-03-12 01:36:27,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102561340] [2021-03-12 01:36:27,873 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-12 01:36:27,888 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-03-12 01:36:27,888 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:36:27,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-12 01:36:27,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:36:27,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:27,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:27,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:27,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:27,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:27,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:27,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:27,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:27,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:27,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:27,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:27,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:27,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:27,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:27,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:27,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:27,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:27,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:27,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:27,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:27,919 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:36:27,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:27,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:27,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:36:27,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:27,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:27,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:36:27,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,924 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:27,924 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:27,926 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:36:27,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:36:27,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:27,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:27,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:27,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:27,948 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-12 01:36:27,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:27,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:27,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:36:27,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:27,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:27,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:36:27,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,954 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:27,954 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:27,955 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:36:27,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:36:27,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:27,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:27,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:27,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:27,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:27,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:27,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:27,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:27,992 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-12 01:36:27,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:36:27,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:27,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:27,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:27,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:27,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 01:36:27,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:27,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,016 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:28,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:36:28,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 13 [2021-03-12 01:36:28,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526320731] [2021-03-12 01:36:28,016 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-12 01:36:28,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:28,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-12 01:36:28,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2021-03-12 01:36:28,017 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:36:28,017 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 91 transitions, 1159 flow. Second operand has 15 states, 15 states have (on average 11.333333333333334) internal successors, (170), 15 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:28,017 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:28,017 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:36:28,017 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:28,186 INFO L129 PetriNetUnfolder]: 121/263 cut-off events. [2021-03-12 01:36:28,186 INFO L130 PetriNetUnfolder]: For 1632/1632 co-relation queries the response was YES. [2021-03-12 01:36:28,187 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1640 conditions, 263 events. 121/263 cut-off events. For 1632/1632 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1123 event pairs, 21 based on Foata normal form. 2/265 useless extension candidates. Maximal degree in co-relation 1579. Up to 206 conditions per place. [2021-03-12 01:36:28,189 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 75 selfloop transitions, 26 changer transitions 8/113 dead transitions. [2021-03-12 01:36:28,189 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 113 transitions, 1616 flow [2021-03-12 01:36:28,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 01:36:28,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-12 01:36:28,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 164 transitions. [2021-03-12 01:36:28,190 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4270833333333333 [2021-03-12 01:36:28,190 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 164 transitions. [2021-03-12 01:36:28,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 164 transitions. [2021-03-12 01:36:28,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:28,190 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 164 transitions. [2021-03-12 01:36:28,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 13.666666666666666) internal successors, (164), 12 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) [2021-03-12 01:36:28,191 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 32.0) internal successors, (416), 13 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:28,191 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 32.0) internal successors, (416), 13 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:28,191 INFO L185 Difference]: Start difference. First operand has 80 places, 91 transitions, 1159 flow. Second operand 12 states and 164 transitions. [2021-03-12 01:36:28,192 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 113 transitions, 1616 flow [2021-03-12 01:36:28,200 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 113 transitions, 1551 flow, removed 17 selfloop flow, removed 12 redundant places. [2021-03-12 01:36:28,202 INFO L241 Difference]: Finished difference. Result has 81 places, 96 transitions, 1251 flow [2021-03-12 01:36:28,203 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=1102, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1251, PETRI_PLACES=81, PETRI_TRANSITIONS=96} [2021-03-12 01:36:28,203 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 64 predicate places. [2021-03-12 01:36:28,203 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 96 transitions, 1251 flow [2021-03-12 01:36:28,203 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 11.333333333333334) internal successors, (170), 15 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:28,203 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:28,203 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:28,418 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-03-12 01:36:28,418 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:28,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:28,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1565020230, now seen corresponding path program 7 times [2021-03-12 01:36:28,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:28,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282250085] [2021-03-12 01:36:28,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:28,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:28,439 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.0 percent of original size [2021-03-12 01:36:28,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:28,445 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-03-12 01:36:28,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-12 01:36:28,453 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-03-12 01:36:28,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:36:28,462 INFO L142 QuantifierPusher]: treesize reduction 11, result has 74.4 percent of original size [2021-03-12 01:36:28,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:36:28,481 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-03-12 01:36:28,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-12 01:36:28,491 INFO L142 QuantifierPusher]: treesize reduction 14, result has 53.3 percent of original size [2021-03-12 01:36:28,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,499 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:36:28,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:28,505 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:28,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282250085] [2021-03-12 01:36:28,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978964689] [2021-03-12 01:36:28,505 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-12 01:36:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:28,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-12 01:36:28,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:36:28,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:36:28,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,549 INFO L142 QuantifierPusher]: treesize reduction 16, result has 62.8 percent of original size [2021-03-12 01:36:28,549 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-12 01:36:28,550 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-12 01:36:28,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:28,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:28,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:28,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:28,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:28,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:28,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:28,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,577 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-12 01:36:28,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:28,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:28,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:36:28,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:28,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:28,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:36:28,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,584 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:28,584 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:28,585 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:36:28,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:36:28,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:28,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:28,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:28,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:28,619 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-12 01:36:28,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:28,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:28,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:28,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:28,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:28,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:28,640 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-12 01:36:28,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:28,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:28,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:28,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:28,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:28,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:28,672 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:28,672 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:36:28,672 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-12 01:36:28,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547226842] [2021-03-12 01:36:28,673 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-12 01:36:28,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:28,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-12 01:36:28,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2021-03-12 01:36:28,673 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:36:28,674 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 96 transitions, 1251 flow. Second operand has 16 states, 16 states have (on average 11.25) internal successors, (180), 16 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:28,674 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:28,674 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:36:28,674 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:28,888 INFO L129 PetriNetUnfolder]: 149/326 cut-off events. [2021-03-12 01:36:28,888 INFO L130 PetriNetUnfolder]: For 2215/2215 co-relation queries the response was YES. [2021-03-12 01:36:28,889 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2113 conditions, 326 events. 149/326 cut-off events. For 2215/2215 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1462 event pairs, 20 based on Foata normal form. 4/330 useless extension candidates. Maximal degree in co-relation 2078. Up to 198 conditions per place. [2021-03-12 01:36:28,890 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 80 selfloop transitions, 45 changer transitions 13/142 dead transitions. [2021-03-12 01:36:28,890 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 142 transitions, 2121 flow [2021-03-12 01:36:28,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 01:36:28,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-12 01:36:28,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 233 transitions. [2021-03-12 01:36:28,892 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.42830882352941174 [2021-03-12 01:36:28,892 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 233 transitions. [2021-03-12 01:36:28,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 233 transitions. [2021-03-12 01:36:28,892 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:28,892 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 233 transitions. [2021-03-12 01:36:28,892 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 13.705882352941176) internal successors, (233), 17 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:28,893 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 32.0) internal successors, (576), 18 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:28,893 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 32.0) internal successors, (576), 18 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:28,893 INFO L185 Difference]: Start difference. First operand has 81 places, 96 transitions, 1251 flow. Second operand 17 states and 233 transitions. [2021-03-12 01:36:28,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 142 transitions, 2121 flow [2021-03-12 01:36:28,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 142 transitions, 2035 flow, removed 30 selfloop flow, removed 7 redundant places. [2021-03-12 01:36:28,906 INFO L241 Difference]: Finished difference. Result has 97 places, 113 transitions, 1611 flow [2021-03-12 01:36:28,906 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=1175, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1611, PETRI_PLACES=97, PETRI_TRANSITIONS=113} [2021-03-12 01:36:28,906 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 80 predicate places. [2021-03-12 01:36:28,906 INFO L480 AbstractCegarLoop]: Abstraction has has 97 places, 113 transitions, 1611 flow [2021-03-12 01:36:28,907 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 11.25) internal successors, (180), 16 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:28,907 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:28,907 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:29,123 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-03-12 01:36:29,125 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:29,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:29,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1251438454, now seen corresponding path program 8 times [2021-03-12 01:36:29,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:29,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264611833] [2021-03-12 01:36:29,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:29,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:29,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:29,145 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-12 01:36:29,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264611833] [2021-03-12 01:36:29,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427903316] [2021-03-12 01:36:29,145 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 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 [2021-03-12 01:36:29,174 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 01:36:29,174 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:36:29,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-12 01:36:29,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:36:29,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:29,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:29,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:29,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:29,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:29,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:29,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:29,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:29,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:29,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:29,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:29,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:29,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,193 INFO L142 QuantifierPusher]: treesize reduction 16, result has 48.4 percent of original size [2021-03-12 01:36:29,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,200 INFO L142 QuantifierPusher]: treesize reduction 16, result has 48.4 percent of original size [2021-03-12 01:36:29,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:29,202 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-12 01:36:29,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:29,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:29,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:29,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:29,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:29,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:29,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:29,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:29,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:29,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:29,206 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-12 01:36:29,206 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:36:29,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-03-12 01:36:29,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533788233] [2021-03-12 01:36:29,206 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-12 01:36:29,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:29,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-12 01:36:29,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-12 01:36:29,207 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 32 [2021-03-12 01:36:29,207 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 113 transitions, 1611 flow. Second operand has 5 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) [2021-03-12 01:36:29,207 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:29,207 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 32 [2021-03-12 01:36:29,207 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:29,249 INFO L129 PetriNetUnfolder]: 117/294 cut-off events. [2021-03-12 01:36:29,249 INFO L130 PetriNetUnfolder]: For 3494/3536 co-relation queries the response was YES. [2021-03-12 01:36:29,250 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2155 conditions, 294 events. 117/294 cut-off events. For 3494/3536 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1368 event pairs, 12 based on Foata normal form. 3/291 useless extension candidates. Maximal degree in co-relation 2112. Up to 125 conditions per place. [2021-03-12 01:36:29,252 INFO L132 encePairwiseOnDemand]: 28/32 looper letters, 51 selfloop transitions, 45 changer transitions 0/136 dead transitions. [2021-03-12 01:36:29,252 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 136 transitions, 2132 flow [2021-03-12 01:36:29,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 01:36:29,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-12 01:36:29,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 116 transitions. [2021-03-12 01:36:29,252 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.725 [2021-03-12 01:36:29,253 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 116 transitions. [2021-03-12 01:36:29,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 116 transitions. [2021-03-12 01:36:29,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:29,253 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 116 transitions. [2021-03-12 01:36:29,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:29,253 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:29,253 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:29,253 INFO L185 Difference]: Start difference. First operand has 97 places, 113 transitions, 1611 flow. Second operand 5 states and 116 transitions. [2021-03-12 01:36:29,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 136 transitions, 2132 flow [2021-03-12 01:36:29,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 136 transitions, 2012 flow, removed 51 selfloop flow, removed 8 redundant places. [2021-03-12 01:36:29,267 INFO L241 Difference]: Finished difference. Result has 92 places, 132 transitions, 1971 flow [2021-03-12 01:36:29,267 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=1495, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1971, PETRI_PLACES=92, PETRI_TRANSITIONS=132} [2021-03-12 01:36:29,268 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 75 predicate places. [2021-03-12 01:36:29,268 INFO L480 AbstractCegarLoop]: Abstraction has has 92 places, 132 transitions, 1971 flow [2021-03-12 01:36:29,268 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 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) [2021-03-12 01:36:29,268 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:29,268 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:29,484 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:36:29,484 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:29,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:29,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1848185836, now seen corresponding path program 9 times [2021-03-12 01:36:29,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:29,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843599219] [2021-03-12 01:36:29,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:29,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:29,506 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-12 01:36:29,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:29,513 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-12 01:36:29,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:29,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:29,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:36:29,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:29,539 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-12 01:36:29,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:36:29,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:29,548 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-12 01:36:29,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:29,556 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:36:29,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:29,568 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:36:29,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:29,574 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 01:36:29,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843599219] [2021-03-12 01:36:29,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964389116] [2021-03-12 01:36:29,574 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 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 [2021-03-12 01:36:29,596 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-03-12 01:36:29,596 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:36:29,597 WARN L261 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-12 01:36:29,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:36:29,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:29,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:29,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:29,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:29,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:29,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:29,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:29,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:29,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:29,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:29,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:29,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:29,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:29,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:29,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:29,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:29,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:29,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:29,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:29,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:29,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:29,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:29,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:29,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:29,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:29,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:29,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:29,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:29,643 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:36:29,643 INFO L147 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size 18 [2021-03-12 01:36:29,644 INFO L142 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size [2021-03-12 01:36:29,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:29,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:29,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:29,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:29,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:29,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:29,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:29,668 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:36:29,669 INFO L147 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size 20 [2021-03-12 01:36:29,669 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-03-12 01:36:29,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:29,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:29,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:29,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:29,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:29,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:29,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:29,704 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-12 01:36:29,705 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size 44 [2021-03-12 01:36:29,706 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-03-12 01:36:29,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:36:29,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:36:29,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:36:29,733 INFO L142 QuantifierPusher]: treesize reduction 9, result has 82.7 percent of original size [2021-03-12 01:36:29,734 INFO L147 QuantifierPusher]: treesize reduction 17, result has 60.5 percent of original size 26 [2021-03-12 01:36:29,735 INFO L142 QuantifierPusher]: treesize reduction 17, result has 61.4 percent of original size [2021-03-12 01:36:29,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:29,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:29,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:29,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:29,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:29,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:29,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:29,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:29,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:29,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:29,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:29,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:29,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:29,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:29,762 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:29,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:36:29,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 17 [2021-03-12 01:36:29,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742448361] [2021-03-12 01:36:29,763 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-12 01:36:29,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:29,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-12 01:36:29,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2021-03-12 01:36:29,764 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:36:29,764 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 132 transitions, 1971 flow. Second operand has 19 states, 19 states have (on average 11.263157894736842) internal successors, (214), 19 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:29,764 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:29,764 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:36:29,764 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:30,233 INFO L129 PetriNetUnfolder]: 190/404 cut-off events. [2021-03-12 01:36:30,233 INFO L130 PetriNetUnfolder]: For 4755/4755 co-relation queries the response was YES. [2021-03-12 01:36:30,234 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2950 conditions, 404 events. 190/404 cut-off events. For 4755/4755 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1834 event pairs, 51 based on Foata normal form. 3/407 useless extension candidates. Maximal degree in co-relation 2801. Up to 349 conditions per place. [2021-03-12 01:36:30,236 INFO L132 encePairwiseOnDemand]: 24/32 looper letters, 112 selfloop transitions, 21 changer transitions 21/158 dead transitions. [2021-03-12 01:36:30,236 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 158 transitions, 2623 flow [2021-03-12 01:36:30,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 01:36:30,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-12 01:36:30,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 244 transitions. [2021-03-12 01:36:30,237 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.40131578947368424 [2021-03-12 01:36:30,237 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 244 transitions. [2021-03-12 01:36:30,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 244 transitions. [2021-03-12 01:36:30,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:30,237 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 244 transitions. [2021-03-12 01:36:30,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 12.842105263157896) internal successors, (244), 19 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:30,239 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 32.0) internal successors, (640), 20 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:30,239 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 32.0) internal successors, (640), 20 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:30,239 INFO L185 Difference]: Start difference. First operand has 92 places, 132 transitions, 1971 flow. Second operand 19 states and 244 transitions. [2021-03-12 01:36:30,239 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 158 transitions, 2623 flow [2021-03-12 01:36:30,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 158 transitions, 2607 flow, removed 8 selfloop flow, removed 0 redundant places. [2021-03-12 01:36:30,257 INFO L241 Difference]: Finished difference. Result has 119 places, 132 transitions, 2064 flow [2021-03-12 01:36:30,257 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=1959, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=2064, PETRI_PLACES=119, PETRI_TRANSITIONS=132} [2021-03-12 01:36:30,257 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 102 predicate places. [2021-03-12 01:36:30,257 INFO L480 AbstractCegarLoop]: Abstraction has has 119 places, 132 transitions, 2064 flow [2021-03-12 01:36:30,258 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 11.263157894736842) internal successors, (214), 19 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:30,258 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:30,258 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:30,471 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-03-12 01:36:30,471 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:30,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:30,472 INFO L82 PathProgramCache]: Analyzing trace with hash 586783860, now seen corresponding path program 10 times [2021-03-12 01:36:30,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:30,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469293164] [2021-03-12 01:36:30,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:30,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:30,508 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-12 01:36:30,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:30,513 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-12 01:36:30,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:30,519 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-03-12 01:36:30,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:30,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:30,532 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-12 01:36:30,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:30,541 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-12 01:36:30,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:36:30,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:30,558 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-12 01:36:30,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:30,567 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:36:30,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:30,578 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:36:30,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:30,588 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:30,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469293164] [2021-03-12 01:36:30,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579943300] [2021-03-12 01:36:30,588 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-12 01:36:30,603 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 01:36:30,603 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:36:30,603 WARN L261 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-12 01:36:30,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:36:30,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:30,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:30,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:30,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:30,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:30,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:30,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:30,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:30,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:30,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:30,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:30,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:30,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:30,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:30,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:30,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:30,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:30,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:30,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:30,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:30,635 INFO L142 QuantifierPusher]: treesize reduction 16, result has 64.4 percent of original size [2021-03-12 01:36:30,635 INFO L147 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size 16 [2021-03-12 01:36:30,636 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-03-12 01:36:30,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:30,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:30,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:30,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:30,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:30,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:30,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:30,662 INFO L142 QuantifierPusher]: treesize reduction 7, result has 72.0 percent of original size [2021-03-12 01:36:30,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:30,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:30,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:30,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:30,664 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-12 01:36:30,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:30,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:30,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:30,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:30,680 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-12 01:36:30,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:30,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:30,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:30,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:30,698 INFO L142 QuantifierPusher]: treesize reduction 9, result has 71.9 percent of original size [2021-03-12 01:36:30,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:30,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:30,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:30,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:30,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:30,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:30,715 INFO L142 QuantifierPusher]: treesize reduction 16, result has 64.4 percent of original size [2021-03-12 01:36:30,716 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-12 01:36:30,717 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-12 01:36:30,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:30,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:30,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:30,732 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-12 01:36:30,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:30,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:30,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:30,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:30,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:30,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:30,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:30,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:30,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:30,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:30,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:30,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:30,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:30,754 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:30,754 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:36:30,754 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 19 [2021-03-12 01:36:30,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039270864] [2021-03-12 01:36:30,755 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-12 01:36:30,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:30,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-12 01:36:30,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2021-03-12 01:36:30,756 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:36:30,756 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 132 transitions, 2064 flow. Second operand has 21 states, 21 states have (on average 11.142857142857142) internal successors, (234), 21 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:30,756 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:30,756 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:36:30,756 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:31,092 INFO L129 PetriNetUnfolder]: 192/410 cut-off events. [2021-03-12 01:36:31,092 INFO L130 PetriNetUnfolder]: For 7213/7213 co-relation queries the response was YES. [2021-03-12 01:36:31,094 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3516 conditions, 410 events. 192/410 cut-off events. For 7213/7213 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 1883 event pairs, 21 based on Foata normal form. 3/412 useless extension candidates. Maximal degree in co-relation 3471. Up to 232 conditions per place. [2021-03-12 01:36:31,096 INFO L132 encePairwiseOnDemand]: 24/32 looper letters, 63 selfloop transitions, 89 changer transitions 18/174 dead transitions. [2021-03-12 01:36:31,096 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 174 transitions, 3154 flow [2021-03-12 01:36:31,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 01:36:31,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-12 01:36:31,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 254 transitions. [2021-03-12 01:36:31,098 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.396875 [2021-03-12 01:36:31,098 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 254 transitions. [2021-03-12 01:36:31,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 254 transitions. [2021-03-12 01:36:31,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:31,099 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 254 transitions. [2021-03-12 01:36:31,100 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) [2021-03-12 01:36:31,100 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 32.0) internal successors, (672), 21 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:31,101 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 32.0) internal successors, (672), 21 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:31,101 INFO L185 Difference]: Start difference. First operand has 119 places, 132 transitions, 2064 flow. Second operand 20 states and 254 transitions. [2021-03-12 01:36:31,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 174 transitions, 3154 flow [2021-03-12 01:36:31,117 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 174 transitions, 2904 flow, removed 122 selfloop flow, removed 10 redundant places. [2021-03-12 01:36:31,121 INFO L241 Difference]: Finished difference. Result has 125 places, 143 transitions, 2465 flow [2021-03-12 01:36:31,121 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=1980, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=73, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=2465, PETRI_PLACES=125, PETRI_TRANSITIONS=143} [2021-03-12 01:36:31,121 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 108 predicate places. [2021-03-12 01:36:31,121 INFO L480 AbstractCegarLoop]: Abstraction has has 125 places, 143 transitions, 2465 flow [2021-03-12 01:36:31,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.142857142857142) internal successors, (234), 21 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:31,121 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:31,122 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:31,335 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:36:31,335 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:31,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:31,335 INFO L82 PathProgramCache]: Analyzing trace with hash 511586564, now seen corresponding path program 11 times [2021-03-12 01:36:31,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:31,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344939312] [2021-03-12 01:36:31,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:31,358 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.0 percent of original size [2021-03-12 01:36:31,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:31,363 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-12 01:36:31,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:31,371 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-12 01:36:31,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:31,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:31,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 01:36:31,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-12 01:36:31,452 INFO L142 QuantifierPusher]: treesize reduction 6, result has 75.0 percent of original size [2021-03-12 01:36:31,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:31,468 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:36:31,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:31,479 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:36:31,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:31,487 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:31,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344939312] [2021-03-12 01:36:31,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649682941] [2021-03-12 01:36:31,488 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-12 01:36:31,518 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-03-12 01:36:31,518 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:36:31,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 18 conjunts are in the unsatisfiable core [2021-03-12 01:36:31,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:36:31,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:31,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:31,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:31,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:36:31,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:31,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:31,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:31,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:31,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:31,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:31,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:31,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:31,539 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-12 01:36:31,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:31,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:31,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:31,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:31,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:31,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:31,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:31,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:31,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:31,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:31,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:31,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:31,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:31,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:31,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:31,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:31,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:31,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:31,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:31,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:31,589 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-12 01:36:31,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:31,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:31,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:31,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:31,606 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-12 01:36:31,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:31,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:31,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:31,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:31,624 INFO L142 QuantifierPusher]: treesize reduction 9, result has 71.9 percent of original size [2021-03-12 01:36:31,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:31,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:31,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:31,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:31,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:31,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:31,643 INFO L142 QuantifierPusher]: treesize reduction 16, result has 64.4 percent of original size [2021-03-12 01:36:31,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:31,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:31,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:31,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:31,659 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-12 01:36:31,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:31,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:31,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:31,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:31,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:31,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:31,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:31,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:31,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:31,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:31,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:31,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:31,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:31,684 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:31,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:36:31,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 18 [2021-03-12 01:36:31,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887567228] [2021-03-12 01:36:31,685 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-12 01:36:31,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:31,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-12 01:36:31,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2021-03-12 01:36:31,685 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:36:31,685 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 143 transitions, 2465 flow. Second operand has 20 states, 20 states have (on average 11.2) internal successors, (224), 20 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:31,685 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:31,685 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:36:31,686 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:32,066 INFO L129 PetriNetUnfolder]: 191/410 cut-off events. [2021-03-12 01:36:32,066 INFO L130 PetriNetUnfolder]: For 8469/8469 co-relation queries the response was YES. [2021-03-12 01:36:32,068 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3982 conditions, 410 events. 191/410 cut-off events. For 8469/8469 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1900 event pairs, 36 based on Foata normal form. 3/413 useless extension candidates. Maximal degree in co-relation 3933. Up to 328 conditions per place. [2021-03-12 01:36:32,071 INFO L132 encePairwiseOnDemand]: 24/32 looper letters, 128 selfloop transitions, 43 changer transitions 3/178 dead transitions. [2021-03-12 01:36:32,071 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 178 transitions, 3512 flow [2021-03-12 01:36:32,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 01:36:32,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-12 01:36:32,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 262 transitions. [2021-03-12 01:36:32,072 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.3898809523809524 [2021-03-12 01:36:32,072 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 262 transitions. [2021-03-12 01:36:32,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 262 transitions. [2021-03-12 01:36:32,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:32,072 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 262 transitions. [2021-03-12 01:36:32,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 12.476190476190476) internal successors, (262), 21 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:32,073 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 32.0) internal successors, (704), 22 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:32,073 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 32.0) internal successors, (704), 22 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:32,073 INFO L185 Difference]: Start difference. First operand has 125 places, 143 transitions, 2465 flow. Second operand 21 states and 262 transitions. [2021-03-12 01:36:32,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 178 transitions, 3512 flow [2021-03-12 01:36:32,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 178 transitions, 3239 flow, removed 97 selfloop flow, removed 13 redundant places. [2021-03-12 01:36:32,110 INFO L241 Difference]: Finished difference. Result has 133 places, 163 transitions, 2848 flow [2021-03-12 01:36:32,111 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=2326, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=2848, PETRI_PLACES=133, PETRI_TRANSITIONS=163} [2021-03-12 01:36:32,111 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 116 predicate places. [2021-03-12 01:36:32,111 INFO L480 AbstractCegarLoop]: Abstraction has has 133 places, 163 transitions, 2848 flow [2021-03-12 01:36:32,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 11.2) internal successors, (224), 20 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:32,111 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:32,111 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:32,311 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:36:32,312 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:32,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:32,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1060991072, now seen corresponding path program 12 times [2021-03-12 01:36:32,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:32,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840390503] [2021-03-12 01:36:32,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:32,326 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-12 01:36:32,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:32,332 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-12 01:36:32,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:32,338 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-12 01:36:32,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:32,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:32,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:32,358 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-12 01:36:32,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:32,369 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-03-12 01:36:32,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:32,381 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:36:32,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:32,403 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:36:32,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:32,410 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:32,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840390503] [2021-03-12 01:36:32,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1541634002] [2021-03-12 01:36:32,410 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-12 01:36:32,437 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-03-12 01:36:32,437 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:36:32,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 18 conjunts are in the unsatisfiable core [2021-03-12 01:36:32,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:36:32,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:32,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:32,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:32,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:32,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:32,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:32,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:32,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:32,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:32,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:32,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:36:32,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:32,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:32,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:32,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:32,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:32,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:32,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:32,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:32,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:32,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:32,467 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:36:32,467 INFO L147 QuantifierPusher]: treesize reduction 25, result has 39.0 percent of original size 16 [2021-03-12 01:36:32,468 INFO L142 QuantifierPusher]: treesize reduction 25, result has 39.0 percent of original size [2021-03-12 01:36:32,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:32,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:32,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:32,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:32,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:32,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:32,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:32,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:32,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:32,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:32,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:32,494 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:36:32,494 INFO L147 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size 20 [2021-03-12 01:36:32,494 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-03-12 01:36:32,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:32,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:32,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:32,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:32,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:32,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:32,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:32,525 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-12 01:36:32,526 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size 44 [2021-03-12 01:36:32,526 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-03-12 01:36:32,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:36:32,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:36:32,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:36:32,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:36:32,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:36:32,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:36:32,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:36:32,555 INFO L142 QuantifierPusher]: treesize reduction 9, result has 82.7 percent of original size [2021-03-12 01:36:32,555 INFO L147 QuantifierPusher]: treesize reduction 17, result has 60.5 percent of original size 26 [2021-03-12 01:36:32,555 INFO L142 QuantifierPusher]: treesize reduction 17, result has 61.4 percent of original size [2021-03-12 01:36:32,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:32,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:32,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:32,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:32,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:32,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:32,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:32,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:32,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:32,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:32,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:32,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:32,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:32,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:32,575 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:32,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:36:32,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 17 [2021-03-12 01:36:32,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578307593] [2021-03-12 01:36:32,575 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-12 01:36:32,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:32,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-12 01:36:32,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2021-03-12 01:36:32,576 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:36:32,576 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 163 transitions, 2848 flow. Second operand has 19 states, 19 states have (on average 11.263157894736842) internal successors, (214), 19 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:32,576 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:32,576 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:36:32,576 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:32,952 INFO L129 PetriNetUnfolder]: 198/428 cut-off events. [2021-03-12 01:36:32,952 INFO L130 PetriNetUnfolder]: For 9810/9810 co-relation queries the response was YES. [2021-03-12 01:36:32,954 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4292 conditions, 428 events. 198/428 cut-off events. For 9810/9810 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 2039 event pairs, 18 based on Foata normal form. 2/430 useless extension candidates. Maximal degree in co-relation 4239. Up to 244 conditions per place. [2021-03-12 01:36:32,957 INFO L132 encePairwiseOnDemand]: 24/32 looper letters, 63 selfloop transitions, 123 changer transitions 8/198 dead transitions. [2021-03-12 01:36:32,957 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 198 transitions, 3909 flow [2021-03-12 01:36:32,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 01:36:32,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-12 01:36:32,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 248 transitions. [2021-03-12 01:36:32,958 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.40789473684210525 [2021-03-12 01:36:32,958 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 248 transitions. [2021-03-12 01:36:32,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 248 transitions. [2021-03-12 01:36:32,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:32,958 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 248 transitions. [2021-03-12 01:36:32,958 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 13.052631578947368) internal successors, (248), 19 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:32,959 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 32.0) internal successors, (640), 20 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:32,959 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 32.0) internal successors, (640), 20 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:32,959 INFO L185 Difference]: Start difference. First operand has 133 places, 163 transitions, 2848 flow. Second operand 19 states and 248 transitions. [2021-03-12 01:36:32,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 198 transitions, 3909 flow [2021-03-12 01:36:32,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 198 transitions, 3655 flow, removed 91 selfloop flow, removed 6 redundant places. [2021-03-12 01:36:32,988 INFO L241 Difference]: Finished difference. Result has 151 places, 182 transitions, 3289 flow [2021-03-12 01:36:32,989 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=2603, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=106, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=3289, PETRI_PLACES=151, PETRI_TRANSITIONS=182} [2021-03-12 01:36:32,989 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 134 predicate places. [2021-03-12 01:36:32,989 INFO L480 AbstractCegarLoop]: Abstraction has has 151 places, 182 transitions, 3289 flow [2021-03-12 01:36:32,989 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 11.263157894736842) internal successors, (214), 19 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:32,989 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:32,989 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:33,203 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-03-12 01:36:33,203 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:33,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:33,203 INFO L82 PathProgramCache]: Analyzing trace with hash 90251054, now seen corresponding path program 13 times [2021-03-12 01:36:33,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:33,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980679861] [2021-03-12 01:36:33,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:33,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:33,221 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-03-12 01:36:33,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:33,230 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-03-12 01:36:33,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:36:33,241 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-03-12 01:36:33,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:36:33,253 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-12 01:36:33,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:33,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:33,273 INFO L142 QuantifierPusher]: treesize reduction 48, result has 30.4 percent of original size [2021-03-12 01:36:33,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:33,285 INFO L142 QuantifierPusher]: treesize reduction 40, result has 23.1 percent of original size [2021-03-12 01:36:33,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:33,293 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:33,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980679861] [2021-03-12 01:36:33,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277422503] [2021-03-12 01:36:33,293 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-12 01:36:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:33,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 17 conjunts are in the unsatisfiable core [2021-03-12 01:36:33,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:36:33,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:33,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:33,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:33,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:33,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:33,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:33,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:33,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:33,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:33,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:33,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:33,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:33,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:33,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:33,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:33,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:33,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:33,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:33,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:33,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:33,357 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:36:33,357 INFO L147 QuantifierPusher]: treesize reduction 25, result has 39.0 percent of original size 16 [2021-03-12 01:36:33,358 INFO L142 QuantifierPusher]: treesize reduction 25, result has 39.0 percent of original size [2021-03-12 01:36:33,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:33,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:33,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:33,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:33,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:33,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:33,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:33,375 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-12 01:36:33,376 INFO L147 QuantifierPusher]: treesize reduction 15, result has 54.5 percent of original size 18 [2021-03-12 01:36:33,376 INFO L142 QuantifierPusher]: treesize reduction 15, result has 54.5 percent of original size [2021-03-12 01:36:33,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:33,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:33,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:33,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:33,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:33,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:33,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:33,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:33,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:33,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:33,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:33,406 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:36:33,407 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.9 percent of original size 37 [2021-03-12 01:36:33,407 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.9 percent of original size [2021-03-12 01:36:33,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:33,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:33,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:33,428 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.6 percent of original size [2021-03-12 01:36:33,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-12 01:36:33,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:33,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:33,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:33,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:33,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-12 01:36:33,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,432 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:33,432 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:33,433 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:36:33,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:36:33,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:36:33,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:36:33,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:36:33,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:36:33,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:36:33,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:36:33,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:36:33,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:36:33,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:36:33,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:36:33,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:36:33,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:33,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:36:33,460 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:33,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:36:33,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-03-12 01:36:33,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344239091] [2021-03-12 01:36:33,461 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-12 01:36:33,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:33,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-12 01:36:33,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2021-03-12 01:36:33,462 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:36:33,469 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 182 transitions, 3289 flow. Second operand has 16 states, 16 states have (on average 11.5) internal successors, (184), 16 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:33,469 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:33,469 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:36:33,469 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:33,729 INFO L129 PetriNetUnfolder]: 203/433 cut-off events. [2021-03-12 01:36:33,729 INFO L130 PetriNetUnfolder]: For 10894/10894 co-relation queries the response was YES. [2021-03-12 01:36:33,731 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4669 conditions, 433 events. 203/433 cut-off events. For 10894/10894 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 2019 event pairs, 30 based on Foata normal form. 2/435 useless extension candidates. Maximal degree in co-relation 4609. Up to 307 conditions per place. [2021-03-12 01:36:33,734 INFO L132 encePairwiseOnDemand]: 26/32 looper letters, 124 selfloop transitions, 66 changer transitions 10/204 dead transitions. [2021-03-12 01:36:33,734 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 204 transitions, 4227 flow [2021-03-12 01:36:33,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 01:36:33,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-12 01:36:33,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 187 transitions. [2021-03-12 01:36:33,734 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4174107142857143 [2021-03-12 01:36:33,735 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 187 transitions. [2021-03-12 01:36:33,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 187 transitions. [2021-03-12 01:36:33,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:33,735 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 187 transitions. [2021-03-12 01:36:33,735 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) [2021-03-12 01:36:33,735 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 32.0) internal successors, (480), 15 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:33,736 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 32.0) internal successors, (480), 15 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:33,736 INFO L185 Difference]: Start difference. First operand has 151 places, 182 transitions, 3289 flow. Second operand 14 states and 187 transitions. [2021-03-12 01:36:33,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 204 transitions, 4227 flow [2021-03-12 01:36:33,769 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 204 transitions, 4033 flow, removed 52 selfloop flow, removed 9 redundant places. [2021-03-12 01:36:33,772 INFO L241 Difference]: Finished difference. Result has 156 places, 186 transitions, 3471 flow [2021-03-12 01:36:33,772 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=3117, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=3471, PETRI_PLACES=156, PETRI_TRANSITIONS=186} [2021-03-12 01:36:33,772 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 139 predicate places. [2021-03-12 01:36:33,772 INFO L480 AbstractCegarLoop]: Abstraction has has 156 places, 186 transitions, 3471 flow [2021-03-12 01:36:33,773 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 11.5) internal successors, (184), 16 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:33,773 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:33,773 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:33,986 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-03-12 01:36:33,986 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:33,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:33,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1431709632, now seen corresponding path program 14 times [2021-03-12 01:36:33,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:33,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49252925] [2021-03-12 01:36:33,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:34,007 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.0 percent of original size [2021-03-12 01:36:34,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:34,013 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-12 01:36:34,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:34,024 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-12 01:36:34,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:34,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:34,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:34,066 INFO L142 QuantifierPusher]: treesize reduction 7, result has 76.7 percent of original size [2021-03-12 01:36:34,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:34,081 INFO L142 QuantifierPusher]: treesize reduction 6, result has 75.0 percent of original size [2021-03-12 01:36:34,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:34,093 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:36:34,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:34,103 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:36:34,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:34,111 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:34,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49252925] [2021-03-12 01:36:34,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221507262] [2021-03-12 01:36:34,111 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 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 [2021-03-12 01:36:34,131 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 01:36:34,131 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:36:34,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 18 conjunts are in the unsatisfiable core [2021-03-12 01:36:34,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:36:34,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:34,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:34,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:34,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:34,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:34,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:34,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:34,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:34,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:34,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:34,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:34,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:34,147 INFO L142 QuantifierPusher]: treesize reduction 16, result has 62.8 percent of original size [2021-03-12 01:36:34,148 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-12 01:36:34,148 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-12 01:36:34,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:34,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:34,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:34,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:34,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:34,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:34,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:34,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:34,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:34,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:34,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:34,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:34,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:34,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:34,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:34,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:34,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:34,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:34,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:34,190 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:36:34,190 INFO L147 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size 20 [2021-03-12 01:36:34,191 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-03-12 01:36:34,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:34,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:34,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:34,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:34,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:34,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:34,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:34,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:34,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:34,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:34,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:34,223 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-12 01:36:34,224 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size 44 [2021-03-12 01:36:34,224 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-03-12 01:36:34,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:36:34,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:36:34,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:36:34,250 INFO L142 QuantifierPusher]: treesize reduction 9, result has 82.7 percent of original size [2021-03-12 01:36:34,250 INFO L147 QuantifierPusher]: treesize reduction 17, result has 60.5 percent of original size 26 [2021-03-12 01:36:34,251 INFO L142 QuantifierPusher]: treesize reduction 17, result has 61.4 percent of original size [2021-03-12 01:36:34,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:34,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:34,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:34,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:34,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:34,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:34,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:34,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:34,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:34,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:34,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:34,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:34,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:34,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:34,270 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:34,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:36:34,270 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 17 [2021-03-12 01:36:34,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965130046] [2021-03-12 01:36:34,270 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-12 01:36:34,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:34,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-12 01:36:34,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2021-03-12 01:36:34,271 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:36:34,271 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 186 transitions, 3471 flow. Second operand has 19 states, 19 states have (on average 11.263157894736842) internal successors, (214), 19 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:34,271 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:34,271 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:36:34,271 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:35,002 INFO L129 PetriNetUnfolder]: 214/459 cut-off events. [2021-03-12 01:36:35,002 INFO L130 PetriNetUnfolder]: For 13654/13654 co-relation queries the response was YES. [2021-03-12 01:36:35,004 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5069 conditions, 459 events. 214/459 cut-off events. For 13654/13654 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 2192 event pairs, 15 based on Foata normal form. 2/461 useless extension candidates. Maximal degree in co-relation 5007. Up to 250 conditions per place. [2021-03-12 01:36:35,007 INFO L132 encePairwiseOnDemand]: 24/32 looper letters, 87 selfloop transitions, 150 changer transitions 5/246 dead transitions. [2021-03-12 01:36:35,007 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 246 transitions, 5272 flow [2021-03-12 01:36:35,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 01:36:35,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-03-12 01:36:35,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 383 transitions. [2021-03-12 01:36:35,008 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.39895833333333336 [2021-03-12 01:36:35,008 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 383 transitions. [2021-03-12 01:36:35,008 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 383 transitions. [2021-03-12 01:36:35,008 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:35,008 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 383 transitions. [2021-03-12 01:36:35,009 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 12.766666666666667) internal successors, (383), 30 states have internal predecessors, (383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:35,009 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 32.0) internal successors, (992), 31 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:35,010 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 32.0) internal successors, (992), 31 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:35,010 INFO L185 Difference]: Start difference. First operand has 156 places, 186 transitions, 3471 flow. Second operand 30 states and 383 transitions. [2021-03-12 01:36:35,010 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 246 transitions, 5272 flow [2021-03-12 01:36:35,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 246 transitions, 5106 flow, removed 64 selfloop flow, removed 9 redundant places. [2021-03-12 01:36:35,047 INFO L241 Difference]: Finished difference. Result has 183 places, 227 transitions, 4672 flow [2021-03-12 01:36:35,047 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=3351, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=114, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=4672, PETRI_PLACES=183, PETRI_TRANSITIONS=227} [2021-03-12 01:36:35,048 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 166 predicate places. [2021-03-12 01:36:35,048 INFO L480 AbstractCegarLoop]: Abstraction has has 183 places, 227 transitions, 4672 flow [2021-03-12 01:36:35,048 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 11.263157894736842) internal successors, (214), 19 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:35,048 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:35,048 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:35,251 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-03-12 01:36:35,251 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:35,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:35,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1247619446, now seen corresponding path program 15 times [2021-03-12 01:36:35,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:35,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786678828] [2021-03-12 01:36:35,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:35,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:35,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-12 01:36:35,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:35,269 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 01:36:35,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786678828] [2021-03-12 01:36:35,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [719982019] [2021-03-12 01:36:35,269 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 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 [2021-03-12 01:36:35,298 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-03-12 01:36:35,298 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:36:35,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-12 01:36:35,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:36:35,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,305 INFO L142 QuantifierPusher]: treesize reduction 16, result has 48.4 percent of original size [2021-03-12 01:36:35,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:35,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:35,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:35,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:36:35,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:35,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:35,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:35,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:35,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:35,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:35,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:35,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:35,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:35,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,319 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:35,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:35,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:36:35,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,326 INFO L142 QuantifierPusher]: treesize reduction 16, result has 48.4 percent of original size [2021-03-12 01:36:35,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:36:35,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:35,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:35,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:35,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:35,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:35,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:35,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:35,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:35,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:35,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:36:35,332 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 01:36:35,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:36:35,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-03-12 01:36:35,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209667405] [2021-03-12 01:36:35,333 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-12 01:36:35,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:35,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-12 01:36:35,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-12 01:36:35,333 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 32 [2021-03-12 01:36:35,333 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 227 transitions, 4672 flow. Second operand has 5 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) [2021-03-12 01:36:35,333 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:35,333 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 32 [2021-03-12 01:36:35,333 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:35,400 INFO L129 PetriNetUnfolder]: 187/427 cut-off events. [2021-03-12 01:36:35,400 INFO L130 PetriNetUnfolder]: For 17545/17588 co-relation queries the response was YES. [2021-03-12 01:36:35,402 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5323 conditions, 427 events. 187/427 cut-off events. For 17545/17588 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 2207 event pairs, 12 based on Foata normal form. 1/408 useless extension candidates. Maximal degree in co-relation 5255. Up to 163 conditions per place. [2021-03-12 01:36:35,405 INFO L132 encePairwiseOnDemand]: 28/32 looper letters, 77 selfloop transitions, 104 changer transitions 0/238 dead transitions. [2021-03-12 01:36:35,405 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 238 transitions, 5299 flow [2021-03-12 01:36:35,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 01:36:35,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-12 01:36:35,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 112 transitions. [2021-03-12 01:36:35,406 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7 [2021-03-12 01:36:35,406 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 112 transitions. [2021-03-12 01:36:35,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 112 transitions. [2021-03-12 01:36:35,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:35,406 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 112 transitions. [2021-03-12 01:36:35,406 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) [2021-03-12 01:36:35,406 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:35,406 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:35,406 INFO L185 Difference]: Start difference. First operand has 183 places, 227 transitions, 4672 flow. Second operand 5 states and 112 transitions. [2021-03-12 01:36:35,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 238 transitions, 5299 flow [2021-03-12 01:36:35,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 238 transitions, 4771 flow, removed 224 selfloop flow, removed 15 redundant places. [2021-03-12 01:36:35,463 INFO L241 Difference]: Finished difference. Result has 171 places, 235 transitions, 4655 flow [2021-03-12 01:36:35,463 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=4154, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=4655, PETRI_PLACES=171, PETRI_TRANSITIONS=235} [2021-03-12 01:36:35,463 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 154 predicate places. [2021-03-12 01:36:35,463 INFO L480 AbstractCegarLoop]: Abstraction has has 171 places, 235 transitions, 4655 flow [2021-03-12 01:36:35,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 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) [2021-03-12 01:36:35,463 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:35,463 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:35,664 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:36:35,664 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:35,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:35,664 INFO L82 PathProgramCache]: Analyzing trace with hash 508758308, now seen corresponding path program 16 times [2021-03-12 01:36:35,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:35,664 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278080946] [2021-03-12 01:36:35,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:35,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:35,684 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.0 percent of original size [2021-03-12 01:36:35,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:35,690 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-12 01:36:35,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:35,696 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-12 01:36:35,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:35,703 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-03-12 01:36:35,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:35,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:35,717 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-12 01:36:35,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:35,728 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-03-12 01:36:35,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:35,740 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:36:35,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:35,749 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:36:35,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:35,757 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:35,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278080946] [2021-03-12 01:36:35,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310901159] [2021-03-12 01:36:35,757 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:36:35,770 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 01:36:35,770 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:36:35,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 18 conjunts are in the unsatisfiable core [2021-03-12 01:36:35,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:36:35,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:35,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:35,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:35,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:35,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:35,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:35,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:35,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:35,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:35,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:35,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:35,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:35,789 INFO L142 QuantifierPusher]: treesize reduction 16, result has 62.8 percent of original size [2021-03-12 01:36:35,789 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-12 01:36:35,790 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-12 01:36:35,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:35,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:35,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:35,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:35,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:35,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:35,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:35,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:35,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:35,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:35,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:35,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:35,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:35,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:35,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:35,828 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-12 01:36:35,828 INFO L147 QuantifierPusher]: treesize reduction 15, result has 54.5 percent of original size 18 [2021-03-12 01:36:35,828 INFO L142 QuantifierPusher]: treesize reduction 15, result has 54.5 percent of original size [2021-03-12 01:36:35,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:35,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:35,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:35,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:35,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:35,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:35,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:35,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:35,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:35,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:35,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:35,880 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-12 01:36:35,880 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size 44 [2021-03-12 01:36:35,881 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-03-12 01:36:35,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:36:35,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:36:35,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:36:35,915 INFO L142 QuantifierPusher]: treesize reduction 8, result has 83.3 percent of original size [2021-03-12 01:36:35,915 INFO L147 QuantifierPusher]: treesize reduction 17, result has 57.5 percent of original size 23 [2021-03-12 01:36:35,916 INFO L142 QuantifierPusher]: treesize reduction 17, result has 58.5 percent of original size [2021-03-12 01:36:35,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:35,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:35,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:35,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:35,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:35,931 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-12 01:36:35,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:35,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:35,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:35,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:35,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:35,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:35,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:35,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:35,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:35,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:35,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:35,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:35,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:35,950 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:35,950 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:36:35,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 18 [2021-03-12 01:36:35,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846481490] [2021-03-12 01:36:35,950 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-12 01:36:35,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:35,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-12 01:36:35,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2021-03-12 01:36:35,951 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:36:35,951 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 235 transitions, 4655 flow. Second operand has 20 states, 20 states have (on average 11.2) internal successors, (224), 20 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:35,951 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:35,951 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:36:35,951 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:36,672 INFO L129 PetriNetUnfolder]: 257/555 cut-off events. [2021-03-12 01:36:36,673 INFO L130 PetriNetUnfolder]: For 24442/24442 co-relation queries the response was YES. [2021-03-12 01:36:36,675 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6852 conditions, 555 events. 