/usr/bin/java -Xmx8000000000 -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-NoLbe-OGIterative.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x9.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-13 02:58:57,604 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-13 02:58:57,606 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-13 02:58:57,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-13 02:58:57,649 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-13 02:58:57,650 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-13 02:58:57,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-13 02:58:57,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-13 02:58:57,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-13 02:58:57,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-13 02:58:57,657 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-13 02:58:57,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-13 02:58:57,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-13 02:58:57,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-13 02:58:57,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-13 02:58:57,668 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-13 02:58:57,669 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-13 02:58:57,670 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-13 02:58:57,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-13 02:58:57,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-13 02:58:57,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-13 02:58:57,683 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-13 02:58:57,684 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-13 02:58:57,684 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-13 02:58:57,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-13 02:58:57,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-13 02:58:57,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-13 02:58:57,705 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-13 02:58:57,709 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-NoLbe-OGIterative.epf [2021-08-13 02:58:57,751 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-13 02:58:57,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-13 02:58:57,755 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-13 02:58:57,755 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-13 02:58:57,755 INFO L138 SettingsManager]: * Use SBE=true [2021-08-13 02:58:57,755 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-13 02:58:57,756 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-13 02:58:57,756 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-13 02:58:57,756 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-13 02:58:57,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-13 02:58:57,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-13 02:58:57,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-13 02:58:57,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-13 02:58:57,757 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-13 02:58:57,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-13 02:58:57,757 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-13 02:58:57,757 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-13 02:58:57,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-13 02:58:57,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-13 02:58:57,758 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-13 02:58:57,758 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-13 02:58:57,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 02:58:57,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-13 02:58:57,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-13 02:58:57,759 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-13 02:58:57,759 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-13 02:58:57,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-13 02:58:57,759 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-13 02:58:57,759 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-13 02:58:57,759 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-13 02:58:57,759 INFO L138 SettingsManager]: * Compute cosets for OwickiGries annotation iteratively=true [2021-08-13 02:58:57,759 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-13 02:58:58,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-13 02:58:58,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-13 02:58:58,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-13 02:58:58,077 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-13 02:58:58,078 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-13 02:58:58,079 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x9.wvr.bpl [2021-08-13 02:58:58,079 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x9.wvr.bpl' [2021-08-13 02:58:58,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-13 02:58:58,110 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-13 02:58:58,111 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-13 02:58:58,111 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-13 02:58:58,111 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-13 02:58:58,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 02:58:58" (1/1) ... [2021-08-13 02:58:58,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 02:58:58" (1/1) ... [2021-08-13 02:58:58,141 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-13 02:58:58,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-13 02:58:58,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-13 02:58:58,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-13 02:58:58,150 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 02:58:58" (1/1) ... [2021-08-13 02:58:58,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 02:58:58" (1/1) ... [2021-08-13 02:58:58,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 02:58:58" (1/1) ... [2021-08-13 02:58:58,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 02:58:58" (1/1) ... [2021-08-13 02:58:58,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 02:58:58" (1/1) ... [2021-08-13 02:58:58,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 02:58:58" (1/1) ... [2021-08-13 02:58:58,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 02:58:58" (1/1) ... [2021-08-13 02:58:58,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-13 02:58:58,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-13 02:58:58,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-13 02:58:58,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-13 02:58:58,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 02:58:58" (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 [2021-08-13 02:58:58,260 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-13 02:58:58,261 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-13 02:58:58,261 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-13 02:58:58,261 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-13 02:58:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-13 02:58:58,262 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-13 02:58:58,262 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-13 02:58:58,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-13 02:58:58,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-13 02:58:58,263 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-13 02:58:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-13 02:58:58,263 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-13 02:58:58,263 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-08-13 02:58:58,263 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-08-13 02:58:58,263 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-08-13 02:58:58,264 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-13 02:58:58,509 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-13 02:58:58,509 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-13 02:58:58,510 INFO L202 PluginConnector]: Adding new model exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 02:58:58 BoogieIcfgContainer [2021-08-13 02:58:58,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-13 02:58:58,512 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-13 02:58:58,512 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-13 02:58:58,514 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-13 02:58:58,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 02:58:58" (1/2) ... [2021-08-13 02:58:58,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d0df5ca and model type exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 02:58:58, skipping insertion in model container [2021-08-13 02:58:58,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 02:58:58" (2/2) ... [2021-08-13 02:58:58,517 INFO L111 eAbstractionObserver]: Analyzing ICFG exp2x9.wvr.bpl [2021-08-13 02:58:58,523 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-13 02:58:58,524 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-13 02:58:58,524 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-13 02:58:58,586 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-08-13 02:58:58,606 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-08-13 02:58:58,625 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-13 02:58:58,626 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-13 02:58:58,626 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-13 02:58:58,626 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-13 02:58:58,626 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-13 02:58:58,626 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-13 02:58:58,626 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-13 02:58:58,626 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-13 02:58:58,636 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 57 transitions, 146 flow [2021-08-13 02:58:58,664 INFO L129 PetriNetUnfolder]: 4/53 cut-off events. [2021-08-13 02:58:58,665 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-08-13 02:58:58,669 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 53 events. 4/53 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 150 event pairs, 0 based on Foata normal form. 0/48 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2021-08-13 02:58:58,669 INFO L82 GeneralOperation]: Start removeDead. Operand has 66 places, 57 transitions, 146 flow [2021-08-13 02:58:58,673 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 51 transitions, 126 flow [2021-08-13 02:58:58,688 INFO L129 PetriNetUnfolder]: 4/50 cut-off events. [2021-08-13 02:58:58,688 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-08-13 02:58:58,688 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:58:58,689 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:58:58,689 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 02:58:58,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:58:58,694 INFO L82 PathProgramCache]: Analyzing trace with hash -859559450, now seen corresponding path program 1 times [2021-08-13 02:58:58,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:58:58,702 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877907720] [2021-08-13 02:58:58,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:58:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:58:58,823 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-08-13 02:58:58,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:58:58,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:58,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:58:58,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:58:58,839 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:58:58,840 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877907720] [2021-08-13 02:58:58,840 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877907720] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:58:58,840 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:58:58,841 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-13 02:58:58,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534194508] [2021-08-13 02:58:58,848 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-13 02:58:58,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:58:58,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-13 02:58:58,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-13 02:58:58,861 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 57 [2021-08-13 02:58:58,864 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 51 transitions, 126 flow. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:58:58,864 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:58:58,864 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 57 [2021-08-13 02:58:58,865 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:58:59,528 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][21], [65#true, 33#thread4FINALtrue, 50#L18true, 67#true, 69#true, 22#L32true, 70#true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 02:58:59,528 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 02:58:59,529 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 02:58:59,529 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 02:58:59,529 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 02:58:59,529 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][22], [65#true, 50#L18true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 02:58:59,530 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 02:58:59,530 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 02:58:59,530 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 02:58:59,530 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 02:58:59,551 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][21], [33#thread4FINALtrue, 65#true, 67#true, 69#true, 70#true, 22#L32true, 7#thread1FINALtrue, 45#L46true, 46#L78true, 63#true]) [2021-08-13 02:58:59,551 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-08-13 02:58:59,552 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 02:58:59,552 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 02:58:59,552 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 02:58:59,552 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][22], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 7#thread1FINALtrue, 45#L46true, 46#L78true, 63#true]) [2021-08-13 02:58:59,553 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-08-13 02:58:59,553 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 02:58:59,553 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 02:58:59,553 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 02:58:59,645 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][21], [65#true, 33#thread4FINALtrue, 67#true, 69#true, 70#true, 22#L32true, 8#L19true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 02:58:59,646 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-08-13 02:58:59,646 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 02:58:59,646 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 02:58:59,646 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 02:58:59,646 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][22], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 8#L19true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 02:58:59,646 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-08-13 02:58:59,646 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 02:58:59,646 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 02:58:59,647 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 02:58:59,824 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][21], [65#true, 33#thread4FINALtrue, 67#true, 69#true, 70#true, 22#L32true, 24#L20true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 02:58:59,824 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-08-13 02:58:59,824 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 02:58:59,824 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 02:58:59,824 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 02:58:59,825 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][22], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 24#L20true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 02:58:59,825 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-08-13 02:58:59,825 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 02:58:59,825 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 02:58:59,825 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 02:59:00,003 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][21], [33#thread4FINALtrue, 65#true, 67#true, 69#true, 70#true, 22#L32true, 55#L21true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 02:59:00,003 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-08-13 02:59:00,003 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 02:59:00,004 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 02:59:00,004 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 02:59:00,004 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][22], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 55#L21true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 02:59:00,005 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-08-13 02:59:00,005 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 02:59:00,006 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 02:59:00,006 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 02:59:00,246 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][21], [65#true, 33#thread4FINALtrue, 67#true, 69#true, 22#L32true, 70#true, 45#L46true, 13#L22true, 46#L78true, 63#true]) [2021-08-13 02:59:00,246 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-08-13 02:59:00,246 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 02:59:00,246 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 02:59:00,246 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 02:59:00,247 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][22], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 45#L46true, 13#L22true, 46#L78true, 63#true]) [2021-08-13 02:59:00,247 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-08-13 02:59:00,247 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 02:59:00,247 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 02:59:00,247 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 02:59:00,501 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][21], [65#true, 33#thread4FINALtrue, 67#true, 69#true, 70#true, 22#L32true, 29#L23true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 02:59:00,502 INFO L384 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2021-08-13 02:59:00,502 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 02:59:00,502 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 02:59:00,502 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 02:59:00,502 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][22], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 29#L23true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 02:59:00,502 INFO L384 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2021-08-13 02:59:00,503 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 02:59:00,503 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 02:59:00,503 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 02:59:00,773 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][21], [65#true, 33#thread4FINALtrue, 67#true, 69#true, 70#true, 22#L32true, 43#L24true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 02:59:00,774 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 02:59:00,776 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 02:59:00,777 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 02:59:00,777 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 02:59:00,777 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][22], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 43#L24true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 02:59:00,780 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 02:59:00,780 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 02:59:00,780 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 02:59:00,780 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 02:59:00,967 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][21], [33#thread4FINALtrue, 65#true, 67#true, 69#true, 70#true, 22#L32true, 61#L25true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 02:59:00,968 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 02:59:00,968 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 02:59:00,968 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 02:59:00,968 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 02:59:00,968 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][22], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 61#L25true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 02:59:00,968 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 02:59:00,968 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 02:59:00,969 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 02:59:00,969 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 02:59:01,775 INFO L129 PetriNetUnfolder]: 23302/30909 cut-off events. [2021-08-13 02:59:01,775 INFO L130 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2021-08-13 02:59:01,867 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61718 conditions, 30909 events. 