257/555 cut-off events. For 24442/24442 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2855 event pairs, 14 based on Foata normal form. 2/557 useless extension candidates. Maximal degree in co-relation 6787. Up to 206 conditions per place. [2021-03-12 01:36:36,679 INFO L132 encePairwiseOnDemand]: 24/32 looper letters, 61 selfloop transitions, 177 changer transitions 66/308 dead transitions. [2021-03-12 01:36:36,679 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 308 transitions, 7196 flow [2021-03-12 01:36:36,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-03-12 01:36:36,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-03-12 01:36:36,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 375 transitions. [2021-03-12 01:36:36,685 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4040948275862069 [2021-03-12 01:36:36,685 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 375 transitions. [2021-03-12 01:36:36,685 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 375 transitions. [2021-03-12 01:36:36,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:36,686 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 375 transitions. [2021-03-12 01:36:36,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 12.931034482758621) internal successors, (375), 29 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:36,691 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 32.0) internal successors, (960), 30 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:36,691 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 32.0) internal successors, (960), 30 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:36,691 INFO L185 Difference]: Start difference. First operand has 171 places, 235 transitions, 4655 flow. Second operand 29 states and 375 transitions. [2021-03-12 01:36:36,691 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 308 transitions, 7196 flow [2021-03-12 01:36:36,750 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 308 transitions, 7149 flow, removed 23 selfloop flow, removed 1 redundant places. [2021-03-12 01:36:36,754 INFO L241 Difference]: Finished difference. Result has 214 places, 226 transitions, 5454 flow [2021-03-12 01:36:36,755 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=4646, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=150, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=5454, PETRI_PLACES=214, PETRI_TRANSITIONS=226} [2021-03-12 01:36:36,755 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 197 predicate places. [2021-03-12 01:36:36,755 INFO L480 AbstractCegarLoop]: Abstraction has has 214 places, 226 transitions, 5454 flow [2021-03-12 01:36:36,755 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 11.2) internal successors, (224), 20 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:36,755 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:36,755 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:36,975 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-03-12 01:36:36,975 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:36,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:36,976 INFO L82 PathProgramCache]: Analyzing trace with hash -997523912, now seen corresponding path program 17 times [2021-03-12 01:36:36,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:36,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416365421] [2021-03-12 01:36:36,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:36,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:36,993 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:36:36,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:37,001 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-12 01:36:37,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:37,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:37,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:37,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:37,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:36:37,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:37,050 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-12 01:36:37,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:36:37,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:37,064 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-12 01:36:37,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:37,076 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:36:37,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:37,087 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:36:37,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:37,095 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:37,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416365421] [2021-03-12 01:36:37,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252138061] [2021-03-12 01:36:37,095 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-12 01:36:37,110 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-03-12 01:36:37,110 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:36:37,110 WARN L261 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-12 01:36:37,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:36:37,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:37,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:37,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:37,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:37,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:37,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:37,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:37,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:37,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:37,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:37,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:37,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:37,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:37,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:37,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:37,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:37,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:37,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:37,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:37,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:37,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:37,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:37,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:37,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:37,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:37,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:37,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:37,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:37,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:37,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:37,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:37,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:37,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:37,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:37,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:37,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:37,197 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-12 01:36:37,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:37,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:37,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:37,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:37,213 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-03-12 01:36:37,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:37,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:37,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 01:36:37,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:37,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:37,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 01:36:37,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,216 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:37,216 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:37,217 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:36:37,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:36:37,242 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-12 01:36:37,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:36:37,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:36:37,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:36:37,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:36:37,253 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-03-12 01:36:37,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:37,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:37,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 01:36:37,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:37,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:37,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 01:36:37,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,256 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:37,256 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:37,257 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:36:37,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:36:37,283 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-03-12 01:36:37,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-12 01:36:37,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:37,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:37,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:36:37,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:37,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:37,306 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-12 01:36:37,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:37,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:37,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:36:37,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:37,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:37,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:36:37,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,309 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:37,309 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:37,310 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:36:37,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:36:37,334 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-12 01:36:37,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:37,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:37,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:37,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:37,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:37,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:37,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:37,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:37,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:37,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:37,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:37,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:37,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:37,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:37,354 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:37,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:36:37,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 22 [2021-03-12 01:36:37,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654706276] [2021-03-12 01:36:37,355 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-03-12 01:36:37,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:37,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-03-12 01:36:37,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=459, Unknown=0, NotChecked=0, Total=552 [2021-03-12 01:36:37,356 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:36:37,356 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 226 transitions, 5454 flow. Second operand has 24 states, 24 states have (on average 11.166666666666666) internal successors, (268), 24 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:37,356 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:37,356 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:36:37,356 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:37,629 INFO L129 PetriNetUnfolder]: 232/497 cut-off events. [2021-03-12 01:36:37,629 INFO L130 PetriNetUnfolder]: For 34789/34789 co-relation queries the response was YES. [2021-03-12 01:36:37,631 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7602 conditions, 497 events. 232/497 cut-off events. For 34789/34789 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2414 event pairs, 40 based on Foata normal form. 2/499 useless extension candidates. Maximal degree in co-relation 7521. Up to 441 conditions per place. [2021-03-12 01:36:37,635 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 227 selfloop transitions, 27 changer transitions 2/260 dead transitions. [2021-03-12 01:36:37,635 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 260 transitions, 7205 flow [2021-03-12 01:36:37,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 01:36:37,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-12 01:36:37,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 254 transitions. [2021-03-12 01:36:37,636 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.396875 [2021-03-12 01:36:37,636 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 254 transitions. [2021-03-12 01:36:37,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 254 transitions. [2021-03-12 01:36:37,636 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:37,636 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 254 transitions. [2021-03-12 01:36:37,637 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) [2021-03-12 01:36:37,637 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 32.0) internal successors, (672), 21 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:37,637 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 32.0) internal successors, (672), 21 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:37,637 INFO L185 Difference]: Start difference. First operand has 214 places, 226 transitions, 5454 flow. Second operand 20 states and 254 transitions. [2021-03-12 01:36:37,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 260 transitions, 7205 flow [2021-03-12 01:36:37,702 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 260 transitions, 6286 flow, removed 299 selfloop flow, removed 28 redundant places. [2021-03-12 01:36:37,706 INFO L241 Difference]: Finished difference. Result has 179 places, 242 transitions, 5344 flow [2021-03-12 01:36:37,706 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=4874, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=5344, PETRI_PLACES=179, PETRI_TRANSITIONS=242} [2021-03-12 01:36:37,707 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 162 predicate places. [2021-03-12 01:36:37,707 INFO L480 AbstractCegarLoop]: Abstraction has has 179 places, 242 transitions, 5344 flow [2021-03-12 01:36:37,707 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 11.166666666666666) internal successors, (268), 24 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:37,707 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:37,707 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:37,919 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:36:37,919 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:37,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:37,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1522518540, now seen corresponding path program 18 times [2021-03-12 01:36:37,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:37,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551930028] [2021-03-12 01:36:37,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:37,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:37,938 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:36:37,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:37,945 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-12 01:36:37,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:37,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:37,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:37,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:37,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:37,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:37,983 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-12 01:36:37,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:38,000 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-12 01:36:38,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:36:38,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:38,024 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-12 01:36:38,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:38,037 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:36:38,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:38,049 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:36:38,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:38,059 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:38,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551930028] [2021-03-12 01:36:38,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489292453] [2021-03-12 01:36:38,059 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:36:38,075 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-03-12 01:36:38,075 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:36:38,075 WARN L261 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-12 01:36:38,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:36:38,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:38,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:38,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:38,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:38,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:38,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:38,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:38,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:38,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:38,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:38,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:38,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:38,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:38,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:38,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:38,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:38,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:38,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:38,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:38,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:38,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:38,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:38,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:38,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:38,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:38,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:38,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:38,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:38,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:38,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:38,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:38,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:38,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:38,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:38,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:38,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:38,159 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:36:38,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:38,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:38,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:36:38,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:38,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:38,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:36:38,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,162 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:38,162 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:38,163 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-12 01:36:38,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-12 01:36:38,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:38,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:38,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:38,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:38,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:38,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:38,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:38,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:38,202 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:36:38,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:38,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:38,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:36:38,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:38,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:38,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:36:38,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,206 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:38,206 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:38,207 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:38,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:38,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:38,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:38,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:38,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:38,244 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:36:38,244 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:38,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:38,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:36:38,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:38,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:38,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:36:38,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,247 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:38,247 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:38,247 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:38,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:38,288 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-12 01:36:38,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:36:38,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:38,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:38,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:38,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:38,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 01:36:38,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:38,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:38,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:38,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:38,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:38,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:38,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:38,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:38,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:38,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:38,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:38,310 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:38,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:36:38,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 21 [2021-03-12 01:36:38,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148152980] [2021-03-12 01:36:38,310 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-12 01:36:38,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:38,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-12 01:36:38,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=428, Unknown=0, NotChecked=0, Total=506 [2021-03-12 01:36:38,311 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:36:38,311 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 242 transitions, 5344 flow. Second operand has 23 states, 23 states have (on average 11.217391304347826) internal successors, (258), 23 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:38,311 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:38,311 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:36:38,311 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:38,944 INFO L129 PetriNetUnfolder]: 271/580 cut-off events. [2021-03-12 01:36:38,945 INFO L130 PetriNetUnfolder]: For 24623/24623 co-relation queries the response was YES. [2021-03-12 01:36:38,947 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7545 conditions, 580 events. 271/580 cut-off events. For 24623/24623 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2999 event pairs, 27 based on Foata normal form. 2/582 useless extension candidates. Maximal degree in co-relation 7477. Up to 353 conditions per place. [2021-03-12 01:36:38,951 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 138 selfloop transitions, 160 changer transitions 4/306 dead transitions. [2021-03-12 01:36:38,951 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 306 transitions, 7641 flow [2021-03-12 01:36:38,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-12 01:36:38,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-03-12 01:36:38,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 355 transitions. [2021-03-12 01:36:38,952 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.41087962962962965 [2021-03-12 01:36:38,952 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 355 transitions. [2021-03-12 01:36:38,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 355 transitions. [2021-03-12 01:36:38,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:38,952 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 355 transitions. [2021-03-12 01:36:38,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 13.148148148148149) internal successors, (355), 27 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:38,953 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 32.0) internal successors, (896), 28 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:38,954 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 32.0) internal successors, (896), 28 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:38,954 INFO L185 Difference]: Start difference. First operand has 179 places, 242 transitions, 5344 flow. Second operand 27 states and 355 transitions. [2021-03-12 01:36:38,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 306 transitions, 7641 flow [2021-03-12 01:36:39,016 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 306 transitions, 7380 flow, removed 124 selfloop flow, removed 6 redundant places. [2021-03-12 01:36:39,021 INFO L241 Difference]: Finished difference. Result has 203 places, 278 transitions, 6523 flow [2021-03-12 01:36:39,021 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=5129, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=131, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=6523, PETRI_PLACES=203, PETRI_TRANSITIONS=278} [2021-03-12 01:36:39,021 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 186 predicate places. [2021-03-12 01:36:39,021 INFO L480 AbstractCegarLoop]: Abstraction has has 203 places, 278 transitions, 6523 flow [2021-03-12 01:36:39,022 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 11.217391304347826) internal successors, (258), 23 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:39,022 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:39,022 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:39,235 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-03-12 01:36:39,235 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:39,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:39,235 INFO L82 PathProgramCache]: Analyzing trace with hash -509826008, now seen corresponding path program 19 times [2021-03-12 01:36:39,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:39,235 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928220340] [2021-03-12 01:36:39,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:39,251 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:36:39,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:39,258 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-12 01:36:39,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:39,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:39,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:39,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:39,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:39,294 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-12 01:36:39,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:39,308 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-12 01:36:39,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:36:39,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:39,329 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-12 01:36:39,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:39,341 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:36:39,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:39,352 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:36:39,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:39,360 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:39,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928220340] [2021-03-12 01:36:39,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1493844672] [2021-03-12 01:36:39,361 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:36:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:39,374 WARN L261 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-12 01:36:39,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:36:39,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:39,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:39,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:39,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:39,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:39,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:39,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:39,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:39,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:39,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:39,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:39,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:39,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:39,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:39,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:39,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:39,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:39,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:39,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:39,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:39,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:39,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:39,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:39,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:39,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:39,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:39,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:39,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:39,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:39,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:39,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:39,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:39,446 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:36:39,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:39,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:39,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:36:39,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:39,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:39,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:36:39,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,450 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:39,450 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:39,450 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-12 01:36:39,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-12 01:36:39,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:39,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:39,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:39,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:39,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:39,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:39,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:39,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:39,509 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-12 01:36:39,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:39,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:39,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:39,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:39,527 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-03-12 01:36:39,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:39,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:39,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 01:36:39,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:39,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:39,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 01:36:39,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,530 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:39,530 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:39,531 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:36:39,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:36:39,558 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-03-12 01:36:39,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-12 01:36:39,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:39,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:39,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:36:39,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:39,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:39,600 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-12 01:36:39,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:39,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:39,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:36:39,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:39,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:39,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:36:39,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,603 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:39,603 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:39,604 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:36:39,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:36:39,631 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-12 01:36:39,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:39,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:39,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:39,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:39,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:39,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:39,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:39,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:39,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:39,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:39,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:39,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:39,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:39,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:39,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:39,654 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:39,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:36:39,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 23 [2021-03-12 01:36:39,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576443856] [2021-03-12 01:36:39,654 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-03-12 01:36:39,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:39,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-03-12 01:36:39,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=503, Unknown=0, NotChecked=0, Total=600 [2021-03-12 01:36:39,655 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:36:39,655 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 278 transitions, 6523 flow. Second operand has 25 states, 25 states have (on average 11.12) internal successors, (278), 25 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:39,655 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:39,655 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:36:39,655 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:40,063 INFO L129 PetriNetUnfolder]: 294/635 cut-off events. [2021-03-12 01:36:40,063 INFO L130 PetriNetUnfolder]: For 27846/27846 co-relation queries the response was YES. [2021-03-12 01:36:40,066 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8558 conditions, 635 events. 294/635 cut-off events. For 27846/27846 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 3374 event pairs, 29 based on Foata normal form. 2/636 useless extension candidates. Maximal degree in co-relation 8486. Up to 397 conditions per place. [2021-03-12 01:36:40,069 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 154 selfloop transitions, 166 changer transitions 2/326 dead transitions. [2021-03-12 01:36:40,069 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 326 transitions, 8478 flow [2021-03-12 01:36:40,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-12 01:36:40,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-03-12 01:36:40,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 283 transitions. [2021-03-12 01:36:40,072 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.40198863636363635 [2021-03-12 01:36:40,072 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 283 transitions. [2021-03-12 01:36:40,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 283 transitions. [2021-03-12 01:36:40,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:40,072 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 283 transitions. [2021-03-12 01:36:40,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 12.863636363636363) internal successors, (283), 22 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:40,074 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 32.0) internal successors, (736), 23 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:40,074 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 32.0) internal successors, (736), 23 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:40,074 INFO L185 Difference]: Start difference. First operand has 203 places, 278 transitions, 6523 flow. Second operand 22 states and 283 transitions. [2021-03-12 01:36:40,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 326 transitions, 8478 flow [2021-03-12 01:36:40,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 326 transitions, 7890 flow, removed 219 selfloop flow, removed 14 redundant places. [2021-03-12 01:36:40,158 INFO L241 Difference]: Finished difference. Result has 213 places, 306 transitions, 7088 flow [2021-03-12 01:36:40,158 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=5989, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=143, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=7088, PETRI_PLACES=213, PETRI_TRANSITIONS=306} [2021-03-12 01:36:40,159 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 196 predicate places. [2021-03-12 01:36:40,159 INFO L480 AbstractCegarLoop]: Abstraction has has 213 places, 306 transitions, 7088 flow [2021-03-12 01:36:40,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 11.12) internal successors, (278), 25 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:40,159 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:40,159 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:40,373 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-03-12 01:36:40,373 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:40,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:40,374 INFO L82 PathProgramCache]: Analyzing trace with hash 112448824, now seen corresponding path program 20 times [2021-03-12 01:36:40,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:40,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697902661] [2021-03-12 01:36:40,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:40,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:40,390 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-12 01:36:40,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:40,396 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.0 percent of original size [2021-03-12 01:36:40,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:40,408 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-03-12 01:36:40,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:40,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:40,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-12 01:36:40,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-12 01:36:40,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:40,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-12 01:36:40,466 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-12 01:36:40,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:40,477 INFO L142 QuantifierPusher]: treesize reduction 13, result has 55.2 percent of original size [2021-03-12 01:36:40,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:40,485 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-12 01:36:40,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:40,491 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:40,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697902661] [2021-03-12 01:36:40,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147107266] [2021-03-12 01:36:40,492 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 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 [2021-03-12 01:36:40,508 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 01:36:40,508 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:36:40,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 20 conjunts are in the unsatisfiable core [2021-03-12 01:36:40,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:36:40,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:40,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:40,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:40,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:40,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:40,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:40,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:40,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:40,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:40,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:40,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:40,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:40,525 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-12 01:36:40,525 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-03-12 01:36:40,526 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-12 01:36:40,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:40,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:40,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:40,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:40,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:40,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:40,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:40,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:40,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:40,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:40,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:40,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:40,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:40,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:40,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:40,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:40,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:40,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:40,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:40,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:40,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:40,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:40,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:40,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:40,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:40,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:40,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:40,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:40,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:40,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:40,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:40,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:40,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:40,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:40,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:40,607 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:36:40,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:40,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:40,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:36:40,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:40,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:40,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:36:40,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,610 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:40,611 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:40,611 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:40,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:40,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:40,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:40,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:40,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:40,657 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:36:40,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:40,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:40,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:36:40,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:40,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:40,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:36:40,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,660 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:40,660 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:40,661 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:40,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:40,683 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-12 01:36:40,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:36:40,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:40,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:40,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:40,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:40,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 01:36:40,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:40,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:40,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:40,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:40,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:40,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:40,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:40,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:40,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:40,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:40,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:40,702 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:40,702 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:36:40,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 20 [2021-03-12 01:36:40,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403949428] [2021-03-12 01:36:40,703 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-03-12 01:36:40,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:40,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-03-12 01:36:40,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=363, Unknown=0, NotChecked=0, Total=462 [2021-03-12 01:36:40,703 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:36:40,703 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 306 transitions, 7088 flow. Second operand has 22 states, 22 states have (on average 11.272727272727273) internal successors, (248), 22 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:40,703 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:40,703 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:36:40,703 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:41,278 INFO L129 PetriNetUnfolder]: 417/890 cut-off events. [2021-03-12 01:36:41,278 INFO L130 PetriNetUnfolder]: For 36483/36483 co-relation queries the response was YES. [2021-03-12 01:36:41,282 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12127 conditions, 890 events. 417/890 cut-off events. For 36483/36483 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 5173 event pairs, 43 based on Foata normal form. 2/891 useless extension candidates. Maximal degree in co-relation 12054. Up to 515 conditions per place. [2021-03-12 01:36:41,286 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 266 selfloop transitions, 153 changer transitions 4/427 dead transitions. [2021-03-12 01:36:41,286 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 427 transitions, 11185 flow [2021-03-12 01:36:41,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-03-12 01:36:41,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-03-12 01:36:41,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 385 transitions. [2021-03-12 01:36:41,287 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.41487068965517243 [2021-03-12 01:36:41,287 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 385 transitions. [2021-03-12 01:36:41,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 385 transitions. [2021-03-12 01:36:41,287 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:41,287 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 385 transitions. [2021-03-12 01:36:41,288 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 13.275862068965518) internal successors, (385), 29 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:41,289 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 32.0) internal successors, (960), 30 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:41,289 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 32.0) internal successors, (960), 30 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:41,289 INFO L185 Difference]: Start difference. First operand has 213 places, 306 transitions, 7088 flow. Second operand 29 states and 385 transitions. [2021-03-12 01:36:41,289 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 427 transitions, 11185 flow [2021-03-12 01:36:41,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 427 transitions, 10837 flow, removed 168 selfloop flow, removed 6 redundant places. [2021-03-12 01:36:41,395 INFO L241 Difference]: Finished difference. Result has 242 places, 388 transitions, 9523 flow [2021-03-12 01:36:41,395 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=6794, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=9523, PETRI_PLACES=242, PETRI_TRANSITIONS=388} [2021-03-12 01:36:41,395 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 225 predicate places. [2021-03-12 01:36:41,396 INFO L480 AbstractCegarLoop]: Abstraction has has 242 places, 388 transitions, 9523 flow [2021-03-12 01:36:41,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 11.272727272727273) internal successors, (248), 22 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:41,396 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:41,396 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:41,610 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:36:41,610 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:41,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:41,610 INFO L82 PathProgramCache]: Analyzing trace with hash -1477503412, now seen corresponding path program 21 times [2021-03-12 01:36:41,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:41,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482527462] [2021-03-12 01:36:41,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:41,630 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-12 01:36:41,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:41,635 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.0 percent of original size [2021-03-12 01:36:41,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:41,646 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-03-12 01:36:41,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:41,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:41,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-12 01:36:41,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:41,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:41,690 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-03-12 01:36:41,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:36:41,704 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-12 01:36:41,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:41,717 INFO L142 QuantifierPusher]: treesize reduction 13, result has 55.2 percent of original size [2021-03-12 01:36:41,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:41,726 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-03-12 01:36:41,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:41,733 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:41,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482527462] [2021-03-12 01:36:41,734 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754910146] [2021-03-12 01:36:41,734 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 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 [2021-03-12 01:36:41,748 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-03-12 01:36:41,749 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:36:41,749 WARN L261 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-12 01:36:41,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:36:41,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:41,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:41,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:41,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:41,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:41,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:41,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:41,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:41,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:41,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:41,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:41,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:41,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:41,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:41,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:41,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:41,767 INFO L142 QuantifierPusher]: treesize reduction 16, result has 62.8 percent of original size [2021-03-12 01:36:41,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:41,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:41,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:41,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:41,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:41,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:41,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:41,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:41,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:41,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:41,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:41,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:41,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:41,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:41,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:41,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:41,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:41,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:41,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:36:41,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:41,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:41,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:36:41,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:41,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:41,843 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:36:41,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:41,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:41,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:36:41,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:41,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:41,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:36:41,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,848 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:41,848 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:41,848 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:41,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:41,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:41,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:41,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:41,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:41,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:41,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:41,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:41,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:41,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:41,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:41,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:41,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:41,909 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:36:41,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:41,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:41,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:36:41,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:41,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:41,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:36:41,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,912 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:41,912 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:41,912 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:41,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:41,935 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-12 01:36:41,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:36:41,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:41,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:41,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:41,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:41,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 01:36:41,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:41,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:41,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:41,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:41,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:41,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:41,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:41,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:41,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:41,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:41,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:41,955 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:41,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:36:41,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 20 [2021-03-12 01:36:41,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042634778] [2021-03-12 01:36:41,956 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-03-12 01:36:41,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:41,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-03-12 01:36:41,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=359, Unknown=0, NotChecked=0, Total=462 [2021-03-12 01:36:41,956 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:36:41,957 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 388 transitions, 9523 flow. Second operand has 22 states, 22 states have (on average 11.272727272727273) internal successors, (248), 22 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:41,957 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:41,957 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:36:41,957 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:42,848 INFO L129 PetriNetUnfolder]: 615/1296 cut-off events. [2021-03-12 01:36:42,849 INFO L130 PetriNetUnfolder]: For 62111/62111 co-relation queries the response was YES. [2021-03-12 01:36:42,855 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18679 conditions, 1296 events. 615/1296 cut-off events. For 62111/62111 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 7830 event pairs, 43 based on Foata normal form. 2/1297 useless extension candidates. Maximal degree in co-relation 18598. Up to 509 conditions per place. [2021-03-12 01:36:42,861 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 198 selfloop transitions, 363 changer transitions 4/569 dead transitions. [2021-03-12 01:36:42,861 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 569 transitions, 15959 flow [2021-03-12 01:36:42,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 01:36:42,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-03-12 01:36:42,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 397 transitions. [2021-03-12 01:36:42,862 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.41354166666666664 [2021-03-12 01:36:42,862 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 397 transitions. [2021-03-12 01:36:42,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 397 transitions. [2021-03-12 01:36:42,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:42,862 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 397 transitions. [2021-03-12 01:36:42,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 13.233333333333333) internal successors, (397), 30 states have internal predecessors, (397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:42,863 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 32.0) internal successors, (992), 31 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:42,863 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 32.0) internal successors, (992), 31 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:42,863 INFO L185 Difference]: Start difference. First operand has 242 places, 388 transitions, 9523 flow. Second operand 30 states and 397 transitions. [2021-03-12 01:36:42,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 569 transitions, 15959 flow [2021-03-12 01:36:43,053 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 569 transitions, 14494 flow, removed 517 selfloop flow, removed 11 redundant places. [2021-03-12 01:36:43,063 INFO L241 Difference]: Finished difference. Result has 267 places, 525 transitions, 13232 flow [2021-03-12 01:36:43,063 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=8632, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=388, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=249, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=13232, PETRI_PLACES=267, PETRI_TRANSITIONS=525} [2021-03-12 01:36:43,063 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 250 predicate places. [2021-03-12 01:36:43,063 INFO L480 AbstractCegarLoop]: Abstraction has has 267 places, 525 transitions, 13232 flow [2021-03-12 01:36:43,063 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 11.272727272727273) internal successors, (248), 22 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:43,063 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:43,063 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:43,264 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2021-03-12 01:36:43,264 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:43,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:43,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1305235596, now seen corresponding path program 22 times [2021-03-12 01:36:43,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:43,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19455627] [2021-03-12 01:36:43,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:43,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:43,277 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-12 01:36:43,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:43,283 INFO L142 QuantifierPusher]: treesize reduction 8, result has 71.4 percent of original size [2021-03-12 01:36:43,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:43,295 INFO L142 QuantifierPusher]: treesize reduction 7, result has 72.0 percent of original size [2021-03-12 01:36:43,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:43,304 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-12 01:36:43,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:43,313 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size [2021-03-12 01:36:43,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-12 01:36:43,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:36:43,332 INFO L142 QuantifierPusher]: treesize reduction 13, result has 65.8 percent of original size [2021-03-12 01:36:43,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:43,342 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-03-12 01:36:43,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-12 01:36:43,353 INFO L142 QuantifierPusher]: treesize reduction 14, result has 53.3 percent of original size [2021-03-12 01:36:43,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:43,362 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:36:43,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:43,367 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:43,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19455627] [2021-03-12 01:36:43,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1105412307] [2021-03-12 01:36:43,368 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:36:43,380 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 01:36:43,381 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:36:43,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-12 01:36:43,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:36:43,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:43,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:43,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:43,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:43,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:43,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:43,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:43,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:43,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:43,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:43,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:43,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:43,402 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-12 01:36:43,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:43,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:43,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:43,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:43,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:43,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:43,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:43,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:43,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:43,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:43,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:43,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:43,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:43,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:43,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:43,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:43,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:43,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:43,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:43,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:43,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:43,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:43,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:43,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:43,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:43,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:43,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:43,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:43,461 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:36:43,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:43,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:43,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:36:43,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:43,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:43,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:36:43,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,465 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:43,465 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:43,465 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:43,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:43,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:43,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:43,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:43,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:43,491 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:36:43,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:43,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:43,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:36:43,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:43,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:43,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:36:43,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,494 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:43,494 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:43,495 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:43,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:43,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:43,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:43,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:43,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:43,531 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-12 01:36:43,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:43,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:43,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:43,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:43,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:43,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:43,546 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-12 01:36:43,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:43,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:43,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:43,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:43,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:43,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:43,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:43,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:43,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:43,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:43,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:43,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:43,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:43,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:43,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:43,570 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:43,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:36:43,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-03-12 01:36:43,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901104881] [2021-03-12 01:36:43,570 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-03-12 01:36:43,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:43,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-03-12 01:36:43,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2021-03-12 01:36:43,571 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:36:43,571 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 525 transitions, 13232 flow. Second operand has 22 states, 22 states have (on average 11.272727272727273) internal successors, (248), 22 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:43,571 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:43,571 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:36:43,571 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:44,224 INFO L129 PetriNetUnfolder]: 698/1463 cut-off events. [2021-03-12 01:36:44,225 INFO L130 PetriNetUnfolder]: For 68192/68192 co-relation queries the response was YES. [2021-03-12 01:36:44,233 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21009 conditions, 1463 events. 698/1463 cut-off events. For 68192/68192 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 8912 event pairs, 84 based on Foata normal form. 2/1464 useless extension candidates. Maximal degree in co-relation 20920. Up to 688 conditions per place. [2021-03-12 01:36:44,239 INFO L132 encePairwiseOnDemand]: 24/32 looper letters, 326 selfloop transitions, 298 changer transitions 7/635 dead transitions. [2021-03-12 01:36:44,240 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 635 transitions, 17773 flow [2021-03-12 01:36:44,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-12 01:36:44,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-12 01:36:44,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 347 transitions. [2021-03-12 01:36:44,243 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4170673076923077 [2021-03-12 01:36:44,244 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 347 transitions. [2021-03-12 01:36:44,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 347 transitions. [2021-03-12 01:36:44,244 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:44,244 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 347 transitions. [2021-03-12 01:36:44,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 13.346153846153847) internal successors, (347), 26 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:44,245 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 32.0) internal successors, (864), 27 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:44,245 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 32.0) internal successors, (864), 27 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:44,245 INFO L185 Difference]: Start difference. First operand has 267 places, 525 transitions, 13232 flow. Second operand 26 states and 347 transitions. [2021-03-12 01:36:44,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 635 transitions, 17773 flow [2021-03-12 01:36:44,503 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 635 transitions, 16997 flow, removed 374 selfloop flow, removed 10 redundant places. [2021-03-12 01:36:44,514 INFO L241 Difference]: Finished difference. Result has 294 places, 580 transitions, 15340 flow [2021-03-12 01:36:44,515 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=12594, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=525, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=251, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=15340, PETRI_PLACES=294, PETRI_TRANSITIONS=580} [2021-03-12 01:36:44,515 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 277 predicate places. [2021-03-12 01:36:44,515 INFO L480 AbstractCegarLoop]: Abstraction has has 294 places, 580 transitions, 15340 flow [2021-03-12 01:36:44,515 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 11.272727272727273) internal successors, (248), 22 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:44,515 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:44,515 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:44,716 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-03-12 01:36:44,716 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:44,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:44,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1665491316, now seen corresponding path program 23 times [2021-03-12 01:36:44,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:44,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545125935] [2021-03-12 01:36:44,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:44,726 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-12 01:36:44,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:44,731 INFO L142 QuantifierPusher]: treesize reduction 8, result has 71.4 percent of original size [2021-03-12 01:36:44,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:44,742 INFO L142 QuantifierPusher]: treesize reduction 7, result has 72.0 percent of original size [2021-03-12 01:36:44,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:44,750 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-12 01:36:44,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:44,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:36:44,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:36:44,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:44,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:36:44,798 INFO L142 QuantifierPusher]: treesize reduction 14, result has 53.3 percent of original size [2021-03-12 01:36:44,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:44,808 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:36:44,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:44,815 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:44,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545125935] [2021-03-12 01:36:44,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [763017755] [2021-03-12 01:36:44,815 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-12 01:36:44,843 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-03-12 01:36:44,843 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:36:44,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-12 01:36:44,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:36:44,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:44,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:44,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:44,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:44,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:44,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:44,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:44,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:44,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:44,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:44,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:44,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:44,858 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-12 01:36:44,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:44,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:44,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:44,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:44,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:44,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:44,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:44,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:44,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:44,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:44,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:44,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:44,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:44,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:44,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:44,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:44,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:44,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:44,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:44,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:44,911 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-12 01:36:44,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:44,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:44,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:44,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:44,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:44,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:44,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,914 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:44,914 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:44,915 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:36:44,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:36:44,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:44,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:44,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:44,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:44,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:44,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:44,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:44,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:44,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:44,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:44,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:44,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:44,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:44,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:44,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:44,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:44,970 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-12 01:36:44,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:44,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:44,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:44,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:44,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:44,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:44,988 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-12 01:36:44,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:44,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:44,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:36:44,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:44,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:44,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:36:44,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,991 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:44,991 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:44,992 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:36:44,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:44,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:36:45,018 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-12 01:36:45,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:45,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:45,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:45,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:45,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:45,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:45,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:45,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:45,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:45,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:45,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:45,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:45,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:45,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:45,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:45,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:45,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:45,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:45,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:45,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:45,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:45,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:45,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:45,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:45,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:45,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:45,040 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:45,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:36:45,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-03-12 01:36:45,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760875120] [2021-03-12 01:36:45,040 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-03-12 01:36:45,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:45,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-03-12 01:36:45,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=365, Unknown=0, NotChecked=0, Total=462 [2021-03-12 01:36:45,041 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:36:45,041 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 580 transitions, 15340 flow. Second operand has 22 states, 22 states have (on average 11.272727272727273) internal successors, (248), 22 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:45,041 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:45,041 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:36:45,041 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:46,066 INFO L129 PetriNetUnfolder]: 789/1654 cut-off events. [2021-03-12 01:36:46,066 INFO L130 PetriNetUnfolder]: For 85020/85020 co-relation queries the response was YES. [2021-03-12 01:36:46,077 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24945 conditions, 1654 events. 789/1654 cut-off events. For 85020/85020 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 10205 event pairs, 168 based on Foata normal form. 2/1656 useless extension candidates. Maximal degree in co-relation 24843. Up to 1114 conditions per place. [2021-03-12 01:36:46,084 INFO L132 encePairwiseOnDemand]: 24/32 looper letters, 506 selfloop transitions, 191 changer transitions 2/703 dead transitions. [2021-03-12 01:36:46,084 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 703 transitions, 20476 flow [2021-03-12 01:36:46,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 01:36:46,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-03-12 01:36:46,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 367 transitions. [2021-03-12 01:36:46,085 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4095982142857143 [2021-03-12 01:36:46,085 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 367 transitions. [2021-03-12 01:36:46,085 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 367 transitions. [2021-03-12 01:36:46,085 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:46,085 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 367 transitions. [2021-03-12 01:36:46,086 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 13.107142857142858) internal successors, (367), 28 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:46,086 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 32.0) internal successors, (928), 29 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:46,087 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 32.0) internal successors, (928), 29 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:46,087 INFO L185 Difference]: Start difference. First operand has 294 places, 580 transitions, 15340 flow. Second operand 28 states and 367 transitions. [2021-03-12 01:36:46,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 703 transitions, 20476 flow [2021-03-12 01:36:46,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 703 transitions, 20084 flow, removed 176 selfloop flow, removed 12 redundant places. [2021-03-12 01:36:46,460 INFO L241 Difference]: Finished difference. Result has 318 places, 634 transitions, 17332 flow [2021-03-12 01:36:46,460 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=14952, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=580, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=17332, PETRI_PLACES=318, PETRI_TRANSITIONS=634} [2021-03-12 01:36:46,460 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 301 predicate places. [2021-03-12 01:36:46,460 INFO L480 AbstractCegarLoop]: Abstraction has has 318 places, 634 transitions, 17332 flow [2021-03-12 01:36:46,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 11.272727272727273) internal successors, (248), 22 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:46,460 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:46,460 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:46,660 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:36:46,661 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:46,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:46,661 INFO L82 PathProgramCache]: Analyzing trace with hash 731445124, now seen corresponding path program 24 times [2021-03-12 01:36:46,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:46,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755279868] [2021-03-12 01:36:46,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:46,669 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:36:46,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:46,677 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-12 01:36:46,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:46,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:46,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:46,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:46,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:46,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:36:46,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:46,740 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-12 01:36:46,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:46,751 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:36:46,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:46,762 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:36:46,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:46,769 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:46,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755279868] [2021-03-12 01:36:46,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1283794443] [2021-03-12 01:36:46,770 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-12 01:36:46,783 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-03-12 01:36:46,783 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:36:46,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 20 conjunts are in the unsatisfiable core [2021-03-12 01:36:46,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:36:46,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:46,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:46,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:46,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:46,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:46,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:46,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:46,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:46,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:46,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:46,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:46,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:46,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:46,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:46,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:46,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:46,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:46,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:46,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:46,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:46,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:46,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:46,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:46,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:46,826 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-12 01:36:46,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:46,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:46,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-12 01:36:46,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:46,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:46,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-12 01:36:46,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,829 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:46,829 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:46,830 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:36:46,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:36:46,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:46,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:46,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:46,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:46,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:46,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:46,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:46,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:46,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:46,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:46,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:46,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:46,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:46,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:46,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:46,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:46,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:46,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:46,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:46,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:46,898 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:36:46,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:46,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:46,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:36:46,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:46,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:46,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:36:46,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,902 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:46,902 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:46,902 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:46,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:46,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:46,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:46,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:46,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:46,938 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:36:46,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:46,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:46,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:36:46,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:46,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:46,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:36:46,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,941 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:46,941 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:46,943 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:46,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:46,968 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-12 01:36:46,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:36:46,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:46,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:46,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:46,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:46,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 01:36:46,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:46,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:46,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:46,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:46,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:46,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:46,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:46,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:46,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:46,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:46,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:46,989 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:46,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:36:46,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 20 [2021-03-12 01:36:46,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466757209] [2021-03-12 01:36:46,990 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-03-12 01:36:46,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:46,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-03-12 01:36:46,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=389, Unknown=0, NotChecked=0, Total=462 [2021-03-12 01:36:46,990 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:36:46,990 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 634 transitions, 17332 flow. Second operand has 22 states, 22 states have (on average 11.272727272727273) internal successors, (248), 22 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:46,990 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:46,991 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:36:46,991 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:47,985 INFO L129 PetriNetUnfolder]: 816/1717 cut-off events. [2021-03-12 01:36:47,985 INFO L130 PetriNetUnfolder]: For 103908/103908 co-relation queries the response was YES. [2021-03-12 01:36:47,996 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27274 conditions, 1717 events. 816/1717 cut-off events. For 103908/103908 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 10754 event pairs, 238 based on Foata normal form. 2/1719 useless extension candidates. Maximal degree in co-relation 27163. Up to 1531 conditions per place. [2021-03-12 01:36:48,003 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 590 selfloop transitions, 99 changer transitions 4/697 dead transitions. [2021-03-12 01:36:48,003 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 697 transitions, 20823 flow [2021-03-12 01:36:48,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-12 01:36:48,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-12 01:36:48,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 343 transitions. [2021-03-12 01:36:48,004 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.41225961538461536 [2021-03-12 01:36:48,004 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 343 transitions. [2021-03-12 01:36:48,004 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 343 transitions. [2021-03-12 01:36:48,005 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:48,005 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 343 transitions. [2021-03-12 01:36:48,005 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 13.192307692307692) internal successors, (343), 26 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:48,006 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 32.0) internal successors, (864), 27 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:48,006 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 32.0) internal successors, (864), 27 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:48,006 INFO L185 Difference]: Start difference. First operand has 318 places, 634 transitions, 17332 flow. Second operand 26 states and 343 transitions. [2021-03-12 01:36:48,006 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 697 transitions, 20823 flow [2021-03-12 01:36:48,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 327 places, 697 transitions, 20381 flow, removed 197 selfloop flow, removed 14 redundant places. [2021-03-12 01:36:48,535 INFO L241 Difference]: Finished difference. Result has 334 places, 669 transitions, 18317 flow [2021-03-12 01:36:48,535 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=16900, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=634, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=552, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=18317, PETRI_PLACES=334, PETRI_TRANSITIONS=669} [2021-03-12 01:36:48,535 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 317 predicate places. [2021-03-12 01:36:48,536 INFO L480 AbstractCegarLoop]: Abstraction has has 334 places, 669 transitions, 18317 flow [2021-03-12 01:36:48,536 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 11.272727272727273) internal successors, (248), 22 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:48,536 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:48,536 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:48,736 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2021-03-12 01:36:48,736 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:48,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:48,736 INFO L82 PathProgramCache]: Analyzing trace with hash 410297060, now seen corresponding path program 25 times [2021-03-12 01:36:48,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:48,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452843487] [2021-03-12 01:36:48,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:48,747 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:36:48,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:48,755 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-12 01:36:48,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:48,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:48,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:48,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:48,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:48,790 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-12 01:36:48,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:48,804 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-03-12 01:36:48,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:48,814 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-12 01:36:48,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:48,822 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-12 01:36:48,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:48,832 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:36:48,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:48,843 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:36:48,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:48,851 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:48,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452843487] [2021-03-12 01:36:48,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595020942] [2021-03-12 01:36:48,852 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-12 01:36:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:48,865 WARN L261 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-12 01:36:48,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:36:48,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:48,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:48,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:48,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:48,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:48,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:48,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:48,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:48,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:48,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:48,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:48,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:48,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:48,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:48,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:48,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:48,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:48,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:48,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:48,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:48,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:48,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:48,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:48,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:48,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:48,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:48,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:48,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:48,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:48,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:48,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:48,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:48,952 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:36:48,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:48,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:48,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:36:48,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:48,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:48,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:36:48,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,955 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:48,955 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:48,956 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-12 01:36:48,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-12 01:36:48,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:48,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:48,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:48,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:48,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:49,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:49,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:49,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:49,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:49,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:49,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:49,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:49,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:49,015 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:36:49,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:49,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:49,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:49,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:36:49,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:49,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:49,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:49,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:49,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:36:49,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:49,019 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:49,019 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:49,020 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:49,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:49,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:49,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:49,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:49,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:49,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:49,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:49,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:49,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:49,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:49,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:49,062 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-12 01:36:49,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:49,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:49,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:49,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:49,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:49,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:49,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:49,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:49,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:49,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:49,081 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-12 01:36:49,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:49,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:49,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:49,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:36:49,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:49,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:49,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:49,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:49,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:36:49,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:49,085 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:49,085 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:49,085 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:49,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:36:49,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:49,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:36:49,113 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-12 01:36:49,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:49,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:49,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:49,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:49,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:49,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:49,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:49,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:49,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:49,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:49,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:49,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:49,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:49,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:49,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:49,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:49,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:49,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:49,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:49,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:49,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:49,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:49,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:49,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:49,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:49,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:49,135 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:49,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:36:49,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 21 [2021-03-12 01:36:49,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608164347] [2021-03-12 01:36:49,136 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-12 01:36:49,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:49,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-12 01:36:49,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=425, Unknown=0, NotChecked=0, Total=506 [2021-03-12 01:36:49,136 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:36:49,137 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 334 places, 669 transitions, 18317 flow. Second operand has 23 states, 23 states have (on average 11.217391304347826) internal successors, (258), 23 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:49,137 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:49,137 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:36:49,137 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:50,137 INFO L129 PetriNetUnfolder]: 839/1770 cut-off events. [2021-03-12 01:36:50,137 INFO L130 PetriNetUnfolder]: For 122620/122620 co-relation queries the response was YES. [2021-03-12 01:36:50,150 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28312 conditions, 1770 events. 839/1770 cut-off events. For 122620/122620 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 11379 event pairs, 71 based on Foata normal form. 2/1772 useless extension candidates. Maximal degree in co-relation 28195. Up to 1073 conditions per place. [2021-03-12 01:36:50,157 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 287 selfloop transitions, 427 changer transitions 2/720 dead transitions. [2021-03-12 01:36:50,157 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 720 transitions, 21402 flow [2021-03-12 01:36:50,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-12 01:36:50,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-03-12 01:36:50,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 350 transitions. [2021-03-12 01:36:50,158 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4050925925925926 [2021-03-12 01:36:50,158 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 350 transitions. [2021-03-12 01:36:50,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 350 transitions. [2021-03-12 01:36:50,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:50,159 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 350 transitions. [2021-03-12 01:36:50,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 12.962962962962964) internal successors, (350), 27 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:50,160 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 32.0) internal successors, (896), 28 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:50,160 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 32.0) internal successors, (896), 28 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:50,160 INFO L185 Difference]: Start difference. First operand has 334 places, 669 transitions, 18317 flow. Second operand 27 states and 350 transitions. [2021-03-12 01:36:50,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 720 transitions, 21402 flow [2021-03-12 01:36:50,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 720 transitions, 21033 flow, removed 162 selfloop flow, removed 9 redundant places. [2021-03-12 01:36:50,683 INFO L241 Difference]: Finished difference. Result has 354 places, 694 transitions, 19829 flow [2021-03-12 01:36:50,683 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=17948, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=669, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=407, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=256, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=19829, PETRI_PLACES=354, PETRI_TRANSITIONS=694} [2021-03-12 01:36:50,683 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 337 predicate places. [2021-03-12 01:36:50,683 INFO L480 AbstractCegarLoop]: Abstraction has has 354 places, 694 transitions, 19829 flow [2021-03-12 01:36:50,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 11.217391304347826) internal successors, (258), 23 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:50,684 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:50,684 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:50,897 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:36:50,898 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:50,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:50,898 INFO L82 PathProgramCache]: Analyzing trace with hash 234423592, now seen corresponding path program 26 times [2021-03-12 01:36:50,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:50,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922741267] [2021-03-12 01:36:50,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:50,906 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:36:50,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:50,914 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-12 01:36:50,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:50,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:50,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:50,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:50,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:50,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:50,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:50,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:50,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:50,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:50,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:50,968 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-12 01:36:50,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:50,984 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-12 01:36:50,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:50,996 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:36:50,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:51,007 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:36:51,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:51,017 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:51,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922741267] [2021-03-12 01:36:51,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [86612497] [2021-03-12 01:36:51,018 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:36:51,032 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 01:36:51,032 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:36:51,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 20 conjunts are in the unsatisfiable core [2021-03-12 01:36:51,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:36:51,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:51,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:51,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:51,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:51,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:51,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:51,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:51,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:51,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:51,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:51,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:51,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:51,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:51,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:51,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:51,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:51,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:51,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:51,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:51,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:51,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:51,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:51,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:51,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:51,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:51,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:51,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:51,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:51,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:51,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:51,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:51,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:51,101 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:36:51,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:51,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:51,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:36:51,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:51,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:51,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:36:51,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,106 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:51,106 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:51,107 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-12 01:36:51,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-12 01:36:51,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:51,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:51,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:51,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:51,134 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:36:51,135 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:51,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:51,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:36:51,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:51,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:51,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:36:51,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,139 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:51,139 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:51,139 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:51,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:51,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:51,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:51,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:51,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:51,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:51,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:51,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:51,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:51,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:51,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:51,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:51,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:51,203 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:36:51,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:51,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:51,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:36:51,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:51,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:51,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:36:51,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,209 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:51,209 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:51,210 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:51,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:51,240 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-12 01:36:51,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:36:51,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:51,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:51,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:51,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:51,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 01:36:51,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:51,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:51,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:51,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:51,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:51,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:51,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:51,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:51,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:51,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:51,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:51,265 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:51,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:36:51,265 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 20 [2021-03-12 01:36:51,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539645962] [2021-03-12 01:36:51,265 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-03-12 01:36:51,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:51,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-03-12 01:36:51,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=385, Unknown=0, NotChecked=0, Total=462 [2021-03-12 01:36:51,266 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:36:51,266 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 694 transitions, 19829 flow. Second operand has 22 states, 22 states have (on average 11.272727272727273) internal successors, (248), 22 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:51,266 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:51,266 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:36:51,266 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:52,192 INFO L129 PetriNetUnfolder]: 882/1869 cut-off events. [2021-03-12 01:36:52,192 INFO L130 PetriNetUnfolder]: For 133576/133576 co-relation queries the response was YES. [2021-03-12 01:36:52,207 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30915 conditions, 1869 events. 882/1869 cut-off events. For 133576/133576 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 12176 event pairs, 105 based on Foata normal form. 2/1871 useless extension candidates. Maximal degree in co-relation 30795. Up to 1260 conditions per place. [2021-03-12 01:36:52,215 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 377 selfloop transitions, 383 changer transitions 4/768 dead transitions. [2021-03-12 01:36:52,215 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 768 transitions, 23859 flow [2021-03-12 01:36:52,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 01:36:52,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-03-12 01:36:52,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 327 transitions. [2021-03-12 01:36:52,216 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.40875 [2021-03-12 01:36:52,216 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 327 transitions. [2021-03-12 01:36:52,216 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 327 transitions. [2021-03-12 01:36:52,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:52,216 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 327 transitions. [2021-03-12 01:36:52,217 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 13.08) internal successors, (327), 25 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:52,217 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 32.0) internal successors, (832), 26 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:52,217 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 32.0) internal successors, (832), 26 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:52,217 INFO L185 Difference]: Start difference. First operand has 354 places, 694 transitions, 19829 flow. Second operand 25 states and 327 transitions. [2021-03-12 01:36:52,217 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 768 transitions, 23859 flow [2021-03-12 01:36:52,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 358 places, 768 transitions, 23102 flow, removed 185 selfloop flow, removed 18 redundant places. [2021-03-12 01:36:52,908 INFO L241 Difference]: Finished difference. Result has 365 places, 741 transitions, 21584 flow [2021-03-12 01:36:52,908 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=19113, PETRI_DIFFERENCE_MINUEND_PLACES=334, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=694, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=345, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=21584, PETRI_PLACES=365, PETRI_TRANSITIONS=741} [2021-03-12 01:36:52,908 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 348 predicate places. [2021-03-12 01:36:52,908 INFO L480 AbstractCegarLoop]: Abstraction has has 365 places, 741 transitions, 21584 flow [2021-03-12 01:36:52,908 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 11.272727272727273) internal successors, (248), 22 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:52,908 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:52,909 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:53,123 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable61 [2021-03-12 01:36:53,123 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:53,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:53,123 INFO L82 PathProgramCache]: Analyzing trace with hash -32993020, now seen corresponding path program 27 times [2021-03-12 01:36:53,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:53,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603597156] [2021-03-12 01:36:53,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:53,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:53,132 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:36:53,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:53,140 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-12 01:36:53,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:53,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:53,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:53,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:53,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:53,179 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-12 01:36:53,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:53,196 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-03-12 01:36:53,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:53,209 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-12 01:36:53,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:53,217 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-03-12 01:36:53,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:53,232 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:36:53,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:53,243 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:36:53,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:53,252 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:53,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603597156] [2021-03-12 01:36:53,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658094761] [2021-03-12 01:36:53,252 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:36:53,266 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-03-12 01:36:53,266 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:36:53,266 WARN L261 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-12 01:36:53,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:36:53,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:53,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:53,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:53,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:53,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:53,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:53,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:53,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:53,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:53,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:53,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:53,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:53,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:53,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:53,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:53,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:53,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:53,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:53,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:53,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:53,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:53,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:53,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:53,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:53,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:53,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:53,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:53,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:53,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:53,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:53,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:53,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:53,327 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:36:53,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:53,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:53,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:36:53,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:53,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:53,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:36:53,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,330 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:53,330 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:53,331 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-12 01:36:53,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-12 01:36:53,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:53,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:53,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:53,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:53,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:53,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:53,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:53,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:53,384 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:36:53,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:53,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:53,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:36:53,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,385 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:53,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:53,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:36:53,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,387 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:53,387 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:53,387 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:53,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:53,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:53,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:53,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:53,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:53,440 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:36:53,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:53,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:53,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:36:53,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:53,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:53,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:36:53,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,443 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:53,443 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:53,444 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:53,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:53,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:53,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:53,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:53,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:53,474 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-12 01:36:53,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:36:53,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:53,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:53,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:53,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:53,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 01:36:53,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:53,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:53,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:53,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:53,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:53,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:53,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:53,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:53,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:53,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:53,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:53,495 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:53,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:36:53,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 20 [2021-03-12 01:36:53,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635206655] [2021-03-12 01:36:53,496 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-03-12 01:36:53,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:53,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-03-12 01:36:53,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=375, Unknown=0, NotChecked=0, Total=462 [2021-03-12 01:36:53,496 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:36:53,496 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 365 places, 741 transitions, 21584 flow. Second operand has 22 states, 22 states have (on average 11.272727272727273) internal successors, (248), 22 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:53,496 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:53,496 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:36:53,496 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:54,665 INFO L129 PetriNetUnfolder]: 903/1912 cut-off events. [2021-03-12 01:36:54,665 INFO L130 PetriNetUnfolder]: For 146129/146129 co-relation queries the response was YES. [2021-03-12 01:36:54,680 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32129 conditions, 1912 events. 903/1912 cut-off events. For 146129/146129 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 12622 event pairs, 77 based on Foata normal form. 2/1914 useless extension candidates. Maximal degree in co-relation 32006. Up to 1088 conditions per place. [2021-03-12 01:36:54,688 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 292 selfloop transitions, 491 changer transitions 6/793 dead transitions. [2021-03-12 01:36:54,688 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 392 places, 793 transitions, 25087 flow [2021-03-12 01:36:54,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 01:36:54,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-03-12 01:36:54,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 397 transitions. [2021-03-12 01:36:54,689 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.41354166666666664 [2021-03-12 01:36:54,689 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 397 transitions. [2021-03-12 01:36:54,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 397 transitions. [2021-03-12 01:36:54,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:54,689 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 397 transitions. [2021-03-12 01:36:54,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 13.233333333333333) internal successors, (397), 30 states have internal predecessors, (397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:54,691 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 32.0) internal successors, (992), 31 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:54,691 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 32.0) internal successors, (992), 31 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:54,691 INFO L185 Difference]: Start difference. First operand has 365 places, 741 transitions, 21584 flow. Second operand 30 states and 397 transitions. [2021-03-12 01:36:54,691 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 392 places, 793 transitions, 25087 flow [2021-03-12 01:36:55,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 793 transitions, 24549 flow, removed 248 selfloop flow, removed 8 redundant places. [2021-03-12 01:36:55,395 INFO L241 Difference]: Finished difference. Result has 390 places, 760 transitions, 22915 flow [2021-03-12 01:36:55,396 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=21046, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=741, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=475, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=262, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=22915, PETRI_PLACES=390, PETRI_TRANSITIONS=760} [2021-03-12 01:36:55,397 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 373 predicate places. [2021-03-12 01:36:55,398 INFO L480 AbstractCegarLoop]: Abstraction has has 390 places, 760 transitions, 22915 flow [2021-03-12 01:36:55,398 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 11.272727272727273) internal successors, (248), 22 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:55,398 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:55,398 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:55,611 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:36:55,611 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:55,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:55,611 INFO L82 PathProgramCache]: Analyzing trace with hash 680334988, now seen corresponding path program 28 times [2021-03-12 01:36:55,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:55,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952515308] [2021-03-12 01:36:55,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:55,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:55,623 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:36:55,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:55,630 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-12 01:36:55,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:55,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:55,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:55,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:55,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:55,668 INFO L142 QuantifierPusher]: treesize reduction 13, result has 62.9 percent of original size [2021-03-12 01:36:55,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:36:55,678 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-12 01:36:55,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:55,689 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:36:55,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:55,699 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:36:55,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:55,707 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:55,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952515308] [2021-03-12 01:36:55,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251370758] [2021-03-12 01:36:55,707 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-12 01:36:55,720 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 01:36:55,720 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:36:55,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-12 01:36:55,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:36:55,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:55,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:55,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:55,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:55,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:55,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:55,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:55,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:55,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:55,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:55,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:55,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:55,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:55,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:55,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:55,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:55,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:55,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:55,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:55,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:55,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:55,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:55,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:55,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:55,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:55,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:55,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:55,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:55,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:36:55,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:55,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:55,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:55,780 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:36:55,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:55,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:55,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:36:55,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:55,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:55,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:36:55,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,783 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:55,783 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:55,783 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-12 01:36:55,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-12 01:36:55,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:55,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:55,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:55,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:55,817 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:36:55,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:55,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:55,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:36:55,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,819 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:55,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:55,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:36:55,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,820 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:55,821 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:55,821 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:55,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:55,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:55,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:55,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:55,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:55,847 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:36:55,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:55,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:55,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:36:55,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:55,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:55,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:36:55,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,850 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:55,850 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:55,850 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:55,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:55,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:55,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:55,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:55,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:55,891 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-12 01:36:55,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:55,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:55,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:55,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:55,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:55,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:55,908 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-12 01:36:55,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:55,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:55,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:55,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:55,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:55,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:55,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:55,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:55,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:55,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:55,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:55,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:55,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:55,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:55,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:55,930 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:55,930 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:36:55,930 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-03-12 01:36:55,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328651748] [2021-03-12 01:36:55,930 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-03-12 01:36:55,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:55,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-03-12 01:36:55,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=380, Unknown=0, NotChecked=0, Total=462 [2021-03-12 01:36:55,931 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:36:55,931 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 760 transitions, 22915 flow. Second operand has 22 states, 22 states have (on average 11.272727272727273) internal successors, (248), 22 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:55,931 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:55,931 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:36:55,931 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:56,884 INFO L129 PetriNetUnfolder]: 927/1959 cut-off events. [2021-03-12 01:36:56,884 INFO L130 PetriNetUnfolder]: For 140503/140503 co-relation queries the response was YES. [2021-03-12 01:36:56,899 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33855 conditions, 1959 events. 927/1959 cut-off events. For 140503/140503 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 12857 event pairs, 250 based on Foata normal form. 2/1961 useless extension candidates. Maximal degree in co-relation 33727. Up to 1676 conditions per place. [2021-03-12 01:36:56,907 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 646 selfloop transitions, 153 changer transitions 6/809 dead transitions. [2021-03-12 01:36:56,907 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 809 transitions, 26480 flow [2021-03-12 01:36:56,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-12 01:36:56,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-03-12 01:36:56,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 290 transitions. [2021-03-12 01:36:56,908 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4119318181818182 [2021-03-12 01:36:56,908 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 290 transitions. [2021-03-12 01:36:56,909 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 290 transitions. [2021-03-12 01:36:56,909 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:56,909 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 290 transitions. [2021-03-12 01:36:56,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 13.181818181818182) internal successors, (290), 22 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:56,910 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 32.0) internal successors, (736), 23 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:56,910 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 32.0) internal successors, (736), 23 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:56,910 INFO L185 Difference]: Start difference. First operand has 390 places, 760 transitions, 22915 flow. Second operand 22 states and 290 transitions. [2021-03-12 01:36:56,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 809 transitions, 26480 flow [2021-03-12 01:36:57,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 809 transitions, 25428 flow, removed 214 selfloop flow, removed 22 redundant places. [2021-03-12 01:36:57,677 INFO L241 Difference]: Finished difference. Result has 394 places, 782 transitions, 23319 flow [2021-03-12 01:36:57,677 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=21903, PETRI_DIFFERENCE_MINUEND_PLACES=366, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=760, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=616, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=23319, PETRI_PLACES=394, PETRI_TRANSITIONS=782} [2021-03-12 01:36:57,677 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 377 predicate places. [2021-03-12 01:36:57,677 INFO L480 AbstractCegarLoop]: Abstraction has has 394 places, 782 transitions, 23319 flow [2021-03-12 01:36:57,678 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 11.272727272727273) internal successors, (248), 22 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:57,678 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:36:57,678 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:36:57,891 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2021-03-12 01:36:57,891 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:36:57,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:36:57,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1673029916, now seen corresponding path program 29 times [2021-03-12 01:36:57,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:36:57,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701933240] [2021-03-12 01:36:57,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:36:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:36:57,901 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:36:57,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:57,909 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-12 01:36:57,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:57,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:57,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:57,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:57,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:57,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:57,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:57,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:57,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:57,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:57,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:36:57,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:57,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:57,968 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:36:57,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:57,979 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:36:57,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:36:57,987 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:57,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701933240] [2021-03-12 01:36:57,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481680857] [2021-03-12 01:36:57,987 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-12 01:36:58,001 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-03-12 01:36:58,001 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:36:58,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-12 01:36:58,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:36:58,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:58,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:58,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:58,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:58,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:58,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:58,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:58,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:58,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:58,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:58,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:58,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:58,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:58,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:58,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:58,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:36:58,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:58,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:58,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:58,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:36:58,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:58,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:58,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:58,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:36:58,045 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-12 01:36:58,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:58,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:58,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-12 01:36:58,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:58,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:58,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-12 01:36:58,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,049 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:58,049 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:58,049 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:36:58,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:36:58,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:58,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:58,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:58,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:58,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:58,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:36:58,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:58,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:58,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:58,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:58,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:58,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:36:58,090 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:36:58,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:58,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:58,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:36:58,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:58,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:36:58,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:36:58,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,093 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:58,093 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:58,093 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:58,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:36:58,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:58,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:58,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:58,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:58,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:58,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:58,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:58,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:36:58,136 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-12 01:36:58,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:58,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:58,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:58,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:58,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:58,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:58,154 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-12 01:36:58,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:58,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:58,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:36:58,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:58,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:36:58,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:36:58,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,158 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:36:58,158 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:36:58,158 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:36:58,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:36:58,198 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-12 01:36:58,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:36:58,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:36:58,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:36:58,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:36:58,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:58,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:58,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:58,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:58,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:58,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:58,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:58,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:58,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:58,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:36:58,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:36:58,222 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:36:58,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:36:58,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-03-12 01:36:58,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478328679] [2021-03-12 01:36:58,223 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-03-12 01:36:58,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:36:58,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-03-12 01:36:58,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2021-03-12 01:36:58,223 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:36:58,224 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 782 transitions, 23319 flow. Second operand has 22 states, 22 states have (on average 11.272727272727273) internal successors, (248), 22 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:58,224 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:36:58,224 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:36:58,224 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:36:59,513 INFO L129 PetriNetUnfolder]: 1089/2308 cut-off events. [2021-03-12 01:36:59,513 INFO L130 PetriNetUnfolder]: For 166944/166944 co-relation queries the response was YES. [2021-03-12 01:36:59,533 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40241 conditions, 2308 events. 1089/2308 cut-off events. For 166944/166944 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 15712 event pairs, 268 based on Foata normal form. 2/2310 useless extension candidates. Maximal degree in co-relation 40108. Up to 1593 conditions per place. [2021-03-12 01:36:59,545 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 621 selfloop transitions, 334 changer transitions 2/961 dead transitions. [2021-03-12 01:36:59,545 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 418 places, 961 transitions, 31021 flow [2021-03-12 01:36:59,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-12 01:36:59,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-03-12 01:36:59,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 349 transitions. [2021-03-12 01:36:59,546 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4039351851851852 [2021-03-12 01:36:59,546 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 349 transitions. [2021-03-12 01:36:59,546 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 349 transitions. [2021-03-12 01:36:59,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:36:59,546 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 349 transitions. [2021-03-12 01:36:59,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 12.925925925925926) internal successors, (349), 27 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:59,547 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 32.0) internal successors, (896), 28 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:59,547 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 32.0) internal successors, (896), 28 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:36:59,547 INFO L185 Difference]: Start difference. First operand has 394 places, 782 transitions, 23319 flow. Second operand 27 states and 349 transitions. [2021-03-12 01:36:59,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 418 places, 961 transitions, 31021 flow [2021-03-12 01:37:00,541 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 405 places, 961 transitions, 30584 flow, removed 183 selfloop flow, removed 13 redundant places. [2021-03-12 01:37:00,560 INFO L241 Difference]: Finished difference. Result has 417 places, 933 transitions, 28966 flow [2021-03-12 01:37:00,560 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=22882, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=782, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=224, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=539, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=28966, PETRI_PLACES=417, PETRI_TRANSITIONS=933} [2021-03-12 01:37:00,560 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 400 predicate places. [2021-03-12 01:37:00,561 INFO L480 AbstractCegarLoop]: Abstraction has has 417 places, 933 transitions, 28966 flow [2021-03-12 01:37:00,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 11.272727272727273) internal successors, (248), 22 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:00,561 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:37:00,561 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:37:00,764 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:37:00,765 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:37:00,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:37:00,765 INFO L82 PathProgramCache]: Analyzing trace with hash 389882456, now seen corresponding path program 30 times [2021-03-12 01:37:00,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:37:00,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254149311] [2021-03-12 01:37:00,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:37:00,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:37:00,773 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:37:00,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:00,781 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-12 01:37:00,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:37:00,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:00,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:00,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:37:00,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:00,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:37:00,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:00,838 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:37:00,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:00,849 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:37:00,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:37:00,857 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:37:00,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254149311] [2021-03-12 01:37:00,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [330792003] [2021-03-12 01:37:00,857 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:37:00,871 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-03-12 01:37:00,871 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:37:00,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-12 01:37:00,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:37:00,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:00,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:00,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:00,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:00,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:00,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:00,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:00,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:00,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:00,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:00,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:00,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:00,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:00,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:00,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:00,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:00,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:00,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:00,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:00,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:00,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:00,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:00,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:00,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:00,913 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-12 01:37:00,913 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:00,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:37:00,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-12 01:37:00,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:00,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:37:00,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-12 01:37:00,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,916 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:37:00,916 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:37:00,917 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:37:00,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:37:00,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:00,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:00,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:00,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:00,940 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-12 01:37:00,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:00,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:00,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:00,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:00,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:00,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:00,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,943 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:37:00,943 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:37:00,944 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:37:00,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:37:00,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:00,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:37:00,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:00,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,967 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:00,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:37:00,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:00,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:00,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:00,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:00,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:00,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:00,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:00,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:00,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:00,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:00,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:00,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:01,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:01,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:01,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:01,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:01,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:01,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:01,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:01,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:01,007 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:37:01,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:01,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:01,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:01,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:37:01,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:01,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:01,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:01,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:01,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:37:01,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:01,010 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:37:01,010 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:37:01,011 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:01,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:01,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:01,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:01,039 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-12 01:37:01,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:37:01,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:01,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:01,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:01,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:37:01,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:01,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:01,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:37:01,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 01:37:01,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:01,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:01,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:01,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:01,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:01,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:01,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:01,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:01,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:01,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:01,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:01,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:01,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:01,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:01,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:01,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:01,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:01,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:01,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:01,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:01,062 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:37:01,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:37:01,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 19 [2021-03-12 01:37:01,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97830405] [2021-03-12 01:37:01,063 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-12 01:37:01,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:37:01,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-12 01:37:01,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=349, Unknown=0, NotChecked=0, Total=420 [2021-03-12 01:37:01,063 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:37:01,063 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 933 transitions, 28966 flow. Second operand has 21 states, 21 states have (on average 11.333333333333334) internal successors, (238), 21 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:01,063 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:37:01,063 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:37:01,063 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:37:02,930 INFO L129 PetriNetUnfolder]: 1241/2642 cut-off events. [2021-03-12 01:37:02,930 INFO L130 PetriNetUnfolder]: For 210361/210361 co-relation queries the response was YES. [2021-03-12 01:37:02,959 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47655 conditions, 2642 events. 1241/2642 cut-off events. For 210361/210361 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 18667 event pairs, 315 based on Foata normal form. 2/2644 useless extension candidates. Maximal degree in co-relation 47511. Up to 2053 conditions per place. [2021-03-12 01:37:02,976 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 794 selfloop transitions, 299 changer transitions 4/1101 dead transitions. [2021-03-12 01:37:02,976 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 1101 transitions, 37062 flow [2021-03-12 01:37:02,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 01:37:02,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-03-12 01:37:02,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 399 transitions. [2021-03-12 01:37:02,977 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.415625 [2021-03-12 01:37:02,977 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 399 transitions. [2021-03-12 01:37:02,977 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 399 transitions. [2021-03-12 01:37:02,977 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:37:02,977 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 399 transitions. [2021-03-12 01:37:02,978 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 13.3) internal successors, (399), 30 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:02,978 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 32.0) internal successors, (992), 31 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:02,979 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 32.0) internal successors, (992), 31 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:02,979 INFO L185 Difference]: Start difference. First operand has 417 places, 933 transitions, 28966 flow. Second operand 30 states and 399 transitions. [2021-03-12 01:37:02,979 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 1101 transitions, 37062 flow [2021-03-12 01:37:04,402 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 431 places, 1101 transitions, 36153 flow, removed 411 selfloop flow, removed 13 redundant places. [2021-03-12 01:37:04,425 INFO L241 Difference]: Finished difference. Result has 447 places, 1064 transitions, 33873 flow [2021-03-12 01:37:04,425 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=28063, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=933, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=197, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=676, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=33873, PETRI_PLACES=447, PETRI_TRANSITIONS=1064} [2021-03-12 01:37:04,425 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 430 predicate places. [2021-03-12 01:37:04,425 INFO L480 AbstractCegarLoop]: Abstraction has has 447 places, 1064 transitions, 33873 flow [2021-03-12 01:37:04,425 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.333333333333334) internal successors, (238), 21 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:04,425 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:37:04,425 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:37:04,626 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable77 [2021-03-12 01:37:04,626 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:37:04,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:37:04,626 INFO L82 PathProgramCache]: Analyzing trace with hash -517741524, now seen corresponding path program 31 times [2021-03-12 01:37:04,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:37:04,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723470572] [2021-03-12 01:37:04,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:37:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:37:04,635 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:37:04,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:04,642 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-12 01:37:04,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:37:04,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:04,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:04,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:04,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:04,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:04,698 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-12 01:37:04,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:37:04,712 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-03-12 01:37:04,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:37:04,725 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:37:04,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:04,736 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:37:04,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:37:04,745 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:37:04,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723470572] [2021-03-12 01:37:04,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1946380991] [2021-03-12 01:37:04,745 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-12 01:37:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:37:04,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 20 conjunts are in the unsatisfiable core [2021-03-12 01:37:04,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:37:04,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:04,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:04,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:04,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:04,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:04,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:04,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:04,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:04,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:04,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:04,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:04,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:04,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:04,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:04,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:04,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:04,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:04,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:04,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:04,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:04,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:04,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:04,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:04,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:04,804 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-12 01:37:04,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:04,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:37:04,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-12 01:37:04,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:04,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:37:04,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-12 01:37:04,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,807 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:37:04,807 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:37:04,808 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:37:04,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:37:04,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:04,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:37:04,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:37:04,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:04,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:37:04,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:37:04,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:04,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:04,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:04,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:04,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:04,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:04,864 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:37:04,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:04,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:37:04,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:37:04,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:04,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:37:04,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:37:04,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,867 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:37:04,867 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:37:04,867 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:04,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:04,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:04,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:04,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:04,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:04,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:37:04,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:37:04,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:37:04,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:37:04,919 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:37:04,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:04,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:04,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:37:04,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:04,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:04,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:37:04,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,922 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:37:04,922 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:37:04,922 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:04,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:04,948 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-12 01:37:04,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:37:04,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:04,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:37:04,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:37:04,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:04,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:04,965 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-12 01:37:04,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:37:04,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:04,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:37:04,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:37:04,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:04,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:04,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:04,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:04,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:04,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:04,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:04,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:04,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:04,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:04,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:04,986 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:37:04,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:37:04,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 21 [2021-03-12 01:37:04,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779253136] [2021-03-12 01:37:04,987 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-12 01:37:04,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:37:04,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-12 01:37:04,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=419, Unknown=0, NotChecked=0, Total=506 [2021-03-12 01:37:04,987 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:37:04,987 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 447 places, 1064 transitions, 33873 flow. Second operand has 23 states, 23 states have (on average 11.217391304347826) internal successors, (258), 23 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:04,988 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:37:04,988 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:37:04,988 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:37:06,904 INFO L129 PetriNetUnfolder]: 1286/2733 cut-off events. [2021-03-12 01:37:06,904 INFO L130 PetriNetUnfolder]: For 240350/240350 co-relation queries the response was YES. [2021-03-12 01:37:06,931 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49483 conditions, 2733 events. 1286/2733 cut-off events. For 240350/240350 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 19602 event pairs, 111 based on Foata normal form. 2/2735 useless extension candidates. Maximal degree in co-relation 49325. Up to 1367 conditions per place. [2021-03-12 01:37:06,944 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 373 selfloop transitions, 764 changer transitions 6/1147 dead transitions. [2021-03-12 01:37:06,945 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 1147 transitions, 39268 flow [2021-03-12 01:37:06,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-03-12 01:37:06,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-03-12 01:37:06,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 433 transitions. [2021-03-12 01:37:06,946 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4100378787878788 [2021-03-12 01:37:06,946 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 433 transitions. [2021-03-12 01:37:06,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 433 transitions. [2021-03-12 01:37:06,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:37:06,946 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 433 transitions. [2021-03-12 01:37:06,946 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 13.121212121212121) internal successors, (433), 33 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:06,947 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 32.0) internal successors, (1088), 34 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:06,947 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 32.0) internal successors, (1088), 34 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:06,947 INFO L185 Difference]: Start difference. First operand has 447 places, 1064 transitions, 33873 flow. Second operand 33 states and 433 transitions. [2021-03-12 01:37:06,947 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 1147 transitions, 39268 flow [2021-03-12 01:37:08,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 466 places, 1147 transitions, 38077 flow, removed 566 selfloop flow, removed 11 redundant places. [2021-03-12 01:37:08,696 INFO L241 Difference]: Finished difference. Result has 473 places, 1110 transitions, 36365 flow [2021-03-12 01:37:08,697 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=32692, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1064, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=726, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=36365, PETRI_PLACES=473, PETRI_TRANSITIONS=1110} [2021-03-12 01:37:08,697 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 456 predicate places. [2021-03-12 01:37:08,697 INFO L480 AbstractCegarLoop]: Abstraction has has 473 places, 1110 transitions, 36365 flow [2021-03-12 01:37:08,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 11.217391304347826) internal successors, (258), 23 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:08,697 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:37:08,697 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:37:08,898 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:37:08,898 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:37:08,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:37:08,899 INFO L82 PathProgramCache]: Analyzing trace with hash -911687508, now seen corresponding path program 32 times [2021-03-12 01:37:08,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:37:08,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909956069] [2021-03-12 01:37:08,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:37:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:37:08,912 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:37:08,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:08,921 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-12 01:37:08,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:37:08,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:08,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:08,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:08,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:08,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:08,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:37:08,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:08,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:08,969 INFO L142 QuantifierPusher]: treesize reduction 13, result has 62.9 percent of original size [2021-03-12 01:37:08,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:37:08,979 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-12 01:37:08,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:37:08,989 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:37:08,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:09,000 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:37:09,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:37:09,009 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:37:09,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909956069] [2021-03-12 01:37:09,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607119243] [2021-03-12 01:37:09,009 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:37:09,024 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 01:37:09,024 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:37:09,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-12 01:37:09,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:37:09,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:09,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:09,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:09,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:09,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:09,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:09,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:09,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:09,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:09,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:09,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:09,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:09,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:09,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:09,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:09,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:09,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:09,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:09,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:09,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:09,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:09,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:09,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:09,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:09,073 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-12 01:37:09,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:09,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:37:09,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-12 01:37:09,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:09,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:37:09,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-12 01:37:09,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,077 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:37:09,077 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:37:09,078 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:37:09,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:37:09,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:09,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:09,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:09,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:09,103 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-12 01:37:09,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:09,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:09,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:09,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:09,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:09,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:09,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,106 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:37:09,106 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:37:09,106 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:37:09,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:37:09,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:09,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:37:09,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:09,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:09,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:37:09,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:09,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:09,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:09,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:09,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:09,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:09,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:09,148 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:37:09,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:09,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:09,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:37:09,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:09,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:09,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:37:09,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,151 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:37:09,151 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:37:09,151 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:09,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:09,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:09,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:09,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:09,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:09,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:09,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:09,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:09,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:09,194 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-12 01:37:09,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:37:09,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,195 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:09,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:37:09,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:09,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:37:09,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 01:37:09,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:09,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:09,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:09,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:09,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:09,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:09,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:09,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:09,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:09,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:09,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:09,241 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:37:09,242 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:37:09,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 19 [2021-03-12 01:37:09,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996735751] [2021-03-12 01:37:09,242 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-12 01:37:09,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:37:09,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-12 01:37:09,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2021-03-12 01:37:09,242 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:37:09,243 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 473 places, 1110 transitions, 36365 flow. Second operand has 21 states, 21 states have (on average 11.333333333333334) internal successors, (238), 21 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:09,243 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:37:09,243 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:37:09,243 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:37:11,227 INFO L129 PetriNetUnfolder]: 1417/2999 cut-off events. [2021-03-12 01:37:11,227 INFO L130 PetriNetUnfolder]: For 257012/257012 co-relation queries the response was YES. [2021-03-12 01:37:11,260 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55585 conditions, 2999 events. 1417/2999 cut-off events. For 257012/257012 co-relation queries the response was YES. Maximal size of possible extension queue 200. Compared 21744 event pairs, 297 based on Foata normal form. 2/3001 useless extension candidates. Maximal degree in co-relation 55422. Up to 1921 conditions per place. [2021-03-12 01:37:11,276 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 728 selfloop transitions, 532 changer transitions 6/1270 dead transitions. [2021-03-12 01:37:11,276 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 502 places, 1270 transitions, 45128 flow [2021-03-12 01:37:11,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 01:37:11,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2021-03-12 01:37:11,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 426 transitions. [2021-03-12 01:37:11,277 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.416015625 [2021-03-12 01:37:11,277 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 426 transitions. [2021-03-12 01:37:11,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 426 transitions. [2021-03-12 01:37:11,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:37:11,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 426 transitions. [2021-03-12 01:37:11,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 13.3125) internal successors, (426), 32 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:11,279 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 32.0) internal successors, (1056), 33 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:11,279 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 32.0) internal successors, (1056), 33 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:11,279 INFO L185 Difference]: Start difference. First operand has 473 places, 1110 transitions, 36365 flow. Second operand 32 states and 426 transitions. [2021-03-12 01:37:11,279 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 502 places, 1270 transitions, 45128 flow [2021-03-12 01:37:13,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 473 places, 1270 transitions, 43615 flow, removed 371 selfloop flow, removed 29 redundant places. [2021-03-12 01:37:13,316 INFO L241 Difference]: Finished difference. Result has 481 places, 1229 transitions, 41188 flow [2021-03-12 01:37:13,317 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=34929, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=440, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=623, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=41188, PETRI_PLACES=481, PETRI_TRANSITIONS=1229} [2021-03-12 01:37:13,317 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 464 predicate places. [2021-03-12 01:37:13,317 INFO L480 AbstractCegarLoop]: Abstraction has has 481 places, 1229 transitions, 41188 flow [2021-03-12 01:37:13,317 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.333333333333334) internal successors, (238), 21 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:13,317 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:37:13,317 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:37:13,518 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:37:13,518 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:37:13,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:37:13,518 INFO L82 PathProgramCache]: Analyzing trace with hash 371459952, now seen corresponding path program 33 times [2021-03-12 01:37:13,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:37:13,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811036947] [2021-03-12 01:37:13,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:37:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:37:13,532 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:37:13,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:13,540 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-12 01:37:13,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:37:13,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:13,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:13,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:13,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:13,587 INFO L142 QuantifierPusher]: treesize reduction 13, result has 62.9 percent of original size [2021-03-12 01:37:13,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:37:13,599 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-12 01:37:13,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:37:13,612 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:37:13,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:13,624 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:37:13,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:37:13,633 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:37:13,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811036947] [2021-03-12 01:37:13,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599976763] [2021-03-12 01:37:13,634 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:37:13,649 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-03-12 01:37:13,649 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:37:13,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-12 01:37:13,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:37:13,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:13,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:13,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:13,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:13,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:13,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:13,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:13,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:13,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:13,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:13,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:13,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:13,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:13,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:13,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:13,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:13,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:13,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:13,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:13,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:13,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:13,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:13,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:13,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:13,699 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-12 01:37:13,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:13,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:37:13,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-12 01:37:13,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:13,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:37:13,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-12 01:37:13,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,703 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:37:13,703 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:37:13,703 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:37:13,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:37:13,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:13,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:37:13,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:37:13,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:13,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:37:13,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:37:13,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:13,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:13,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:13,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:13,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:13,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:13,752 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:37:13,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:13,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:37:13,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:37:13,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:13,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:37:13,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:37:13,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,756 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:37:13,756 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:37:13,756 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:13,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:13,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:13,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:13,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:13,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:13,786 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:37:13,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:13,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:13,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:37:13,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:13,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:13,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:37:13,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,789 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:37:13,789 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:37:13,790 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:13,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:13,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:13,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:13,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:13,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:13,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:13,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:13,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:13,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:13,833 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-12 01:37:13,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:37:13,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:13,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:37:13,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:13,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:37:13,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 01:37:13,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:13,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:13,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:13,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:13,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:13,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:13,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:13,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:13,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:13,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:13,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:13,855 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:37:13,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:37:13,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 19 [2021-03-12 01:37:13,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945271854] [2021-03-12 01:37:13,855 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-12 01:37:13,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:37:13,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-12 01:37:13,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2021-03-12 01:37:13,856 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:37:13,856 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 481 places, 1229 transitions, 41188 flow. Second operand has 21 states, 21 states have (on average 11.333333333333334) internal successors, (238), 21 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:13,856 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:37:13,856 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:37:13,856 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:37:15,895 INFO L129 PetriNetUnfolder]: 1471/3107 cut-off events. [2021-03-12 01:37:15,895 INFO L130 PetriNetUnfolder]: For 254532/254532 co-relation queries the response was YES. [2021-03-12 01:37:15,931 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57913 conditions, 3107 events. 