23302/30909 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 732. Compared 154708 event pairs, 14625 based on Foata normal form. 1/26692 useless extension candidates. Maximal degree in co-relation 61691. Up to 30548 conditions per place. [2021-08-13 02:59:02,122 INFO L132 encePairwiseOnDemand]: 51/57 looper letters, 45 selfloop transitions, 5 changer transitions 0/63 dead transitions. [2021-08-13 02:59:02,122 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 63 transitions, 250 flow [2021-08-13 02:59:02,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-13 02:59:02,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-08-13 02:59:02,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 105 transitions. [2021-08-13 02:59:02,134 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6140350877192983 [2021-08-13 02:59:02,135 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 105 transitions. [2021-08-13 02:59:02,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 105 transitions. [2021-08-13 02:59:02,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:59:02,138 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 105 transitions. [2021-08-13 02:59:02,141 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:02,147 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 57.0) internal successors, (228), 4 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:02,147 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 57.0) internal successors, (228), 4 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:02,148 INFO L348 CegarLoopForPetriNet]: 60 programPoint places, 2 predicate places. [2021-08-13 02:59:02,148 INFO L482 AbstractCegarLoop]: Abstraction has has 62 places, 63 transitions, 250 flow [2021-08-13 02:59:02,148 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:02,149 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:59:02,149 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:59:02,149 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-13 02:59:02,149 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 02:59:02,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:59:02,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1404164327, now seen corresponding path program 1 times [2021-08-13 02:59:02,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:59:02,152 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929115886] [2021-08-13 02:59:02,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:59:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:59:02,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:02,209 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-08-13 02:59:02,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:59:02,217 INFO L142 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-08-13 02:59:02,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:02,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:02,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:59:02,219 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:59:02,219 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929115886] [2021-08-13 02:59:02,219 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929115886] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:59:02,219 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:59:02,219 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 02:59:02,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211026400] [2021-08-13 02:59:02,225 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 02:59:02,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:59:02,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 02:59:02,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-13 02:59:02,227 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 57 [2021-08-13 02:59:02,227 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 63 transitions, 250 flow. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:02,227 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:59:02,228 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 57 [2021-08-13 02:59:02,228 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:59:02,803 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][25], [65#true, 33#thread4FINALtrue, 67#true, 69#true, 22#L32true, 70#true, 24#L20true, 74#true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 02:59:02,803 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-08-13 02:59:02,804 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 02:59:02,804 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 02:59:02,804 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 02:59:02,804 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][26], [65#true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 24#L20true, 74#true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 02:59:02,804 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-08-13 02:59:02,804 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 02:59:02,804 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 02:59:02,804 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 02:59:02,944 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][25], [65#true, 33#thread4FINALtrue, 67#true, 69#true, 22#L32true, 70#true, 55#L21true, 74#true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 02:59:02,945 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-08-13 02:59:02,945 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 02:59:02,945 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 02:59:02,945 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 02:59:02,945 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][26], [65#true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 55#L21true, 74#true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 02:59:02,945 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-08-13 02:59:02,945 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 02:59:02,946 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 02:59:02,946 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 02:59:03,102 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][25], [33#thread4FINALtrue, 65#true, 67#true, 69#true, 70#true, 22#L32true, 74#true, 13#L22true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 02:59:03,102 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-08-13 02:59:03,103 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 02:59:03,103 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 02:59:03,103 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 02:59:03,103 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][26], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 74#true, 13#L22true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 02:59:03,103 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-08-13 02:59:03,103 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 02:59:03,103 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 02:59:03,103 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 02:59:03,262 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][25], [33#thread4FINALtrue, 65#true, 67#true, 69#true, 70#true, 22#L32true, 74#true, 29#L23true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 02:59:03,263 INFO L384 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2021-08-13 02:59:03,263 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 02:59:03,263 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 02:59:03,263 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 02:59:03,263 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][26], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 74#true, 29#L23true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 02:59:03,263 INFO L384 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2021-08-13 02:59:03,263 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 02:59:03,263 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 02:59:03,264 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 02:59:03,534 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][25], [65#true, 33#thread4FINALtrue, 67#true, 69#true, 22#L32true, 70#true, 74#true, 43#L24true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 02:59:03,535 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 02:59:03,535 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 02:59:03,535 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 02:59:03,535 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 02:59:03,535 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][26], [65#true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 74#true, 43#L24true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 02:59:03,535 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 02:59:03,535 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 02:59:03,535 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 02:59:03,535 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 02:59:03,675 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][25], [65#true, 33#thread4FINALtrue, 67#true, 69#true, 22#L32true, 70#true, 74#true, 61#L25true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 02:59:03,676 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 02:59:03,676 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 02:59:03,676 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 02:59:03,676 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 02:59:03,677 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][26], [65#true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 74#true, 61#L25true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 02:59:03,680 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 02:59:03,680 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 02:59:03,680 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 02:59:03,680 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 02:59:03,970 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][25], [65#true, 33#thread4FINALtrue, 50#L18true, 67#true, 69#true, 22#L32true, 70#true, 74#true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 02:59:03,972 INFO L384 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2021-08-13 02:59:03,972 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 02:59:03,972 INFO L387 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2021-08-13 02:59:03,973 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 02:59:03,973 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][26], [65#true, 50#L18true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 74#true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 02:59:03,973 INFO L384 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2021-08-13 02:59:03,973 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 02:59:03,973 INFO L387 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2021-08-13 02:59:03,974 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 02:59:04,008 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][25], [65#true, 33#thread4FINALtrue, 67#true, 69#true, 22#L32true, 70#true, 7#thread1FINALtrue, 74#true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 02:59:04,009 INFO L384 tUnfolder$Statistics]: this new event has 23 ancestors and is cut-off event [2021-08-13 02:59:04,009 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 02:59:04,009 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 02:59:04,009 INFO L387 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2021-08-13 02:59:04,009 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][26], [65#true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 7#thread1FINALtrue, 74#true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 02:59:04,009 INFO L384 tUnfolder$Statistics]: this new event has 23 ancestors and is cut-off event [2021-08-13 02:59:04,009 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 02:59:04,009 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 02:59:04,010 INFO L387 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2021-08-13 02:59:04,123 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][25], [65#true, 33#thread4FINALtrue, 67#true, 69#true, 22#L32true, 70#true, 8#L19true, 74#true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 02:59:04,123 INFO L384 tUnfolder$Statistics]: this new event has 23 ancestors and is cut-off event [2021-08-13 02:59:04,123 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 02:59:04,123 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 02:59:04,123 INFO L387 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2021-08-13 02:59:04,123 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][26], [65#true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 8#L19true, 74#true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 02:59:04,123 INFO L384 tUnfolder$Statistics]: this new event has 23 ancestors and is cut-off event [2021-08-13 02:59:04,123 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 02:59:04,123 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 02:59:04,124 INFO L387 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2021-08-13 02:59:04,767 INFO L129 PetriNetUnfolder]: 25615/34135 cut-off events. [2021-08-13 02:59:04,768 INFO L130 PetriNetUnfolder]: For 11251/11347 co-relation queries the response was YES. [2021-08-13 02:59:04,858 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90001 conditions, 34135 events. 