1471/3107 cut-off events. For 254532/254532 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 22654 event pairs, 370 based on Foata normal form. 2/3109 useless extension candidates. Maximal degree in co-relation 57749. Up to 2210 conditions per place. [2021-03-12 01:37:15,948 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 852 selfloop transitions, 442 changer transitions 6/1304 dead transitions. [2021-03-12 01:37:15,948 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 506 places, 1304 transitions, 46897 flow [2021-03-12 01:37:15,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 01:37:15,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-03-12 01:37:15,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 369 transitions. [2021-03-12 01:37:15,949 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.41183035714285715 [2021-03-12 01:37:15,949 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 369 transitions. [2021-03-12 01:37:15,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 369 transitions. [2021-03-12 01:37:15,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:37:15,950 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 369 transitions. [2021-03-12 01:37:15,950 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 13.178571428571429) internal successors, (369), 28 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:15,951 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 32.0) internal successors, (928), 29 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:15,951 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 32.0) internal successors, (928), 29 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:15,951 INFO L185 Difference]: Start difference. First operand has 481 places, 1229 transitions, 41188 flow. Second operand 28 states and 369 transitions. [2021-03-12 01:37:15,951 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 506 places, 1304 transitions, 46897 flow [2021-03-12 01:37:18,182 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 493 places, 1304 transitions, 45818 flow, removed 518 selfloop flow, removed 13 redundant places. [2021-03-12 01:37:18,211 INFO L241 Difference]: Finished difference. Result has 500 places, 1272 transitions, 43166 flow [2021-03-12 01:37:18,211 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=40109, PETRI_DIFFERENCE_MINUEND_PLACES=466, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=409, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=799, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=43166, PETRI_PLACES=500, PETRI_TRANSITIONS=1272} [2021-03-12 01:37:18,212 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 483 predicate places. [2021-03-12 01:37:18,212 INFO L480 AbstractCegarLoop]: Abstraction has has 500 places, 1272 transitions, 43166 flow [2021-03-12 01:37:18,212 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.333333333333334) internal successors, (238), 21 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:18,212 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:37:18,212 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:37:18,412 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable89 [2021-03-12 01:37:18,412 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:37:18,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:37:18,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1134202808, now seen corresponding path program 34 times [2021-03-12 01:37:18,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:37:18,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016113706] [2021-03-12 01:37:18,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:37:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:37:18,421 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:37:18,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:18,429 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-12 01:37:18,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:37:18,436 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:37:18,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:18,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:18,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:18,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:37:18,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:37:18,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:37:18,493 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-12 01:37:18,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:18,504 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:37:18,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:18,515 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:37:18,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:37:18,524 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:37:18,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016113706] [2021-03-12 01:37:18,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470092822] [2021-03-12 01:37:18,524 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-12 01:37:18,538 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 01:37:18,538 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:37:18,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 20 conjunts are in the unsatisfiable core [2021-03-12 01:37:18,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:37:18,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:18,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:18,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:18,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:18,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:18,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:18,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:18,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:18,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:18,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:18,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:18,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:18,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:18,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:18,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:18,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:18,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:18,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:18,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:18,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:18,570 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-12 01:37:18,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:18,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:37:18,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:18,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:18,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:37:18,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:18,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,573 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:37:18,573 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:37:18,574 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:37:18,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:37:18,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:18,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:18,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:18,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:18,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:18,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:18,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:18,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:18,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:18,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:37:18,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:37:18,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:18,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:37:18,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:37:18,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:18,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:18,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:18,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:18,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:18,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:18,641 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-12 01:37:18,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:37:18,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:37:18,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:37:18,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:37:18,658 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-03-12 01:37:18,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:18,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:37:18,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 01:37:18,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:18,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:37:18,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-12 01:37:18,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,674 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:37:18,674 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:37:18,674 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:37:18,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:37:18,702 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-03-12 01:37:18,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-12 01:37:18,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:18,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:37:18,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:37:18,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:37:18,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:37:18,728 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-12 01:37:18,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:18,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:18,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:37:18,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:18,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:18,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:37:18,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,732 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:37:18,732 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:37:18,732 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:37:18,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:37:18,762 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-12 01:37:18,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:37:18,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:18,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:37:18,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:37:18,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:18,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:18,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:18,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:18,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:18,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:18,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:18,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:18,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:18,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:18,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:18,783 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:37:18,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:37:18,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 22 [2021-03-12 01:37:18,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533581030] [2021-03-12 01:37:18,783 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-03-12 01:37:18,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:37:18,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-03-12 01:37:18,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=461, Unknown=0, NotChecked=0, Total=552 [2021-03-12 01:37:18,784 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:37:18,784 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 500 places, 1272 transitions, 43166 flow. Second operand has 24 states, 24 states have (on average 11.166666666666666) internal successors, (268), 24 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:18,784 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:37:18,784 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:37:18,784 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:37:20,861 INFO L129 PetriNetUnfolder]: 1471/3106 cut-off events. [2021-03-12 01:37:20,861 INFO L130 PetriNetUnfolder]: For 242302/242302 co-relation queries the response was YES. [2021-03-12 01:37:20,897 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57859 conditions, 3106 events. 1471/3106 cut-off events. For 242302/242302 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 22642 event pairs, 509 based on Foata normal form. 1/3107 useless extension candidates. Maximal degree in co-relation 57689. Up to 3012 conditions per place. [2021-03-12 01:37:20,915 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 1238 selfloop transitions, 50 changer transitions 1/1293 dead transitions. [2021-03-12 01:37:20,915 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 515 places, 1293 transitions, 46550 flow [2021-03-12 01:37:20,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 01:37:20,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-12 01:37:20,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 231 transitions. [2021-03-12 01:37:20,917 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4010416666666667 [2021-03-12 01:37:20,917 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 231 transitions. [2021-03-12 01:37:20,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 231 transitions. [2021-03-12 01:37:20,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:37:20,917 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 231 transitions. [2021-03-12 01:37:20,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 12.833333333333334) internal successors, (231), 18 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:20,918 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 32.0) internal successors, (608), 19 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:20,918 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 32.0) internal successors, (608), 19 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:20,918 INFO L185 Difference]: Start difference. First operand has 500 places, 1272 transitions, 43166 flow. Second operand 18 states and 231 transitions. [2021-03-12 01:37:20,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 515 places, 1293 transitions, 46550 flow [2021-03-12 01:37:23,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 498 places, 1293 transitions, 45695 flow, removed 285 selfloop flow, removed 17 redundant places. [2021-03-12 01:37:23,065 INFO L241 Difference]: Finished difference. Result has 501 places, 1277 transitions, 42680 flow [2021-03-12 01:37:23,065 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=42311, PETRI_DIFFERENCE_MINUEND_PLACES=481, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=42680, PETRI_PLACES=501, PETRI_TRANSITIONS=1277} [2021-03-12 01:37:23,066 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 484 predicate places. [2021-03-12 01:37:23,066 INFO L480 AbstractCegarLoop]: Abstraction has has 501 places, 1277 transitions, 42680 flow [2021-03-12 01:37:23,066 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 11.166666666666666) internal successors, (268), 24 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:23,066 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:37:23,066 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:37:23,267 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:37:23,267 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:37:23,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:37:23,267 INFO L82 PathProgramCache]: Analyzing trace with hash 282729316, now seen corresponding path program 35 times [2021-03-12 01:37:23,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:37:23,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131906432] [2021-03-12 01:37:23,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:37:23,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:37:23,277 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:37:23,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:23,284 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-12 01:37:23,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:37:23,295 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:37:23,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:23,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:23,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:23,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:37:23,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:23,340 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-12 01:37:23,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:37:23,356 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-12 01:37:23,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:23,367 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:37:23,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:23,377 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:37:23,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:37:23,386 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:37:23,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131906432] [2021-03-12 01:37:23,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450937883] [2021-03-12 01:37:23,386 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-12 01:37:23,400 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-03-12 01:37:23,400 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:37:23,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 20 conjunts are in the unsatisfiable core [2021-03-12 01:37:23,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:37:23,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:23,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:23,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:23,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:23,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:23,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:23,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:23,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:23,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:23,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:23,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:23,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:23,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:23,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:23,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:23,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:23,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:23,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:23,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:23,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:23,431 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-12 01:37:23,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:23,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:37:23,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:23,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:23,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:37:23,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:23,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,439 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:37:23,439 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:37:23,440 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:37:23,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:37:23,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:23,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:23,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:23,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:23,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:23,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:23,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:23,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:23,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:23,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:37:23,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:37:23,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:23,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:37:23,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:37:23,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:23,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:23,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:23,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:23,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:23,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:23,511 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:37:23,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:23,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:37:23,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:37:23,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:23,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:37:23,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:37:23,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,515 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:37:23,515 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:37:23,515 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:23,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:23,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:37:23,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:37:23,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:37:23,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:37:23,553 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-12 01:37:23,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:37:23,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:23,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:37:23,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:37:23,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:23,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:23,571 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-12 01:37:23,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:23,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:23,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:37:23,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:23,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:23,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:37:23,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,574 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:37:23,574 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:37:23,575 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:37:23,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:37:23,601 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-12 01:37:23,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:37:23,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:23,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:37:23,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:37:23,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:23,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:23,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:23,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:23,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:23,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:23,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:23,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:23,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:23,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:23,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:23,622 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:37:23,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:37:23,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 21 [2021-03-12 01:37:23,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468565909] [2021-03-12 01:37:23,623 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-12 01:37:23,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:37:23,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-12 01:37:23,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=426, Unknown=0, NotChecked=0, Total=506 [2021-03-12 01:37:23,623 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:37:23,623 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 501 places, 1277 transitions, 42680 flow. Second operand has 23 states, 23 states have (on average 11.217391304347826) internal successors, (258), 23 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:23,624 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:37:23,624 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:37:23,624 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:37:25,842 INFO L129 PetriNetUnfolder]: 1479/3126 cut-off events. [2021-03-12 01:37:25,842 INFO L130 PetriNetUnfolder]: For 271079/271079 co-relation queries the response was YES. [2021-03-12 01:37:25,884 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57601 conditions, 3126 events. 1479/3126 cut-off events. For 271079/271079 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 23086 event pairs, 220 based on Foata normal form. 1/3127 useless extension candidates. Maximal degree in co-relation 57429. Up to 2351 conditions per place. [2021-03-12 01:37:25,906 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 756 selfloop transitions, 549 changer transitions 1/1310 dead transitions. [2021-03-12 01:37:25,906 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 522 places, 1310 transitions, 46509 flow [2021-03-12 01:37:25,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 01:37:25,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-03-12 01:37:25,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 298 transitions. [2021-03-12 01:37:25,907 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4048913043478261 [2021-03-12 01:37:25,907 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 298 transitions. [2021-03-12 01:37:25,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 298 transitions. [2021-03-12 01:37:25,907 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:37:25,907 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 298 transitions. [2021-03-12 01:37:25,908 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 12.956521739130435) internal successors, (298), 23 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:25,908 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 32.0) internal successors, (768), 24 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:25,908 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 32.0) internal successors, (768), 24 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:25,908 INFO L185 Difference]: Start difference. First operand has 501 places, 1277 transitions, 42680 flow. Second operand 23 states and 298 transitions. [2021-03-12 01:37:25,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 522 places, 1310 transitions, 46509 flow [2021-03-12 01:37:28,177 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 516 places, 1310 transitions, 46363 flow, removed 55 selfloop flow, removed 6 redundant places. [2021-03-12 01:37:28,206 INFO L241 Difference]: Finished difference. Result has 519 places, 1289 transitions, 44174 flow [2021-03-12 01:37:28,206 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=42534, PETRI_DIFFERENCE_MINUEND_PLACES=494, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=540, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=735, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=44174, PETRI_PLACES=519, PETRI_TRANSITIONS=1289} [2021-03-12 01:37:28,207 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 502 predicate places. [2021-03-12 01:37:28,207 INFO L480 AbstractCegarLoop]: Abstraction has has 519 places, 1289 transitions, 44174 flow [2021-03-12 01:37:28,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 11.217391304347826) internal successors, (258), 23 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:28,207 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:37:28,207 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:37:28,407 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable97 [2021-03-12 01:37:28,407 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:37:28,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:37:28,407 INFO L82 PathProgramCache]: Analyzing trace with hash 401426076, now seen corresponding path program 36 times [2021-03-12 01:37:28,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:37:28,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794871565] [2021-03-12 01:37:28,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:37:28,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:37:28,415 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:37:28,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:28,423 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-12 01:37:28,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:37:28,432 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:37:28,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:28,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:28,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:37:28,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:28,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:37:28,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:28,482 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:37:28,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:28,492 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:37:28,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:37:28,500 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:37:28,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794871565] [2021-03-12 01:37:28,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672244086] [2021-03-12 01:37:28,500 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-12 01:37:28,515 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-03-12 01:37:28,515 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:37:28,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-12 01:37:28,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:37:28,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:28,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:28,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:28,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:28,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:28,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:28,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:28,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:28,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:28,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:28,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:28,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:28,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:28,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:28,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:28,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:28,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:28,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:28,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:28,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:28,545 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-12 01:37:28,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:28,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:37:28,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:28,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:28,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:37:28,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:28,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,548 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:37:28,548 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:37:28,548 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:37:28,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:37:28,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:28,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:28,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:28,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:28,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:28,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:28,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:28,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:28,583 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-12 01:37:28,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:28,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:28,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:28,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:28,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:28,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:28,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,586 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:37:28,586 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:37:28,586 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:37:28,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:37:28,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:28,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:37:28,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:28,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:28,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:37:28,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:28,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:28,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:28,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:28,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:28,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:28,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:28,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:28,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:28,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:28,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:28,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:28,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:28,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:28,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:28,652 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:37:28,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:28,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:28,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:37:28,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:28,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:28,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:37:28,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,655 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:37:28,655 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:37:28,656 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:28,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:28,681 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-12 01:37:28,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:37:28,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:28,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:37:28,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:28,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:37:28,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 01:37:28,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:28,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:28,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:28,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:28,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:28,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:28,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:28,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:28,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:28,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:28,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:28,702 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:37:28,702 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:37:28,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 19 [2021-03-12 01:37:28,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293467892] [2021-03-12 01:37:28,703 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-12 01:37:28,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:37:28,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-12 01:37:28,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=349, Unknown=0, NotChecked=0, Total=420 [2021-03-12 01:37:28,703 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:37:28,703 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 519 places, 1289 transitions, 44174 flow. Second operand has 21 states, 21 states have (on average 11.333333333333334) internal successors, (238), 21 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:28,703 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:37:28,703 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:37:28,703 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:37:31,154 INFO L129 PetriNetUnfolder]: 1568/3329 cut-off events. [2021-03-12 01:37:31,154 INFO L130 PetriNetUnfolder]: For 293856/293856 co-relation queries the response was YES. [2021-03-12 01:37:31,200 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63168 conditions, 3329 events. 1568/3329 cut-off events. For 293856/293856 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 24673 event pairs, 412 based on Foata normal form. 2/3331 useless extension candidates. Maximal degree in co-relation 62994. Up to 2778 conditions per place. [2021-03-12 01:37:31,220 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 1105 selfloop transitions, 289 changer transitions 4/1402 dead transitions. [2021-03-12 01:37:31,220 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 1402 transitions, 51853 flow [2021-03-12 01:37:31,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-12 01:37:31,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-03-12 01:37:31,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 319 transitions. [2021-03-12 01:37:31,221 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4153645833333333 [2021-03-12 01:37:31,221 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 319 transitions. [2021-03-12 01:37:31,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 319 transitions. [2021-03-12 01:37:31,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:37:31,221 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 319 transitions. [2021-03-12 01:37:31,221 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 13.291666666666666) internal successors, (319), 24 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:31,222 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 32.0) internal successors, (800), 25 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:31,222 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 32.0) internal successors, (800), 25 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:31,222 INFO L185 Difference]: Start difference. First operand has 519 places, 1289 transitions, 44174 flow. Second operand 24 states and 319 transitions. [2021-03-12 01:37:31,222 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 1402 transitions, 51853 flow [2021-03-12 01:37:33,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 528 places, 1402 transitions, 51648 flow, removed 78 selfloop flow, removed 13 redundant places. [2021-03-12 01:37:33,701 INFO L241 Difference]: Finished difference. Result has 539 places, 1371 transitions, 48681 flow [2021-03-12 01:37:33,701 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=43971, PETRI_DIFFERENCE_MINUEND_PLACES=505, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=224, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1028, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=48681, PETRI_PLACES=539, PETRI_TRANSITIONS=1371} [2021-03-12 01:37:33,702 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 522 predicate places. [2021-03-12 01:37:33,702 INFO L480 AbstractCegarLoop]: Abstraction has has 539 places, 1371 transitions, 48681 flow [2021-03-12 01:37:33,702 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.333333333333334) internal successors, (238), 21 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:33,702 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:37:33,702 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:37:33,902 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable101 [2021-03-12 01:37:33,902 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:37:33,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:37:33,902 INFO L82 PathProgramCache]: Analyzing trace with hash -2101920996, now seen corresponding path program 37 times [2021-03-12 01:37:33,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:37:33,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018182918] [2021-03-12 01:37:33,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:37:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:37:33,910 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:37:33,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:33,922 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-12 01:37:33,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:37:33,931 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-12 01:37:33,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 01:37:33,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:33,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:33,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:33,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:33,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:33,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:33,954 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-12 01:37:33,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:37:33,967 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-03-12 01:37:33,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:33,977 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-12 01:37:33,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:37:33,984 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-03-12 01:37:33,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:37:33,997 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:37:33,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:34,007 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:37:34,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:37:34,015 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:37:34,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018182918] [2021-03-12 01:37:34,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [28597909] [2021-03-12 01:37:34,016 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-12 01:37:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:37:34,029 WARN L261 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-12 01:37:34,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:37:34,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:34,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:34,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:34,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:34,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:34,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:34,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:34,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:34,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:34,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:34,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:34,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:34,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:34,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:34,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:34,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:34,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:34,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:34,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:34,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:34,059 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-12 01:37:34,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:34,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:37:34,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:34,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:34,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:37:34,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:34,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,062 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:37:34,062 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:37:34,063 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:37:34,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:37:34,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:34,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:34,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:34,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:34,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:34,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:37:34,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:37:34,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:34,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:37:34,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:37:34,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:34,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:34,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:34,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:34,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:34,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:34,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:34,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:34,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:34,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:34,145 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:37:34,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:34,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:37:34,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:37:34,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:34,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:37:34,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:37:34,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,148 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:37:34,148 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:37:34,148 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:34,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:34,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:37:34,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:37:34,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:37:34,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:37:34,185 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:37:34,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:34,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:34,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:37:34,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:34,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:34,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:37:34,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,188 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:37:34,188 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:37:34,189 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:34,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:34,215 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-12 01:37:34,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:37:34,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:34,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:37:34,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:37:34,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:34,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:34,232 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-12 01:37:34,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:37:34,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:34,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:37:34,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:37:34,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:34,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:34,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:34,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:34,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:34,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:34,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:34,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:34,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:34,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:34,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:34,254 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:37:34,254 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:37:34,254 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 21 [2021-03-12 01:37:34,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909854418] [2021-03-12 01:37:34,254 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-12 01:37:34,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:37:34,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-12 01:37:34,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2021-03-12 01:37:34,255 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:37:34,255 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 539 places, 1371 transitions, 48681 flow. Second operand has 23 states, 23 states have (on average 11.217391304347826) internal successors, (258), 23 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:34,255 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:37:34,255 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:37:34,255 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:37:36,960 INFO L129 PetriNetUnfolder]: 1588/3365 cut-off events. [2021-03-12 01:37:36,960 INFO L130 PetriNetUnfolder]: For 345662/345662 co-relation queries the response was YES. [2021-03-12 01:37:37,009 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65057 conditions, 3365 events. 1588/3365 cut-off events. For 345662/345662 co-relation queries the response was YES. Maximal size of possible extension queue 234. Compared 25288 event pairs, 168 based on Foata normal form. 1/3366 useless extension candidates. Maximal degree in co-relation 64872. Up to 2163 conditions per place. [2021-03-12 01:37:37,028 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 622 selfloop transitions, 794 changer transitions 3/1423 dead transitions. [2021-03-12 01:37:37,028 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 565 places, 1423 transitions, 53656 flow [2021-03-12 01:37:37,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-03-12 01:37:37,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-03-12 01:37:37,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 381 transitions. [2021-03-12 01:37:37,029 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4105603448275862 [2021-03-12 01:37:37,029 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 381 transitions. [2021-03-12 01:37:37,029 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 381 transitions. [2021-03-12 01:37:37,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:37:37,030 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 381 transitions. [2021-03-12 01:37:37,030 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 13.137931034482758) internal successors, (381), 29 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:37,031 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 32.0) internal successors, (960), 30 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:37,031 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 32.0) internal successors, (960), 30 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:37,031 INFO L185 Difference]: Start difference. First operand has 539 places, 1371 transitions, 48681 flow. Second operand 29 states and 381 transitions. [2021-03-12 01:37:37,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 565 places, 1423 transitions, 53656 flow [2021-03-12 01:37:39,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 556 places, 1423 transitions, 52876 flow, removed 368 selfloop flow, removed 9 redundant places. [2021-03-12 01:37:39,823 INFO L241 Difference]: Finished difference. Result has 560 places, 1393 transitions, 50751 flow [2021-03-12 01:37:39,824 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=47901, PETRI_DIFFERENCE_MINUEND_PLACES=528, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1371, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=777, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=591, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=50751, PETRI_PLACES=560, PETRI_TRANSITIONS=1393} [2021-03-12 01:37:39,824 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 543 predicate places. [2021-03-12 01:37:39,824 INFO L480 AbstractCegarLoop]: Abstraction has has 560 places, 1393 transitions, 50751 flow [2021-03-12 01:37:39,825 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 11.217391304347826) internal successors, (258), 23 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:39,825 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:37:39,825 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:37:40,038 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable105 [2021-03-12 01:37:40,039 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:37:40,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:37:40,039 INFO L82 PathProgramCache]: Analyzing trace with hash -900143888, now seen corresponding path program 38 times [2021-03-12 01:37:40,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:37:40,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787073863] [2021-03-12 01:37:40,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:37:40,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:37:40,052 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:37:40,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:40,061 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-12 01:37:40,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:37:40,070 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:37:40,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:40,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:40,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:37:40,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:40,109 INFO L142 QuantifierPusher]: treesize reduction 13, result has 62.9 percent of original size [2021-03-12 01:37:40,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:37:40,120 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-12 01:37:40,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:37:40,132 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:37:40,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:40,145 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:37:40,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:37:40,155 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:37:40,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787073863] [2021-03-12 01:37:40,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850433884] [2021-03-12 01:37:40,155 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 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:37:40,170 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 01:37:40,170 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:37:40,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-12 01:37:40,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:37:40,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:40,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:40,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:40,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:40,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:40,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:40,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:40,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:40,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:40,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:40,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:40,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:40,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:40,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:40,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:40,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:40,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:40,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:40,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:40,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:40,201 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-12 01:37:40,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:40,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:37:40,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:40,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:40,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:37:40,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:40,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,205 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:37:40,205 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:37:40,206 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:37:40,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:37:40,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:40,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:40,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:40,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:40,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:40,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:40,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:40,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:40,247 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-12 01:37:40,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:40,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:40,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:40,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:40,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:40,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:40,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,251 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:37:40,251 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:37:40,254 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:37:40,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:37:40,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:40,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:37:40,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:40,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:40,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:37:40,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:40,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:40,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:40,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:40,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:40,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:40,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:40,306 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:37:40,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:40,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:40,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:37:40,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:40,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:40,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:37:40,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,310 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:37:40,310 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:37:40,311 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:40,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:40,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:40,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:40,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:40,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:40,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:40,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:40,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:40,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:40,362 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-12 01:37:40,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:37:40,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:40,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:37:40,363 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:40,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:37:40,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 01:37:40,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:40,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:40,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:40,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:40,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:40,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:40,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:40,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:40,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:40,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:40,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:40,386 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:37:40,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:37:40,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 19 [2021-03-12 01:37:40,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954846478] [2021-03-12 01:37:40,387 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-12 01:37:40,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:37:40,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-12 01:37:40,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2021-03-12 01:37:40,387 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:37:40,387 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 560 places, 1393 transitions, 50751 flow. Second operand has 21 states, 21 states have (on average 11.333333333333334) internal successors, (238), 21 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:40,388 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:37:40,388 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:37:40,388 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:37:43,103 INFO L129 PetriNetUnfolder]: 1692/3581 cut-off events. [2021-03-12 01:37:43,103 INFO L130 PetriNetUnfolder]: For 348804/348804 co-relation queries the response was YES. [2021-03-12 01:37:43,162 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71216 conditions, 3581 events. 1692/3581 cut-off events. For 348804/348804 co-relation queries the response was YES. Maximal size of possible extension queue 238. Compared 26845 event pairs, 391 based on Foata normal form. 2/3583 useless extension candidates. Maximal degree in co-relation 71028. Up to 2504 conditions per place. [2021-03-12 01:37:43,188 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 962 selfloop transitions, 542 changer transitions 6/1514 dead transitions. [2021-03-12 01:37:43,188 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 583 places, 1514 transitions, 59309 flow [2021-03-12 01:37:43,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 01:37:43,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-03-12 01:37:43,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 332 transitions. [2021-03-12 01:37:43,189 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.415 [2021-03-12 01:37:43,189 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 332 transitions. [2021-03-12 01:37:43,189 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 332 transitions. [2021-03-12 01:37:43,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:37:43,190 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 332 transitions. [2021-03-12 01:37:43,190 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 13.28) internal successors, (332), 25 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:43,191 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 32.0) internal successors, (832), 26 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:43,191 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 32.0) internal successors, (832), 26 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:43,191 INFO L185 Difference]: Start difference. First operand has 560 places, 1393 transitions, 50751 flow. Second operand 25 states and 332 transitions. [2021-03-12 01:37:43,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 583 places, 1514 transitions, 59309 flow [2021-03-12 01:37:46,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 565 places, 1514 transitions, 58677 flow, removed 267 selfloop flow, removed 18 redundant places. [2021-03-12 01:37:46,254 INFO L241 Difference]: Finished difference. Result has 572 places, 1481 transitions, 55745 flow [2021-03-12 01:37:46,254 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=50129, PETRI_DIFFERENCE_MINUEND_PLACES=541, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1393, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=472, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=884, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=55745, PETRI_PLACES=572, PETRI_TRANSITIONS=1481} [2021-03-12 01:37:46,254 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 555 predicate places. [2021-03-12 01:37:46,254 INFO L480 AbstractCegarLoop]: Abstraction has has 572 places, 1481 transitions, 55745 flow [2021-03-12 01:37:46,255 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.333333333333334) internal successors, (238), 21 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:46,255 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:37:46,255 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:37:46,455 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable109 [2021-03-12 01:37:46,455 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:37:46,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:37:46,455 INFO L82 PathProgramCache]: Analyzing trace with hash -597655240, now seen corresponding path program 39 times [2021-03-12 01:37:46,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:37:46,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084951976] [2021-03-12 01:37:46,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:37:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:37:46,463 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:37:46,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:46,470 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-12 01:37:46,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:37:46,487 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:37:46,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:46,498 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-12 01:37:46,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:37:46,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:37:46,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:46,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:37:46,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:46,550 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:37:46,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:46,561 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:37:46,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:37:46,570 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:37:46,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084951976] [2021-03-12 01:37:46,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109454916] [2021-03-12 01:37:46,570 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 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-12 01:37:46,587 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-03-12 01:37:46,587 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:37:46,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-12 01:37:46,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:37:46,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:46,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:46,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:46,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:37:46,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:46,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:46,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:46,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:46,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:46,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:46,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:46,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:46,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:46,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:46,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:46,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:46,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:46,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:46,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:46,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:46,621 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-12 01:37:46,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:46,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:37:46,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:46,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:46,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:37:46,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:46,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,624 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:37:46,624 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:37:46,625 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:37:46,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:37:46,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:46,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:46,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:46,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:46,650 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-12 01:37:46,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:46,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:46,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:37:46,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:46,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:46,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:37:46,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,653 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:37:46,654 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:37:46,654 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:37:46,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:37:46,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:46,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:46,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:46,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:46,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:46,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:46,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:46,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:46,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:46,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:37:46,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:46,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:46,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:37:46,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:46,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:46,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:46,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:46,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:46,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:46,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:46,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:46,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:46,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:46,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:46,727 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:37:46,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:46,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:46,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:37:46,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:46,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:46,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:37:46,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,731 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:37:46,731 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:37:46,731 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:46,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:46,758 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-12 01:37:46,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:37:46,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:46,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:37:46,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:46,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:37:46,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 01:37:46,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:46,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:46,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:46,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:46,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:46,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:46,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:46,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:46,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:46,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:46,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:46,780 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:37:46,780 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:37:46,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 19 [2021-03-12 01:37:46,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111615171] [2021-03-12 01:37:46,780 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-12 01:37:46,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:37:46,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-12 01:37:46,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2021-03-12 01:37:46,781 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:37:46,781 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 572 places, 1481 transitions, 55745 flow. Second operand has 21 states, 21 states have (on average 11.333333333333334) internal successors, (238), 21 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:46,781 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:37:46,781 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:37:46,781 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:37:49,574 INFO L129 PetriNetUnfolder]: 1704/3607 cut-off events. [2021-03-12 01:37:49,574 INFO L130 PetriNetUnfolder]: For 345618/345618 co-relation queries the response was YES. [2021-03-12 01:37:49,623 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73111 conditions, 3607 events. 1704/3607 cut-off events. For 345618/345618 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 26978 event pairs, 559 based on Foata normal form. 1/3608 useless extension candidates. Maximal degree in co-relation 72917. Up to 3430 conditions per place. [2021-03-12 01:37:49,644 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 1411 selfloop transitions, 100 changer transitions 4/1519 dead transitions. [2021-03-12 01:37:49,644 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 589 places, 1519 transitions, 60664 flow [2021-03-12 01:37:49,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 01:37:49,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-12 01:37:49,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 263 transitions. [2021-03-12 01:37:49,645 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4109375 [2021-03-12 01:37:49,645 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 263 transitions. [2021-03-12 01:37:49,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 263 transitions. [2021-03-12 01:37:49,645 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:37:49,645 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 263 transitions. [2021-03-12 01:37:49,645 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 13.15) internal successors, (263), 20 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:49,646 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 32.0) internal successors, (672), 21 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:49,646 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 32.0) internal successors, (672), 21 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:49,646 INFO L185 Difference]: Start difference. First operand has 572 places, 1481 transitions, 55745 flow. Second operand 20 states and 263 transitions. [2021-03-12 01:37:49,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 589 places, 1519 transitions, 60664 flow [2021-03-12 01:37:53,002 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 580 places, 1519 transitions, 59841 flow, removed 395 selfloop flow, removed 9 redundant places. [2021-03-12 01:37:53,039 INFO L241 Difference]: Finished difference. Result has 587 places, 1498 transitions, 56165 flow [2021-03-12 01:37:53,040 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=54922, PETRI_DIFFERENCE_MINUEND_PLACES=561, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1481, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=84, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1386, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=56165, PETRI_PLACES=587, PETRI_TRANSITIONS=1498} [2021-03-12 01:37:53,040 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 570 predicate places. [2021-03-12 01:37:53,040 INFO L480 AbstractCegarLoop]: Abstraction has has 587 places, 1498 transitions, 56165 flow [2021-03-12 01:37:53,040 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.333333333333334) internal successors, (238), 21 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:53,040 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:37:53,040 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:37:53,252 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable113 [2021-03-12 01:37:53,252 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:37:53,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:37:53,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1899225204, now seen corresponding path program 40 times [2021-03-12 01:37:53,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:37:53,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385582341] [2021-03-12 01:37:53,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:37:53,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:37:53,261 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:37:53,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:53,268 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-12 01:37:53,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:37:53,276 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:37:53,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:53,284 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-12 01:37:53,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:37:53,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:37:53,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:53,312 INFO L142 QuantifierPusher]: treesize reduction 13, result has 62.9 percent of original size [2021-03-12 01:37:53,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:37:53,323 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-12 01:37:53,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:37:53,334 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:37:53,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:53,344 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:37:53,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:37:53,352 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:37:53,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385582341] [2021-03-12 01:37:53,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843935157] [2021-03-12 01:37:53,352 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-12 01:37:53,370 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 01:37:53,370 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:37:53,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-12 01:37:53,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:37:53,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:53,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:53,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:53,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:53,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:53,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:53,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:53,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:53,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:53,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:53,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:53,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:53,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:53,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:53,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:53,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:53,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:53,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:53,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:53,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:53,400 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-12 01:37:53,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:53,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:37:53,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:53,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:53,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:37:53,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:53,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,404 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:37:53,404 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:37:53,404 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:37:53,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:37:53,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:53,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:53,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:53,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:37:53,426 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-12 01:37:53,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:53,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:53,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:37:53,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:53,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:53,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:37:53,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,428 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:37:53,428 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:37:53,429 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:37:53,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:37:53,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:53,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:53,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:53,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:37:53,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:53,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:53,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:53,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:37:53,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:53,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:37:53,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:53,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:53,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:37:53,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:53,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:53,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:53,482 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:37:53,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:53,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:53,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:37:53,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:53,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:37:53,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:37:53,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,485 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:37:53,485 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:37:53,486 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:53,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:37:53,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:53,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:53,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:53,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:37:53,527 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-12 01:37:53,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:37:53,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:53,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:37:53,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:37:53,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:53,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:37:53,544 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-12 01:37:53,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:37:53,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:37:53,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:37:53,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:37:53,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:53,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:53,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:53,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:53,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:53,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:53,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:53,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:53,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:53,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:37:53,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:37:53,568 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:37:53,568 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:37:53,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-03-12 01:37:53,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870788868] [2021-03-12 01:37:53,568 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-03-12 01:37:53,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:37:53,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-03-12 01:37:53,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=382, Unknown=0, NotChecked=0, Total=462 [2021-03-12 01:37:53,569 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:37:53,569 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 587 places, 1498 transitions, 56165 flow. Second operand has 22 states, 22 states have (on average 11.272727272727273) internal successors, (248), 22 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:53,569 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:37:53,569 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:37:53,569 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:37:56,382 INFO L129 PetriNetUnfolder]: 1786/3776 cut-off events. [2021-03-12 01:37:56,382 INFO L130 PetriNetUnfolder]: For 361817/361817 co-relation queries the response was YES. [2021-03-12 01:37:56,438 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76483 conditions, 3776 events. 1786/3776 cut-off events. For 361817/361817 co-relation queries the response was YES. Maximal size of possible extension queue 251. Compared 28501 event pairs, 545 based on Foata normal form. 2/3778 useless extension candidates. Maximal degree in co-relation 76283. Up to 3345 conditions per place. [2021-03-12 01:37:56,460 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 1345 selfloop transitions, 244 changer transitions 6/1599 dead transitions. [2021-03-12 01:37:56,460 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 606 places, 1599 transitions, 64171 flow [2021-03-12 01:37:56,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 01:37:56,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-12 01:37:56,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 277 transitions. [2021-03-12 01:37:56,461 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.41220238095238093 [2021-03-12 01:37:56,461 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 277 transitions. [2021-03-12 01:37:56,461 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 277 transitions. [2021-03-12 01:37:56,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:37:56,461 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 277 transitions. [2021-03-12 01:37:56,461 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 13.19047619047619) internal successors, (277), 21 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:56,462 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 32.0) internal successors, (704), 22 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:56,462 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 32.0) internal successors, (704), 22 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:37:56,462 INFO L185 Difference]: Start difference. First operand has 587 places, 1498 transitions, 56165 flow. Second operand 21 states and 277 transitions. [2021-03-12 01:37:56,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 606 places, 1599 transitions, 64171 flow [2021-03-12 01:38:00,293 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 597 places, 1599 transitions, 63716 flow, removed 208 selfloop flow, removed 9 redundant places. [2021-03-12 01:38:00,332 INFO L241 Difference]: Finished difference. Result has 604 places, 1577 transitions, 60256 flow [2021-03-12 01:38:00,333 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=55720, PETRI_DIFFERENCE_MINUEND_PLACES=577, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1498, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=176, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=60256, PETRI_PLACES=604, PETRI_TRANSITIONS=1577} [2021-03-12 01:38:00,333 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 587 predicate places. [2021-03-12 01:38:00,333 INFO L480 AbstractCegarLoop]: Abstraction has has 604 places, 1577 transitions, 60256 flow [2021-03-12 01:38:00,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 11.272727272727273) internal successors, (248), 22 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:38:00,333 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:38:00,333 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:38:00,547 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable117 [2021-03-12 01:38:00,547 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:38:00,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:38:00,547 INFO L82 PathProgramCache]: Analyzing trace with hash -666407752, now seen corresponding path program 41 times [2021-03-12 01:38:00,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:38:00,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222285491] [2021-03-12 01:38:00,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:38:00,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:38:00,557 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:38:00,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:00,564 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-12 01:38:00,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:38:00,572 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:38:00,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:00,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:38:00,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:38:00,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:38:00,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:38:00,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:00,624 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:38:00,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:38:00,635 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:38:00,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:38:00,643 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:38:00,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222285491] [2021-03-12 01:38:00,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [399231694] [2021-03-12 01:38:00,644 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:38:00,657 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-03-12 01:38:00,657 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:38:00,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-12 01:38:00,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:38:00,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:00,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:00,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:00,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:00,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:00,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:00,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:00,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:00,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:00,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:00,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:00,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:00,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:00,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:00,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:00,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:00,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:00,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:00,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:00,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:00,688 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-12 01:38:00,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:00,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:38:00,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:38:00,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:00,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:38:00,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:38:00,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,691 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:38:00,691 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:38:00,692 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:38:00,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:38:00,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:00,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:00,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:00,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:00,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:00,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:00,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:00,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:00,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:00,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:38:00,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:38:00,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:00,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:38:00,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:38:00,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:38:00,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:38:00,746 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:38:00,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:00,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:38:00,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:38:00,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:00,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:38:00,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:38:00,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,749 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:38:00,749 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:38:00,750 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:38:00,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:38:00,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:00,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:00,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:00,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:00,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:00,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:00,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:00,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:00,792 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-12 01:38:00,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:38:00,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:00,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:38:00,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:38:00,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:00,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:00,809 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-12 01:38:00,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:00,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:38:00,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:38:00,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:00,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:38:00,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:38:00,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,812 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:38:00,812 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:38:00,812 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:38:00,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:38:00,838 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-12 01:38:00,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:38:00,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:00,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:38:00,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:38:00,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:00,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:00,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:00,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:00,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:00,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:00,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:00,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:00,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:00,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:00,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:00,859 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:38:00,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:38:00,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-03-12 01:38:00,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126863131] [2021-03-12 01:38:00,860 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-03-12 01:38:00,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:38:00,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-03-12 01:38:00,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2021-03-12 01:38:00,860 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:38:00,860 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 604 places, 1577 transitions, 60256 flow. Second operand has 22 states, 22 states have (on average 11.272727272727273) internal successors, (248), 22 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:38:00,860 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:38:00,860 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:38:00,860 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:38:03,878 INFO L129 PetriNetUnfolder]: 1808/3836 cut-off events. [2021-03-12 01:38:03,878 INFO L130 PetriNetUnfolder]: For 370485/370485 co-relation queries the response was YES. [2021-03-12 01:38:03,936 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78486 conditions, 3836 events. 1808/3836 cut-off events. For 370485/370485 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 29184 event pairs, 606 based on Foata normal form. 2/3838 useless extension candidates. Maximal degree in co-relation 78279. Up to 3577 conditions per place. [2021-03-12 01:38:03,959 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 1482 selfloop transitions, 138 changer transitions 2/1626 dead transitions. [2021-03-12 01:38:03,959 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 621 places, 1626 transitions, 65575 flow [2021-03-12 01:38:03,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 01:38:03,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-12 01:38:03,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 259 transitions. [2021-03-12 01:38:03,960 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4046875 [2021-03-12 01:38:03,960 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 259 transitions. [2021-03-12 01:38:03,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 259 transitions. [2021-03-12 01:38:03,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:38:03,960 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 259 transitions. [2021-03-12 01:38:03,961 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 12.95) internal successors, (259), 20 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:38:03,961 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 32.0) internal successors, (672), 21 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:38:03,961 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 32.0) internal successors, (672), 21 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:38:03,961 INFO L185 Difference]: Start difference. First operand has 604 places, 1577 transitions, 60256 flow. Second operand 20 states and 259 transitions. [2021-03-12 01:38:03,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 621 places, 1626 transitions, 65575 flow [2021-03-12 01:38:08,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 612 places, 1626 transitions, 64889 flow, removed 329 selfloop flow, removed 9 redundant places. [2021-03-12 01:38:08,125 INFO L241 Difference]: Finished difference. Result has 618 places, 1608 transitions, 61294 flow [2021-03-12 01:38:08,126 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=59570, PETRI_DIFFERENCE_MINUEND_PLACES=593, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1577, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=112, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1449, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=61294, PETRI_PLACES=618, PETRI_TRANSITIONS=1608} [2021-03-12 01:38:08,126 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 601 predicate places. [2021-03-12 01:38:08,126 INFO L480 AbstractCegarLoop]: Abstraction has has 618 places, 1608 transitions, 61294 flow [2021-03-12 01:38:08,127 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 11.272727272727273) internal successors, (248), 22 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:38:08,127 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:38:08,127 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:38:08,328 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:38:08,328 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:38:08,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:38:08,328 INFO L82 PathProgramCache]: Analyzing trace with hash -1109697832, now seen corresponding path program 42 times [2021-03-12 01:38:08,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:38:08,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222451918] [2021-03-12 01:38:08,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:38:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:38:08,336 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:38:08,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:08,344 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-12 01:38:08,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:38:08,352 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:38:08,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:08,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:38:08,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:38:08,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:38:08,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:38:08,398 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-12 01:38:08,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:38:08,408 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:38:08,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:38:08,418 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:38:08,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:38:08,426 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:38:08,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222451918] [2021-03-12 01:38:08,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1681722826] [2021-03-12 01:38:08,427 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-12 01:38:08,441 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-03-12 01:38:08,441 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:38:08,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-12 01:38:08,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:38:08,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:08,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:08,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:08,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:08,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:08,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:08,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:08,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:08,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:08,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:08,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:08,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:08,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:08,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:08,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:08,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:08,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:08,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:08,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:08,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:08,474 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-12 01:38:08,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:08,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:38:08,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:38:08,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:08,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:38:08,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:38:08,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,477 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:38:08,477 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:38:08,477 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:38:08,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:38:08,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:08,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:08,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:08,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:08,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:08,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:08,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:08,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:08,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:08,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:38:08,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:38:08,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:08,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:38:08,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:38:08,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:38:08,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:38:08,529 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:38:08,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:08,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:38:08,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:38:08,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:08,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:38:08,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:38:08,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,532 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:38:08,532 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:38:08,532 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:38:08,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:38:08,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:08,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:08,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:08,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:08,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:08,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:08,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:08,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:08,573 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:38:08,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:08,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:38:08,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:38:08,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:08,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:38:08,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:38:08,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,576 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:38:08,576 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:38:08,577 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:38:08,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:38:08,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:38:08,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:38:08,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:38:08,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:38:08,614 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-12 01:38:08,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:38:08,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:08,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:38:08,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:08,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:38:08,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 01:38:08,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:08,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:08,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:08,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:08,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:08,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:08,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:08,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:08,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:08,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:08,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:08,635 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:38:08,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:38:08,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 19 [2021-03-12 01:38:08,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847773062] [2021-03-12 01:38:08,636 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-12 01:38:08,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:38:08,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-12 01:38:08,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=345, Unknown=0, NotChecked=0, Total=420 [2021-03-12 01:38:08,636 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:38:08,636 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 618 places, 1608 transitions, 61294 flow. Second operand has 21 states, 21 states have (on average 11.333333333333334) internal successors, (238), 21 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:38:08,637 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:38:08,637 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:38:08,637 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:38:11,862 INFO L129 PetriNetUnfolder]: 1876/3974 cut-off events. [2021-03-12 01:38:11,862 INFO L130 PetriNetUnfolder]: For 402757/402757 co-relation queries the response was YES. [2021-03-12 01:38:11,925 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81767 conditions, 3974 events. 1876/3974 cut-off events. For 402757/402757 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 30352 event pairs, 522 based on Foata normal form. 2/3976 useless extension candidates. Maximal degree in co-relation 81555. Up to 3549 conditions per place. [2021-03-12 01:38:11,950 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 1442 selfloop transitions, 238 changer transitions 6/1690 dead transitions. [2021-03-12 01:38:11,950 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 638 places, 1690 transitions, 68646 flow [2021-03-12 01:38:11,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 01:38:11,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-03-12 01:38:11,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 306 transitions. [2021-03-12 01:38:11,951 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4157608695652174 [2021-03-12 01:38:11,951 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 306 transitions. [2021-03-12 01:38:11,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 306 transitions. [2021-03-12 01:38:11,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:38:11,952 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 306 transitions. [2021-03-12 01:38:11,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 13.304347826086957) internal successors, (306), 23 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:38:11,953 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 32.0) internal successors, (768), 24 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:38:11,953 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 32.0) internal successors, (768), 24 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:38:11,953 INFO L185 Difference]: Start difference. First operand has 618 places, 1608 transitions, 61294 flow. Second operand 23 states and 306 transitions. [2021-03-12 01:38:11,953 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 638 places, 1690 transitions, 68646 flow [2021-03-12 01:38:16,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 630 places, 1690 transitions, 68279 flow, removed 172 selfloop flow, removed 8 redundant places. [2021-03-12 01:38:16,564 INFO L241 Difference]: Finished difference. Result has 636 places, 1657 transitions, 63961 flow [2021-03-12 01:38:16,565 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=60931, PETRI_DIFFERENCE_MINUEND_PLACES=608, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1608, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=197, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=63961, PETRI_PLACES=636, PETRI_TRANSITIONS=1657} [2021-03-12 01:38:16,565 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 619 predicate places. [2021-03-12 01:38:16,565 INFO L480 AbstractCegarLoop]: Abstraction has has 636 places, 1657 transitions, 63961 flow [2021-03-12 01:38:16,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.333333333333334) internal successors, (238), 21 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:38:16,565 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:38:16,565 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:38:16,771 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable125 [2021-03-12 01:38:16,771 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:38:16,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:38:16,771 INFO L82 PathProgramCache]: Analyzing trace with hash 555393020, now seen corresponding path program 43 times [2021-03-12 01:38:16,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:38:16,772 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558008740] [2021-03-12 01:38:16,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:38:16,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:38:16,780 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:38:16,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:16,787 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-12 01:38:16,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:38:16,795 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:38:16,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:16,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:38:16,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:38:16,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:38:16,829 INFO L142 QuantifierPusher]: treesize reduction 13, result has 62.9 percent of original size [2021-03-12 01:38:16,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:38:16,840 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-12 01:38:16,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:38:16,852 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:38:16,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:38:16,863 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:38:16,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:38:16,872 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:38:16,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558008740] [2021-03-12 01:38:16,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295667447] [2021-03-12 01:38:16,872 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-12 01:38:16,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:38:16,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-12 01:38:16,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:38:16,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:16,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:16,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:16,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:38:16,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:16,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:16,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:16,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:16,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:16,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:16,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:16,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:16,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:16,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:16,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:16,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:16,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:16,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:16,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:16,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:16,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:16,926 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-12 01:38:16,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:16,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:38:16,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:38:16,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:16,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:38:16,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:38:16,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,931 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:38:16,931 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:38:16,932 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:38:16,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:38:16,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:16,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:16,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:16,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:16,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:16,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:16,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:16,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:16,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:16,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:38:16,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:38:16,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:16,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:38:16,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:38:16,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:38:16,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:38:16,995 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:38:16,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:16,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:38:16,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:38:16,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:16,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:38:16,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:38:16,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:16,999 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:38:16,999 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:38:17,000 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:17,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:38:17,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:17,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:38:17,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:17,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:17,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:17,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:17,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:17,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:17,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:17,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:17,029 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:38:17,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:17,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:17,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:38:17,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:38:17,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:17,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:17,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:17,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:38:17,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:38:17,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:17,033 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:38:17,033 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:38:17,033 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:17,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:38:17,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:17,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:38:17,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:17,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:38:17,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:17,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:38:17,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:17,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:38:17,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:17,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:38:17,079 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-12 01:38:17,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:38:17,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:17,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:17,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:17,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:38:17,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:38:17,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:17,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:17,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:17,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:17,100 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-12 01:38:17,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:38:17,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:17,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:17,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:17,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:38:17,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:38:17,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:17,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:17,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:17,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:17,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:17,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:17,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:17,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:17,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:17,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:17,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:17,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:17,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:17,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:17,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:17,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:17,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:17,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:17,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:17,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:17,124 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:38:17,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:38:17,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-03-12 01:38:17,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884963540] [2021-03-12 01:38:17,125 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-03-12 01:38:17,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:38:17,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-03-12 01:38:17,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=382, Unknown=0, NotChecked=0, Total=462 [2021-03-12 01:38:17,125 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:38:17,125 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 636 places, 1657 transitions, 63961 flow. Second operand has 22 states, 22 states have (on average 11.272727272727273) internal successors, (248), 22 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:38:17,125 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:38:17,126 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:38:17,126 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:38:20,439 INFO L129 PetriNetUnfolder]: 1936/4094 cut-off events. [2021-03-12 01:38:20,439 INFO L130 PetriNetUnfolder]: For 427694/427694 co-relation queries the response was YES. [2021-03-12 01:38:20,507 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85200 conditions, 4094 events. 1936/4094 cut-off events. For 427694/427694 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 31481 event pairs, 611 based on Foata normal form. 2/4096 useless extension candidates. Maximal degree in co-relation 84983. Up to 3700 conditions per place. [2021-03-12 01:38:20,536 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 1504 selfloop transitions, 216 changer transitions 6/1730 dead transitions. [2021-03-12 01:38:20,536 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 654 places, 1730 transitions, 71086 flow [2021-03-12 01:38:20,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 01:38:20,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-12 01:38:20,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 277 transitions. [2021-03-12 01:38:20,537 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.41220238095238093 [2021-03-12 01:38:20,537 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 277 transitions. [2021-03-12 01:38:20,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 277 transitions. [2021-03-12 01:38:20,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:38:20,537 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 277 transitions. [2021-03-12 01:38:20,538 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 13.19047619047619) internal successors, (277), 21 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:38:20,538 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 32.0) internal successors, (704), 22 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:38:20,538 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 32.0) internal successors, (704), 22 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:38:20,538 INFO L185 Difference]: Start difference. First operand has 636 places, 1657 transitions, 63961 flow. Second operand 21 states and 277 transitions. [2021-03-12 01:38:20,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 654 places, 1730 transitions, 71086 flow [2021-03-12 01:38:25,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 637 places, 1730 transitions, 70448 flow, removed 221 selfloop flow, removed 17 redundant places. [2021-03-12 01:38:25,680 INFO L241 Difference]: Finished difference. Result has 644 places, 1706 transitions, 66484 flow [2021-03-12 01:38:25,680 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=63331, PETRI_DIFFERENCE_MINUEND_PLACES=617, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1657, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=177, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1453, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=66484, PETRI_PLACES=644, PETRI_TRANSITIONS=1706} [2021-03-12 01:38:25,681 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 627 predicate places. [2021-03-12 01:38:25,681 INFO L480 AbstractCegarLoop]: Abstraction has has 644 places, 1706 transitions, 66484 flow [2021-03-12 01:38:25,681 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 11.272727272727273) internal successors, (248), 22 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:38:25,681 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:38:25,681 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:38:25,881 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:38:25,881 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:38:25,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:38:25,881 INFO L82 PathProgramCache]: Analyzing trace with hash -945894596, now seen corresponding path program 44 times [2021-03-12 01:38:25,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:38:25,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616203718] [2021-03-12 01:38:25,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:38:25,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:38:25,891 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-12 01:38:25,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:25,896 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-03-12 01:38:25,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:25,908 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:38:25,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:25,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:25,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:38:25,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:25,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:38:25,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:25,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:38:25,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:25,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:38:25,957 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-03-12 01:38:25,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:38:25,968 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:38:25,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:38:25,979 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:38:25,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:38:25,987 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:38:25,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616203718] [2021-03-12 01:38:25,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1432436196] [2021-03-12 01:38:25,987 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 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:38:26,001 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 01:38:26,001 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:38:26,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-12 01:38:26,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:38:26,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:26,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:26,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:26,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:26,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:26,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:26,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:26,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:26,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:26,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:26,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:26,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:26,016 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-12 01:38:26,017 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-03-12 01:38:26,017 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-12 01:38:26,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:26,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:26,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:26,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:26,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:26,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:26,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:26,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:26,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:26,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:26,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:26,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:26,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:26,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:26,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:26,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:26,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:26,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:26,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:26,059 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-12 01:38:26,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:26,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:38:26,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:38:26,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:26,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:38:26,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:38:26,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,062 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:38:26,063 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:38:26,063 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:38:26,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:38:26,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:26,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:38:26,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:38:26,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:26,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:38:26,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:38:26,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:26,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:26,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:26,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:26,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:26,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:26,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:26,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:26,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:26,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:26,120 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:38:26,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:26,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:38:26,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:38:26,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:26,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:38:26,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:38:26,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,123 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:38:26,124 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:38:26,124 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:38:26,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:38:26,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:38:26,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:38:26,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:38:26,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:38:26,152 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-12 01:38:26,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:38:26,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:26,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:38:26,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:26,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:38:26,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 01:38:26,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:26,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:26,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:26,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:26,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:26,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:26,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:26,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:26,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:26,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:26,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:26,174 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:38:26,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:38:26,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 19 [2021-03-12 01:38:26,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254750355] [2021-03-12 01:38:26,174 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-12 01:38:26,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:38:26,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-12 01:38:26,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=345, Unknown=0, NotChecked=0, Total=420 [2021-03-12 01:38:26,175 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:38:26,175 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 644 places, 1706 transitions, 66484 flow. Second operand has 21 states, 21 states have (on average 11.333333333333334) internal successors, (238), 21 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:38:26,175 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:38:26,175 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:38:26,175 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:38:30,279 INFO L129 PetriNetUnfolder]: 1995/4207 cut-off events. [2021-03-12 01:38:30,280 INFO L130 PetriNetUnfolder]: For 445318/445318 co-relation queries the response was YES. [2021-03-12 01:38:30,349 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88222 conditions, 4207 events. 1995/4207 cut-off events. For 445318/445318 co-relation queries the response was YES. Maximal size of possible extension queue 280. Compared 32379 event pairs, 433 based on Foata normal form. 4/4211 useless extension candidates. Maximal degree in co-relation 88000. Up to 3474 conditions per place. [2021-03-12 01:38:30,376 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 1368 selfloop transitions, 429 changer transitions 6/1807 dead transitions. [2021-03-12 01:38:30,377 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 672 places, 1807 transitions, 74885 flow [2021-03-12 01:38:30,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-03-12 01:38:30,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-03-12 01:38:30,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 410 transitions. [2021-03-12 01:38:30,378 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.41330645161290325 [2021-03-12 01:38:30,378 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 410 transitions. [2021-03-12 01:38:30,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 410 transitions. [2021-03-12 01:38:30,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:38:30,378 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 410 transitions. [2021-03-12 01:38:30,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 13.225806451612904) internal successors, (410), 31 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:38:30,379 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 32.0) internal successors, (1024), 32 states have internal predecessors, (1024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:38:30,379 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 32.0) internal successors, (1024), 32 states have internal predecessors, (1024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:38:30,379 INFO L185 Difference]: Start difference. First operand has 644 places, 1706 transitions, 66484 flow. Second operand 31 states and 410 transitions. [2021-03-12 01:38:30,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 672 places, 1807 transitions, 74885 flow [2021-03-12 01:38:35,601 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 663 places, 1807 transitions, 74090 flow, removed 362 selfloop flow, removed 9 redundant places. [2021-03-12 01:38:35,645 INFO L241 Difference]: Finished difference. Result has 674 places, 1775 transitions, 70556 flow [2021-03-12 01:38:35,646 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=65689, PETRI_DIFFERENCE_MINUEND_PLACES=633, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1706, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=371, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=70556, PETRI_PLACES=674, PETRI_TRANSITIONS=1775} [2021-03-12 01:38:35,646 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 657 predicate places. [2021-03-12 01:38:35,646 INFO L480 AbstractCegarLoop]: Abstraction has has 674 places, 1775 transitions, 70556 flow [2021-03-12 01:38:35,647 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.333333333333334) internal successors, (238), 21 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:38:35,647 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:38:35,647 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:38:35,859 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable133 [2021-03-12 01:38:35,859 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:38:35,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:38:35,859 INFO L82 PathProgramCache]: Analyzing trace with hash 269910728, now seen corresponding path program 45 times [2021-03-12 01:38:35,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:38:35,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945268590] [2021-03-12 01:38:35,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:38:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:38:35,867 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-12 01:38:35,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:35,873 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-03-12 01:38:35,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:35,881 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:38:35,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:35,890 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-03-12 01:38:35,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-12 01:38:35,905 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-03-12 01:38:35,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-12 01:38:35,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:35,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:38:35,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:35,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-12 01:38:35,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:35,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:38:35,950 INFO L142 QuantifierPusher]: treesize reduction 14, result has 53.3 percent of original size [2021-03-12 01:38:35,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:35,960 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:38:35,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:38:35,967 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:38:35,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945268590] [2021-03-12 01:38:35,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1681581409] [2021-03-12 01:38:35,967 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 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 [2021-03-12 01:38:35,980 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-03-12 01:38:35,981 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:38:35,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-12 01:38:35,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:38:35,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:35,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:35,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:35,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:35,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:35,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:35,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:35,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:35,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:35,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:35,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:35,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:35,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:35,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:35,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:35,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:35,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:35,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:35,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:35,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:35,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:35,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:35,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:35,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:35,996 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-12 01:38:35,996 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-03-12 01:38:35,997 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-12 01:38:35,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:35,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:35,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:35,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:35,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:36,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:36,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:36,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:36,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:36,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:36,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:36,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:36,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:36,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:36,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:36,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:36,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:36,024 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-12 01:38:36,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:36,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:38:36,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:38:36,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:36,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:38:36,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:38:36,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,027 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:38:36,027 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:38:36,028 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:38:36,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:38:36,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:36,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:36,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:36,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:36,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:36,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:36,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:36,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:36,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:36,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:38:36,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:38:36,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:36,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:38:36,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:38:36,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:36,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:36,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:36,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:36,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:36,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:36,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:36,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:36,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:36,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:36,099 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:38:36,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:36,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:38:36,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:38:36,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:36,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:38:36,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:38:36,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,102 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:38:36,102 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:38:36,103 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:38:36,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:38:36,129 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-12 01:38:36,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:38:36,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:36,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:38:36,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:36,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:38:36,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 01:38:36,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:36,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:36,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:36,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:36,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:36,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:36,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:36,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:36,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:36,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:36,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:36,150 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:38:36,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:38:36,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 19 [2021-03-12 01:38:36,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615220775] [2021-03-12 01:38:36,151 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-03-12 01:38:36,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:38:36,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-03-12 01:38:36,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2021-03-12 01:38:36,151 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:38:36,151 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 674 places, 1775 transitions, 70556 flow. Second operand has 21 states, 21 states have (on average 11.333333333333334) internal successors, (238), 21 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:38:36,151 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:38:36,151 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:38:36,151 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:38:40,317 INFO L129 PetriNetUnfolder]: 2097/4409 cut-off events. [2021-03-12 01:38:40,317 INFO L130 PetriNetUnfolder]: For 461962/461962 co-relation queries the response was YES. [2021-03-12 01:38:40,388 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93908 conditions, 4409 events. 2097/4409 cut-off events. For 461962/461962 co-relation queries the response was YES. Maximal size of possible extension queue 295. Compared 34185 event pairs, 687 based on Foata normal form. 2/4411 useless extension candidates. Maximal degree in co-relation 93676. Up to 3801 conditions per place. [2021-03-12 01:38:40,416 INFO L132 encePairwiseOnDemand]: 24/32 looper letters, 1655 selfloop transitions, 245 changer transitions 5/1909 dead transitions. [2021-03-12 01:38:40,416 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 701 places, 1909 transitions, 81347 flow [2021-03-12 01:38:40,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 01:38:40,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-03-12 01:38:40,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 400 transitions. [2021-03-12 01:38:40,417 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4166666666666667 [2021-03-12 01:38:40,417 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 400 transitions. [2021-03-12 01:38:40,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 400 transitions. [2021-03-12 01:38:40,417 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:38:40,417 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 400 transitions. [2021-03-12 01:38:40,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 13.333333333333334) internal successors, (400), 30 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:38:40,418 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 32.0) internal successors, (992), 31 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:38:40,418 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 32.0) internal successors, (992), 31 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:38:40,418 INFO L185 Difference]: Start difference. First operand has 674 places, 1775 transitions, 70556 flow. Second operand 30 states and 400 transitions. [2021-03-12 01:38:40,418 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 701 places, 1909 transitions, 81347 flow [2021-03-12 01:38:46,341 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 681 places, 1909 transitions, 80497 flow, removed 389 selfloop flow, removed 20 redundant places. [2021-03-12 01:38:46,389 INFO L241 Difference]: Finished difference. Result has 694 places, 1844 transitions, 74279 flow [2021-03-12 01:38:46,390 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=69752, PETRI_DIFFERENCE_MINUEND_PLACES=652, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1775, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=182, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1545, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=74279, PETRI_PLACES=694, PETRI_TRANSITIONS=1844} [2021-03-12 01:38:46,390 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 677 predicate places. [2021-03-12 01:38:46,390 INFO L480 AbstractCegarLoop]: Abstraction has has 694 places, 1844 transitions, 74279 flow [2021-03-12 01:38:46,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 11.333333333333334) internal successors, (238), 21 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:38:46,391 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:38:46,391 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:38:46,591 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable136 [2021-03-12 01:38:46,591 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:38:46,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:38:46,591 INFO L82 PathProgramCache]: Analyzing trace with hash -1031659236, now seen corresponding path program 46 times [2021-03-12 01:38:46,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:38:46,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678200899] [2021-03-12 01:38:46,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:38:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:38:46,601 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-12 01:38:46,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:46,607 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-03-12 01:38:46,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:46,616 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:38:46,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:46,626 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-03-12 01:38:46,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-12 01:38:46,643 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size [2021-03-12 01:38:46,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-12 01:38:46,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:38:46,671 INFO L142 QuantifierPusher]: treesize reduction 13, result has 65.8 percent of original size [2021-03-12 01:38:46,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:38:46,684 INFO L142 QuantifierPusher]: treesize reduction 13, result has 64.9 percent of original size [2021-03-12 01:38:46,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-12 01:38:46,697 INFO L142 QuantifierPusher]: treesize reduction 14, result has 53.3 percent of original size [2021-03-12 01:38:46,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:46,708 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:38:46,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:38:46,716 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:38:46,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678200899] [2021-03-12 01:38:46,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [782812462] [2021-03-12 01:38:46,717 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-12 01:38:46,731 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 01:38:46,732 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:38:46,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-12 01:38:46,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:38:46,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:46,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:46,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:46,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:46,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:46,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:46,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:46,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:46,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:46,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:46,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:46,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:46,747 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-12 01:38:46,748 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-03-12 01:38:46,748 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-12 01:38:46,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:46,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:46,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:46,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:46,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:46,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:46,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:46,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:46,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:46,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:46,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:46,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:46,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:46,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:46,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:46,780 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-12 01:38:46,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:46,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:38:46,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:38:46,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:46,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:38:46,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:38:46,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,783 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:38:46,783 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:38:46,784 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:38:46,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:38:46,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:46,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:46,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:46,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:38:46,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:46,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:46,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:46,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:46,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:46,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:38:46,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:38:46,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:46,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 01:38:46,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:38:46,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:46,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:46,846 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:38:46,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:46,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:38:46,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:38:46,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,848 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:46,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:38:46,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:38:46,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,850 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:38:46,850 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:38:46,851 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:38:46,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:38:46,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:38:46,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:38:46,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:38:46,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:38:46,893 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-12 01:38:46,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:38:46,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:46,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:38:46,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:38:46,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:46,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:38:46,910 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-12 01:38:46,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:38:46,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:46,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:38:46,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:38:46,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:46,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:46,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:46,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:46,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:46,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:46,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:46,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:46,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:46,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:46,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:38:46,932 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:38:46,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:38:46,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-03-12 01:38:46,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525796667] [2021-03-12 01:38:46,932 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-03-12 01:38:46,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:38:46,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-03-12 01:38:46,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2021-03-12 01:38:46,932 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:38:46,933 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 694 places, 1844 transitions, 74279 flow. Second operand has 22 states, 22 states have (on average 11.272727272727273) internal successors, (248), 22 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:38:46,933 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:38:46,933 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:38:46,933 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:38:51,069 INFO L129 PetriNetUnfolder]: 2143/4502 cut-off events. [2021-03-12 01:38:51,069 INFO L130 PetriNetUnfolder]: For 495660/495660 co-relation queries the response was YES. [2021-03-12 01:38:51,147 INFO L84 FinitePrefix]: Finished finitePrefix Result has 98051 conditions, 4502 events. 2143/4502 cut-off events. For 495660/495660 co-relation queries the response was YES. Maximal size of possible extension queue 309. Compared 35083 event pairs, 673 based on Foata normal form. 2/4504 useless extension candidates. Maximal degree in co-relation 97811. Up to 4143 conditions per place. [2021-03-12 01:38:51,176 INFO L132 encePairwiseOnDemand]: 24/32 looper letters, 1694 selfloop transitions, 202 changer transitions 7/1907 dead transitions. [2021-03-12 01:38:51,176 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 718 places, 1907 transitions, 82058 flow [2021-03-12 01:38:51,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-12 01:38:51,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-03-12 01:38:51,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 351 transitions. [2021-03-12 01:38:51,177 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.40625 [2021-03-12 01:38:51,177 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 351 transitions. [2021-03-12 01:38:51,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 351 transitions. [2021-03-12 01:38:51,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:38:51,177 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 351 transitions. [2021-03-12 01:38:51,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 13.0) internal successors, (351), 27 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:38:51,178 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 32.0) internal successors, (896), 28 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:38:51,178 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 32.0) internal successors, (896), 28 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:38:51,178 INFO L185 Difference]: Start difference. First operand has 694 places, 1844 transitions, 74279 flow. Second operand 27 states and 351 transitions. [2021-03-12 01:38:51,178 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 718 places, 1907 transitions, 82058 flow [2021-03-12 01:38:57,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 704 places, 1907 transitions, 81016 flow, removed 494 selfloop flow, removed 14 redundant places. [2021-03-12 01:38:57,746 INFO L241 Difference]: Finished difference. Result has 714 places, 1880 transitions, 76323 flow [2021-03-12 01:38:57,747 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=73279, PETRI_DIFFERENCE_MINUEND_PLACES=678, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1844, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=172, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1653, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=76323, PETRI_PLACES=714, PETRI_TRANSITIONS=1880} [2021-03-12 01:38:57,747 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 697 predicate places. [2021-03-12 01:38:57,747 INFO L480 AbstractCegarLoop]: Abstraction has has 714 places, 1880 transitions, 76323 flow [2021-03-12 01:38:57,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 11.272727272727273) internal successors, (248), 22 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:38:57,747 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:38:57,747 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:38:57,948 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable139 [2021-03-12 01:38:57,948 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:38:57,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:38:57,948 INFO L82 PathProgramCache]: Analyzing trace with hash -240070442, now seen corresponding path program 47 times [2021-03-12 01:38:57,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:38:57,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801407877] [2021-03-12 01:38:57,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:38:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:38:57,968 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.0 percent of original size [2021-03-12 01:38:57,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:38:57,974 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-03-12 01:38:57,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:38:57,985 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.0 percent of original size [2021-03-12 01:38:57,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-12 01:38:57,989 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.2 percent of original size [2021-03-12 01:38:57,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-12 01:38:58,006 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.7 percent of original size [2021-03-12 01:38:58,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-12 01:38:58,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:38:58,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:38:58,047 INFO L142 QuantifierPusher]: treesize reduction 59, result has 35.9 percent of original size [2021-03-12 01:38:58,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-12 01:38:58,064 INFO L142 QuantifierPusher]: treesize reduction 40, result has 23.1 percent of original size [2021-03-12 01:38:58,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:38:58,072 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:38:58,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801407877] [2021-03-12 01:38:58,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985195964] [2021-03-12 01:38:58,072 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-12 01:38:58,086 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-03-12 01:38:58,086 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:38:58,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 18 conjunts are in the unsatisfiable core [2021-03-12 01:38:58,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:38:58,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:58,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:58,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:58,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:58,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:58,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:58,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:58,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:58,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:58,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:58,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:58,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:38:58,103 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-12 01:38:58,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:58,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:58,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:58,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:58,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:58,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:58,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:58,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:38:58,117 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-12 01:38:58,118 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size 32 [2021-03-12 01:38:58,118 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-12 01:38:58,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:38:58,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:38:58,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:38:58,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:38:58,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:38:58,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:38:58,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:38:58,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-12 01:38:58,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-12 01:38:58,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-12 01:38:58,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-12 01:38:58,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-12 01:38:58,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-12 01:38:58,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-12 01:38:58,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-12 01:38:58,166 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.3 percent of original size [2021-03-12 01:38:58,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:58,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-12 01:38:58,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-12 01:38:58,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:58,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-12 01:38:58,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-12 01:38:58,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,171 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:38:58,171 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:38:58,172 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,173 INFO L147 QuantifierPusher]: treesize reduction 4, result has 94.5 percent of original size 69 [2021-03-12 01:38:58,173 INFO L142 QuantifierPusher]: treesize reduction 4, result has 94.5 percent of original size [2021-03-12 01:38:58,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-12 01:38:58,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:38:58,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:38:58,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:38:58,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:38:58,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:38:58,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:38:58,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:38:58,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:38:58,245 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-12 01:38:58,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:38:58,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:58,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:38:58,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:38:58,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:38:58,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:38:58,284 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.4 percent of original size [2021-03-12 01:38:58,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:58,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 01:38:58,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-12 01:38:58,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:58,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 01:38:58,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-12 01:38:58,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,288 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:38:58,288 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:38:58,289 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,289 INFO L147 QuantifierPusher]: treesize reduction 4, result has 94.7 percent of original size 71 [2021-03-12 01:38:58,290 INFO L142 QuantifierPusher]: treesize reduction 4, result has 94.7 percent of original size [2021-03-12 01:38:58,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-12 01:38:58,347 INFO L142 QuantifierPusher]: treesize reduction 6, result has 89.1 percent of original size [2021-03-12 01:38:58,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-12 01:38:58,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:38:58,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:38:58,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-12 01:38:58,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,350 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 1] term [2021-03-12 01:38:58,350 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-12 01:38:58,351 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:38:58,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:38:58,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:38:58,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:38:58,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:38:58,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:38:58,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:38:58,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:38:58,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:38:58,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:38:58,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:38:58,400 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:38:58,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:38:58,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 17 [2021-03-12 01:38:58,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273609427] [2021-03-12 01:38:58,400 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-12 01:38:58,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:38:58,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-12 01:38:58,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2021-03-12 01:38:58,401 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:38:58,401 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 714 places, 1880 transitions, 76323 flow. Second operand has 19 states, 19 states have (on average 11.473684210526315) internal successors, (218), 19 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:38:58,401 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:38:58,401 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:38:58,401 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:39:02,771 INFO L129 PetriNetUnfolder]: 2141/4497 cut-off events. [2021-03-12 01:39:02,772 INFO L130 PetriNetUnfolder]: For 504179/504179 co-relation queries the response was YES. [2021-03-12 01:39:02,851 INFO L84 FinitePrefix]: Finished finitePrefix Result has 98993 conditions, 4497 events. 2141/4497 cut-off events. For 504179/504179 co-relation queries the response was YES. Maximal size of possible extension queue 316. Compared 35042 event pairs, 735 based on Foata normal form. 2/4499 useless extension candidates. Maximal degree in co-relation 98744. Up to 4327 conditions per place. [2021-03-12 01:39:02,882 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 1797 selfloop transitions, 87 changer transitions 13/1901 dead transitions. [2021-03-12 01:39:02,882 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 728 places, 1901 transitions, 81518 flow [2021-03-12 01:39:02,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 01:39:02,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-12 01:39:02,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 221 transitions. [2021-03-12 01:39:02,883 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.40625 [2021-03-12 01:39:02,883 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 221 transitions. [2021-03-12 01:39:02,883 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 221 transitions. [2021-03-12 01:39:02,884 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:39:02,884 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 221 transitions. [2021-03-12 01:39:02,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 13.0) internal successors, (221), 17 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:39:02,884 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 32.0) internal successors, (576), 18 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:39:02,884 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 32.0) internal successors, (576), 18 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:39:02,884 INFO L185 Difference]: Start difference. First operand has 714 places, 1880 transitions, 76323 flow. Second operand 17 states and 221 transitions. [2021-03-12 01:39:02,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 728 places, 1901 transitions, 81518 flow [2021-03-12 01:39:09,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 713 places, 1901 transitions, 80601 flow, removed 427 selfloop flow, removed 15 redundant places. [2021-03-12 01:39:09,836 INFO L241 Difference]: Finished difference. Result has 718 places, 1878 transitions, 75631 flow [2021-03-12 01:39:09,837 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=75406, PETRI_DIFFERENCE_MINUEND_PLACES=697, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1880, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=87, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1793, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=75631, PETRI_PLACES=718, PETRI_TRANSITIONS=1878} [2021-03-12 01:39:09,837 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 701 predicate places. [2021-03-12 01:39:09,837 INFO L480 AbstractCegarLoop]: Abstraction has has 718 places, 1878 transitions, 75631 flow [2021-03-12 01:39:09,837 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 11.473684210526315) internal successors, (218), 19 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:39:09,837 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:39:09,837 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:39:10,043 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable142 [2021-03-12 01:39:10,043 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:39:10,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:39:10,043 INFO L82 PathProgramCache]: Analyzing trace with hash 463450850, now seen corresponding path program 48 times [2021-03-12 01:39:10,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:39:10,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792269243] [2021-03-12 01:39:10,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:39:10,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:39:10,051 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:39:10,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:39:10,060 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-12 01:39:10,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:39:10,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:10,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:10,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:39:10,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:39:10,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:39:10,111 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-12 01:39:10,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:39:10,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:39:10,123 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-12 01:39:10,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:39:10,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:39:10,124 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-12 01:39:10,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:39:10,135 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:39:10,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:10,147 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:39:10,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:39:10,156 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-03-12 01:39:10,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792269243] [2021-03-12 01:39:10,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096106245] [2021-03-12 01:39:10,156 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-12 01:39:10,183 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-03-12 01:39:10,183 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:39:10,184 WARN L261 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 25 conjunts are in the unsatisfiable core [2021-03-12 01:39:10,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:39:10,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:10,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:10,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:10,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:39:10,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:10,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:10,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:10,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:10,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:10,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:10,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:10,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:10,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:10,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:10,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:10,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:10,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:39:10,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:39:10,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:39:10,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:39:10,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:39:10,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:39:10,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:39:10,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:39:10,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:10,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:10,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:10,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:10,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:10,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:10,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:10,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:10,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:10,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:10,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:10,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:10,270 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:39:10,270 INFO L147 QuantifierPusher]: treesize reduction 23, result has 46.5 percent of original size 20 [2021-03-12 01:39:10,271 INFO L142 QuantifierPusher]: treesize reduction 23, result has 46.5 percent of original size [2021-03-12 01:39:10,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:10,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:10,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:10,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:39:10,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:39:10,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:39:10,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:39:10,306 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:39:10,306 INFO L147 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size 18 [2021-03-12 01:39:10,306 INFO L142 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size [2021-03-12 01:39:10,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:39:10,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:39:10,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:39:10,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:39:10,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:39:10,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:39:10,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:39:10,335 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:39:10,335 INFO L147 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size 20 [2021-03-12 01:39:10,335 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-03-12 01:39:10,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:10,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:10,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:10,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:39:10,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:39:10,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:39:10,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:39:10,375 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-12 01:39:10,375 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size 44 [2021-03-12 01:39:10,376 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-03-12 01:39:10,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:39:10,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:39:10,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:39:10,406 INFO L142 QuantifierPusher]: treesize reduction 9, result has 82.7 percent of original size [2021-03-12 01:39:10,407 INFO L147 QuantifierPusher]: treesize reduction 17, result has 60.5 percent of original size 26 [2021-03-12 01:39:10,407 INFO L142 QuantifierPusher]: treesize reduction 17, result has 61.4 percent of original size [2021-03-12 01:39:10,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:39:10,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:39:10,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:39:10,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:39:10,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:39:10,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:39:10,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:39:10,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:39:10,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:39:10,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:39:10,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:39:10,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:39:10,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:10,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:39:10,430 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:39:10,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:39:10,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 22 [2021-03-12 01:39:10,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343554382] [2021-03-12 01:39:10,431 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-03-12 01:39:10,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:39:10,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-03-12 01:39:10,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=485, Unknown=0, NotChecked=0, Total=552 [2021-03-12 01:39:10,431 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:39:10,431 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 718 places, 1878 transitions, 75631 flow. Second operand has 24 states, 24 states have (on average 11.25) internal successors, (270), 24 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:39:10,431 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:39:10,431 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:39:10,431 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:39:15,266 INFO L129 PetriNetUnfolder]: 2150/4523 cut-off events. [2021-03-12 01:39:15,267 INFO L130 PetriNetUnfolder]: For 514993/514993 co-relation queries the response was YES. [2021-03-12 01:39:15,341 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99371 conditions, 4523 events. 2150/4523 cut-off events. For 514993/514993 co-relation queries the response was YES. Maximal size of possible extension queue 324. Compared 35366 event pairs, 739 based on Foata normal form. 2/4525 useless extension candidates. Maximal degree in co-relation 99118. Up to 4410 conditions per place. [2021-03-12 01:39:15,370 INFO L132 encePairwiseOnDemand]: 24/32 looper letters, 1846 selfloop transitions, 38 changer transitions 39/1927 dead transitions. [2021-03-12 01:39:15,370 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 739 places, 1927 transitions, 82289 flow [2021-03-12 01:39:15,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 01:39:15,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-03-12 01:39:15,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 360 transitions. [2021-03-12 01:39:15,371 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4017857142857143 [2021-03-12 01:39:15,371 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 360 transitions. [2021-03-12 01:39:15,371 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 360 transitions. [2021-03-12 01:39:15,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:39:15,371 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 360 transitions. [2021-03-12 01:39:15,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 12.857142857142858) internal successors, (360), 28 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) [2021-03-12 01:39:15,372 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 32.0) internal successors, (928), 29 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:39:15,373 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 32.0) internal successors, (928), 29 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:39:15,373 INFO L185 Difference]: Start difference. First operand has 718 places, 1878 transitions, 75631 flow. Second operand 28 states and 360 transitions. [2021-03-12 01:39:15,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 739 places, 1927 transitions, 82289 flow [2021-03-12 01:39:22,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 725 places, 1927 transitions, 82144 flow, removed 28 selfloop flow, removed 14 redundant places. [2021-03-12 01:39:22,385 INFO L241 Difference]: Finished difference. Result has 738 places, 1877 transitions, 75870 flow [2021-03-12 01:39:22,386 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=75504, PETRI_DIFFERENCE_MINUEND_PLACES=698, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1878, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1842, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=75870, PETRI_PLACES=738, PETRI_TRANSITIONS=1877} [2021-03-12 01:39:22,386 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 721 predicate places. [2021-03-12 01:39:22,386 INFO L480 AbstractCegarLoop]: Abstraction has has 738 places, 1877 transitions, 75870 flow [2021-03-12 01:39:22,386 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 11.25) internal successors, (270), 24 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:39:22,386 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:39:22,386 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:39:22,591 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:39:22,591 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:39:22,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:39:22,591 INFO L82 PathProgramCache]: Analyzing trace with hash 989701330, now seen corresponding path program 49 times [2021-03-12 01:39:22,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:39:22,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165358185] [2021-03-12 01:39:22,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:39:22,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:39:22,601 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:39:22,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:39:22,607 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-12 01:39:22,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:39:22,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:22,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:22,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:39:22,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:39:22,646 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-12 01:39:22,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:39:22,658 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-12 01:39:22,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:39:22,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:39:22,678 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-12 01:39:22,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:39:22,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:39:22,679 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-12 01:39:22,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:39:22,693 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:39:22,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:22,705 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:39:22,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:39:22,714 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-12 01:39:22,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165358185] [2021-03-12 01:39:22,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687375495] [2021-03-12 01:39:22,715 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-12 01:39:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:39:22,728 WARN L261 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 25 conjunts are in the unsatisfiable core [2021-03-12 01:39:22,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:39:22,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:22,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:22,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:22,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:22,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:22,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:22,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:22,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:22,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:22,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:22,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:22,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:22,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:22,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:22,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:22,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:22,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:39:22,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:39:22,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:39:22,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:39:22,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:39:22,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:39:22,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:39:22,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:39:22,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:22,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:22,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:22,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:22,790 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:39:22,791 INFO L147 QuantifierPusher]: treesize reduction 23, result has 46.5 percent of original size 20 [2021-03-12 01:39:22,791 INFO L142 QuantifierPusher]: treesize reduction 23, result has 46.5 percent of original size [2021-03-12 01:39:22,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:22,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:22,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:22,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:22,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:22,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:22,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:22,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:39:22,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:39:22,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:39:22,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:39:22,839 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-12 01:39:22,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:39:22,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:39:22,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:39:22,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:39:22,858 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-03-12 01:39:22,858 INFO L147 QuantifierPusher]: treesize reduction 25, result has 45.7 percent of original size 21 [2021-03-12 01:39:22,859 INFO L142 QuantifierPusher]: treesize reduction 25, result has 45.7 percent of original size [2021-03-12 01:39:22,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:39:22,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:39:22,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:39:22,876 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-03-12 01:39:22,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-12 01:39:22,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-12 01:39:22,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-12 01:39:22,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-12 01:39:22,890 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:39:22,890 INFO L147 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size 23 [2021-03-12 01:39:22,890 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-03-12 01:39:22,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:39:22,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:39:22,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:39:22,910 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-12 01:39:22,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:39:22,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,911 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:39:22,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:39:22,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:39:22,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:39:22,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:39:22,934 INFO L142 QuantifierPusher]: treesize reduction 16, result has 64.4 percent of original size [2021-03-12 01:39:22,935 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-12 01:39:22,935 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-12 01:39:22,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:39:22,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:39:22,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:39:22,953 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-12 01:39:22,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:39:22,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:39:22,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:39:22,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:39:22,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:39:22,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:39:22,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:39:22,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:39:22,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:39:22,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:39:22,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:39:22,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:22,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:39:22,975 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:39:22,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:39:22,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 24 [2021-03-12 01:39:22,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832630948] [2021-03-12 01:39:22,976 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-03-12 01:39:22,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:39:22,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-03-12 01:39:22,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=553, Unknown=0, NotChecked=0, Total=650 [2021-03-12 01:39:22,976 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:39:22,977 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 738 places, 1877 transitions, 75870 flow. Second operand has 26 states, 26 states have (on average 11.192307692307692) internal successors, (291), 26 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:39:22,977 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:39:22,977 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:39:22,977 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:39:27,943 INFO L129 PetriNetUnfolder]: 2204/4639 cut-off events. [2021-03-12 01:39:27,944 INFO L130 PetriNetUnfolder]: For 684718/684718 co-relation queries the response was YES. [2021-03-12 01:39:28,021 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106546 conditions, 4639 events. 