25615/34135 cut-off events. For 11251/11347 co-relation queries the response was YES. Maximal size of possible extension queue 811. Compared 176620 event pairs, 14073 based on Foata normal form. 3/29332 useless extension candidates. Maximal degree in co-relation 89965. Up to 33690 conditions per place. [2021-08-13 02:59:05,033 INFO L132 encePairwiseOnDemand]: 50/57 looper letters, 48 selfloop transitions, 9 changer transitions 0/86 dead transitions. [2021-08-13 02:59:05,033 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 86 transitions, 456 flow [2021-08-13 02:59:05,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-13 02:59:05,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-08-13 02:59:05,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 171 transitions. [2021-08-13 02:59:05,040 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.75 [2021-08-13 02:59:05,040 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 171 transitions. [2021-08-13 02:59:05,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 171 transitions. [2021-08-13 02:59:05,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:59:05,042 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 171 transitions. [2021-08-13 02:59:05,044 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:05,045 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 57.0) internal successors, (285), 5 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:05,046 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 57.0) internal successors, (285), 5 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:05,046 INFO L348 CegarLoopForPetriNet]: 60 programPoint places, 5 predicate places. [2021-08-13 02:59:05,046 INFO L482 AbstractCegarLoop]: Abstraction has has 65 places, 86 transitions, 456 flow [2021-08-13 02:59:05,046 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:05,047 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:59:05,047 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:59:05,047 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-13 02:59:05,047 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 02:59:05,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:59:05,049 INFO L82 PathProgramCache]: Analyzing trace with hash 347786551, now seen corresponding path program 2 times [2021-08-13 02:59:05,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:59:05,050 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038252881] [2021-08-13 02:59:05,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:59:05,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:59:05,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:05,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:05,102 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-08-13 02:59:05,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:05,112 INFO L142 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-08-13 02:59:05,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:05,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:05,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:05,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:59:05,116 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:59:05,116 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038252881] [2021-08-13 02:59:05,117 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038252881] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:59:05,117 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:59:05,117 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 02:59:05,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036487735] [2021-08-13 02:59:05,117 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 02:59:05,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:59:05,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 02:59:05,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-13 02:59:05,120 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 57 [2021-08-13 02:59:05,121 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 86 transitions, 456 flow. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:05,121 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:59:05,121 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 57 [2021-08-13 02:59:05,121 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:59:05,638 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][28], [65#true, 33#thread4FINALtrue, 67#true, 69#true, 22#L32true, 70#true, 24#L20true, 74#true, 45#L46true, 46#L78true, 63#true, 79#true]) [2021-08-13 02:59:05,639 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-08-13 02:59:05,639 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 02:59:05,639 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 02:59:05,639 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 02:59:05,639 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][29], [65#true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 24#L20true, 74#true, 45#L46true, 46#L78true, 63#true, 79#true]) [2021-08-13 02:59:05,639 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-08-13 02:59:05,639 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 02:59:05,639 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 02:59:05,639 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 02:59:05,773 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][28], [33#thread4FINALtrue, 65#true, 67#true, 69#true, 70#true, 22#L32true, 55#L21true, 74#true, 45#L46true, 46#L78true, 79#true, 63#true]) [2021-08-13 02:59:05,774 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-08-13 02:59:05,774 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 02:59:05,774 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 02:59:05,774 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 02:59:05,774 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][29], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 55#L21true, 74#true, 45#L46true, 46#L78true, 79#true, 63#true]) [2021-08-13 02:59:05,774 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-08-13 02:59:05,774 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 02:59:05,774 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 02:59:05,775 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 02:59:06,075 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][28], [33#thread4FINALtrue, 65#true, 67#true, 69#true, 70#true, 22#L32true, 74#true, 45#L46true, 13#L22true, 46#L78true, 79#true, 63#true]) [2021-08-13 02:59:06,076 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-08-13 02:59:06,076 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 02:59:06,076 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 02:59:06,076 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 02:59:06,076 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][29], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 74#true, 45#L46true, 13#L22true, 46#L78true, 79#true, 63#true]) [2021-08-13 02:59:06,076 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-08-13 02:59:06,077 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 02:59:06,077 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 02:59:06,077 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 02:59:06,222 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][28], [65#true, 33#thread4FINALtrue, 67#true, 69#true, 70#true, 22#L32true, 74#true, 29#L23true, 45#L46true, 46#L78true, 79#true, 63#true]) [2021-08-13 02:59:06,222 INFO L384 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2021-08-13 02:59:06,222 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 02:59:06,222 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 02:59:06,222 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 02:59:06,222 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][29], [65#true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 74#true, 29#L23true, 45#L46true, 46#L78true, 63#true, 79#true]) [2021-08-13 02:59:06,222 INFO L384 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2021-08-13 02:59:06,222 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 02:59:06,223 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 02:59:06,223 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 02:59:06,378 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][28], [65#true, 33#thread4FINALtrue, 67#true, 69#true, 22#L32true, 70#true, 74#true, 43#L24true, 45#L46true, 46#L78true, 63#true, 79#true]) [2021-08-13 02:59:06,379 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 02:59:06,379 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 02:59:06,379 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 02:59:06,379 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 02:59:06,380 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][29], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 74#true, 43#L24true, 45#L46true, 46#L78true, 79#true, 63#true]) [2021-08-13 02:59:06,380 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 02:59:06,380 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 02:59:06,380 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 02:59:06,380 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 02:59:06,661 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][28], [65#true, 33#thread4FINALtrue, 67#true, 69#true, 22#L32true, 70#true, 74#true, 61#L25true, 45#L46true, 46#L78true, 63#true, 79#true]) [2021-08-13 02:59:06,662 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 02:59:06,662 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 02:59:06,662 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 02:59:06,662 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 02:59:06,662 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][29], [65#true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 74#true, 61#L25true, 45#L46true, 46#L78true, 63#true, 79#true]) [2021-08-13 02:59:06,662 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 02:59:06,662 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 02:59:06,662 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 02:59:06,662 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 02:59:06,820 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][28], [65#true, 33#thread4FINALtrue, 50#L18true, 67#true, 69#true, 70#true, 22#L32true, 74#true, 45#L46true, 46#L78true, 79#true, 63#true]) [2021-08-13 02:59:06,820 INFO L384 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2021-08-13 02:59:06,820 INFO L387 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2021-08-13 02:59:06,820 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 02:59:06,820 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 02:59:06,820 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][29], [65#true, 50#L18true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 74#true, 45#L46true, 46#L78true, 63#true, 79#true]) [2021-08-13 02:59:06,820 INFO L384 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2021-08-13 02:59:06,820 INFO L387 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2021-08-13 02:59:06,821 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 02:59:06,821 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 02:59:06,944 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][28], [65#true, 33#thread4FINALtrue, 67#true, 69#true, 70#true, 22#L32true, 8#L19true, 74#true, 45#L46true, 46#L78true, 79#true, 63#true]) [2021-08-13 02:59:06,945 INFO L384 tUnfolder$Statistics]: this new event has 23 ancestors and is cut-off event [2021-08-13 02:59:06,945 INFO L387 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2021-08-13 02:59:06,945 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 02:59:06,945 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 02:59:06,945 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][29], [65#true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 8#L19true, 74#true, 45#L46true, 46#L78true, 63#true, 79#true]) [2021-08-13 02:59:06,945 INFO L384 tUnfolder$Statistics]: this new event has 23 ancestors and is cut-off event [2021-08-13 02:59:06,945 INFO L387 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2021-08-13 02:59:06,945 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 02:59:06,945 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 02:59:06,972 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][28], [65#true, 33#thread4FINALtrue, 67#true, 69#true, 22#L32true, 70#true, 7#thread1FINALtrue, 74#true, 45#L46true, 46#L78true, 63#true, 79#true]) [2021-08-13 02:59:06,972 INFO L384 tUnfolder$Statistics]: this new event has 23 ancestors and is cut-off event [2021-08-13 02:59:06,972 INFO L387 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2021-08-13 02:59:06,972 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 02:59:06,972 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 02:59:06,973 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][29], [65#true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 7#thread1FINALtrue, 74#true, 45#L46true, 46#L78true, 79#true, 63#true]) [2021-08-13 02:59:06,973 INFO L384 tUnfolder$Statistics]: this new event has 23 ancestors and is cut-off event [2021-08-13 02:59:06,973 INFO L387 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2021-08-13 02:59:06,973 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 02:59:06,973 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 02:59:07,598 INFO L129 PetriNetUnfolder]: 25003/33687 cut-off events. [2021-08-13 02:59:07,599 INFO L130 PetriNetUnfolder]: For 33995/34161 co-relation queries the response was YES. [2021-08-13 02:59:07,692 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109719 conditions, 33687 events. 25003/33687 cut-off events. For 33995/34161 co-relation queries the response was YES. Maximal size of possible extension queue 816. Compared 178671 event pairs, 15227 based on Foata normal form. 12/29163 useless extension candidates. Maximal degree in co-relation 109679. Up to 32922 conditions per place. [2021-08-13 02:59:07,987 INFO L132 encePairwiseOnDemand]: 50/57 looper letters, 60 selfloop transitions, 9 changer transitions 0/98 dead transitions. [2021-08-13 02:59:07,987 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 98 transitions, 666 flow [2021-08-13 02:59:07,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-13 02:59:07,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-08-13 02:59:07,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 171 transitions. [2021-08-13 02:59:07,989 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.75 [2021-08-13 02:59:07,989 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 171 transitions. [2021-08-13 02:59:07,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 171 transitions. [2021-08-13 02:59:07,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:59:07,990 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 171 transitions. [2021-08-13 02:59:07,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:07,992 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 57.0) internal successors, (285), 5 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:07,992 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 57.0) internal successors, (285), 5 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:07,993 INFO L348 CegarLoopForPetriNet]: 60 programPoint places, 8 predicate places. [2021-08-13 02:59:07,993 INFO L482 AbstractCegarLoop]: Abstraction has has 68 places, 98 transitions, 666 flow [2021-08-13 02:59:07,993 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:07,993 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:59:07,994 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:59:07,994 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-13 02:59:07,994 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 02:59:07,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:59:07,994 INFO L82 PathProgramCache]: Analyzing trace with hash -2099992685, now seen corresponding path program 1 times [2021-08-13 02:59:07,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:59:07,995 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119598701] [2021-08-13 02:59:07,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:59:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:59:08,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:08,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:08,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:08,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:08,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:08,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:08,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:59:08,047 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:59:08,048 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119598701] [2021-08-13 02:59:08,048 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119598701] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:59:08,048 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:59:08,048 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 02:59:08,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640352854] [2021-08-13 02:59:08,049 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 02:59:08,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:59:08,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 02:59:08,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-13 02:59:08,051 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 57 [2021-08-13 02:59:08,052 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 98 transitions, 666 flow. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:08,052 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:59:08,052 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 57 [2021-08-13 02:59:08,052 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:59:10,985 INFO L129 PetriNetUnfolder]: 30633/42087 cut-off events. [2021-08-13 02:59:10,985 INFO L130 PetriNetUnfolder]: For 45176/45450 co-relation queries the response was YES. [2021-08-13 02:59:11,122 INFO L84 FinitePrefix]: Finished finitePrefix Result has 163817 conditions, 42087 events. 30633/42087 cut-off events. For 45176/45450 co-relation queries the response was YES. Maximal size of possible extension queue 994. Compared 237616 event pairs, 15767 based on Foata normal form. 3/36636 useless extension candidates. Maximal degree in co-relation 163749. Up to 40801 conditions per place. [2021-08-13 02:59:11,462 INFO L132 encePairwiseOnDemand]: 50/57 looper letters, 124 selfloop transitions, 22 changer transitions 0/177 dead transitions. [2021-08-13 02:59:11,462 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 177 transitions, 1554 flow [2021-08-13 02:59:11,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 02:59:11,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 02:59:11,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 219 transitions. [2021-08-13 02:59:11,463 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7684210526315789 [2021-08-13 02:59:11,463 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 219 transitions. [2021-08-13 02:59:11,463 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 219 transitions. [2021-08-13 02:59:11,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:59:11,463 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 219 transitions. [2021-08-13 02:59:11,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 43.8) internal successors, (219), 5 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:11,465 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 57.0) internal successors, (342), 6 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:11,465 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 57.0) internal successors, (342), 6 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:11,465 INFO L348 CegarLoopForPetriNet]: 60 programPoint places, 12 predicate places. [2021-08-13 02:59:11,465 INFO L482 AbstractCegarLoop]: Abstraction has has 72 places, 177 transitions, 1554 flow [2021-08-13 02:59:11,466 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:11,466 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:59:11,466 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:59:11,466 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-13 02:59:11,466 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 02:59:11,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:59:11,466 INFO L82 PathProgramCache]: Analyzing trace with hash 964366339, now seen corresponding path program 2 times [2021-08-13 02:59:11,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:59:11,467 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490462781] [2021-08-13 02:59:11,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:59:11,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:59:11,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:11,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:11,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:11,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:11,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:11,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:11,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:59:11,501 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:59:11,501 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490462781] [2021-08-13 02:59:11,502 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490462781] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:59:11,502 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:59:11,502 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 02:59:11,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173699064] [2021-08-13 02:59:11,503 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 02:59:11,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:59:11,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 02:59:11,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-13 02:59:11,505 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 57 [2021-08-13 02:59:11,505 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 177 transitions, 1554 flow. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:11,505 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:59:11,505 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 57 [2021-08-13 02:59:11,506 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:59:14,251 INFO L129 PetriNetUnfolder]: 28979/39692 cut-off events. [2021-08-13 02:59:14,251 INFO L130 PetriNetUnfolder]: For 47920/48373 co-relation queries the response was YES. [2021-08-13 02:59:14,369 INFO L84 FinitePrefix]: Finished finitePrefix Result has 178475 conditions, 39692 events. 