2204/4639 cut-off events. For 684718/684718 co-relation queries the response was YES. Maximal size of possible extension queue 335. Compared 36927 event pairs, 297 based on Foata normal form. 2/4641 useless extension candidates. Maximal degree in co-relation 106286. Up to 3333 conditions per place. [2021-03-12 01:39:28,054 INFO L132 encePairwiseOnDemand]: 24/32 looper letters, 1107 selfloop transitions, 826 changer transitions 78/2015 dead transitions. [2021-03-12 01:39:28,054 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 742 places, 2015 transitions, 86285 flow [2021-03-12 01:39:28,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 01:39:28,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-03-12 01:39:28,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 318 transitions. [2021-03-12 01:39:28,055 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.3975 [2021-03-12 01:39:28,055 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 318 transitions. [2021-03-12 01:39:28,055 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 318 transitions. [2021-03-12 01:39:28,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:39:28,055 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 318 transitions. [2021-03-12 01:39:28,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 12.72) internal successors, (318), 25 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:39:28,056 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 32.0) internal successors, (832), 26 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:39:28,056 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 32.0) internal successors, (832), 26 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:39:28,056 INFO L185 Difference]: Start difference. First operand has 738 places, 1877 transitions, 75870 flow. Second operand 25 states and 318 transitions. [2021-03-12 01:39:28,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 742 places, 2015 transitions, 86285 flow [2021-03-12 01:39:34,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 725 places, 2015 transitions, 85704 flow, removed 270 selfloop flow, removed 17 redundant places. [2021-03-12 01:39:34,914 INFO L241 Difference]: Finished difference. Result has 736 places, 1914 transitions, 79853 flow [2021-03-12 01:39:34,915 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=75539, PETRI_DIFFERENCE_MINUEND_PLACES=701, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1877, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=773, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1081, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=79853, PETRI_PLACES=736, PETRI_TRANSITIONS=1914} [2021-03-12 01:39:34,915 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 719 predicate places. [2021-03-12 01:39:34,915 INFO L480 AbstractCegarLoop]: Abstraction has has 736 places, 1914 transitions, 79853 flow [2021-03-12 01:39:34,915 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 11.192307692307692) internal successors, (291), 26 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:39:34,915 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:39:34,915 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:39:35,115 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable147 [2021-03-12 01:39:35,116 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:39:35,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:39:35,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1674186116, now seen corresponding path program 50 times [2021-03-12 01:39:35,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:39:35,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42114017] [2021-03-12 01:39:35,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:39:35,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:39:35,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,132 INFO L142 QuantifierPusher]: treesize reduction 6, result has 53.8 percent of original size [2021-03-12 01:39:35,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:39:35,136 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-03-12 01:39:35,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:39:35,141 INFO L142 QuantifierPusher]: treesize reduction 6, result has 53.8 percent of original size [2021-03-12 01:39:35,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:39:35,142 INFO L142 QuantifierPusher]: treesize reduction 1, result has 87.5 percent of original size [2021-03-12 01:39:35,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 01:39:35,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:39:35,147 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 01:39:35,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42114017] [2021-03-12 01:39:35,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823853632] [2021-03-12 01:39:35,148 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:39:35,186 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 01:39:35,186 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:39:35,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-12 01:39:35,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:39:35,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:39:35,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:39:35,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:39:35,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:39:35,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:39:35,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:39:35,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:39:35,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:39:35,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:39:35,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:39:35,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:39:35,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:39:35,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:39:35,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:39:35,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:39:35,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:39:35,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:39:35,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:39:35,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,212 INFO L142 QuantifierPusher]: treesize reduction 16, result has 48.4 percent of original size [2021-03-12 01:39:35,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,214 INFO L142 QuantifierPusher]: treesize reduction 8, result has 27.3 percent of original size [2021-03-12 01:39:35,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,216 INFO L142 QuantifierPusher]: treesize reduction 16, result has 48.4 percent of original size [2021-03-12 01:39:35,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,217 INFO L142 QuantifierPusher]: treesize reduction 8, result has 27.3 percent of original size [2021-03-12 01:39:35,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,219 INFO L142 QuantifierPusher]: treesize reduction 16, result has 48.4 percent of original size [2021-03-12 01:39:35,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:39:35,222 INFO L142 QuantifierPusher]: treesize reduction 11, result has 8.3 percent of original size [2021-03-12 01:39:35,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:39:35,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:39:35,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:39:35,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:39:35,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:39:35,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:39:35,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:39:35,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:39:35,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:39:35,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:35,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:39:35,226 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-12 01:39:35,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:39:35,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 8 [2021-03-12 01:39:35,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35272901] [2021-03-12 01:39:35,226 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-12 01:39:35,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:39:35,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-12 01:39:35,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2021-03-12 01:39:35,226 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 32 [2021-03-12 01:39:35,226 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 736 places, 1914 transitions, 79853 flow. Second operand has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 9 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) [2021-03-12 01:39:35,226 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:39:35,226 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 32 [2021-03-12 01:39:35,226 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:39:41,209 INFO L129 PetriNetUnfolder]: 3030/6487 cut-off events. [2021-03-12 01:39:41,209 INFO L130 PetriNetUnfolder]: For 1042029/1042029 co-relation queries the response was YES. [2021-03-12 01:39:41,325 INFO L84 FinitePrefix]: Finished finitePrefix Result has 152837 conditions, 6487 events. 3030/6487 cut-off events. For 1042029/1042029 co-relation queries the response was YES. Maximal size of possible extension queue 475. Compared 55236 event pairs, 224 based on Foata normal form. 6/6493 useless extension candidates. Maximal degree in co-relation 152576. Up to 2456 conditions per place. [2021-03-12 01:39:41,369 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 705 selfloop transitions, 2467 changer transitions 1/3178 dead transitions. [2021-03-12 01:39:41,369 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 729 places, 3178 transitions, 135718 flow [2021-03-12 01:39:41,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 01:39:41,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-12 01:39:41,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 206 transitions. [2021-03-12 01:39:41,370 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5364583333333334 [2021-03-12 01:39:41,370 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 206 transitions. [2021-03-12 01:39:41,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 206 transitions. [2021-03-12 01:39:41,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:39:41,370 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 206 transitions. [2021-03-12 01:39:41,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 17.166666666666668) internal successors, (206), 12 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) [2021-03-12 01:39:41,371 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 32.0) internal successors, (416), 13 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:39:41,371 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 32.0) internal successors, (416), 13 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:39:41,371 INFO L185 Difference]: Start difference. First operand has 736 places, 1914 transitions, 79853 flow. Second operand 12 states and 206 transitions. [2021-03-12 01:39:41,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 729 places, 3178 transitions, 135718 flow [2021-03-12 01:39:50,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 710 places, 3178 transitions, 134070 flow, removed 263 selfloop flow, removed 19 redundant places. [2021-03-12 01:39:50,288 INFO L241 Difference]: Finished difference. Result has 719 places, 3025 transitions, 131876 flow [2021-03-12 01:39:50,289 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=78793, PETRI_DIFFERENCE_MINUEND_PLACES=699, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1914, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1510, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=131876, PETRI_PLACES=719, PETRI_TRANSITIONS=3025} [2021-03-12 01:39:50,289 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 702 predicate places. [2021-03-12 01:39:50,290 INFO L480 AbstractCegarLoop]: Abstraction has has 719 places, 3025 transitions, 131876 flow [2021-03-12 01:39:50,290 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 9 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) [2021-03-12 01:39:50,290 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:39:50,290 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:39:50,490 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable148 [2021-03-12 01:39:50,490 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:39:50,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:39:50,490 INFO L82 PathProgramCache]: Analyzing trace with hash 424945246, now seen corresponding path program 51 times [2021-03-12 01:39:50,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:39:50,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363984922] [2021-03-12 01:39:50,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:39:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:39:50,502 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:39:50,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:39:50,508 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-12 01:39:50,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:39:50,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:50,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:50,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:50,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:39:50,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:39:50,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:39:50,563 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-12 01:39:50,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:39:50,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:39:50,575 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-12 01:39:50,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:39:50,586 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:39:50,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:50,599 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:39:50,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:39:50,608 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 01:39:50,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363984922] [2021-03-12 01:39:50,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344244963] [2021-03-12 01:39:50,608 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 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 [2021-03-12 01:39:50,623 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-03-12 01:39:50,623 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:39:50,624 WARN L261 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 24 conjunts are in the unsatisfiable core [2021-03-12 01:39:50,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:39:50,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:50,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:50,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:50,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:50,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:50,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:50,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:50,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:50,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:50,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:50,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:50,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:50,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:50,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:50,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:50,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:39:50,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:39:50,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:39:50,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:39:50,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:39:50,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:39:50,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:39:50,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:39:50,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:39:50,671 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-03-12 01:39:50,671 INFO L147 QuantifierPusher]: treesize reduction 6, result has 71.4 percent of original size 15 [2021-03-12 01:39:50,671 INFO L142 QuantifierPusher]: treesize reduction 6, result has 71.4 percent of original size [2021-03-12 01:39:50,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:39:50,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:39:50,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:39:50,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:50,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:50,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:50,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:50,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:50,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:50,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:50,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:50,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:50,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:50,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:50,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:50,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:50,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:50,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:50,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:50,722 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.0 percent of original size [2021-03-12 01:39:50,723 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size 18 [2021-03-12 01:39:50,723 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-03-12 01:39:50,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:39:50,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:39:50,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:39:50,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:39:50,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:39:50,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:39:50,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:39:50,751 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:39:50,752 INFO L147 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size 20 [2021-03-12 01:39:50,752 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-03-12 01:39:50,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:50,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:50,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:39:50,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:39:50,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:39:50,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:39:50,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:39:50,792 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-12 01:39:50,793 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size 44 [2021-03-12 01:39:50,793 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-03-12 01:39:50,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:39:50,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:39:50,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:39:50,824 INFO L142 QuantifierPusher]: treesize reduction 9, result has 82.7 percent of original size [2021-03-12 01:39:50,824 INFO L147 QuantifierPusher]: treesize reduction 17, result has 60.5 percent of original size 26 [2021-03-12 01:39:50,825 INFO L142 QuantifierPusher]: treesize reduction 17, result has 61.4 percent of original size [2021-03-12 01:39:50,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:39:50,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:39:50,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:39:50,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:39:50,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:39:50,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:39:50,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:39:50,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:39:50,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:39:50,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:39:50,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:39:50,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:39:50,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:39:50,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:39:50,848 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:39:50,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:39:50,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 23 [2021-03-12 01:39:50,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59177469] [2021-03-12 01:39:50,849 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-03-12 01:39:50,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:39:50,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-03-12 01:39:50,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=524, Unknown=0, NotChecked=0, Total=600 [2021-03-12 01:39:50,849 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:39:50,849 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 719 places, 3025 transitions, 131876 flow. Second operand has 25 states, 25 states have (on average 11.28) internal successors, (282), 25 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:39:50,849 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:39:50,849 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:39:50,849 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:40:00,511 INFO L129 PetriNetUnfolder]: 3039/6523 cut-off events. [2021-03-12 01:40:00,512 INFO L130 PetriNetUnfolder]: For 960933/960933 co-relation queries the response was YES. [2021-03-12 01:40:00,622 INFO L84 FinitePrefix]: Finished finitePrefix Result has 156713 conditions, 6523 events. 3039/6523 cut-off events. For 960933/960933 co-relation queries the response was YES. Maximal size of possible extension queue 477. Compared 55656 event pairs, 622 based on Foata normal form. 2/6525 useless extension candidates. Maximal degree in co-relation 156454. Up to 6414 conditions per place. [2021-03-12 01:40:00,666 INFO L132 encePairwiseOnDemand]: 24/32 looper letters, 2989 selfloop transitions, 44 changer transitions 34/3071 dead transitions. [2021-03-12 01:40:00,666 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 744 places, 3071 transitions, 140923 flow [2021-03-12 01:40:00,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-12 01:40:00,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-12 01:40:00,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 334 transitions. [2021-03-12 01:40:00,667 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4014423076923077 [2021-03-12 01:40:00,667 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 334 transitions. [2021-03-12 01:40:00,667 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 334 transitions. [2021-03-12 01:40:00,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:40:00,667 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 334 transitions. [2021-03-12 01:40:00,668 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 12.846153846153847) internal successors, (334), 26 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:40:00,668 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 32.0) internal successors, (864), 27 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:40:00,668 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 32.0) internal successors, (864), 27 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:40:00,668 INFO L185 Difference]: Start difference. First operand has 719 places, 3025 transitions, 131876 flow. Second operand 26 states and 334 transitions. [2021-03-12 01:40:00,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 744 places, 3071 transitions, 140923 flow [2021-03-12 01:40:11,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 739 places, 3071 transitions, 137817 flow, removed 1544 selfloop flow, removed 5 redundant places. [2021-03-12 01:40:11,470 INFO L241 Difference]: Finished difference. Result has 751 places, 3027 transitions, 129499 flow [2021-03-12 01:40:11,472 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=128972, PETRI_DIFFERENCE_MINUEND_PLACES=714, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3025, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2982, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=129499, PETRI_PLACES=751, PETRI_TRANSITIONS=3027} [2021-03-12 01:40:11,472 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 734 predicate places. [2021-03-12 01:40:11,472 INFO L480 AbstractCegarLoop]: Abstraction has has 751 places, 3027 transitions, 129499 flow [2021-03-12 01:40:11,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 11.28) internal successors, (282), 25 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:40:11,472 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:40:11,472 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:40:11,672 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:40:11,673 INFO L428 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:40:11,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:40:11,673 INFO L82 PathProgramCache]: Analyzing trace with hash 852949778, now seen corresponding path program 52 times [2021-03-12 01:40:11,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:40:11,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211984234] [2021-03-12 01:40:11,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:40:11,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:40:11,688 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:40:11,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:40:11,694 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-12 01:40:11,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:40:11,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:11,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:11,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:11,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:40:11,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:40:11,746 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-12 01:40:11,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:40:11,760 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-03-12 01:40:11,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:11,774 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-12 01:40:11,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:40:11,774 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-03-12 01:40:11,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:40:11,791 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:40:11,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:11,804 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:40:11,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:40:11,815 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 01:40:11,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211984234] [2021-03-12 01:40:11,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193480682] [2021-03-12 01:40:11,815 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-12 01:40:11,829 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 01:40:11,829 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:40:11,830 WARN L261 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 24 conjunts are in the unsatisfiable core [2021-03-12 01:40:11,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:40:11,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:11,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:11,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:11,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:11,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:11,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:11,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:11,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:11,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:11,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:11,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:11,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:11,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:11,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:11,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:11,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:11,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:40:11,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:40:11,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:40:11,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:40:11,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:40:11,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:40:11,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:40:11,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:40:11,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:11,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:11,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:11,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:11,903 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:40:11,904 INFO L147 QuantifierPusher]: treesize reduction 23, result has 46.5 percent of original size 20 [2021-03-12 01:40:11,904 INFO L142 QuantifierPusher]: treesize reduction 23, result has 46.5 percent of original size [2021-03-12 01:40:11,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:11,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:11,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:11,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:11,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:11,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:11,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:11,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:11,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:11,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:11,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:11,940 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:40:11,940 INFO L147 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size 18 [2021-03-12 01:40:11,941 INFO L142 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size [2021-03-12 01:40:11,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:40:11,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:40:11,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:40:11,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:40:11,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:40:11,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:40:11,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:40:11,970 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:40:11,970 INFO L147 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size 20 [2021-03-12 01:40:11,971 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-03-12 01:40:11,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:11,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:11,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:11,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:40:11,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:40:11,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:40:11,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:11,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:40:12,011 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-12 01:40:12,011 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size 44 [2021-03-12 01:40:12,014 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-03-12 01:40:12,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:40:12,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:12,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:40:12,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:12,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:40:12,046 INFO L142 QuantifierPusher]: treesize reduction 8, result has 83.3 percent of original size [2021-03-12 01:40:12,046 INFO L147 QuantifierPusher]: treesize reduction 17, result has 57.5 percent of original size 23 [2021-03-12 01:40:12,046 INFO L142 QuantifierPusher]: treesize reduction 17, result has 58.5 percent of original size [2021-03-12 01:40:12,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:40:12,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:12,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:40:12,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:40:12,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:12,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:40:12,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:12,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:40:12,067 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-12 01:40:12,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:40:12,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:12,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:40:12,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:12,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:40:12,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:12,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:40:12,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:12,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:40:12,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:12,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:40:12,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:12,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:40:12,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:12,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:40:12,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:12,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:40:12,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:12,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:40:12,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:12,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:40:12,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:12,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:40:12,092 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:40:12,092 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:40:12,092 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 24 [2021-03-12 01:40:12,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224137075] [2021-03-12 01:40:12,092 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-03-12 01:40:12,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:40:12,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-03-12 01:40:12,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2021-03-12 01:40:12,093 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:40:12,093 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 751 places, 3027 transitions, 129499 flow. Second operand has 26 states, 26 states have (on average 11.23076923076923) internal successors, (292), 26 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:40:12,093 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:40:12,093 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:40:12,093 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:40:22,011 INFO L129 PetriNetUnfolder]: 3036/6507 cut-off events. [2021-03-12 01:40:22,011 INFO L130 PetriNetUnfolder]: For 978285/978285 co-relation queries the response was YES. [2021-03-12 01:40:22,145 INFO L84 FinitePrefix]: Finished finitePrefix Result has 153014 conditions, 6507 events. 3036/6507 cut-off events. For 978285/978285 co-relation queries the response was YES. Maximal size of possible extension queue 482. Compared 55689 event pairs, 156 based on Foata normal form. 2/6509 useless extension candidates. Maximal degree in co-relation 152746. Up to 4314 conditions per place. [2021-03-12 01:40:22,193 INFO L132 encePairwiseOnDemand]: 24/32 looper letters, 1563 selfloop transitions, 1629 changer transitions 8/3204 dead transitions. [2021-03-12 01:40:22,193 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 761 places, 3204 transitions, 143743 flow [2021-03-12 01:40:22,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 01:40:22,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-03-12 01:40:22,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 325 transitions. [2021-03-12 01:40:22,194 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.40625 [2021-03-12 01:40:22,194 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 325 transitions. [2021-03-12 01:40:22,194 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 325 transitions. [2021-03-12 01:40:22,194 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:40:22,194 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 325 transitions. [2021-03-12 01:40:22,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 13.0) internal successors, (325), 25 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:40:22,195 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 32.0) internal successors, (832), 26 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:40:22,195 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 32.0) internal successors, (832), 26 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:40:22,195 INFO L185 Difference]: Start difference. First operand has 751 places, 3027 transitions, 129499 flow. Second operand 25 states and 325 transitions. [2021-03-12 01:40:22,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 761 places, 3204 transitions, 143743 flow [2021-03-12 01:40:34,002 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 743 places, 3204 transitions, 143235 flow, removed 225 selfloop flow, removed 18 redundant places. [2021-03-12 01:40:34,090 INFO L241 Difference]: Finished difference. Result has 753 places, 3181 transitions, 141074 flow [2021-03-12 01:40:34,092 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=129063, PETRI_DIFFERENCE_MINUEND_PLACES=719, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3027, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1479, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1539, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=141074, PETRI_PLACES=753, PETRI_TRANSITIONS=3181} [2021-03-12 01:40:34,092 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 736 predicate places. [2021-03-12 01:40:34,093 INFO L480 AbstractCegarLoop]: Abstraction has has 753 places, 3181 transitions, 141074 flow [2021-03-12 01:40:34,093 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 11.23076923076923) internal successors, (292), 26 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:40:34,093 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:40:34,093 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:40:34,307 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable150 [2021-03-12 01:40:34,307 INFO L428 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:40:34,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:40:34,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1863016534, now seen corresponding path program 53 times [2021-03-12 01:40:34,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:40:34,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293739854] [2021-03-12 01:40:34,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:40:34,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:40:34,319 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:40:34,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:40:34,325 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-12 01:40:34,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:40:34,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:34,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:34,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:34,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:34,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:40:34,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:40:34,388 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-12 01:40:34,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:40:34,403 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-03-12 01:40:34,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:40:34,420 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:40:34,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:34,432 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:40:34,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:40:34,442 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:40:34,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293739854] [2021-03-12 01:40:34,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027124769] [2021-03-12 01:40:34,442 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-12 01:40:34,457 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-03-12 01:40:34,457 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:40:34,457 WARN L261 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 23 conjunts are in the unsatisfiable core [2021-03-12 01:40:34,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:40:34,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:34,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:34,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:34,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:34,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:34,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:34,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:34,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:34,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:34,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:34,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:34,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:34,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:34,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:34,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:34,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:34,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:40:34,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:40:34,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:40:34,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:40:34,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:40:34,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:40:34,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:40:34,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:40:34,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:34,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:34,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:34,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:34,525 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:40:34,525 INFO L147 QuantifierPusher]: treesize reduction 23, result has 46.5 percent of original size 20 [2021-03-12 01:40:34,526 INFO L142 QuantifierPusher]: treesize reduction 23, result has 46.5 percent of original size [2021-03-12 01:40:34,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:34,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:34,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:34,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:34,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:34,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:34,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:34,542 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:40:34,543 INFO L147 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size 18 [2021-03-12 01:40:34,543 INFO L142 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size [2021-03-12 01:40:34,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:40:34,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:40:34,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:40:34,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:40:34,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:40:34,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:40:34,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:40:34,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:40:34,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:40:34,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:40:34,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:40:34,577 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:40:34,578 INFO L147 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size 20 [2021-03-12 01:40:34,578 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-03-12 01:40:34,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:34,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:34,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:34,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:40:34,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:40:34,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:40:34,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:40:34,624 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-12 01:40:34,624 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size 44 [2021-03-12 01:40:34,625 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-03-12 01:40:34,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:40:34,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:40:34,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:40:34,657 INFO L142 QuantifierPusher]: treesize reduction 8, result has 83.3 percent of original size [2021-03-12 01:40:34,658 INFO L147 QuantifierPusher]: treesize reduction 17, result has 57.5 percent of original size 23 [2021-03-12 01:40:34,658 INFO L142 QuantifierPusher]: treesize reduction 17, result has 58.5 percent of original size [2021-03-12 01:40:34,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:40:34,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:40:34,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:40:34,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:40:34,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:40:34,680 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-12 01:40:34,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:40:34,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:40:34,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:40:34,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:40:34,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:40:34,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:40:34,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:40:34,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:40:34,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:40:34,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:40:34,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:40:34,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:34,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:40:34,704 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:40:34,704 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:40:34,704 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 24 [2021-03-12 01:40:34,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828621861] [2021-03-12 01:40:34,705 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-03-12 01:40:34,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:40:34,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-03-12 01:40:34,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=542, Unknown=0, NotChecked=0, Total=650 [2021-03-12 01:40:34,705 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:40:34,705 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 753 places, 3181 transitions, 141074 flow. Second operand has 26 states, 26 states have (on average 11.23076923076923) internal successors, (292), 26 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:40:34,705 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:40:34,705 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:40:34,705 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:40:45,139 INFO L129 PetriNetUnfolder]: 3040/6514 cut-off events. [2021-03-12 01:40:45,140 INFO L130 PetriNetUnfolder]: For 1001480/1001480 co-relation queries the response was YES. [2021-03-12 01:40:45,258 INFO L84 FinitePrefix]: Finished finitePrefix Result has 157414 conditions, 6514 events. 3040/6514 cut-off events. For 1001480/1001480 co-relation queries the response was YES. Maximal size of possible extension queue 477. Compared 55764 event pairs, 165 based on Foata normal form. 2/6516 useless extension candidates. Maximal degree in co-relation 157145. Up to 4501 conditions per place. [2021-03-12 01:40:45,305 INFO L132 encePairwiseOnDemand]: 24/32 looper letters, 1661 selfloop transitions, 1543 changer transitions 8/3216 dead transitions. [2021-03-12 01:40:45,305 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 774 places, 3216 transitions, 149456 flow [2021-03-12 01:40:45,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-12 01:40:45,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-12 01:40:45,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 339 transitions. [2021-03-12 01:40:45,306 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4074519230769231 [2021-03-12 01:40:45,306 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 339 transitions. [2021-03-12 01:40:45,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 339 transitions. [2021-03-12 01:40:45,306 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:40:45,306 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 339 transitions. [2021-03-12 01:40:45,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 13.038461538461538) internal successors, (339), 26 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:40:45,307 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 32.0) internal successors, (864), 27 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:40:45,307 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 32.0) internal successors, (864), 27 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:40:45,307 INFO L185 Difference]: Start difference. First operand has 753 places, 3181 transitions, 141074 flow. Second operand 26 states and 339 transitions. [2021-03-12 01:40:45,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 774 places, 3216 transitions, 149456 flow [2021-03-12 01:40:56,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 757 places, 3216 transitions, 147765 flow, removed 266 selfloop flow, removed 17 redundant places. [2021-03-12 01:40:56,214 INFO L241 Difference]: Finished difference. Result has 764 places, 3193 transitions, 143312 flow [2021-03-12 01:40:56,216 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=139453, PETRI_DIFFERENCE_MINUEND_PLACES=732, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1533, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1645, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=143312, PETRI_PLACES=764, PETRI_TRANSITIONS=3193} [2021-03-12 01:40:56,216 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 747 predicate places. [2021-03-12 01:40:56,216 INFO L480 AbstractCegarLoop]: Abstraction has has 764 places, 3193 transitions, 143312 flow [2021-03-12 01:40:56,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 11.23076923076923) internal successors, (292), 26 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:40:56,216 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:40:56,217 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:40:56,417 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151,53 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:40:56,417 INFO L428 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:40:56,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:40:56,417 INFO L82 PathProgramCache]: Analyzing trace with hash -414427014, now seen corresponding path program 54 times [2021-03-12 01:40:56,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:40:56,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872345445] [2021-03-12 01:40:56,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:40:56,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:40:56,427 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-03-12 01:40:56,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:40:56,440 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-12 01:40:56,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:40:56,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:40:56,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:40:56,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:40:56,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:40:56,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:40:56,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:40:56,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:56,537 INFO L142 QuantifierPusher]: treesize reduction 47, result has 29.9 percent of original size [2021-03-12 01:40:56,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:56,549 INFO L142 QuantifierPusher]: treesize reduction 40, result has 23.1 percent of original size [2021-03-12 01:40:56,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:40:56,559 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:40:56,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872345445] [2021-03-12 01:40:56,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427990950] [2021-03-12 01:40:56,560 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-12 01:40:56,574 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-03-12 01:40:56,574 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:40:56,574 WARN L261 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 22 conjunts are in the unsatisfiable core [2021-03-12 01:40:56,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:40:56,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:56,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:56,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:56,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:56,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:56,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:56,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:56,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:56,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:56,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:56,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:56,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:56,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:56,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:56,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:56,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:40:56,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:40:56,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:40:56,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:40:56,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:40:56,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:40:56,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:40:56,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:40:56,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:40:56,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:56,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:56,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:56,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:56,638 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:40:56,639 INFO L147 QuantifierPusher]: treesize reduction 23, result has 46.5 percent of original size 20 [2021-03-12 01:40:56,639 INFO L142 QuantifierPusher]: treesize reduction 23, result has 46.5 percent of original size [2021-03-12 01:40:56,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:56,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:56,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:56,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:56,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:56,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:56,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:56,656 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:40:56,657 INFO L147 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size 18 [2021-03-12 01:40:56,657 INFO L142 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size [2021-03-12 01:40:56,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:40:56,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:40:56,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:40:56,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:40:56,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:40:56,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:40:56,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:40:56,675 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:40:56,675 INFO L147 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size 20 [2021-03-12 01:40:56,675 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-03-12 01:40:56,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:56,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:56,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:56,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:56,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:56,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:56,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:56,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:56,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:56,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:56,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:56,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:56,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:56,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:56,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:40:56,715 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:40:56,716 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.9 percent of original size 37 [2021-03-12 01:40:56,716 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.9 percent of original size [2021-03-12 01:40:56,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:40:56,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:40:56,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:40:56,743 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.6 percent of original size [2021-03-12 01:40:56,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-12 01:40:56,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:40:56,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:40:56,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:40:56,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:40:56,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-12 01:40:56,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,746 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:40:56,746 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:40:56,746 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:40:56,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:40:56,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:40:56,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:40:56,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:40:56,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:40:56,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:40:56,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:40:56,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:40:56,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:40:56,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:40:56,776 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:40:56,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:40:56,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 21 [2021-03-12 01:40:56,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873886010] [2021-03-12 01:40:56,776 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-12 01:40:56,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:40:56,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-12 01:40:56,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=429, Unknown=0, NotChecked=0, Total=506 [2021-03-12 01:40:56,776 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:40:56,777 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 764 places, 3193 transitions, 143312 flow. Second operand has 23 states, 23 states have (on average 11.391304347826088) internal successors, (262), 23 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:40:56,777 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:40:56,777 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:40:56,777 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:41:07,117 INFO L129 PetriNetUnfolder]: 3043/6513 cut-off events. [2021-03-12 01:41:07,117 INFO L130 PetriNetUnfolder]: For 956643/956643 co-relation queries the response was YES. [2021-03-12 01:41:07,232 INFO L84 FinitePrefix]: Finished finitePrefix Result has 156402 conditions, 6513 events. 3043/6513 cut-off events. For 956643/956643 co-relation queries the response was YES. Maximal size of possible extension queue 476. Compared 55616 event pairs, 510 based on Foata normal form. 2/6515 useless extension candidates. Maximal degree in co-relation 156131. Up to 6267 conditions per place. [2021-03-12 01:41:07,278 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 3053 selfloop transitions, 149 changer transitions 15/3221 dead transitions. [2021-03-12 01:41:07,278 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 782 places, 3221 transitions, 151536 flow [2021-03-12 01:41:07,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-03-12 01:41:07,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-03-12 01:41:07,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 300 transitions. [2021-03-12 01:41:07,279 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4076086956521739 [2021-03-12 01:41:07,279 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 300 transitions. [2021-03-12 01:41:07,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 300 transitions. [2021-03-12 01:41:07,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:41:07,279 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 300 transitions. [2021-03-12 01:41:07,279 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 13.043478260869565) internal successors, (300), 23 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) [2021-03-12 01:41:07,280 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 32.0) internal successors, (768), 24 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:41:07,280 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 32.0) internal successors, (768), 24 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:41:07,280 INFO L185 Difference]: Start difference. First operand has 764 places, 3193 transitions, 143312 flow. Second operand 23 states and 300 transitions. [2021-03-12 01:41:07,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 782 places, 3221 transitions, 151536 flow [2021-03-12 01:41:18,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 767 places, 3221 transitions, 149067 flow, removed 356 selfloop flow, removed 15 redundant places. [2021-03-12 01:41:18,437 INFO L241 Difference]: Finished difference. Result has 772 places, 3191 transitions, 141225 flow [2021-03-12 01:41:18,439 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=140855, PETRI_DIFFERENCE_MINUEND_PLACES=745, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=145, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3046, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=141225, PETRI_PLACES=772, PETRI_TRANSITIONS=3191} [2021-03-12 01:41:18,439 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 755 predicate places. [2021-03-12 01:41:18,439 INFO L480 AbstractCegarLoop]: Abstraction has has 772 places, 3191 transitions, 141225 flow [2021-03-12 01:41:18,439 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 11.391304347826088) internal successors, (262), 23 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:41:18,439 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:41:18,439 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:41:18,653 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152,54 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:41:18,654 INFO L428 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:41:18,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:41:18,654 INFO L82 PathProgramCache]: Analyzing trace with hash 912643150, now seen corresponding path program 55 times [2021-03-12 01:41:18,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:41:18,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374670347] [2021-03-12 01:41:18,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:41:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:41:18,661 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:41:18,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:41:18,667 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-12 01:41:18,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:41:18,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:41:18,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:41:18,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:41:18,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:41:18,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:41:18,711 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-12 01:41:18,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:41:18,723 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-12 01:41:18,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:41:18,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:41:18,744 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-12 01:41:18,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:41:18,755 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:41:18,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:41:18,768 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:41:18,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:41:18,778 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:41:18,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374670347] [2021-03-12 01:41:18,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1042724378] [2021-03-12 01:41:18,778 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-12 01:41:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:41:18,795 WARN L261 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 24 conjunts are in the unsatisfiable core [2021-03-12 01:41:18,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:41:18,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:41:18,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:41:18,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:41:18,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:41:18,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:41:18,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:41:18,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:41:18,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:41:18,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:41:18,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:41:18,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:41:18,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:41:18,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:41:18,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:41:18,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:41:18,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:41:18,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:41:18,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:41:18,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:41:18,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:41:18,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:41:18,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:41:18,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:41:18,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:41:18,843 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-12 01:41:18,844 INFO L147 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size 15 [2021-03-12 01:41:18,844 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-03-12 01:41:18,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:41:18,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:41:18,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:41:18,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:41:18,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:41:18,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:41:18,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:41:18,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:41:18,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:41:18,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:41:18,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:41:18,877 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:41:18,877 INFO L147 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size 18 [2021-03-12 01:41:18,877 INFO L142 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size [2021-03-12 01:41:18,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:41:18,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:41:18,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:41:18,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:41:18,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:41:18,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:41:18,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:41:18,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:41:18,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:41:18,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:41:18,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:41:18,925 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-12 01:41:18,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:41:18,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:41:18,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:41:18,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:41:18,944 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:41:18,945 INFO L147 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size 23 [2021-03-12 01:41:18,945 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-03-12 01:41:18,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:41:18,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:41:18,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:41:18,965 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-12 01:41:18,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:41:18,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:41:18,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:41:18,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:41:18,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:41:18,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:41:18,990 INFO L142 QuantifierPusher]: treesize reduction 16, result has 64.4 percent of original size [2021-03-12 01:41:18,991 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size 18 [2021-03-12 01:41:18,991 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-03-12 01:41:18,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:41:18,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:41:18,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:18,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:41:19,010 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-12 01:41:19,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:41:19,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:19,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:41:19,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:19,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:41:19,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:19,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:41:19,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:19,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:41:19,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:19,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:41:19,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:19,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:41:19,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:19,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:41:19,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:19,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:41:19,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:19,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:41:19,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:19,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:41:19,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:19,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:41:19,033 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:41:19,033 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:41:19,033 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 25 [2021-03-12 01:41:19,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40586088] [2021-03-12 01:41:19,033 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-03-12 01:41:19,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:41:19,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-03-12 01:41:19,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=603, Unknown=0, NotChecked=0, Total=702 [2021-03-12 01:41:19,034 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:41:19,034 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 772 places, 3191 transitions, 141225 flow. Second operand has 27 states, 27 states have (on average 11.185185185185185) internal successors, (302), 27 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:41:19,034 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:41:19,034 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:41:19,034 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:41:29,604 INFO L129 PetriNetUnfolder]: 3116/6682 cut-off events. [2021-03-12 01:41:29,604 INFO L130 PetriNetUnfolder]: For 1030926/1030926 co-relation queries the response was YES. [2021-03-12 01:41:29,723 INFO L84 FinitePrefix]: Finished finitePrefix Result has 158967 conditions, 6682 events. 3116/6682 cut-off events. For 1030926/1030926 co-relation queries the response was YES. Maximal size of possible extension queue 502. Compared 57547 event pairs, 150 based on Foata normal form. 3/6685 useless extension candidates. Maximal degree in co-relation 158694. Up to 4874 conditions per place. [2021-03-12 01:41:29,770 INFO L132 encePairwiseOnDemand]: 24/32 looper letters, 2023 selfloop transitions, 1253 changer transitions 63/3343 dead transitions. [2021-03-12 01:41:29,770 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 790 places, 3343 transitions, 155732 flow [2021-03-12 01:41:29,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-12 01:41:29,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-12 01:41:29,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 332 transitions. [2021-03-12 01:41:29,771 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.39903846153846156 [2021-03-12 01:41:29,771 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 332 transitions. [2021-03-12 01:41:29,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 332 transitions. [2021-03-12 01:41:29,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:41:29,772 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 332 transitions. [2021-03-12 01:41:29,772 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 12.76923076923077) internal successors, (332), 26 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:41:29,773 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 32.0) internal successors, (864), 27 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:41:29,773 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 32.0) internal successors, (864), 27 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:41:29,773 INFO L185 Difference]: Start difference. First operand has 772 places, 3191 transitions, 141225 flow. Second operand 26 states and 332 transitions. [2021-03-12 01:41:29,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 790 places, 3343 transitions, 155732 flow [2021-03-12 01:41:41,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 769 places, 3343 transitions, 155220 flow, removed 157 selfloop flow, removed 21 redundant places. [2021-03-12 01:41:41,469 INFO L241 Difference]: Finished difference. Result has 780 places, 3250 transitions, 147657 flow [2021-03-12 01:41:41,471 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=140804, PETRI_DIFFERENCE_MINUEND_PLACES=744, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1183, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1973, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=147657, PETRI_PLACES=780, PETRI_TRANSITIONS=3250} [2021-03-12 01:41:41,471 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 763 predicate places. [2021-03-12 01:41:41,471 INFO L480 AbstractCegarLoop]: Abstraction has has 780 places, 3250 transitions, 147657 flow [2021-03-12 01:41:41,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 11.185185185185185) internal successors, (302), 27 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:41:41,471 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:41:41,471 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:41:41,686 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154,55 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:41:41,686 INFO L428 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:41:41,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:41:41,686 INFO L82 PathProgramCache]: Analyzing trace with hash 460922266, now seen corresponding path program 56 times [2021-03-12 01:41:41,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:41:41,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942865169] [2021-03-12 01:41:41,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:41:41,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:41:41,698 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:41:41,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:41:41,704 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-12 01:41:41,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:41:41,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:41:41,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:41:41,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:41:41,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:41:41,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:41:41,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:41:41,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:41:41,774 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-12 01:41:41,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:41:41,786 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:41:41,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:41:41,800 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:41:41,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:41:41,811 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:41:41,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942865169] [2021-03-12 01:41:41,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102558607] [2021-03-12 01:41:41,812 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:41:41,825 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 01:41:41,826 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:41:41,826 WARN L261 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 23 conjunts are in the unsatisfiable core [2021-03-12 01:41:41,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:41:41,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:41:41,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:41:41,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:41:41,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:41:41,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:41:41,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:41:41,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:41:41,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:41:41,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:41:41,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:41:41,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:41:41,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:41:41,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:41:41,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:41:41,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:41:41,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:41:41,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:41:41,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:41:41,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:41:41,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:41:41,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:41:41,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:41:41,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:41:41,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:41:41,874 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-12 01:41:41,875 INFO L147 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size 15 [2021-03-12 01:41:41,875 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-03-12 01:41:41,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:41:41,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:41:41,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:41:41,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:41:41,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:41:41,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:41:41,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:41:41,895 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-12 01:41:41,896 INFO L147 QuantifierPusher]: treesize reduction 15, result has 53.1 percent of original size 17 [2021-03-12 01:41:41,896 INFO L142 QuantifierPusher]: treesize reduction 15, result has 53.1 percent of original size [2021-03-12 01:41:41,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:41:41,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:41:41,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:41:41,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:41:41,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:41:41,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:41:41,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:41:41,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:41:41,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:41:41,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:41:41,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:41:41,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:41:41,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:41:41,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:41:41,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:41:41,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:41:41,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:41:41,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:41:41,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:41:41,953 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:41:41,953 INFO L147 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size 20 [2021-03-12 01:41:41,953 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-03-12 01:41:41,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:41:41,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:41:41,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:41:41,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:41:41,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:41:41,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:41:41,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:41:41,993 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-12 01:41:41,994 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size 44 [2021-03-12 01:41:41,994 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-03-12 01:41:41,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:41:41,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:41:41,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:41,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:41:42,026 INFO L142 QuantifierPusher]: treesize reduction 9, result has 82.7 percent of original size [2021-03-12 01:41:42,027 INFO L147 QuantifierPusher]: treesize reduction 17, result has 60.5 percent of original size 26 [2021-03-12 01:41:42,027 INFO L142 QuantifierPusher]: treesize reduction 17, result has 61.4 percent of original size [2021-03-12 01:41:42,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:41:42,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:42,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:41:42,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:41:42,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:42,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:41:42,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:42,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:41:42,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:42,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:41:42,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:42,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:41:42,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:42,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:41:42,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:42,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:41:42,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:42,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:41:42,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:42,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:41:42,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:42,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:41:42,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:41:42,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:41:42,051 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:41:42,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:41:42,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 23 [2021-03-12 01:41:42,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702422740] [2021-03-12 01:41:42,052 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-03-12 01:41:42,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:41:42,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-03-12 01:41:42,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=522, Unknown=0, NotChecked=0, Total=600 [2021-03-12 01:41:42,052 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:41:42,052 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 780 places, 3250 transitions, 147657 flow. Second operand has 25 states, 25 states have (on average 11.28) internal successors, (282), 25 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:41:42,052 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:41:42,052 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:41:42,052 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:41:53,206 INFO L129 PetriNetUnfolder]: 3113/6679 cut-off events. [2021-03-12 01:41:53,206 INFO L130 PetriNetUnfolder]: For 1116068/1116068 co-relation queries the response was YES. [2021-03-12 01:41:53,333 INFO L84 FinitePrefix]: Finished finitePrefix Result has 165706 conditions, 6679 events. 3113/6679 cut-off events. For 1116068/1116068 co-relation queries the response was YES. Maximal size of possible extension queue 500. Compared 57484 event pairs, 501 based on Foata normal form. 3/6682 useless extension candidates. Maximal degree in co-relation 165430. Up to 6482 conditions per place. [2021-03-12 01:41:53,382 INFO L132 encePairwiseOnDemand]: 24/32 looper letters, 3182 selfloop transitions, 99 changer transitions 41/3326 dead transitions. [2021-03-12 01:41:53,382 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 793 places, 3326 transitions, 159109 flow [2021-03-12 01:41:53,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-03-12 01:41:53,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-03-12 01:41:53,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 335 transitions. [2021-03-12 01:41:53,383 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4026442307692308 [2021-03-12 01:41:53,383 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 335 transitions. [2021-03-12 01:41:53,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 335 transitions. [2021-03-12 01:41:53,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:41:53,383 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 335 transitions. [2021-03-12 01:41:53,384 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 12.884615384615385) internal successors, (335), 26 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:41:53,384 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 32.0) internal successors, (864), 27 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:41:53,384 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 32.0) internal successors, (864), 27 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:41:53,384 INFO L185 Difference]: Start difference. First operand has 780 places, 3250 transitions, 147657 flow. Second operand 26 states and 335 transitions. [2021-03-12 01:41:53,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 793 places, 3326 transitions, 159109 flow [2021-03-12 01:42:05,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 774 places, 3326 transitions, 158626 flow, removed 220 selfloop flow, removed 19 redundant places. [2021-03-12 01:42:05,972 INFO L241 Difference]: Finished difference. Result has 786 places, 3266 transitions, 149061 flow [2021-03-12 01:42:05,974 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=147304, PETRI_DIFFERENCE_MINUEND_PLACES=749, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=149061, PETRI_PLACES=786, PETRI_TRANSITIONS=3266} [2021-03-12 01:42:05,974 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 769 predicate places. [2021-03-12 01:42:05,974 INFO L480 AbstractCegarLoop]: Abstraction has has 786 places, 3266 transitions, 149061 flow [2021-03-12 01:42:05,974 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 11.28) internal successors, (282), 25 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:42:05,974 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:42:05,975 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:42:06,175 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155,56 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:42:06,175 INFO L428 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:42:06,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:42:06,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1389476138, now seen corresponding path program 57 times [2021-03-12 01:42:06,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:42:06,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679465049] [2021-03-12 01:42:06,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:42:06,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:42:06,182 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:42:06,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:42:06,188 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-12 01:42:06,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:42:06,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:42:06,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:42:06,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:42:06,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:42:06,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:42:06,232 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-12 01:42:06,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:42:06,244 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-03-12 01:42:06,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:42:06,256 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-12 01:42:06,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:42:06,257 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-03-12 01:42:06,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:42:06,272 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:42:06,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:42:06,284 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:42:06,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:42:06,294 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 01:42:06,295 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679465049] [2021-03-12 01:42:06,295 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043324495] [2021-03-12 01:42:06,295 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-12 01:42:06,308 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-03-12 01:42:06,308 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:42:06,309 WARN L261 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 24 conjunts are in the unsatisfiable core [2021-03-12 01:42:06,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:42:06,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:06,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:06,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:06,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:06,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:06,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:06,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:06,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:06,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:06,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:06,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:06,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:06,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:06,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:06,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:06,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:06,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:42:06,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:42:06,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:42:06,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:42:06,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:42:06,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:42:06,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:42:06,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:42:06,358 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-03-12 01:42:06,358 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-03-12 01:42:06,358 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-03-12 01:42:06,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:42:06,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:42:06,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:42:06,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:42:06,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:42:06,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:42:06,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:42:06,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:42:06,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:42:06,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:42:06,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:42:06,390 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:42:06,390 INFO L147 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size 18 [2021-03-12 01:42:06,390 INFO L142 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size [2021-03-12 01:42:06,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:42:06,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:42:06,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:42:06,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:42:06,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:42:06,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:42:06,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:42:06,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:42:06,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:42:06,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:42:06,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:42:06,435 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:42:06,435 INFO L147 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size 20 [2021-03-12 01:42:06,436 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-03-12 01:42:06,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:42:06,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:42:06,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:42:06,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:42:06,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:42:06,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:42:06,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:42:06,475 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-12 01:42:06,476 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size 44 [2021-03-12 01:42:06,476 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-03-12 01:42:06,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:42:06,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:42:06,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:42:06,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:42:06,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:42:06,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:42:06,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:42:06,524 INFO L142 QuantifierPusher]: treesize reduction 9, result has 82.7 percent of original size [2021-03-12 01:42:06,524 INFO L147 QuantifierPusher]: treesize reduction 17, result has 60.5 percent of original size 26 [2021-03-12 01:42:06,524 INFO L142 QuantifierPusher]: treesize reduction 17, result has 61.4 percent of original size [2021-03-12 01:42:06,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:42:06,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:42:06,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:42:06,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:42:06,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:42:06,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:42:06,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:42:06,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:42:06,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:42:06,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:42:06,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:42:06,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:42:06,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:06,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:42:06,548 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:42:06,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:42:06,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 23 [2021-03-12 01:42:06,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603860167] [2021-03-12 01:42:06,549 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-03-12 01:42:06,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:42:06,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-03-12 01:42:06,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=501, Unknown=0, NotChecked=0, Total=600 [2021-03-12 01:42:06,549 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:42:06,549 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 786 places, 3266 transitions, 149061 flow. Second operand has 25 states, 25 states have (on average 11.28) internal successors, (282), 25 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:42:06,550 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:42:06,550 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:42:06,550 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:42:09,472 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 19 [2021-03-12 01:42:17,708 INFO L129 PetriNetUnfolder]: 3109/6656 cut-off events. [2021-03-12 01:42:17,708 INFO L130 PetriNetUnfolder]: For 1130076/1130076 co-relation queries the response was YES. [2021-03-12 01:42:17,826 INFO L84 FinitePrefix]: Finished finitePrefix Result has 164894 conditions, 6656 events. 