28979/39692 cut-off events. For 47920/48373 co-relation queries the response was YES. Maximal size of possible extension queue 929. Compared 221053 event pairs, 14770 based on Foata normal form. 0/34591 useless extension candidates. Maximal degree in co-relation 178418. Up to 38368 conditions per place. [2021-08-13 02:59:14,578 INFO L132 encePairwiseOnDemand]: 50/57 looper letters, 197 selfloop transitions, 35 changer transitions 3/266 dead transitions. [2021-08-13 02:59:14,578 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 266 transitions, 2874 flow [2021-08-13 02:59:14,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 02:59:14,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 02:59:14,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 217 transitions. [2021-08-13 02:59:14,579 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7614035087719299 [2021-08-13 02:59:14,579 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 217 transitions. [2021-08-13 02:59:14,580 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 217 transitions. [2021-08-13 02:59:14,580 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:59:14,580 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 217 transitions. [2021-08-13 02:59:14,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 43.4) internal successors, (217), 5 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:14,582 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 57.0) internal successors, (342), 6 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:14,582 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 57.0) internal successors, (342), 6 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:14,583 INFO L348 CegarLoopForPetriNet]: 60 programPoint places, 16 predicate places. [2021-08-13 02:59:14,583 INFO L482 AbstractCegarLoop]: Abstraction has has 76 places, 266 transitions, 2874 flow [2021-08-13 02:59:14,583 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:14,583 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:59:14,583 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:59:14,583 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-13 02:59:14,583 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 02:59:14,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:59:14,584 INFO L82 PathProgramCache]: Analyzing trace with hash -865214041, now seen corresponding path program 1 times [2021-08-13 02:59:14,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:59:14,584 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927409399] [2021-08-13 02:59:14,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:59:14,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:59:14,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:14,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:59:14,634 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:59:14,635 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927409399] [2021-08-13 02:59:14,635 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927409399] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 02:59:14,638 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424649089] [2021-08-13 02:59:14,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 02:59:14,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:59:14,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-13 02:59:14,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 02:59:14,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:14,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 02:59:14,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:14,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 02:59:14,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:14,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:14,845 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-08-13 02:59:14,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:14,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:14,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:14,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:14,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:14,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:14,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:14,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:14,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:14,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:14,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:14,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:14,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:14,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:14,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:59:14,859 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [424649089] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 02:59:14,859 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 02:59:14,859 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-08-13 02:59:14,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575345679] [2021-08-13 02:59:14,860 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 02:59:14,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:59:14,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 02:59:14,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-13 02:59:14,861 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 57 [2021-08-13 02:59:14,862 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 266 transitions, 2874 flow. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:14,862 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:59:14,862 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 57 [2021-08-13 02:59:14,862 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:59:19,403 INFO L129 PetriNetUnfolder]: 30001/42404 cut-off events. [2021-08-13 02:59:19,403 INFO L130 PetriNetUnfolder]: For 55600/56140 co-relation queries the response was YES. [2021-08-13 02:59:19,556 INFO L84 FinitePrefix]: Finished finitePrefix Result has 211698 conditions, 42404 events. 30001/42404 cut-off events. For 55600/56140 co-relation queries the response was YES. Maximal size of possible extension queue 921. Compared 251514 event pairs, 12035 based on Foata normal form. 0/37880 useless extension candidates. Maximal degree in co-relation 211616. Up to 40360 conditions per place. [2021-08-13 02:59:20,009 INFO L132 encePairwiseOnDemand]: 50/57 looper letters, 316 selfloop transitions, 38 changer transitions 3/388 dead transitions. [2021-08-13 02:59:20,010 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 388 transitions, 4988 flow [2021-08-13 02:59:20,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 02:59:20,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 02:59:20,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 218 transitions. [2021-08-13 02:59:20,011 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7649122807017544 [2021-08-13 02:59:20,011 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 218 transitions. [2021-08-13 02:59:20,011 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 218 transitions. [2021-08-13 02:59:20,011 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:59:20,011 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 218 transitions. [2021-08-13 02:59:20,012 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 43.6) internal successors, (218), 5 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) [2021-08-13 02:59:20,014 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 57.0) internal successors, (342), 6 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:20,014 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 57.0) internal successors, (342), 6 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:20,015 INFO L348 CegarLoopForPetriNet]: 60 programPoint places, 20 predicate places. [2021-08-13 02:59:20,015 INFO L482 AbstractCegarLoop]: Abstraction has has 80 places, 388 transitions, 4988 flow [2021-08-13 02:59:20,015 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:20,015 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:59:20,015 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:59:20,228 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-08-13 02:59:20,228 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 02:59:20,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:59:20,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1899617565, now seen corresponding path program 2 times [2021-08-13 02:59:20,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:59:20,229 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216627834] [2021-08-13 02:59:20,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:59:20,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:59:20,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:20,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:20,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:20,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:20,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:20,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:20,283 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:59:20,283 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:59:20,283 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216627834] [2021-08-13 02:59:20,284 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216627834] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:59:20,284 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:59:20,284 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 02:59:20,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039500747] [2021-08-13 02:59:20,284 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 02:59:20,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:59:20,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 02:59:20,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-13 02:59:20,285 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 57 [2021-08-13 02:59:20,285 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 388 transitions, 4988 flow. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:20,285 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:59:20,285 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 57 [2021-08-13 02:59:20,285 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:59:23,794 INFO L129 PetriNetUnfolder]: 28347/39862 cut-off events. [2021-08-13 02:59:23,794 INFO L130 PetriNetUnfolder]: For 60119/61028 co-relation queries the response was YES. [2021-08-13 02:59:23,922 INFO L84 FinitePrefix]: Finished finitePrefix Result has 222939 conditions, 39862 events. 28347/39862 cut-off events. For 60119/61028 co-relation queries the response was YES. Maximal size of possible extension queue 857. Compared 232162 event pairs, 10598 based on Foata normal form. 0/35691 useless extension candidates. Maximal degree in co-relation 222872. Up to 37927 conditions per place. [2021-08-13 02:59:24,145 INFO L132 encePairwiseOnDemand]: 50/57 looper letters, 309 selfloop transitions, 33 changer transitions 8/381 dead transitions. [2021-08-13 02:59:24,145 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 381 transitions, 5594 flow [2021-08-13 02:59:24,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 02:59:24,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 02:59:24,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 216 transitions. [2021-08-13 02:59:24,147 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7578947368421053 [2021-08-13 02:59:24,147 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 216 transitions. [2021-08-13 02:59:24,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 216 transitions. [2021-08-13 02:59:24,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:59:24,147 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 216 transitions. [2021-08-13 02:59:24,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 43.2) internal successors, (216), 5 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) [2021-08-13 02:59:24,149 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 57.0) internal successors, (342), 6 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:24,149 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 57.0) internal successors, (342), 6 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:24,150 INFO L348 CegarLoopForPetriNet]: 60 programPoint places, 24 predicate places. [2021-08-13 02:59:24,150 INFO L482 AbstractCegarLoop]: Abstraction has has 84 places, 381 transitions, 5594 flow [2021-08-13 02:59:24,150 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:24,150 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:59:24,150 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:59:24,150 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-13 02:59:24,150 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 02:59:24,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:59:24,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1922414709, now seen corresponding path program 1 times [2021-08-13 02:59:24,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:59:24,151 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526789468] [2021-08-13 02:59:24,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:59:24,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:59:24,309 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2021-08-13 02:59:24,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:24,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:24,316 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-08-13 02:59:24,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:59:24,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:24,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:24,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:24,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:24,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:59:24,338 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:59:24,338 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526789468] [2021-08-13 02:59:24,339 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526789468] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:59:24,339 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:59:24,339 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-13 02:59:24,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552924200] [2021-08-13 02:59:24,339 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 02:59:24,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:59:24,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 02:59:24,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-13 02:59:24,340 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 57 [2021-08-13 02:59:24,340 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 381 transitions, 5594 flow. Second operand has 5 states, 5 states have (on average 34.8) internal successors, (174), 5 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:24,340 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:59:24,340 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 57 [2021-08-13 02:59:24,341 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:59:28,772 INFO L129 PetriNetUnfolder]: 31209/43120 cut-off events. [2021-08-13 02:59:28,772 INFO L130 PetriNetUnfolder]: For 127288/128308 co-relation queries the response was YES. [2021-08-13 02:59:28,905 INFO L84 FinitePrefix]: Finished finitePrefix Result has 274912 conditions, 43120 events. 31209/43120 cut-off events. For 127288/128308 co-relation queries the response was YES. Maximal size of possible extension queue 885. Compared 246917 event pairs, 6397 based on Foata normal form. 11/38683 useless extension candidates. Maximal degree in co-relation 274840. Up to 41770 conditions per place. [2021-08-13 02:59:29,097 INFO L132 encePairwiseOnDemand]: 51/57 looper letters, 337 selfloop transitions, 54 changer transitions 8/462 dead transitions. [2021-08-13 02:59:29,097 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 462 transitions, 7632 flow [2021-08-13 02:59:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 02:59:29,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 02:59:29,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 216 transitions. [2021-08-13 02:59:29,098 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7578947368421053 [2021-08-13 02:59:29,098 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 216 transitions. [2021-08-13 02:59:29,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 216 transitions. [2021-08-13 02:59:29,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:59:29,099 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 216 transitions. [2021-08-13 02:59:29,099 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 43.2) internal successors, (216), 5 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) [2021-08-13 02:59:29,100 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 57.0) internal successors, (342), 6 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:29,100 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 57.0) internal successors, (342), 6 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:29,100 INFO L348 CegarLoopForPetriNet]: 60 programPoint places, 28 predicate places. [2021-08-13 02:59:29,100 INFO L482 AbstractCegarLoop]: Abstraction has has 88 places, 462 transitions, 7632 flow [2021-08-13 02:59:29,101 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 34.8) internal successors, (174), 5 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:29,101 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:59:29,101 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:59:29,101 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-13 02:59:29,101 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 02:59:29,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:59:29,101 INFO L82 PathProgramCache]: Analyzing trace with hash 2048113673, now seen corresponding path program 3 times [2021-08-13 02:59:29,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:59:29,102 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958611279] [2021-08-13 02:59:29,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:59:29,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:59:29,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:29,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:29,118 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-08-13 02:59:29,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:59:29,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:29,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:29,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:29,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:29,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:59:29,130 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:59:29,130 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958611279] [2021-08-13 02:59:29,130 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958611279] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:59:29,130 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:59:29,130 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-13 02:59:29,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421953444] [2021-08-13 02:59:29,131 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 02:59:29,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:59:29,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 02:59:29,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-13 02:59:29,131 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 57 [2021-08-13 02:59:29,132 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 462 transitions, 7632 flow. Second operand has 5 states, 5 states have (on average 34.8) internal successors, (174), 5 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:29,132 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:59:29,132 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 57 [2021-08-13 02:59:29,132 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:59:33,975 INFO L129 PetriNetUnfolder]: 34125/46928 cut-off events. [2021-08-13 02:59:33,975 INFO L130 PetriNetUnfolder]: For 206906/207434 co-relation queries the response was YES. [2021-08-13 02:59:34,131 INFO L84 FinitePrefix]: Finished finitePrefix Result has 332980 conditions, 46928 events. 34125/46928 cut-off events. For 206906/207434 co-relation queries the response was YES. Maximal size of possible extension queue 920. Compared 268358 event pairs, 6808 based on Foata normal form. 11/42183 useless extension candidates. Maximal degree in co-relation 332903. Up to 45676 conditions per place. [2021-08-13 02:59:34,483 INFO L132 encePairwiseOnDemand]: 51/57 looper letters, 459 selfloop transitions, 71 changer transitions 8/601 dead transitions. [2021-08-13 02:59:34,483 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 601 transitions, 11154 flow [2021-08-13 02:59:34,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 02:59:34,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 02:59:34,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 216 transitions. [2021-08-13 02:59:34,484 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7578947368421053 [2021-08-13 02:59:34,484 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 216 transitions. [2021-08-13 02:59:34,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 216 transitions. [2021-08-13 02:59:34,484 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:59:34,484 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 216 transitions. [2021-08-13 02:59:34,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 43.2) internal successors, (216), 5 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) [2021-08-13 02:59:34,485 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 57.0) internal successors, (342), 6 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:34,485 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 57.0) internal successors, (342), 6 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:34,485 INFO L348 CegarLoopForPetriNet]: 60 programPoint places, 32 predicate places. [2021-08-13 02:59:34,485 INFO L482 AbstractCegarLoop]: Abstraction has has 92 places, 601 transitions, 11154 flow [2021-08-13 02:59:34,486 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 34.8) internal successors, (174), 5 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:34,486 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:59:34,486 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:59:34,486 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-13 02:59:34,486 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 02:59:34,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:59:34,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1743497374, now seen corresponding path program 1 times [2021-08-13 02:59:34,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:59:34,487 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076731481] [2021-08-13 02:59:34,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:59:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:59:34,525 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-08-13 02:59:34,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:34,532 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 02:59:34,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:59:34,542 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 02:59:34,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:59:34,552 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 02:59:34,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:59:34,564 