3109/6656 cut-off events. For 1130076/1130076 co-relation queries the response was YES. Maximal size of possible extension queue 503. Compared 57157 event pairs, 148 based on Foata normal form. 3/6659 useless extension candidates. Maximal degree in co-relation 164614. Up to 4245 conditions per place. [2021-03-12 01:42:17,871 INFO L132 encePairwiseOnDemand]: 24/32 looper letters, 1576 selfloop transitions, 1735 changer transitions 12/3327 dead transitions. [2021-03-12 01:42:17,871 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 803 places, 3327 transitions, 159089 flow [2021-03-12 01:42:17,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-03-12 01:42:17,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-03-12 01:42:17,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 375 transitions. [2021-03-12 01:42:17,873 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4040948275862069 [2021-03-12 01:42:17,873 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 375 transitions. [2021-03-12 01:42:17,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 375 transitions. [2021-03-12 01:42:17,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:42:17,873 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 375 transitions. [2021-03-12 01:42:17,874 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 12.931034482758621) internal successors, (375), 29 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:42:17,874 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 32.0) internal successors, (960), 30 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:42:17,875 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 32.0) internal successors, (960), 30 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:42:17,875 INFO L185 Difference]: Start difference. First operand has 786 places, 3266 transitions, 149061 flow. Second operand 29 states and 375 transitions. [2021-03-12 01:42:17,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 803 places, 3327 transitions, 159089 flow [2021-03-12 01:42:30,030 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 788 places, 3327 transitions, 158617 flow, removed 222 selfloop flow, removed 15 redundant places. [2021-03-12 01:42:30,124 INFO L241 Difference]: Finished difference. Result has 796 places, 3290 transitions, 155541 flow [2021-03-12 01:42:30,126 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=148611, PETRI_DIFFERENCE_MINUEND_PLACES=760, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3266, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1708, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1551, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=155541, PETRI_PLACES=796, PETRI_TRANSITIONS=3290} [2021-03-12 01:42:30,126 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 779 predicate places. [2021-03-12 01:42:30,127 INFO L480 AbstractCegarLoop]: Abstraction has has 796 places, 3290 transitions, 155541 flow [2021-03-12 01:42:30,127 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 11.28) internal successors, (282), 25 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:42:30,127 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:42:30,127 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:42:30,328 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable156 [2021-03-12 01:42:30,328 INFO L428 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:42:30,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:42:30,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1347856470, now seen corresponding path program 58 times [2021-03-12 01:42:30,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:42:30,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727462728] [2021-03-12 01:42:30,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:42:30,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:42:30,335 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:42:30,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:42:30,341 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-12 01:42:30,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:42:30,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:42:30,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:42:30,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:42:30,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:42:30,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:42:30,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:42:30,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:42:30,404 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-12 01:42:30,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:42:30,415 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:42:30,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:42:30,428 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:42:30,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:42:30,438 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:42:30,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727462728] [2021-03-12 01:42:30,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271022491] [2021-03-12 01:42:30,438 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-12 01:42:30,452 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 01:42:30,452 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:42:30,452 WARN L261 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 23 conjunts are in the unsatisfiable core [2021-03-12 01:42:30,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:42:30,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:30,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:30,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:30,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:30,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:30,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:30,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:30,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:30,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:30,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:30,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:30,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:30,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:30,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:30,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:30,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:30,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:42:30,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:42:30,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:42:30,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:42:30,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:42:30,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:42:30,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:42:30,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:42:30,508 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-12 01:42:30,508 INFO L147 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size 15 [2021-03-12 01:42:30,508 INFO L142 QuantifierPusher]: treesize reduction 25, result has 37.5 percent of original size [2021-03-12 01:42:30,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:42:30,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:42:30,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:42:30,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:42:30,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:42:30,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:42:30,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:42:30,525 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-12 01:42:30,526 INFO L147 QuantifierPusher]: treesize reduction 15, result has 53.1 percent of original size 17 [2021-03-12 01:42:30,526 INFO L142 QuantifierPusher]: treesize reduction 15, result has 53.1 percent of original size [2021-03-12 01:42:30,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:42:30,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:42:30,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:42:30,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:42:30,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:42:30,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:42:30,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:42:30,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:42:30,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:42:30,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:42:30,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:42:30,562 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:42:30,563 INFO L147 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size 20 [2021-03-12 01:42:30,563 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-03-12 01:42:30,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:42:30,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:42:30,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:42:30,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:42:30,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:42:30,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:42:30,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:42:30,602 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-12 01:42:30,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:42:30,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:42:30,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:42:30,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:42:30,625 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-12 01:42:30,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:42:30,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:42:30,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:42:30,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:42:30,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:42:30,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:42:30,651 INFO L142 QuantifierPusher]: treesize reduction 16, result has 64.4 percent of original size [2021-03-12 01:42:30,651 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size 18 [2021-03-12 01:42:30,651 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-03-12 01:42:30,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:42:30,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:42:30,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:42:30,670 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-12 01:42:30,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:42:30,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:42:30,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:42:30,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:42:30,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:42:30,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:42:30,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:42:30,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:42:30,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:42:30,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:42:30,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:42:30,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:30,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:42:30,694 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:42:30,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:42:30,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 24 [2021-03-12 01:42:30,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374045735] [2021-03-12 01:42:30,694 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-03-12 01:42:30,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:42:30,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-03-12 01:42:30,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=563, Unknown=0, NotChecked=0, Total=650 [2021-03-12 01:42:30,695 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:42:30,695 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 796 places, 3290 transitions, 155541 flow. Second operand has 26 states, 26 states have (on average 11.23076923076923) internal successors, (292), 26 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:42:30,695 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:42:30,695 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:42:30,695 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:42:42,098 INFO L129 PetriNetUnfolder]: 3172/6805 cut-off events. [2021-03-12 01:42:42,098 INFO L130 PetriNetUnfolder]: For 1217150/1217150 co-relation queries the response was YES. [2021-03-12 01:42:42,220 INFO L84 FinitePrefix]: Finished finitePrefix Result has 173713 conditions, 6805 events. 3172/6805 cut-off events. For 1217150/1217150 co-relation queries the response was YES. Maximal size of possible extension queue 519. Compared 58722 event pairs, 480 based on Foata normal form. 5/6810 useless extension candidates. Maximal degree in co-relation 173432. Up to 6298 conditions per place. [2021-03-12 01:42:42,267 INFO L132 encePairwiseOnDemand]: 24/32 looper letters, 3136 selfloop transitions, 248 changer transitions 26/3414 dead transitions. [2021-03-12 01:42:42,267 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 813 places, 3414 transitions, 169917 flow [2021-03-12 01:42:42,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-12 01:42:42,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-03-12 01:42:42,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 310 transitions. [2021-03-12 01:42:42,268 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4036458333333333 [2021-03-12 01:42:42,268 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 310 transitions. [2021-03-12 01:42:42,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 310 transitions. [2021-03-12 01:42:42,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:42:42,268 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 310 transitions. [2021-03-12 01:42:42,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 12.916666666666666) internal successors, (310), 24 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:42:42,269 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 32.0) internal successors, (800), 25 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:42:42,269 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 32.0) internal successors, (800), 25 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:42:42,269 INFO L185 Difference]: Start difference. First operand has 796 places, 3290 transitions, 155541 flow. Second operand 24 states and 310 transitions. [2021-03-12 01:42:42,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 813 places, 3414 transitions, 169917 flow [2021-03-12 01:42:56,275 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 793 places, 3414 transitions, 168095 flow, removed 253 selfloop flow, removed 20 redundant places. [2021-03-12 01:42:56,372 INFO L241 Difference]: Finished difference. Result has 805 places, 3332 transitions, 157824 flow [2021-03-12 01:42:56,373 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=153823, PETRI_DIFFERENCE_MINUEND_PLACES=770, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=203, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3044, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=157824, PETRI_PLACES=805, PETRI_TRANSITIONS=3332} [2021-03-12 01:42:56,374 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 788 predicate places. [2021-03-12 01:42:56,374 INFO L480 AbstractCegarLoop]: Abstraction has has 805 places, 3332 transitions, 157824 flow [2021-03-12 01:42:56,374 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 11.23076923076923) internal successors, (292), 26 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:42:56,374 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:42:56,374 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:42:56,574 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157,58 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:42:56,574 INFO L428 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:42:56,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:42:56,574 INFO L82 PathProgramCache]: Analyzing trace with hash -1205189782, now seen corresponding path program 59 times [2021-03-12 01:42:56,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:42:56,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894784653] [2021-03-12 01:42:56,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:42:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:42:56,583 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-03-12 01:42:56,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:42:56,592 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-12 01:42:56,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:42:56,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:42:56,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:42:56,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:42:56,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:42:56,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:42:56,657 INFO L142 QuantifierPusher]: treesize reduction 20, result has 48.7 percent of original size [2021-03-12 01:42:56,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:42:56,667 INFO L142 QuantifierPusher]: treesize reduction 48, result has 30.4 percent of original size [2021-03-12 01:42:56,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:42:56,679 INFO L142 QuantifierPusher]: treesize reduction 40, result has 23.1 percent of original size [2021-03-12 01:42:56,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:42:56,688 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:42:56,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894784653] [2021-03-12 01:42:56,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046830806] [2021-03-12 01:42:56,688 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-12 01:42:56,702 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-03-12 01:42:56,702 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:42:56,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-12 01:42:56,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:42:56,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:56,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:56,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:56,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:56,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:56,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:56,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:56,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:56,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:56,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:56,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:56,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:56,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:56,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:56,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:56,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:42:56,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:42:56,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:42:56,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:42:56,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:42:56,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:42:56,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:42:56,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:42:56,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:42:56,753 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-03-12 01:42:56,754 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-03-12 01:42:56,754 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-03-12 01:42:56,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:42:56,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:42:56,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:42:56,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:42:56,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:42:56,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:42:56,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:42:56,769 INFO L142 QuantifierPusher]: treesize reduction 16, result has 61.9 percent of original size [2021-03-12 01:42:56,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:42:56,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:42:56,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:42:56,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:42:56,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:42:56,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:42:56,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:42:56,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:42:56,786 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:42:56,786 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size 34 [2021-03-12 01:42:56,787 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-12 01:42:56,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:42:56,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:42:56,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:42:56,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:42:56,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-12 01:42:56,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:42:56,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:42:56,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-12 01:42:56,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:42:56,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,813 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:42:56,813 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:42:56,814 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:42:56,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:42:56,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:42:56,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:42:56,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:42:56,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:42:56,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:42:56,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:42:56,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:42:56,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:42:56,867 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.4 percent of original size [2021-03-12 01:42:56,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:42:56,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-12 01:42:56,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-12 01:42:56,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:42:56,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-12 01:42:56,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-12 01:42:56,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,870 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:42:56,870 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:42:56,883 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,884 INFO L147 QuantifierPusher]: treesize reduction 4, result has 94.7 percent of original size 71 [2021-03-12 01:42:56,885 INFO L142 QuantifierPusher]: treesize reduction 4, result has 94.7 percent of original size [2021-03-12 01:42:56,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-12 01:42:56,932 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-12 01:42:56,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:42:56,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:42:56,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:42:56,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:42:56,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,935 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:42:56,935 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:42:56,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:42:56,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 01:42:56,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 01:42:56,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 01:42:56,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 01:42:56,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 01:42:56,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 01:42:56,965 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-03-12 01:42:56,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-12 01:42:56,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:42:56,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:42:56,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:42:56,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:42:56,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:42:56,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:42:56,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:42:56,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:56,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:42:56,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:42:57,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:42:57,002 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:42:57,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:42:57,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 21 [2021-03-12 01:42:57,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872981404] [2021-03-12 01:42:57,002 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-12 01:42:57,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:42:57,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-12 01:42:57,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=422, Unknown=0, NotChecked=0, Total=506 [2021-03-12 01:42:57,003 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:42:57,003 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 805 places, 3332 transitions, 157824 flow. Second operand has 23 states, 23 states have (on average 11.391304347826088) internal successors, (262), 23 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:42:57,003 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:42:57,003 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:42:57,003 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:43:08,419 INFO L129 PetriNetUnfolder]: 3233/6924 cut-off events. [2021-03-12 01:43:08,419 INFO L130 PetriNetUnfolder]: For 1265698/1265698 co-relation queries the response was YES. [2021-03-12 01:43:08,743 INFO L84 FinitePrefix]: Finished finitePrefix Result has 178584 conditions, 6924 events. 3233/6924 cut-off events. For 1265698/1265698 co-relation queries the response was YES. Maximal size of possible extension queue 531. Compared 59867 event pairs, 489 based on Foata normal form. 2/6926 useless extension candidates. Maximal degree in co-relation 178297. Up to 6497 conditions per place. [2021-03-12 01:43:08,797 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 3186 selfloop transitions, 270 changer transitions 8/3468 dead transitions. [2021-03-12 01:43:08,798 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 816 places, 3468 transitions, 173537 flow [2021-03-12 01:43:08,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 01:43:08,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-12 01:43:08,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 279 transitions. [2021-03-12 01:43:08,799 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.41517857142857145 [2021-03-12 01:43:08,799 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 279 transitions. [2021-03-12 01:43:08,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 279 transitions. [2021-03-12 01:43:08,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:43:08,799 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 279 transitions. [2021-03-12 01:43:08,799 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 13.285714285714286) internal successors, (279), 21 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:43:08,800 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 32.0) internal successors, (704), 22 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:43:08,800 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 32.0) internal successors, (704), 22 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:43:08,800 INFO L185 Difference]: Start difference. First operand has 805 places, 3332 transitions, 157824 flow. Second operand 21 states and 279 transitions. [2021-03-12 01:43:08,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 816 places, 3468 transitions, 173537 flow [2021-03-12 01:43:23,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 800 places, 3468 transitions, 172823 flow, removed 342 selfloop flow, removed 16 redundant places. [2021-03-12 01:43:24,084 INFO L241 Difference]: Finished difference. Result has 807 places, 3409 transitions, 163396 flow [2021-03-12 01:43:24,086 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=157448, PETRI_DIFFERENCE_MINUEND_PLACES=780, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3332, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=208, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3082, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=163396, PETRI_PLACES=807, PETRI_TRANSITIONS=3409} [2021-03-12 01:43:24,086 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 790 predicate places. [2021-03-12 01:43:24,086 INFO L480 AbstractCegarLoop]: Abstraction has has 807 places, 3409 transitions, 163396 flow [2021-03-12 01:43:24,086 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 11.391304347826088) internal successors, (262), 23 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:43:24,086 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:43:24,086 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:43:24,299 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable158 [2021-03-12 01:43:24,299 INFO L428 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:43:24,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:43:24,299 INFO L82 PathProgramCache]: Analyzing trace with hash -781071786, now seen corresponding path program 60 times [2021-03-12 01:43:24,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:43:24,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577639261] [2021-03-12 01:43:24,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:43:24,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:43:24,308 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-03-12 01:43:24,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:43:24,318 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-12 01:43:24,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:43:24,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:43:24,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:43:24,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:43:24,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:43:24,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:43:24,393 INFO L142 QuantifierPusher]: treesize reduction 49, result has 31.0 percent of original size [2021-03-12 01:43:24,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:43:24,405 INFO L142 QuantifierPusher]: treesize reduction 48, result has 30.4 percent of original size [2021-03-12 01:43:24,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:43:24,419 INFO L142 QuantifierPusher]: treesize reduction 47, result has 29.9 percent of original size [2021-03-12 01:43:24,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:43:24,432 INFO L142 QuantifierPusher]: treesize reduction 40, result has 23.1 percent of original size [2021-03-12 01:43:24,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:43:24,442 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:43:24,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577639261] [2021-03-12 01:43:24,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983440882] [2021-03-12 01:43:24,442 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-12 01:43:24,458 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-03-12 01:43:24,458 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:43:24,458 WARN L261 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 22 conjunts are in the unsatisfiable core [2021-03-12 01:43:24,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:43:24,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:43:24,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:43:24,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:43:24,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:43:24,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:43:24,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:43:24,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:43:24,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:43:24,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:43:24,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:43:24,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:43:24,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:43:24,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:43:24,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:43:24,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:43:24,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:43:24,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:43:24,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:43:24,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:43:24,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:43:24,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:43:24,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:43:24,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:43:24,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:43:24,512 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-03-12 01:43:24,513 INFO L147 QuantifierPusher]: treesize reduction 6, result has 71.4 percent of original size 15 [2021-03-12 01:43:24,513 INFO L142 QuantifierPusher]: treesize reduction 6, result has 71.4 percent of original size [2021-03-12 01:43:24,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:43:24,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:43:24,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:43:24,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:43:24,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:43:24,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:43:24,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:43:24,530 INFO L142 QuantifierPusher]: treesize reduction 16, result has 61.9 percent of original size [2021-03-12 01:43:24,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:43:24,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:43:24,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:43:24,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:43:24,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:43:24,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:43:24,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:43:24,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:43:24,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:43:24,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:43:24,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:43:24,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:43:24,567 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:43:24,567 INFO L147 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size 20 [2021-03-12 01:43:24,567 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-03-12 01:43:24,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:43:24,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:43:24,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:43:24,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:43:24,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:43:24,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:43:24,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:43:24,587 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:43:24,588 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.9 percent of original size 37 [2021-03-12 01:43:24,588 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.9 percent of original size [2021-03-12 01:43:24,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:43:24,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:43:24,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:43:24,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:43:24,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:43:24,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:43:24,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:43:24,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:43:24,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:43:24,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:43:24,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:43:24,648 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.6 percent of original size [2021-03-12 01:43:24,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-12 01:43:24,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:43:24,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:43:24,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:43:24,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:43:24,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-12 01:43:24,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,651 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:43:24,651 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:43:24,651 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:43:24,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:43:24,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:43:24,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:43:24,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:43:24,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:43:24,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:43:24,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:43:24,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:43:24,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:24,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:43:24,682 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:43:24,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:43:24,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 21 [2021-03-12 01:43:24,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443470143] [2021-03-12 01:43:24,683 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-12 01:43:24,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:43:24,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-12 01:43:24,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=423, Unknown=0, NotChecked=0, Total=506 [2021-03-12 01:43:24,683 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:43:24,683 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 807 places, 3409 transitions, 163396 flow. Second operand has 23 states, 23 states have (on average 11.391304347826088) internal successors, (262), 23 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:43:24,683 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:43:24,683 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:43:24,683 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:43:37,502 INFO L129 PetriNetUnfolder]: 3367/7226 cut-off events. [2021-03-12 01:43:37,502 INFO L130 PetriNetUnfolder]: For 1298665/1298665 co-relation queries the response was YES. [2021-03-12 01:43:37,641 INFO L84 FinitePrefix]: Finished finitePrefix Result has 186331 conditions, 7226 events. 3367/7226 cut-off events. For 1298665/1298665 co-relation queries the response was YES. Maximal size of possible extension queue 538. Compared 62963 event pairs, 460 based on Foata normal form. 5/7231 useless extension candidates. Maximal degree in co-relation 186044. Up to 6354 conditions per place. [2021-03-12 01:43:37,885 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 3046 selfloop transitions, 580 changer transitions 16/3646 dead transitions. [2021-03-12 01:43:37,885 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 828 places, 3646 transitions, 184210 flow [2021-03-12 01:43:37,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-12 01:43:37,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-03-12 01:43:37,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 318 transitions. [2021-03-12 01:43:37,886 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4140625 [2021-03-12 01:43:37,886 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 318 transitions. [2021-03-12 01:43:37,886 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 318 transitions. [2021-03-12 01:43:37,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:43:37,886 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 318 transitions. [2021-03-12 01:43:37,887 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 13.25) internal successors, (318), 24 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:43:37,887 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 32.0) internal successors, (800), 25 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:43:37,887 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 32.0) internal successors, (800), 25 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:43:37,887 INFO L185 Difference]: Start difference. First operand has 807 places, 3409 transitions, 163396 flow. Second operand 24 states and 318 transitions. [2021-03-12 01:43:37,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 828 places, 3646 transitions, 184210 flow [2021-03-12 01:43:53,390 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 814 places, 3646 transitions, 183372 flow, removed 384 selfloop flow, removed 14 redundant places. [2021-03-12 01:43:53,494 INFO L241 Difference]: Finished difference. Result has 825 places, 3589 transitions, 174743 flow [2021-03-12 01:43:53,496 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=162602, PETRI_DIFFERENCE_MINUEND_PLACES=791, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3409, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=411, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2852, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=174743, PETRI_PLACES=825, PETRI_TRANSITIONS=3589} [2021-03-12 01:43:53,496 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 808 predicate places. [2021-03-12 01:43:53,496 INFO L480 AbstractCegarLoop]: Abstraction has has 825 places, 3589 transitions, 174743 flow [2021-03-12 01:43:53,496 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 11.391304347826088) internal successors, (262), 23 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:43:53,496 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:43:53,496 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:43:53,699 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162,60 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:43:53,699 INFO L428 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:43:53,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:43:53,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1285886814, now seen corresponding path program 61 times [2021-03-12 01:43:53,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:43:53,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241102742] [2021-03-12 01:43:53,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:43:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:43:53,712 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-03-12 01:43:53,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:43:53,721 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-12 01:43:53,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:43:53,732 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-03-12 01:43:53,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-12 01:43:53,745 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-12 01:43:53,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:43:53,755 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-03-12 01:43:53,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:43:53,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:43:53,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:43:53,783 INFO L142 QuantifierPusher]: treesize reduction 17, result has 48.5 percent of original size [2021-03-12 01:43:53,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:43:53,793 INFO L142 QuantifierPusher]: treesize reduction 20, result has 53.5 percent of original size [2021-03-12 01:43:53,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:43:53,810 INFO L142 QuantifierPusher]: treesize reduction 48, result has 34.2 percent of original size [2021-03-12 01:43:53,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:43:53,826 INFO L142 QuantifierPusher]: treesize reduction 47, result has 29.9 percent of original size [2021-03-12 01:43:53,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:43:53,839 INFO L142 QuantifierPusher]: treesize reduction 40, result has 23.1 percent of original size [2021-03-12 01:43:53,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:43:53,850 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:43:53,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241102742] [2021-03-12 01:43:53,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1553915974] [2021-03-12 01:43:53,850 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-12 01:43:53,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:43:53,876 WARN L261 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 22 conjunts are in the unsatisfiable core [2021-03-12 01:43:53,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:43:53,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:43:53,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:43:53,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:43:53,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 Waiting until toolchain timeout for monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:43:53,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:43:53,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:43:53,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:43:53,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:43:53,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:43:53,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:43:53,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:43:53,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:43:53,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:43:53,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:43:53,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:43:53,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:43:53,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:43:53,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:43:53,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:43:53,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:43:53,909 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-12 01:43:53,910 INFO L147 QuantifierPusher]: treesize reduction 25, result has 34.2 percent of original size 13 [2021-03-12 01:43:53,910 INFO L142 QuantifierPusher]: treesize reduction 25, result has 34.2 percent of original size [2021-03-12 01:43:53,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:43:53,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:43:53,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:43:53,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:43:53,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:43:53,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:43:53,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:43:53,939 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-12 01:43:53,939 INFO L147 QuantifierPusher]: treesize reduction 15, result has 50.0 percent of original size 15 [2021-03-12 01:43:53,940 INFO L142 QuantifierPusher]: treesize reduction 15, result has 50.0 percent of original size [2021-03-12 01:43:53,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:43:53,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:43:53,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:43:53,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:43:53,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:43:53,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:43:53,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:43:53,956 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-12 01:43:53,956 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size 32 [2021-03-12 01:43:53,956 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-12 01:43:53,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:43:53,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:43:53,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:43:53,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:43:53,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:43:53,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:43:53,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:53,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:43:54,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:54,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:43:54,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:54,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-12 01:43:54,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:43:54,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:54,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:43:54,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:54,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-12 01:43:54,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:43:54,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:54,009 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:43:54,009 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:43:54,010 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:54,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:43:54,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:54,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:43:54,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:54,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:43:54,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:54,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:43:54,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:54,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:43:54,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:54,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:43:54,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:54,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:43:54,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:54,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:43:54,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:54,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:43:54,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:54,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:43:54,078 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.4 percent of original size [2021-03-12 01:43:54,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:43:54,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:54,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-12 01:43:54,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-12 01:43:54,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:54,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:43:54,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:54,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-12 01:43:54,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-12 01:43:54,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:54,081 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:43:54,082 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:43:54,082 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:54,084 INFO L147 QuantifierPusher]: treesize reduction 4, result has 94.7 percent of original size 71 [2021-03-12 01:43:54,085 INFO L142 QuantifierPusher]: treesize reduction 4, result has 94.7 percent of original size [2021-03-12 01:43:54,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-12 01:43:54,131 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-12 01:43:54,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:43:54,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:54,132 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:43:54,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:54,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:43:54,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:43:54,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:54,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:43:54,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:54,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:43:54,159 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-03-12 01:43:54,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:43:54,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:54,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:43:54,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:54,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:43:54,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:43:54,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:54,161 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:43:54,162 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:54,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:43:54,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:54,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:43:54,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:43:54,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:54,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:43:54,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:54,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:43:54,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:54,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:43:54,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:54,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:43:54,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:54,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:43:54,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:54,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:43:54,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:54,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:43:54,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:54,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:43:54,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:43:54,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:43:54,197 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:43:54,197 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:43:54,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 23 [2021-03-12 01:43:54,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938580618] [2021-03-12 01:43:54,197 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-03-12 01:43:54,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:43:54,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-03-12 01:43:54,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2021-03-12 01:43:54,198 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:43:54,198 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 825 places, 3589 transitions, 174743 flow. Second operand has 25 states, 25 states have (on average 11.28) internal successors, (282), 25 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:43:54,198 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:43:54,198 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:43:54,198 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:44:07,682 INFO L129 PetriNetUnfolder]: 3426/7339 cut-off events. [2021-03-12 01:44:07,683 INFO L130 PetriNetUnfolder]: For 1399003/1399003 co-relation queries the response was YES. [2021-03-12 01:44:07,819 INFO L84 FinitePrefix]: Finished finitePrefix Result has 192276 conditions, 7339 events. 3426/7339 cut-off events. For 1399003/1399003 co-relation queries the response was YES. Maximal size of possible extension queue 567. Compared 64199 event pairs, 171 based on Foata normal form. 2/7341 useless extension candidates. Maximal degree in co-relation 191983. Up to 4935 conditions per place. [2021-03-12 01:44:07,874 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 1868 selfloop transitions, 1838 changer transitions 7/3717 dead transitions. [2021-03-12 01:44:07,874 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 847 places, 3717 transitions, 191146 flow [2021-03-12 01:44:07,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-12 01:44:07,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-03-12 01:44:07,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 357 transitions. [2021-03-12 01:44:07,875 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4131944444444444 [2021-03-12 01:44:07,875 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 357 transitions. [2021-03-12 01:44:07,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 357 transitions. [2021-03-12 01:44:07,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:44:07,875 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 357 transitions. [2021-03-12 01:44:07,876 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 13.222222222222221) internal successors, (357), 27 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:44:07,876 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 32.0) internal successors, (896), 28 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:44:07,876 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 32.0) internal successors, (896), 28 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:44:07,876 INFO L185 Difference]: Start difference. First operand has 825 places, 3589 transitions, 174743 flow. Second operand 27 states and 357 transitions. [2021-03-12 01:44:07,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 847 places, 3717 transitions, 191146 flow [2021-03-12 01:44:24,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 833 places, 3717 transitions, 189565 flow, removed 761 selfloop flow, removed 14 redundant places. [2021-03-12 01:44:24,647 INFO L241 Difference]: Finished difference. Result has 843 places, 3680 transitions, 184766 flow [2021-03-12 01:44:24,648 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=173476, PETRI_DIFFERENCE_MINUEND_PLACES=807, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3589, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1763, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1811, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=184766, PETRI_PLACES=843, PETRI_TRANSITIONS=3680} [2021-03-12 01:44:24,648 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 826 predicate places. [2021-03-12 01:44:24,648 INFO L480 AbstractCegarLoop]: Abstraction has has 843 places, 3680 transitions, 184766 flow [2021-03-12 01:44:24,648 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 11.28) internal successors, (282), 25 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:44:24,648 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:44:24,649 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:44:24,855 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164,61 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:44:24,855 INFO L428 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:44:24,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:44:24,855 INFO L82 PathProgramCache]: Analyzing trace with hash 794779814, now seen corresponding path program 62 times [2021-03-12 01:44:24,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:44:24,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907651509] [2021-03-12 01:44:24,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:44:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:44:24,865 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:44:24,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:44:24,870 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-12 01:44:24,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:44:24,876 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-03-12 01:44:24,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:44:24,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:24,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:44:24,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:24,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:44:24,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:24,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:44:24,902 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-12 01:44:24,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:44:24,914 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.2 percent of original size [2021-03-12 01:44:24,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:44:24,925 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-12 01:44:24,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:44:24,925 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.7 percent of original size [2021-03-12 01:44:24,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:44:24,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:24,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:44:24,945 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.7 percent of original size [2021-03-12 01:44:24,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:44:24,955 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:44:24,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:44:24,971 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:44:24,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:44:24,981 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:44:24,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907651509] [2021-03-12 01:44:24,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564480787] [2021-03-12 01:44:24,981 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 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 [2021-03-12 01:44:24,998 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 01:44:24,998 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:44:24,998 WARN L261 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 25 conjunts are in the unsatisfiable core [2021-03-12 01:44:24,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:44:24,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:24,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:44:25,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:44:25,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:44:25,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:44:25,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:44:25,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:44:25,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:44:25,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:44:25,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:44:25,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:44:25,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:44:25,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:44:25,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:44:25,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:44:25,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:44:25,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:44:25,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:44:25,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:44:25,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:44:25,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:44:25,031 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-12 01:44:25,031 INFO L147 QuantifierPusher]: treesize reduction 25, result has 34.2 percent of original size 13 [2021-03-12 01:44:25,031 INFO L142 QuantifierPusher]: treesize reduction 25, result has 34.2 percent of original size [2021-03-12 01:44:25,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:44:25,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:44:25,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:44:25,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:44:25,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:44:25,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:44:25,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:44:25,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:44:25,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:44:25,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:44:25,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:44:25,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:44:25,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:44:25,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:44:25,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:44:25,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:44:25,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:44:25,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:44:25,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:44:25,103 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:44:25,103 INFO L147 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size 18 [2021-03-12 01:44:25,104 INFO L142 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size [2021-03-12 01:44:25,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:44:25,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:44:25,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:44:25,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:44:25,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:44:25,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:44:25,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:44:25,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:44:25,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:44:25,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:44:25,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:44:25,134 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:44:25,134 INFO L147 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size 20 [2021-03-12 01:44:25,134 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-03-12 01:44:25,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:44:25,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:44:25,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:44:25,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:44:25,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:44:25,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:44:25,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:44:25,173 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-12 01:44:25,174 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size 44 [2021-03-12 01:44:25,174 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-03-12 01:44:25,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:44:25,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:44:25,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:44:25,205 INFO L142 QuantifierPusher]: treesize reduction 9, result has 82.7 percent of original size [2021-03-12 01:44:25,205 INFO L147 QuantifierPusher]: treesize reduction 17, result has 60.5 percent of original size 26 [2021-03-12 01:44:25,206 INFO L142 QuantifierPusher]: treesize reduction 17, result has 61.4 percent of original size [2021-03-12 01:44:25,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:44:25,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:44:25,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:44:25,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:44:25,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:44:25,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:44:25,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:44:25,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:44:25,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:44:25,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:44:25,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:44:25,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:44:25,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:25,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:44:25,230 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:44:25,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:44:25,230 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 24 [2021-03-12 01:44:25,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565285955] [2021-03-12 01:44:25,231 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-03-12 01:44:25,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:44:25,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-03-12 01:44:25,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=555, Unknown=0, NotChecked=0, Total=650 [2021-03-12 01:44:25,231 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:44:25,231 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 843 places, 3680 transitions, 184766 flow. Second operand has 26 states, 26 states have (on average 11.23076923076923) internal successors, (292), 26 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:44:25,231 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:44:25,231 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:44:25,231 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:44:40,495 INFO L129 PetriNetUnfolder]: 3495/7506 cut-off events. [2021-03-12 01:44:40,496 INFO L130 PetriNetUnfolder]: For 1538608/1538608 co-relation queries the response was YES. [2021-03-12 01:44:40,639 INFO L84 FinitePrefix]: Finished finitePrefix Result has 200612 conditions, 7506 events. 3495/7506 cut-off events. For 1538608/1538608 co-relation queries the response was YES. Maximal size of possible extension queue 579. Compared 66169 event pairs, 190 based on Foata normal form. 4/7510 useless extension candidates. Maximal degree in co-relation 200314. Up to 4393 conditions per place. [2021-03-12 01:44:40,700 INFO L132 encePairwiseOnDemand]: 24/32 looper letters, 1684 selfloop transitions, 2026 changer transitions 138/3852 dead transitions. [2021-03-12 01:44:40,700 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 880 places, 3852 transitions, 204546 flow [2021-03-12 01:44:40,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-03-12 01:44:40,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2021-03-12 01:44:40,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 519 transitions. [2021-03-12 01:44:40,701 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.40546875 [2021-03-12 01:44:40,701 INFO L72 ComplementDD]: Start complementDD. Operand 40 states and 519 transitions. [2021-03-12 01:44:40,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 519 transitions. [2021-03-12 01:44:40,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:44:40,701 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 40 states and 519 transitions. [2021-03-12 01:44:40,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 41 states, 40 states have (on average 12.975) internal successors, (519), 40 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:44:40,703 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 41 states, 41 states have (on average 32.0) internal successors, (1312), 41 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) [2021-03-12 01:44:40,703 INFO L81 ComplementDD]: Finished complementDD. Result has 41 states, 41 states have (on average 32.0) internal successors, (1312), 41 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) [2021-03-12 01:44:40,703 INFO L185 Difference]: Start difference. First operand has 843 places, 3680 transitions, 184766 flow. Second operand 40 states and 519 transitions. [2021-03-12 01:44:40,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 880 places, 3852 transitions, 204546 flow [2021-03-12 01:44:58,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 867 places, 3852 transitions, 202033 flow, removed 1208 selfloop flow, removed 13 redundant places. [2021-03-12 01:44:58,487 INFO L241 Difference]: Finished difference. Result has 884 places, 3691 transitions, 193706 flow [2021-03-12 01:44:58,489 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=182507, PETRI_DIFFERENCE_MINUEND_PLACES=828, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3680, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1938, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1709, PETRI_DIFFERENCE_SUBTRAHEND_STATES=40, PETRI_FLOW=193706, PETRI_PLACES=884, PETRI_TRANSITIONS=3691} [2021-03-12 01:44:58,489 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 867 predicate places. [2021-03-12 01:44:58,489 INFO L480 AbstractCegarLoop]: Abstraction has has 884 places, 3691 transitions, 193706 flow [2021-03-12 01:44:58,489 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 11.23076923076923) internal successors, (292), 26 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:44:58,489 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:44:58,489 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:44:58,690 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 62 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable168 [2021-03-12 01:44:58,690 INFO L428 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:44:58,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:44:58,690 INFO L82 PathProgramCache]: Analyzing trace with hash -690786286, now seen corresponding path program 63 times [2021-03-12 01:44:58,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:44:58,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004590777] [2021-03-12 01:44:58,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:44:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:44:58,698 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-12 01:44:58,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:44:58,703 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-12 01:44:58,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:44:58,710 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-12 01:44:58,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:44:58,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:44:58,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:44:58,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:44:58,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:44:58,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:44:58,757 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-12 01:44:58,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:44:58,770 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-03-12 01:44:58,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:44:58,785 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:44:58,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:44:58,796 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:44:58,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:44:58,806 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:44:58,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004590777] [2021-03-12 01:44:58,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977960464] [2021-03-12 01:44:58,807 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 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 [2021-03-12 01:44:58,822 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-03-12 01:44:58,822 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:44:58,822 WARN L261 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 23 conjunts are in the unsatisfiable core [2021-03-12 01:44:58,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:44:58,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:44:58,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:44:58,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:44:58,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:44:58,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:44:58,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:44:58,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:44:58,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:44:58,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:44:58,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:44:58,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:44:58,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:44:58,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:44:58,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:44:58,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:44:58,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:44:58,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:44:58,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:44:58,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:44:58,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:44:58,857 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-12 01:44:58,858 INFO L147 QuantifierPusher]: treesize reduction 25, result has 34.2 percent of original size 13 [2021-03-12 01:44:58,858 INFO L142 QuantifierPusher]: treesize reduction 25, result has 34.2 percent of original size [2021-03-12 01:44:58,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:44:58,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:44:58,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:44:58,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:44:58,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:44:58,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:44:58,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:44:58,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:44:58,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:44:58,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:44:58,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:44:58,888 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-12 01:44:58,888 INFO L147 QuantifierPusher]: treesize reduction 15, result has 53.1 percent of original size 17 [2021-03-12 01:44:58,889 INFO L142 QuantifierPusher]: treesize reduction 15, result has 53.1 percent of original size [2021-03-12 01:44:58,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:44:58,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:44:58,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:44:58,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:44:58,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:44:58,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:44:58,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:44:58,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:44:58,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:44:58,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:44:58,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:44:58,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:44:58,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:44:58,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:44:58,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:44:58,939 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:44:58,940 INFO L147 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size 20 [2021-03-12 01:44:58,940 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-03-12 01:44:58,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:44:58,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:44:58,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:44:58,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:44:58,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:44:58,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:44:58,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:44:58,981 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-03-12 01:44:58,981 INFO L147 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size 44 [2021-03-12 01:44:58,982 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-03-12 01:44:58,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:44:58,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:44:58,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:58,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:44:59,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:59,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:44:59,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:59,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:44:59,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:59,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:44:59,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:59,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:44:59,017 INFO L142 QuantifierPusher]: treesize reduction 9, result has 82.7 percent of original size [2021-03-12 01:44:59,017 INFO L147 QuantifierPusher]: treesize reduction 17, result has 60.5 percent of original size 26 [2021-03-12 01:44:59,018 INFO L142 QuantifierPusher]: treesize reduction 17, result has 61.4 percent of original size [2021-03-12 01:44:59,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:44:59,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:59,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:44:59,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:44:59,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:59,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:44:59,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:59,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:44:59,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:59,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:44:59,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:59,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:44:59,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:59,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:44:59,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:59,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:44:59,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:59,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:44:59,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:59,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:44:59,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:59,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:44:59,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:44:59,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:44:59,041 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:44:59,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:44:59,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 23 [2021-03-12 01:44:59,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372975745] [2021-03-12 01:44:59,041 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-03-12 01:44:59,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:44:59,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-03-12 01:44:59,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=509, Unknown=0, NotChecked=0, Total=600 [2021-03-12 01:44:59,041 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:44:59,042 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 884 places, 3691 transitions, 193706 flow. Second operand has 25 states, 25 states have (on average 11.28) internal successors, (282), 25 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:44:59,042 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:44:59,042 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:44:59,042 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:45:15,258 INFO L129 PetriNetUnfolder]: 3493/7475 cut-off events. [2021-03-12 01:45:15,258 INFO L130 PetriNetUnfolder]: For 1661186/1661186 co-relation queries the response was YES. [2021-03-12 01:45:15,406 INFO L84 FinitePrefix]: Finished finitePrefix Result has 208832 conditions, 7475 events. 3493/7475 cut-off events. For 1661186/1661186 co-relation queries the response was YES. Maximal size of possible extension queue 585. Compared 65642 event pairs, 206 based on Foata normal form. 4/7479 useless extension candidates. Maximal degree in co-relation 208522. Up to 4945 conditions per place. [2021-03-12 01:45:15,464 INFO L132 encePairwiseOnDemand]: 24/32 looper letters, 1840 selfloop transitions, 1955 changer transitions 43/3842 dead transitions. [2021-03-12 01:45:15,464 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 884 places, 3842 transitions, 211776 flow [2021-03-12 01:45:15,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-03-12 01:45:15,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-03-12 01:45:15,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 398 transitions. [2021-03-12 01:45:15,465 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4012096774193548 [2021-03-12 01:45:15,465 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 398 transitions. [2021-03-12 01:45:15,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 398 transitions. [2021-03-12 01:45:15,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:45:15,465 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 398 transitions. [2021-03-12 01:45:15,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 12.838709677419354) internal successors, (398), 31 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:45:15,467 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 32.0) internal successors, (1024), 32 states have internal predecessors, (1024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:45:15,467 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 32.0) internal successors, (1024), 32 states have internal predecessors, (1024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:45:15,467 INFO L185 Difference]: Start difference. First operand has 884 places, 3691 transitions, 193706 flow. Second operand 31 states and 398 transitions. [2021-03-12 01:45:15,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 884 places, 3842 transitions, 211776 flow [2021-03-12 01:45:33,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 857 places, 3842 transitions, 207959 flow, removed 1881 selfloop flow, removed 27 redundant places. [2021-03-12 01:45:33,923 INFO L241 Difference]: Finished difference. Result has 868 places, 3782 transitions, 200940 flow [2021-03-12 01:45:33,925 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=190875, PETRI_DIFFERENCE_MINUEND_PLACES=827, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3691, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1869, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1788, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=200940, PETRI_PLACES=868, PETRI_TRANSITIONS=3782} [2021-03-12 01:45:33,925 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 851 predicate places. [2021-03-12 01:45:33,925 INFO L480 AbstractCegarLoop]: Abstraction has has 868 places, 3782 transitions, 200940 flow [2021-03-12 01:45:33,925 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 11.28) internal successors, (282), 25 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:45:33,925 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:45:33,925 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:45:34,126 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable169 [2021-03-12 01:45:34,127 INFO L428 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:45:34,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:45:34,127 INFO L82 PathProgramCache]: Analyzing trace with hash 474262606, now seen corresponding path program 64 times [2021-03-12 01:45:34,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:45:34,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669207685] [2021-03-12 01:45:34,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:45:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:45:34,136 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-03-12 01:45:34,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:45:34,146 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-12 01:45:34,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:45:34,159 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-03-12 01:45:34,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-12 01:45:34,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:45:34,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:45:34,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:45:34,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:45:34,221 INFO L142 QuantifierPusher]: treesize reduction 49, result has 31.0 percent of original size [2021-03-12 01:45:34,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:45:34,232 INFO L142 QuantifierPusher]: treesize reduction 48, result has 30.4 percent of original size [2021-03-12 01:45:34,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:45:34,244 INFO L142 QuantifierPusher]: treesize reduction 47, result has 29.9 percent of original size [2021-03-12 01:45:34,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:45:34,256 INFO L142 QuantifierPusher]: treesize reduction 40, result has 23.1 percent of original size [2021-03-12 01:45:34,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:45:34,265 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:45:34,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669207685] [2021-03-12 01:45:34,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650873019] [2021-03-12 01:45:34,265 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-12 01:45:34,278 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 01:45:34,278 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:45:34,279 WARN L261 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 22 conjunts are in the unsatisfiable core [2021-03-12 01:45:34,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:45:34,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:45:34,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:45:34,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:45:34,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:45:34,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:45:34,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:45:34,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:45:34,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:45:34,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:45:34,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:45:34,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:45:34,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:45:34,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:45:34,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:45:34,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:45:34,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:45:34,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:45:34,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:45:34,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:45:34,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:45:34,312 INFO L142 QuantifierPusher]: treesize reduction 16, result has 61.9 percent of original size [2021-03-12 01:45:34,312 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-12 01:45:34,313 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-12 01:45:34,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:45:34,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:45:34,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:45:34,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:45:34,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:45:34,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:45:34,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:45:34,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:45:34,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:45:34,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:45:34,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:45:34,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:45:34,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:45:34,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:45:34,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:45:34,362 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:45:34,362 INFO L147 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size 18 [2021-03-12 01:45:34,363 INFO L142 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size [2021-03-12 01:45:34,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:45:34,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:45:34,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:45:34,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:45:34,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:45:34,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:45:34,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:45:34,381 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:45:34,382 INFO L147 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size 20 [2021-03-12 01:45:34,382 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-03-12 01:45:34,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:45:34,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:45:34,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:45:34,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:45:34,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:45:34,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:45:34,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:45:34,446 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:45:34,446 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.9 percent of original size 37 [2021-03-12 01:45:34,446 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.9 percent of original size [2021-03-12 01:45:34,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:45:34,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:45:34,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:45:34,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:45:34,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:45:34,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:45:34,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:45:34,504 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-12 01:45:34,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:45:34,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:45:34,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:45:34,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:45:34,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:45:34,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:45:34,534 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-03-12 01:45:34,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:45:34,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:45:34,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:45:34,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:45:34,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,537 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:45:34,537 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:45:34,537 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:45:34,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:45:34,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:45:34,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:45:34,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:45:34,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:45:34,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:45:34,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:45:34,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:45:34,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:45:34,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:45:34,570 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:45:34,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:45:34,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 22 [2021-03-12 01:45:34,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948707251] [2021-03-12 01:45:34,570 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-03-12 01:45:34,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:45:34,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-03-12 01:45:34,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=464, Unknown=0, NotChecked=0, Total=552 [2021-03-12 01:45:34,571 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:45:34,571 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 868 places, 3782 transitions, 200940 flow. Second operand has 24 states, 24 states have (on average 11.333333333333334) internal successors, (272), 24 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:45:34,571 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:45:34,571 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:45:34,571 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:45:49,776 INFO L129 PetriNetUnfolder]: 3558/7596 cut-off events. [2021-03-12 01:45:49,776 INFO L130 PetriNetUnfolder]: For 1603859/1603859 co-relation queries the response was YES. [2021-03-12 01:45:49,921 INFO L84 FinitePrefix]: Finished finitePrefix Result has 213730 conditions, 7596 events. 3558/7596 cut-off events. For 1603859/1603859 co-relation queries the response was YES. Maximal size of possible extension queue 600. Compared 66636 event pairs, 483 based on Foata normal form. 3/7599 useless extension candidates. Maximal degree in co-relation 213425. Up to 7038 conditions per place. [2021-03-12 01:45:49,980 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 3537 selfloop transitions, 363 changer transitions 9/3913 dead transitions. [2021-03-12 01:45:49,980 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 883 places, 3913 transitions, 217265 flow [2021-03-12 01:45:49,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 01:45:49,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-12 01:45:49,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 276 transitions. [2021-03-12 01:45:49,981 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4107142857142857 [2021-03-12 01:45:49,981 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 276 transitions. [2021-03-12 01:45:49,981 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 276 transitions. [2021-03-12 01:45:49,981 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:45:49,981 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 276 transitions. [2021-03-12 01:45:49,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 13.142857142857142) internal successors, (276), 21 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:45:49,982 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 32.0) internal successors, (704), 22 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:45:49,982 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 32.0) internal successors, (704), 22 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:45:49,982 INFO L185 Difference]: Start difference. First operand has 868 places, 3782 transitions, 200940 flow. Second operand 21 states and 276 transitions. [2021-03-12 01:45:49,982 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 883 places, 3913 transitions, 217265 flow [2021-03-12 01:46:08,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 864 places, 3913 transitions, 214892 flow, removed 456 selfloop flow, removed 19 redundant places. [2021-03-12 01:46:08,139 INFO L241 Difference]: Finished difference. Result has 872 places, 3872 transitions, 206224 flow [2021-03-12 01:46:08,141 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=198668, PETRI_DIFFERENCE_MINUEND_PLACES=844, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3782, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=282, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3429, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=206224, PETRI_PLACES=872, PETRI_TRANSITIONS=3872} [2021-03-12 01:46:08,141 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 855 predicate places. [2021-03-12 01:46:08,141 INFO L480 AbstractCegarLoop]: Abstraction has has 872 places, 3872 transitions, 206224 flow [2021-03-12 01:46:08,141 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 11.333333333333334) internal successors, (272), 24 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:46:08,141 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:46:08,141 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:46:08,341 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170,64 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:46:08,342 INFO L428 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:46:08,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:46:08,342 INFO L82 PathProgramCache]: Analyzing trace with hash -107807906, now seen corresponding path program 65 times [2021-03-12 01:46:08,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:46:08,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731935066] [2021-03-12 01:46:08,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:46:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:46:08,350 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-03-12 01:46:08,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:46:08,361 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-12 01:46:08,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:46:08,372 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-03-12 01:46:08,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-12 01:46:08,384 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-12 01:46:08,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:46:08,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:46:08,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:46:08,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:46:08,428 INFO L142 QuantifierPusher]: treesize reduction 18, result has 51.4 percent of original size [2021-03-12 01:46:08,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:46:08,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:46:08,449 INFO L142 QuantifierPusher]: treesize reduction 47, result has 29.9 percent of original size [2021-03-12 01:46:08,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:46:08,461 INFO L142 QuantifierPusher]: treesize reduction 40, result has 23.1 percent of original size [2021-03-12 01:46:08,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:46:08,471 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:46:08,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731935066] [2021-03-12 01:46:08,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417147364] [2021-03-12 01:46:08,471 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-12 01:46:08,485 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-03-12 01:46:08,485 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:46:08,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-12 01:46:08,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:46:08,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:08,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:08,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:08,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:08,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:08,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:08,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:08,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:08,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:08,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:08,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:08,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:08,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:08,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:08,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:08,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:08,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:46:08,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:46:08,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:46:08,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:46:08,517 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-12 01:46:08,517 INFO L147 QuantifierPusher]: treesize reduction 25, result has 34.2 percent of original size 13 [2021-03-12 01:46:08,518 INFO L142 QuantifierPusher]: treesize reduction 25, result has 34.2 percent of original size [2021-03-12 01:46:08,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:08,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:08,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:08,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:08,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:08,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:08,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:08,532 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-12 01:46:08,532 INFO L147 QuantifierPusher]: treesize reduction 15, result has 50.0 percent of original size 15 [2021-03-12 01:46:08,532 INFO L142 QuantifierPusher]: treesize reduction 15, result has 50.0 percent of original size [2021-03-12 01:46:08,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:46:08,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:46:08,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:46:08,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:46:08,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:46:08,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:46:08,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:46:08,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:46:08,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:46:08,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:46:08,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:46:08,564 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-12 01:46:08,564 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size 34 [2021-03-12 01:46:08,565 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-12 01:46:08,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:46:08,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:46:08,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:46:08,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:46:08,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-12 01:46:08,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:46:08,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:46:08,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-12 01:46:08,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:46:08,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,592 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:46:08,592 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:46:08,592 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:46:08,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:46:08,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:46:08,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:46:08,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:46:08,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:46:08,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:46:08,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:46:08,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:46:08,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:46:08,647 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-03-12 01:46:08,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:46:08,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:46:08,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:46:08,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:46:08,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-12 01:46:08,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-12 01:46:08,675 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.3 percent of original size [2021-03-12 01:46:08,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:46:08,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-12 01:46:08,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-12 01:46:08,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:46:08,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-12 01:46:08,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-12 01:46:08,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,679 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:46:08,679 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:46:08,679 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,680 INFO L147 QuantifierPusher]: treesize reduction 4, result has 94.5 percent of original size 69 [2021-03-12 01:46:08,710 INFO L142 QuantifierPusher]: treesize reduction 4, result has 94.5 percent of original size [2021-03-12 01:46:08,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-12 01:46:08,757 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-03-12 01:46:08,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:46:08,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:46:08,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:46:08,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:46:08,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,760 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:46:08,760 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:46:08,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:46:08,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:46:08,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:46:08,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:46:08,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:46:08,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:46:08,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:46:08,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:46:08,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:46:08,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:46:08,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:08,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:46:08,792 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:46:08,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:46:08,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 22 [2021-03-12 01:46:08,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272686320] [2021-03-12 01:46:08,792 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-03-12 01:46:08,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:46:08,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-03-12 01:46:08,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=471, Unknown=0, NotChecked=0, Total=552 [2021-03-12 01:46:08,793 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:46:08,793 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 872 places, 3872 transitions, 206224 flow. Second operand has 24 states, 24 states have (on average 11.333333333333334) internal successors, (272), 24 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:46:08,793 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:46:08,793 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:46:08,793 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:46:24,351 INFO L129 PetriNetUnfolder]: 3580/7651 cut-off events. [2021-03-12 01:46:24,352 INFO L130 PetriNetUnfolder]: For 1606655/1606655 co-relation queries the response was YES. [2021-03-12 01:46:24,719 INFO L84 FinitePrefix]: Finished finitePrefix Result has 214537 conditions, 7651 events. 3580/7651 cut-off events. For 1606655/1606655 co-relation queries the response was YES. Maximal size of possible extension queue 602. Compared 67262 event pairs, 527 based on Foata normal form. 2/7653 useless extension candidates. Maximal degree in co-relation 214230. Up to 7135 conditions per place. [2021-03-12 01:46:24,790 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 3591 selfloop transitions, 338 changer transitions 6/3939 dead transitions. [2021-03-12 01:46:24,790 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 890 places, 3939 transitions, 218525 flow [2021-03-12 01:46:24,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-12 01:46:24,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-03-12 01:46:24,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 281 transitions. [2021-03-12 01:46:24,791 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.3991477272727273 [2021-03-12 01:46:24,791 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 281 transitions. [2021-03-12 01:46:24,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 281 transitions. [2021-03-12 01:46:24,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:46:24,791 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 281 transitions. [2021-03-12 01:46:24,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 12.772727272727273) internal successors, (281), 22 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:46:24,792 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 32.0) internal successors, (736), 23 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:46:24,792 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 32.0) internal successors, (736), 23 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:46:24,792 INFO L185 Difference]: Start difference. First operand has 872 places, 3872 transitions, 206224 flow. Second operand 22 states and 281 transitions. [2021-03-12 01:46:24,792 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 890 places, 3939 transitions, 218525 flow [2021-03-12 01:46:43,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 878 places, 3939 transitions, 217710 flow, removed 383 selfloop flow, removed 12 redundant places. [2021-03-12 01:46:43,522 INFO L241 Difference]: Finished difference. Result has 886 places, 3915 transitions, 209569 flow [2021-03-12 01:46:43,524 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=205417, PETRI_DIFFERENCE_MINUEND_PLACES=857, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3872, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=303, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3544, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=209569, PETRI_PLACES=886, PETRI_TRANSITIONS=3915} [2021-03-12 01:46:43,524 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 869 predicate places. [2021-03-12 01:46:43,524 INFO L480 AbstractCegarLoop]: Abstraction has has 886 places, 3915 transitions, 209569 flow [2021-03-12 01:46:43,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 11.333333333333334) internal successors, (272), 24 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:46:43,525 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:46:43,525 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:46:43,725 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172,65 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:46:43,725 INFO L428 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:46:43,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:46:43,725 INFO L82 PathProgramCache]: Analyzing trace with hash -527643982, now seen corresponding path program 66 times [2021-03-12 01:46:43,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:46:43,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841545878] [2021-03-12 01:46:43,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:46:43,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:46:43,743 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-03-12 01:46:43,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:46:43,755 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-12 01:46:43,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:46:43,768 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-03-12 01:46:43,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-12 01:46:43,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:46:43,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:46:43,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:46:43,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:46:43,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:46:43,841 INFO L142 QuantifierPusher]: treesize reduction 48, result has 30.4 percent of original size [2021-03-12 01:46:43,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:46:43,854 INFO L142 QuantifierPusher]: treesize reduction 47, result has 29.9 percent of original size [2021-03-12 01:46:43,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:46:43,867 INFO L142 QuantifierPusher]: treesize reduction 40, result has 23.1 percent of original size [2021-03-12 01:46:43,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:46:43,877 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:46:43,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841545878] [2021-03-12 01:46:43,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450322594] [2021-03-12 01:46:43,878 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-12 01:46:43,893 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-03-12 01:46:43,893 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:46:43,893 WARN L261 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 22 conjunts are in the unsatisfiable core [2021-03-12 01:46:43,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:46:43,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:43,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:43,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:43,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:43,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:43,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:43,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:43,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:43,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:43,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:43,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:43,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:43,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:43,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:43,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:43,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:43,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:46:43,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:46:43,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:46:43,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:46:43,931 INFO L142 QuantifierPusher]: treesize reduction 16, result has 61.9 percent of original size [2021-03-12 01:46:43,931 INFO L147 QuantifierPusher]: treesize reduction 6, result has 68.4 percent of original size 13 [2021-03-12 01:46:43,932 INFO L142 QuantifierPusher]: treesize reduction 6, result has 68.4 percent of original size [2021-03-12 01:46:43,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:43,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:43,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:46:43,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:46:43,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:46:43,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:46:43,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:46:43,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:46:43,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:46:43,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:46:43,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:46:43,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:46:43,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:46:43,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:46:43,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:46:43,978 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:46:43,978 INFO L147 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size 18 [2021-03-12 01:46:43,979 INFO L142 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size [2021-03-12 01:46:43,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:46:43,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:46:43,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:46:43,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:46:43,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:46:43,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:46:43,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:46:43,996 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:46:43,996 INFO L147 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size 20 [2021-03-12 01:46:43,996 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-03-12 01:46:43,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:46:43,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:46:43,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:43,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:46:44,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:44,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:46:44,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:44,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:46:44,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:44,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:46:44,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:44,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:46:44,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:44,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:46:44,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:44,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:46:44,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:44,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:46:44,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:44,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:46:44,046 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:46:44,047 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.9 percent of original size 37 [2021-03-12 01:46:44,047 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.9 percent of original size [2021-03-12 01:46:44,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:46:44,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:44,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:46:44,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:44,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:46:44,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:44,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:46:44,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:44,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:46:44,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:44,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:46:44,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:44,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:46:44,076 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.6 percent of original size [2021-03-12 01:46:44,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-12 01:46:44,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:44,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:46:44,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:44,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:46:44,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:46:44,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:44,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:46:44,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-12 01:46:44,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:44,079 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:46:44,079 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:46:44,080 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:44,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:46:44,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:44,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:46:44,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:44,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:46:44,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:44,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:46:44,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:44,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:46:44,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:44,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:46:44,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:44,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:46:44,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:44,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:46:44,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:44,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:46:44,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:46:44,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:46:44,113 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:46:44,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:46:44,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 21 [2021-03-12 01:46:44,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829583764] [2021-03-12 01:46:44,113 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-12 01:46:44,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:46:44,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-12 01:46:44,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=423, Unknown=0, NotChecked=0, Total=506 [2021-03-12 01:46:44,114 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:46:44,114 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 886 places, 3915 transitions, 209569 flow. Second operand has 23 states, 23 states have (on average 11.391304347826088) internal successors, (262), 23 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:46:44,114 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:46:44,114 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:46:44,114 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:47:01,060 INFO L129 PetriNetUnfolder]: 3607/7710 cut-off events. [2021-03-12 01:47:01,061 INFO L130 PetriNetUnfolder]: For 1641555/1641555 co-relation queries the response was YES. [2021-03-12 01:47:01,217 INFO L84 FinitePrefix]: Finished finitePrefix Result has 216945 conditions, 7710 events. 3607/7710 cut-off events. For 1641555/1641555 co-relation queries the response was YES. Maximal size of possible extension queue 607. Compared 67936 event pairs, 420 based on Foata normal form. 3/7713 useless extension candidates. Maximal degree in co-relation 216633. Up to 7147 conditions per place. [2021-03-12 01:47:01,278 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 3665 selfloop transitions, 287 changer transitions 39/3995 dead transitions. [2021-03-12 01:47:01,278 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 903 places, 3995 transitions, 222962 flow [2021-03-12 01:47:01,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-12 01:47:01,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-03-12 01:47:01,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 288 transitions. [2021-03-12 01:47:01,291 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4090909090909091 [2021-03-12 01:47:01,291 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 288 transitions. [2021-03-12 01:47:01,291 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 288 transitions. [2021-03-12 01:47:01,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:47:01,292 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 288 transitions. [2021-03-12 01:47:01,292 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 13.090909090909092) internal successors, (288), 22 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:47:01,292 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 32.0) internal successors, (736), 23 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:47:01,292 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 32.0) internal successors, (736), 23 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:47:01,292 INFO L185 Difference]: Start difference. First operand has 886 places, 3915 transitions, 209569 flow. Second operand 22 states and 288 transitions. [2021-03-12 01:47:01,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 903 places, 3995 transitions, 222962 flow [2021-03-12 01:47:19,734 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 893 places, 3995 transitions, 222376 flow, removed 276 selfloop flow, removed 10 redundant places. [2021-03-12 01:47:19,858 INFO L241 Difference]: Finished difference. Result has 900 places, 3925 transitions, 211194 flow [2021-03-12 01:47:19,859 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=208995, PETRI_DIFFERENCE_MINUEND_PLACES=872, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3915, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=264, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3632, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=211194, PETRI_PLACES=900, PETRI_TRANSITIONS=3925} [2021-03-12 01:47:19,860 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 883 predicate places. [2021-03-12 01:47:19,860 INFO L480 AbstractCegarLoop]: Abstraction has has 900 places, 3925 transitions, 211194 flow [2021-03-12 01:47:19,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 11.391304347826088) internal successors, (262), 23 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:47:19,860 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:47:19,860 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:47:20,060 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable176 [2021-03-12 01:47:20,060 INFO L428 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:47:20,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:47:20,060 INFO L82 PathProgramCache]: Analyzing trace with hash 1326737462, now seen corresponding path program 67 times [2021-03-12 01:47:20,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:47:20,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428722089] [2021-03-12 01:47:20,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:47:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:47:20,077 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-03-12 01:47:20,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:47:20,087 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-12 01:47:20,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:47:20,099 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-03-12 01:47:20,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-12 01:47:20,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:47:20,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:47:20,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:47:20,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:47:20,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:47:20,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:47:20,175 INFO L142 QuantifierPusher]: treesize reduction 27, result has 55.0 percent of original size [2021-03-12 01:47:20,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-12 01:47:20,196 INFO L142 QuantifierPusher]: treesize reduction 40, result has 23.1 percent of original size [2021-03-12 01:47:20,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:47:20,206 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:47:20,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428722089] [2021-03-12 01:47:20,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843817858] [2021-03-12 01:47:20,206 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-12 01:47:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:47:20,220 WARN L261 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 22 conjunts are in the unsatisfiable core [2021-03-12 01:47:20,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:47:20,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:20,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:20,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:20,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:20,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:20,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:20,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:20,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:20,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:20,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:20,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:20,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:20,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:20,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:20,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:20,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:20,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:47:20,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:47:20,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:47:20,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:47:20,254 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-12 01:47:20,254 INFO L147 QuantifierPusher]: treesize reduction 25, result has 34.2 percent of original size 13 [2021-03-12 01:47:20,255 INFO L142 QuantifierPusher]: treesize reduction 25, result has 34.2 percent of original size [2021-03-12 01:47:20,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:20,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:20,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:20,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:47:20,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:47:20,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:47:20,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:47:20,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:47:20,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:47:20,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:47:20,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:47:20,285 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-12 01:47:20,285 INFO L147 QuantifierPusher]: treesize reduction 15, result has 53.1 percent of original size 17 [2021-03-12 01:47:20,286 INFO L142 QuantifierPusher]: treesize reduction 15, result has 53.1 percent of original size [2021-03-12 01:47:20,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:47:20,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:47:20,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:47:20,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:47:20,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:47:20,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:47:20,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:47:20,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:47:20,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:47:20,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:47:20,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:47:20,320 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:47:20,320 INFO L147 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size 20 [2021-03-12 01:47:20,320 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-03-12 01:47:20,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:47:20,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:47:20,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:47:20,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:47:20,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:47:20,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:47:20,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:47:20,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:47:20,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:47:20,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:47:20,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:47:20,358 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-12 01:47:20,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:47:20,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:47:20,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:47:20,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:47:20,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:47:20,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:47:20,377 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:47:20,377 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size 35 [2021-03-12 01:47:20,378 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-03-12 01:47:20,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:47:20,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:47:20,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:47:20,405 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-03-12 01:47:20,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:47:20,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:47:20,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:47:20,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:47:20,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,407 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:47:20,407 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:47:20,408 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:47:20,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:47:20,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:47:20,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:47:20,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:47:20,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:47:20,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:47:20,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:47:20,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:47:20,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:20,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:47:20,438 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:47:20,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:47:20,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 22 [2021-03-12 01:47:20,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686833633] [2021-03-12 01:47:20,438 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-03-12 01:47:20,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:47:20,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-03-12 01:47:20,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2021-03-12 01:47:20,438 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:47:20,439 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 900 places, 3925 transitions, 211194 flow. Second operand has 24 states, 24 states have (on average 11.333333333333334) internal successors, (272), 24 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:47:20,439 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:47:20,439 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:47:20,439 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:47:37,233 INFO L129 PetriNetUnfolder]: 3645/7775 cut-off events. [2021-03-12 01:47:37,233 INFO L130 PetriNetUnfolder]: For 1692599/1692599 co-relation queries the response was YES. [2021-03-12 01:47:37,387 INFO L84 FinitePrefix]: Finished finitePrefix Result has 220147 conditions, 7775 events. 3645/7775 cut-off events. For 1692599/1692599 co-relation queries the response was YES. Maximal size of possible extension queue 612. Compared 68465 event pairs, 491 based on Foata normal form. 7/7782 useless extension candidates. Maximal degree in co-relation 219830. Up to 7082 conditions per place. [2021-03-12 01:47:37,448 INFO L132 encePairwiseOnDemand]: 24/32 looper letters, 3613 selfloop transitions, 367 changer transitions 43/4027 dead transitions. [2021-03-12 01:47:37,448 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 916 places, 4027 transitions, 226202 flow [2021-03-12 01:47:37,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 01:47:37,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-12 01:47:37,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 271 transitions. [2021-03-12 01:47:37,449 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.40327380952380953 [2021-03-12 01:47:37,449 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 271 transitions. [2021-03-12 01:47:37,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 271 transitions. [2021-03-12 01:47:37,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:47:37,450 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 271 transitions. [2021-03-12 01:47:37,450 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 12.904761904761905) internal successors, (271), 21 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:47:37,450 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 32.0) internal successors, (704), 22 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:47:37,450 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 32.0) internal successors, (704), 22 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:47:37,450 INFO L185 Difference]: Start difference. First operand has 900 places, 3925 transitions, 211194 flow. Second operand 21 states and 271 transitions. [2021-03-12 01:47:37,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 916 places, 4027 transitions, 226202 flow [2021-03-12 01:47:57,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 897 places, 4027 transitions, 225702 flow, removed 179 selfloop flow, removed 19 redundant places. [2021-03-12 01:47:57,229 INFO L241 Difference]: Finished difference. Result has 906 places, 3947 transitions, 213756 flow [2021-03-12 01:47:57,231 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=210748, PETRI_DIFFERENCE_MINUEND_PLACES=877, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3925, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=339, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3560, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=213756, PETRI_PLACES=906, PETRI_TRANSITIONS=3947} [2021-03-12 01:47:57,231 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 889 predicate places. [2021-03-12 01:47:57,231 INFO L480 AbstractCegarLoop]: Abstraction has has 906 places, 3947 transitions, 213756 flow [2021-03-12 01:47:57,231 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 11.333333333333334) internal successors, (272), 24 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:47:57,231 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:47:57,231 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:47:57,431 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 67 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable178 [2021-03-12 01:47:57,431 INFO L428 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:47:57,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:47:57,432 INFO L82 PathProgramCache]: Analyzing trace with hash 1972272750, now seen corresponding path program 68 times [2021-03-12 01:47:57,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:47:57,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756847007] [2021-03-12 01:47:57,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:47:57,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:47:57,441 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-03-12 01:47:57,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:47:57,452 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-12 01:47:57,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:47:57,463 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-03-12 01:47:57,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-12 01:47:57,475 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-12 01:47:57,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:47:57,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:47:57,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:47:57,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:47:57,519 INFO L142 QuantifierPusher]: treesize reduction 20, result has 48.7 percent of original size [2021-03-12 01:47:57,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:47:57,529 INFO L142 QuantifierPusher]: treesize reduction 48, result has 30.4 percent of original size [2021-03-12 01:47:57,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:47:57,540 INFO L142 QuantifierPusher]: treesize reduction 47, result has 29.9 percent of original size [2021-03-12 01:47:57,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:47:57,552 INFO L142 QuantifierPusher]: treesize reduction 40, result has 23.1 percent of original size [2021-03-12 01:47:57,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:47:57,561 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:47:57,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756847007] [2021-03-12 01:47:57,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004756628] [2021-03-12 01:47:57,562 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 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 [2021-03-12 01:47:57,574 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 01:47:57,574 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:47:57,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-12 01:47:57,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:47:57,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:57,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:57,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:57,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:57,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:57,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:57,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:57,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:57,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:57,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:57,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:57,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:57,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:57,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:57,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:57,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:57,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:47:57,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:47:57,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:47:57,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:47:57,606 INFO L142 QuantifierPusher]: treesize reduction 16, result has 61.9 percent of original size [2021-03-12 01:47:57,607 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-12 01:47:57,607 INFO L142 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-03-12 01:47:57,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:57,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:57,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:57,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:57,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:57,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:57,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:47:57,621 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-12 01:47:57,621 INFO L147 QuantifierPusher]: treesize reduction 15, result has 50.0 percent of original size 15 [2021-03-12 01:47:57,622 INFO L142 QuantifierPusher]: treesize reduction 15, result has 50.0 percent of original size [2021-03-12 01:47:57,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:47:57,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:47:57,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:47:57,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:47:57,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:47:57,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:47:57,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:47:57,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:47:57,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:47:57,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:47:57,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:47:57,654 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-12 01:47:57,654 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size 34 [2021-03-12 01:47:57,654 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-12 01:47:57,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:47:57,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:47:57,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:47:57,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:47:57,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-12 01:47:57,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:47:57,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:47:57,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-12 01:47:57,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:47:57,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,682 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:47:57,682 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:47:57,682 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:47:57,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:47:57,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:47:57,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:47:57,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:47:57,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:47:57,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:47:57,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:47:57,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:47:57,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:47:57,736 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.4 percent of original size [2021-03-12 01:47:57,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:47:57,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-12 01:47:57,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-12 01:47:57,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:47:57,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-12 01:47:57,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-12 01:47:57,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,739 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:47:57,740 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:47:57,740 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,741 INFO L147 QuantifierPusher]: treesize reduction 4, result has 94.7 percent of original size 71 [2021-03-12 01:47:57,741 INFO L142 QuantifierPusher]: treesize reduction 4, result has 94.7 percent of original size [2021-03-12 01:47:57,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-12 01:47:57,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:47:57,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:47:57,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:47:57,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:47:57,790 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.6 percent of original size [2021-03-12 01:47:57,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-12 01:47:57,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:47:57,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:47:57,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:47:57,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:47:57,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-12 01:47:57,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,793 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:47:57,793 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:47:57,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:47:57,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:47:57,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:47:57,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:47:57,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:47:57,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:47:57,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:47:57,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:47:57,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:47:57,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:47:57,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:47:57,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:47:57,825 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:47:57,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:47:57,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 21 [2021-03-12 01:47:57,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094560466] [2021-03-12 01:47:57,825 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-12 01:47:57,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:47:57,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-12 01:47:57,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=424, Unknown=0, NotChecked=0, Total=506 [2021-03-12 01:47:57,825 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:47:57,826 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 906 places, 3947 transitions, 213756 flow. Second operand has 23 states, 23 states have (on average 11.391304347826088) internal successors, (262), 23 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:47:57,826 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:47:57,826 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:47:57,826 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:48:14,601 INFO L129 PetriNetUnfolder]: 3653/7765 cut-off events. [2021-03-12 01:48:14,602 INFO L130 PetriNetUnfolder]: For 1686066/1686066 co-relation queries the response was YES. [2021-03-12 01:48:14,871 INFO L84 FinitePrefix]: Finished finitePrefix Result has 221129 conditions, 7765 events. 3653/7765 cut-off events. For 1686066/1686066 co-relation queries the response was YES. Maximal size of possible extension queue 596. Compared 67982 event pairs, 469 based on Foata normal form. 2/7767 useless extension candidates. Maximal degree in co-relation 220808. Up to 6960 conditions per place. [2021-03-12 01:48:14,932 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 3477 selfloop transitions, 566 changer transitions 8/4055 dead transitions. [2021-03-12 01:48:14,932 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 922 places, 4055 transitions, 228657 flow [2021-03-12 01:48:14,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-12 01:48:14,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-03-12 01:48:14,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 316 transitions. [2021-03-12 01:48:14,933 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4114583333333333 [2021-03-12 01:48:14,933 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 316 transitions. [2021-03-12 01:48:14,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 316 transitions. [2021-03-12 01:48:14,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:48:14,934 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 316 transitions. [2021-03-12 01:48:14,934 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 13.166666666666666) internal successors, (316), 24 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:48:14,934 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 32.0) internal successors, (800), 25 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:48:14,934 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 32.0) internal successors, (800), 25 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:48:14,934 INFO L185 Difference]: Start difference. First operand has 906 places, 3947 transitions, 213756 flow. Second operand 24 states and 316 transitions. [2021-03-12 01:48:14,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 922 places, 4055 transitions, 228657 flow [2021-03-12 01:48:35,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 900 places, 4055 transitions, 228254 flow, removed 148 selfloop flow, removed 22 redundant places. [2021-03-12 01:48:35,553 INFO L241 Difference]: Finished difference. Result has 906 places, 3992 transitions, 218088 flow [2021-03-12 01:48:35,555 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=213403, PETRI_DIFFERENCE_MINUEND_PLACES=877, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3947, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=531, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=218088, PETRI_PLACES=906, PETRI_TRANSITIONS=3992} [2021-03-12 01:48:35,555 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 889 predicate places. [2021-03-12 01:48:35,555 INFO L480 AbstractCegarLoop]: Abstraction has has 906 places, 3992 transitions, 218088 flow [2021-03-12 01:48:35,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 11.391304347826088) internal successors, (262), 23 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:48:35,555 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:48:35,555 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:48:35,769 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180,68 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:48:35,769 INFO L428 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:48:35,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:48:35,769 INFO L82 PathProgramCache]: Analyzing trace with hash -395935758, now seen corresponding path program 69 times [2021-03-12 01:48:35,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:48:35,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010426570] [2021-03-12 01:48:35,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:48:35,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:48:35,778 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-03-12 01:48:35,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:48:35,788 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-12 01:48:35,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:48:35,801 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-03-12 01:48:35,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-12 01:48:35,815 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-12 01:48:35,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:48:35,830 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-12 01:48:35,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:48:35,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:35,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-12 01:48:35,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:35,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:48:35,864 INFO L142 QuantifierPusher]: treesize reduction 49, result has 31.0 percent of original size [2021-03-12 01:48:35,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:48:35,876 INFO L142 QuantifierPusher]: treesize reduction 48, result has 30.4 percent of original size [2021-03-12 01:48:35,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:48:35,888 INFO L142 QuantifierPusher]: treesize reduction 40, result has 23.1 percent of original size [2021-03-12 01:48:35,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:48:35,897 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:48:35,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010426570] [2021-03-12 01:48:35,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795181625] [2021-03-12 01:48:35,898 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 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 [2021-03-12 01:48:35,912 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-03-12 01:48:35,913 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:48:35,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-12 01:48:35,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:48:35,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:35,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:48:35,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:35,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:48:35,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:35,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:48:35,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:35,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:48:35,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:35,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:48:35,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:35,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:48:35,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:35,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:48:35,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:35,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:48:35,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:35,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:48:35,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:35,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:48:35,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:35,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:48:35,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:35,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:48:35,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:35,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:48:35,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:35,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:48:35,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:35,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:48:35,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:35,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:48:35,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:35,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:48:35,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:35,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:48:35,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:35,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:48:35,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:35,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:48:35,947 INFO L142 QuantifierPusher]: treesize reduction 16, result has 61.9 percent of original size [2021-03-12 01:48:35,947 INFO L147 QuantifierPusher]: treesize reduction 6, result has 68.4 percent of original size 13 [2021-03-12 01:48:35,948 INFO L142 QuantifierPusher]: treesize reduction 6, result has 68.4 percent of original size [2021-03-12 01:48:35,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:48:35,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:35,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:48:35,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:35,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:48:35,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:35,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:48:35,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:35,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:48:35,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:35,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:48:35,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:35,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:48:35,963 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-12 01:48:35,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:48:35,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:35,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:48:35,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:35,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:48:35,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:35,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:48:35,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:35,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:48:35,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:35,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:48:35,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:35,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:48:35,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:35,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:48:35,982 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-12 01:48:35,983 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size 32 [2021-03-12 01:48:35,983 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-12 01:48:35,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:48:35,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:35,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:48:35,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:35,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-12 01:48:36,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:48:36,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:48:36,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:48:36,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-12 01:48:36,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:48:36,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-12 01:48:36,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:48:36,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:48:36,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-12 01:48:36,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-12 01:48:36,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,039 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:48:36,039 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:48:36,039 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:48:36,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:48:36,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:48:36,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:48:36,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:48:36,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:48:36,069 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.4 percent of original size [2021-03-12 01:48:36,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:48:36,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-12 01:48:36,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-12 01:48:36,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:48:36,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-12 01:48:36,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-12 01:48:36,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,073 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:48:36,073 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:48:36,073 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,074 INFO L147 QuantifierPusher]: treesize reduction 4, result has 94.7 percent of original size 71 [2021-03-12 01:48:36,075 INFO L142 QuantifierPusher]: treesize reduction 4, result has 94.7 percent of original size [2021-03-12 01:48:36,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-12 01:48:36,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:48:36,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:48:36,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:48:36,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-12 01:48:36,149 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-12 01:48:36,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:48:36,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:48:36,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:48:36,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-12 01:48:36,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,158 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:48:36,158 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:48:36,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:48:36,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 01:48:36,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 01:48:36,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 01:48:36,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 01:48:36,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 01:48:36,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-12 01:48:36,186 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-03-12 01:48:36,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-12 01:48:36,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:48:36,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:48:36,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:48:36,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:48:36,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:48:36,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:48:36,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:48:36,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:48:36,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:48:36,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:48:36,223 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:48:36,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:48:36,224 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 21 [2021-03-12 01:48:36,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6312375] [2021-03-12 01:48:36,224 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-12 01:48:36,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:48:36,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-12 01:48:36,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=422, Unknown=0, NotChecked=0, Total=506 [2021-03-12 01:48:36,224 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:48:36,224 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 906 places, 3992 transitions, 218088 flow. Second operand has 23 states, 23 states have (on average 11.391304347826088) internal successors, (262), 23 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:48:36,224 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:48:36,224 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:48:36,224 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:48:54,093 INFO L129 PetriNetUnfolder]: 3728/7930 cut-off events. [2021-03-12 01:48:54,093 INFO L130 PetriNetUnfolder]: For 1772855/1772855 co-relation queries the response was YES. [2021-03-12 01:48:54,330 INFO L84 FinitePrefix]: Finished finitePrefix Result has 227874 conditions, 7930 events. 3728/7930 cut-off events. For 1772855/1772855 co-relation queries the response was YES. Maximal size of possible extension queue 620. Compared 69930 event pairs, 508 based on Foata normal form. 3/7933 useless extension candidates. Maximal degree in co-relation 227558. Up to 7269 conditions per place. [2021-03-12 01:48:54,392 INFO L132 encePairwiseOnDemand]: 26/32 looper letters, 3646 selfloop transitions, 445 changer transitions 6/4101 dead transitions. [2021-03-12 01:48:54,393 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 922 places, 4101 transitions, 233825 flow [2021-03-12 01:48:54,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 01:48:54,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-12 01:48:54,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 265 transitions. [2021-03-12 01:48:54,394 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.4140625 [2021-03-12 01:48:54,394 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 265 transitions. [2021-03-12 01:48:54,394 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 265 transitions. [2021-03-12 01:48:54,394 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:48:54,394 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 265 transitions. [2021-03-12 01:48:54,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 13.25) internal successors, (265), 20 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:48:54,394 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 32.0) internal successors, (672), 21 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:48:54,395 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 32.0) internal successors, (672), 21 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:48:54,395 INFO L185 Difference]: Start difference. First operand has 906 places, 3992 transitions, 218088 flow. Second operand 20 states and 265 transitions. [2021-03-12 01:48:54,395 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 922 places, 4101 transitions, 233825 flow [2021-03-12 01:49:15,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 904 places, 4101 transitions, 232669 flow, removed 315 selfloop flow, removed 18 redundant places. [2021-03-12 01:49:15,520 INFO L241 Difference]: Finished difference. Result has 909 places, 4062 transitions, 223534 flow [2021-03-12 01:49:15,522 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=216956, PETRI_DIFFERENCE_MINUEND_PLACES=885, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3992, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=392, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3565, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=223534, PETRI_PLACES=909, PETRI_TRANSITIONS=4062} [2021-03-12 01:49:15,522 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 892 predicate places. [2021-03-12 01:49:15,522 INFO L480 AbstractCegarLoop]: Abstraction has has 909 places, 4062 transitions, 223534 flow [2021-03-12 01:49:15,522 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 11.391304347826088) internal successors, (262), 23 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:49:15,522 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:49:15,522 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:49:15,731 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184,69 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:49:15,731 INFO L428 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:49:15,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:49:15,731 INFO L82 PathProgramCache]: Analyzing trace with hash -596257006, now seen corresponding path program 70 times [2021-03-12 01:49:15,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:49:15,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884267609] [2021-03-12 01:49:15,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:49:15,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:49:15,739 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-03-12 01:49:15,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:49:15,750 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-12 01:49:15,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:49:15,761 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-03-12 01:49:15,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-12 01:49:15,773 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-12 01:49:15,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:49:15,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:49:15,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:49:15,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:49:15,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:49:15,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:49:15,841 INFO L142 QuantifierPusher]: treesize reduction 47, result has 29.9 percent of original size [2021-03-12 01:49:15,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:49:15,853 INFO L142 QuantifierPusher]: treesize reduction 40, result has 23.1 percent of original size [2021-03-12 01:49:15,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:49:15,863 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:49:15,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884267609] [2021-03-12 01:49:15,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667567572] [2021-03-12 01:49:15,863 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-12 01:49:15,876 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 01:49:15,876 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:49:15,876 WARN L261 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 22 conjunts are in the unsatisfiable core [2021-03-12 01:49:15,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:49:15,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:15,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:15,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:15,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:15,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:15,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:15,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:15,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:15,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:15,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:15,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:15,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:15,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:15,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:15,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:15,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:15,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:49:15,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:49:15,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:49:15,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:49:15,909 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-12 01:49:15,910 INFO L147 QuantifierPusher]: treesize reduction 25, result has 34.2 percent of original size 13 [2021-03-12 01:49:15,910 INFO L142 QuantifierPusher]: treesize reduction 25, result has 34.2 percent of original size [2021-03-12 01:49:15,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:15,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:15,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:15,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:15,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:15,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:15,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:15,925 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-12 01:49:15,925 INFO L147 QuantifierPusher]: treesize reduction 15, result has 50.0 percent of original size 15 [2021-03-12 01:49:15,925 INFO L142 QuantifierPusher]: treesize reduction 15, result has 50.0 percent of original size [2021-03-12 01:49:15,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:49:15,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:49:15,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:49:15,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:49:15,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:49:15,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:49:15,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:49:15,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:49:15,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:49:15,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:49:15,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:49:15,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:49:15,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:49:15,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:49:15,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:49:15,975 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:49:15,976 INFO L147 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size 20 [2021-03-12 01:49:15,976 INFO L142 QuantifierPusher]: treesize reduction 15, result has 57.1 percent of original size [2021-03-12 01:49:15,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:49:15,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:49:15,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:49:15,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:49:15,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:49:15,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:49:15,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:49:15,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:49:15,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:49:15,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:49:15,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:15,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:49:16,014 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-12 01:49:16,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:49:16,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:16,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:49:16,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:16,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:49:16,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-12 01:49:16,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:16,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:49:16,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:16,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:49:16,033 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-12 01:49:16,034 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size 35 [2021-03-12 01:49:16,034 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-03-12 01:49:16,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:49:16,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:16,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:49:16,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:16,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-12 01:49:16,062 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-03-12 01:49:16,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-12 01:49:16,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:16,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:49:16,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:16,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-12 01:49:16,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-12 01:49:16,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:16,065 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2021-03-12 01:49:16,065 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-12 01:49:16,065 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:16,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:49:16,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:16,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:49:16,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:16,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:49:16,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:16,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:49:16,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:16,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:49:16,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:16,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:49:16,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:16,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:49:16,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:16,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:49:16,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:16,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:49:16,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:16,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:49:16,096 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:49:16,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:49:16,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 22 [2021-03-12 01:49:16,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586193016] [2021-03-12 01:49:16,097 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-03-12 01:49:16,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:49:16,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-03-12 01:49:16,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2021-03-12 01:49:16,097 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:49:16,097 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 909 places, 4062 transitions, 223534 flow. Second operand has 24 states, 24 states have (on average 11.333333333333334) internal successors, (272), 24 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:49:16,098 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:49:16,098 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:49:16,098 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:49:34,211 INFO L129 PetriNetUnfolder]: 3774/8029 cut-off events. [2021-03-12 01:49:34,211 INFO L130 PetriNetUnfolder]: For 1809312/1809312 co-relation queries the response was YES. [2021-03-12 01:49:34,379 INFO L84 FinitePrefix]: Finished finitePrefix Result has 231892 conditions, 8029 events. 3774/8029 cut-off events. For 1809312/1809312 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 71175 event pairs, 485 based on Foata normal form. 3/8032 useless extension candidates. Maximal degree in co-relation 231573. Up to 7267 conditions per place. [2021-03-12 01:49:34,553 INFO L132 encePairwiseOnDemand]: 25/32 looper letters, 3719 selfloop transitions, 400 changer transitions 44/4167 dead transitions. [2021-03-12 01:49:34,554 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 926 places, 4167 transitions, 239187 flow [2021-03-12 01:49:34,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 01:49:34,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-12 01:49:34,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 260 transitions. [2021-03-12 01:49:34,555 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.40625 [2021-03-12 01:49:34,555 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 260 transitions. [2021-03-12 01:49:34,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 260 transitions. [2021-03-12 01:49:34,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:49:34,555 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 260 transitions. [2021-03-12 01:49:34,555 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 13.0) internal successors, (260), 20 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:49:34,570 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 32.0) internal successors, (672), 21 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:49:34,570 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 32.0) internal successors, (672), 21 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:49:34,570 INFO L185 Difference]: Start difference. First operand has 909 places, 4062 transitions, 223534 flow. Second operand 20 states and 260 transitions. [2021-03-12 01:49:34,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 926 places, 4167 transitions, 239187 flow [2021-03-12 01:49:56,047 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 913 places, 4167 transitions, 238479 flow, removed 323 selfloop flow, removed 13 redundant places. [2021-03-12 01:49:56,179 INFO L241 Difference]: Finished difference. Result has 921 places, 4084 transitions, 226364 flow [2021-03-12 01:49:56,181 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=222916, PETRI_DIFFERENCE_MINUEND_PLACES=894, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4062, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=372, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3666, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=226364, PETRI_PLACES=921, PETRI_TRANSITIONS=4084} [2021-03-12 01:49:56,181 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 904 predicate places. [2021-03-12 01:49:56,181 INFO L480 AbstractCegarLoop]: Abstraction has has 921 places, 4084 transitions, 226364 flow [2021-03-12 01:49:56,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 11.333333333333334) internal successors, (272), 24 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:49:56,182 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:49:56,182 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:49:56,395 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 70 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable188 [2021-03-12 01:49:56,395 INFO L428 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:49:56,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:49:56,395 INFO L82 PathProgramCache]: Analyzing trace with hash 135174266, now seen corresponding path program 71 times [2021-03-12 01:49:56,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:49:56,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70887360] [2021-03-12 01:49:56,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:49:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:49:56,402 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-12 01:49:56,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:49:56,408 INFO L142 QuantifierPusher]: treesize reduction 9, result has 71.0 percent of original size [2021-03-12 01:49:56,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-12 01:49:56,418 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-03-12 01:49:56,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:49:56,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:49:56,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:49:56,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:49:56,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-12 01:49:56,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-12 01:49:56,512 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-03-12 01:49:56,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-12 01:49:56,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-12 01:49:56,541 INFO L142 QuantifierPusher]: treesize reduction 6, result has 75.0 percent of original size [2021-03-12 01:49:56,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-12 01:49:56,555 INFO L142 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size [2021-03-12 01:49:56,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:49:56,569 INFO L142 QuantifierPusher]: treesize reduction 14, result has 46.2 percent of original size [2021-03-12 01:49:56,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 01:49:56,581 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:49:56,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70887360] [2021-03-12 01:49:56,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963857046] [2021-03-12 01:49:56,581 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-12 01:49:56,594 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-03-12 01:49:56,595 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:49:56,595 WARN L261 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 24 conjunts are in the unsatisfiable core [2021-03-12 01:49:56,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:49:56,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:56,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:56,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:56,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:56,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:56,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:56,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:56,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:56,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:56,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:56,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:56,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:56,618 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-12 01:49:56,618 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-03-12 01:49:56,618 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-12 01:49:56,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:49:56,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:49:56,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:49:56,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:49:56,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:49:56,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:49:56,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:49:56,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:49:56,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:49:56,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:49:56,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 01:49:56,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:56,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:56,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:56,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 01:49:56,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:49:56,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:49:56,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:49:56,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 01:49:56,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:49:56,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:49:56,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:49:56,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:49:56,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:49:56,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:49:56,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:49:56,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:49:56,711 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-12 01:49:56,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:49:56,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:49:56,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:49:56,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:49:56,733 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-03-12 01:49:56,734 INFO L147 QuantifierPusher]: treesize reduction 25, result has 45.7 percent of original size 21 [2021-03-12 01:49:56,734 INFO L142 QuantifierPusher]: treesize reduction 25, result has 45.7 percent of original size [2021-03-12 01:49:56,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:49:56,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:49:56,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:49:56,755 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-03-12 01:49:56,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-12 01:49:56,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-12 01:49:56,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-12 01:49:56,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-12 01:49:56,772 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-12 01:49:56,772 INFO L147 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size 23 [2021-03-12 01:49:56,772 INFO L142 QuantifierPusher]: treesize reduction 15, result has 60.5 percent of original size [2021-03-12 01:49:56,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:49:56,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:49:56,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:49:56,794 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-03-12 01:49:56,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-12 01:49:56,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:49:56,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:49:56,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-12 01:49:56,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:49:56,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-12 01:49:56,822 INFO L142 QuantifierPusher]: treesize reduction 16, result has 64.4 percent of original size [2021-03-12 01:49:56,823 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size 20 [2021-03-12 01:49:56,823 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.9 percent of original size [2021-03-12 01:49:56,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:49:56,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:49:56,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-12 01:49:56,844 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-12 01:49:56,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-12 01:49:56,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:49:56,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:49:56,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:49:56,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:49:56,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:49:56,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:49:56,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:49:56,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:49:56,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:49:56,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:49:56,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:49:56,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 01:49:56,870 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 01:49:56,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:49:56,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 25 [2021-03-12 01:49:56,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945719103] [2021-03-12 01:49:56,870 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-03-12 01:49:56,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:49:56,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-03-12 01:49:56,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=610, Unknown=0, NotChecked=0, Total=702 [2021-03-12 01:49:56,871 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 32 [2021-03-12 01:49:56,871 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 921 places, 4084 transitions, 226364 flow. Second operand has 27 states, 27 states have (on average 11.185185185185185) internal successors, (302), 27 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:49:56,871 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:49:56,871 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 32 [2021-03-12 01:49:56,871 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:50:15,733 INFO L129 PetriNetUnfolder]: 3770/8024 cut-off events. [2021-03-12 01:50:15,733 INFO L130 PetriNetUnfolder]: For 1831617/1831617 co-relation queries the response was YES. [2021-03-12 01:50:15,897 INFO L84 FinitePrefix]: Finished finitePrefix Result has 232496 conditions, 8024 events. 3770/8024 cut-off events. For 1831617/1831617 co-relation queries the response was YES. Maximal size of possible extension queue 626. Compared 71015 event pairs, 527 based on Foata normal form. 2/8026 useless extension candidates. Maximal degree in co-relation 232172. Up to 7832 conditions per place. [2021-03-12 01:50:15,962 INFO L132 encePairwiseOnDemand]: 24/32 looper letters, 4038 selfloop transitions, 105 changer transitions 4/4151 dead transitions. [2021-03-12 01:50:15,962 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 947 places, 4151 transitions, 239354 flow [2021-03-12 01:50:15,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-03-12 01:50:15,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-03-12 01:50:15,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 409 transitions. [2021-03-12 01:50:15,963 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.3873106060606061 [2021-03-12 01:50:15,963 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 409 transitions. [2021-03-12 01:50:15,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 409 transitions. [2021-03-12 01:50:15,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 01:50:15,963 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 409 transitions. [2021-03-12 01:50:15,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 12.393939393939394) internal successors, (409), 33 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:50:15,964 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 32.0) internal successors, (1088), 34 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:50:15,964 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 32.0) internal successors, (1088), 34 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:50:15,964 INFO L185 Difference]: Start difference. First operand has 921 places, 4084 transitions, 226364 flow. Second operand 33 states and 409 transitions. [2021-03-12 01:50:15,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 947 places, 4151 transitions, 239354 flow [2021-03-12 01:50:37,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 932 places, 4151 transitions, 239032 flow, removed 136 selfloop flow, removed 15 redundant places. [2021-03-12 01:50:37,313 INFO L241 Difference]: Finished difference. Result has 945 places, 4129 transitions, 229541 flow [2021-03-12 01:50:37,315 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=226082, PETRI_DIFFERENCE_MINUEND_PLACES=900, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4084, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3987, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=229541, PETRI_PLACES=945, PETRI_TRANSITIONS=4129} [2021-03-12 01:50:37,315 INFO L335 CegarLoopForPetriNet]: 17 programPoint places, 928 predicate places. [2021-03-12 01:50:37,315 INFO L480 AbstractCegarLoop]: Abstraction has has 945 places, 4129 transitions, 229541 flow [2021-03-12 01:50:37,315 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 11.185185185185185) internal successors, (302), 27 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:50:37,315 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 01:50:37,315 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 01:50:37,515 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable190 [2021-03-12 01:50:37,516 INFO L428 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 01:50:37,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 01:50:37,516 INFO L82 PathProgramCache]: Analyzing trace with hash 844236684, now seen corresponding path program 72 times [2021-03-12 01:50:37,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 01:50:37,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811415975] [2021-03-12 01:50:37,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 01:50:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 01:50:37,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-12 01:50:37,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:50:37,537 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-12 01:50:37,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811415975] [2021-03-12 01:50:37,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1942572913] [2021-03-12 01:50:37,538 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-12 01:50:37,552 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-03-12 01:50:37,552 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 01:50:37,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-12 01:50:37,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 01:50:37,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,558 INFO L142 QuantifierPusher]: treesize reduction 16, result has 48.4 percent of original size [2021-03-12 01:50:37,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:50:37,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:50:37,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:50:37,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 01:50:37,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:50:37,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:50:37,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:50:37,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:50:37,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:50:37,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:50:37,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:50:37,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:50:37,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:50:37,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:50:37,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:50:37,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:50:37,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:50:37,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:50:37,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:50:37,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 01:50:37,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 01:50:37,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 01:50:37,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,581 INFO L142 QuantifierPusher]: treesize reduction 16, result has 48.4 percent of original size [2021-03-12 01:50:37,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,586 INFO L142 QuantifierPusher]: treesize reduction 16, result has 48.4 percent of original size [2021-03-12 01:50:37,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 01:50:37,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:50:37,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:50:37,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:50:37,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:50:37,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:50:37,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:50:37,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:50:37,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:50:37,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:50:37,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 01:50:37,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 01:50:37,594 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-12 01:50:37,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 01:50:37,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-03-12 01:50:37,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573112918] [2021-03-12 01:50:37,594 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-12 01:50:37,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 01:50:37,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-12 01:50:37,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-03-12 01:50:37,595 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 32 [2021-03-12 01:50:37,595 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 945 places, 4129 transitions, 229541 flow. Second operand has 6 states, 6 states have (on average 21.833333333333332) internal successors, (131), 6 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 01:50:37,595 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 01:50:37,595 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 32 [2021-03-12 01:50:37,595 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2021-03-12 01:50:40,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 01:50:40,820 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191,72 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 01:50:40,820 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-12 01:50:40,823 WARN L224 ceAbstractionStarter]: Timeout [2021-03-12 01:50:40,823 INFO L202 PluginConnector]: Adding new model threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 01:50:40 BasicIcfg [2021-03-12 01:50:40,823 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 01:50:40,823 INFO L168 Benchmark]: Toolchain (without parser) took 857086.24 ms. Allocated memory was 255.9 MB in the beginning and 4.8 GB in the end (delta: 4.5 GB). Free memory was 236.8 MB in the beginning and 862.0 MB in the end (delta: -625.1 MB). Peak memory consumption was 3.9 GB. Max. memory is 16.0 GB. [2021-03-12 01:50:40,823 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 255.9 MB. Free memory was 238.0 MB in the beginning and 238.0 MB in the end (delta: 2.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 01:50:40,823 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.79 ms. Allocated memory is still 255.9 MB. Free memory was 236.3 MB in the beginning and 234.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 01:50:40,823 INFO L168 Benchmark]: Boogie Preprocessor took 9.67 ms. Allocated memory is still 255.9 MB. Free memory was 234.8 MB in the beginning and 234.0 MB in the end (delta: 774.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 01:50:40,823 INFO L168 Benchmark]: RCFGBuilder took 218.16 ms. Allocated memory is still 255.9 MB. Free memory was 233.9 MB in the beginning and 239.0 MB in the end (delta: -5.2 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.0 GB. [2021-03-12 01:50:40,823 INFO L168 Benchmark]: TraceAbstraction took 856835.07 ms. Allocated memory was 255.9 MB in the beginning and 4.8 GB in the end (delta: 4.5 GB). Free memory was 238.3 MB in the beginning and 862.0 MB in the end (delta: -623.6 MB). Peak memory consumption was 3.9 GB. Max. memory is 16.0 GB. [2021-03-12 01:50:40,824 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 0.09 ms. Allocated memory is still 255.9 MB. Free memory was 238.0 MB in the beginning and 238.0 MB in the end (delta: 2.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 17.79 ms. Allocated memory is still 255.9 MB. Free memory was 236.3 MB in the beginning and 234.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 9.67 ms. Allocated memory is still 255.9 MB. Free memory was 234.8 MB in the beginning and 234.0 MB in the end (delta: 774.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 218.16 ms. Allocated memory is still 255.9 MB. Free memory was 233.9 MB in the beginning and 239.0 MB in the end (delta: -5.2 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 856835.07 ms. Allocated memory was 255.9 MB in the beginning and 4.8 GB in the end (delta: 4.5 GB). Free memory was 238.3 MB in the beginning and 862.0 MB in the end (delta: -623.6 MB). Peak memory consumption was 3.9 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 173.0ms, 25 PlacesBefore, 17 PlacesAfterwards, 20 TransitionsBefore, 12 TransitionsAfterwards, 58 CoEnabledTransitionPairs, 3 FixpointIterations, 5 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 8 TotalNumberOfCompositions, 112 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 81, positive: 66, positive conditional: 0, positive unconditional: 66, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 41, positive: 37, positive conditional: 0, positive unconditional: 37, 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: 41, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 30, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 81, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 41, unknown conditional: 0, unknown unconditional: 41] , Statistics on independence cache: Total cache size (in pairs): 15, Positive cache size: 13, Positive conditional cache size: 0, Positive unconditional cache size: 13, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2 - TimeoutResultAtElement [Line: 55]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 55). Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (6states, 20/32 universal loopers) in iteration 74,while PetriNetUnfolder was constructing finite prefix that currently has 41207 conditions, 1301 events (447/1300 cut-off events. For 406808/406846 co-relation queries the response was YES. Maximal size of possible extension queue 425. Compared 13151 event pairs, 13 based on Foata normal form. 2/1706 useless extension candidates. Maximal degree in co-relation 40876. Up to 458 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.8ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 856787.2ms, OverallIterations: 74, TraceHistogramMax: 4, EmptinessCheckTime: 0.0ms, AutomataDifference: 817602.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 209.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 206 SDtfs, 1985 SDslu, 198 SDs, 0 SdLazy, 35359 SolverSat, 1977 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11306.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2816 GetRequests, 547 SyntacticMatches, 52 SemanticMatches, 2217 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21927 ImplicationChecksByTransitivity, 35010.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=229541occurred in iteration=73, InterpolantAutomatonStates: 1647, 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: 184.7ms SsaConstructionTime, 504.5ms SatisfiabilityAnalysisTime, 22643.3ms InterpolantComputationTime, 2602 NumberOfCodeBlocks, 2602 NumberOfCodeBlocksAsserted, 296 NumberOfCheckSat, 2457 ConstructedInterpolants, 0 QuantifiedInterpolants, 41548 SizeOfPredicates, 134 NumberOfNonLiveVariables, 2954 ConjunctsInSsa, 1384 ConjunctsInUnsatCore, 145 InterpolantComputations, 3 PerfectInterpolantSequences, 106/2041 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