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 02:59:34,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:59:34,577 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 02:59:34,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:59:34,591 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 02:59:34,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:59:34,607 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 02:59:34,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:59:34,623 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 02:59:34,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:59:34,624 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 02:59:34,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:59:34,626 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 02:59:34,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:59:34,627 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 02:59:34,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:59:34,628 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 02:59:34,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:59:34,629 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 02:59:34,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:59:34,632 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-08-13 02:59:34,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 02:59:34,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:34,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-13 02:59:34,636 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:59:34,636 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076731481] [2021-08-13 02:59:34,636 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076731481] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 02:59:34,636 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609580527] [2021-08-13 02:59:34,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-08-13 02:59:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:59:34,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 33 conjunts are in the unsatisfiable core [2021-08-13 02:59:34,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 02:59:34,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:34,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:34,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:34,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:34,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:34,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:34,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:34,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:34,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:34,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:34,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:34,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:34,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:34,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:34,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:34,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:34,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:34,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:34,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:34,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:34,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:34,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:34,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:34,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:34,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:34,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:34,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:34,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:34,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:34,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:34,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:34,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:34,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:34,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:34,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:34,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:59:34,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:59:34,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:59:34,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:59:34,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:59:34,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:59:34,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:59:34,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:59:34,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:59:34,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:59:34,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:59:34,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:59:34,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:59:34,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:59:34,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:59:34,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:59:34,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:59:34,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:59:34,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:59:34,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:59:34,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:59:34,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:59:34,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:59:34,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:59:34,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:59:34,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:59:34,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:59:34,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:59:34,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:59:34,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:59:34,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:59:34,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:59:34,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:59:34,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:59:34,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:59:34,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:59:34,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:59:34,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 02:59:34,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 02:59:34,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 02:59:34,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 02:59:34,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-08-13 02:59:34,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-08-13 02:59:34,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-08-13 02:59:34,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-08-13 02:59:34,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-08-13 02:59:34,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-08-13 02:59:34,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-08-13 02:59:34,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:34,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-08-13 02:59:35,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-08-13 02:59:35,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-08-13 02:59:35,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-08-13 02:59:35,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-08-13 02:59:35,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-08-13 02:59:35,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-08-13 02:59:35,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-08-13 02:59:35,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-08-13 02:59:35,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 02:59:35,506 INFO L142 QuantifierPusher]: treesize reduction 5, result has 96.8 percent of original size [2021-08-13 02:59:35,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-08-13 02:59:35,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:35,553 WARN L348 FreeRefinementEngine]: Global settings require throwing the following exception [2021-08-13 02:59:35,767 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-08-13 02:59:35,768 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Possible infinite loop detected aux_div_aux_div_x2_10_97 already exists at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.SolveForSubjectUtils.tryToHandleDivModSubterm(SolveForSubjectUtils.java:198) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.SolveForSubjectUtils.findTreatableDivModSubterm(SolveForSubjectUtils.java:585) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.SolveForSubjectUtils.findTreatableDivModSubterm(SolveForSubjectUtils.java:573) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.SolveForSubjectUtils.solveForSubject(SolveForSubjectUtils.java:76) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.PolynomialRelation.solveForSubject(PolynomialRelation.java:451) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.SolveForSubjectUtils.tryToHandleDivModSubterm(SolveForSubjectUtils.java:212) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.SolveForSubjectUtils.findTreatableDivModSubterm(SolveForSubjectUtils.java:585) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.SolveForSubjectUtils.findTreatableDivModSubterm(SolveForSubjectUtils.java:573) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.SolveForSubjectUtils.solveForSubject(SolveForSubjectUtils.java:76) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.PolynomialRelation.solveForSubject(PolynomialRelation.java:451) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionDer$DerHelperMcsbr.solveForSubject(DualJunctionDer.java:408) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionDer$DerHelperMcsbr.solveForSubject(DualJunctionDer.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionDer$IDerHelper.findBestReplacementSbr(DualJunctionDer.java:312) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionDer$IDerHelper.tryToEliminateSbr(DualJunctionDer.java:328) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionDer.tryToEliminateOne(DualJunctionDer.java:231) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionDer.tryExhaustivelyToEliminate(DualJunctionDer.java:198) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionDer.tryToEliminateOne(DualJunctionDer.java:182) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionDer.tryExhaustivelyToEliminate(DualJunctionDer.java:149) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionDer.tryToEliminate(DualJunctionDer.java:127) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:869) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:835) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:753) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:384) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:316) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.convert(QuantifierPusher.java:227) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$LiveVariablesPostprocessorForward.postprocess(TraceCheckSpWp.java:539) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:639) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:230) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:161) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-13 02:59:35,771 INFO L168 Benchmark]: Toolchain (without parser) took 37660.94 ms. Allocated memory was 189.8 MB in the beginning and 7.0 GB in the end (delta: 6.9 GB). Free memory was 169.6 MB in the beginning and 5.8 GB in the end (delta: -5.6 GB). Peak memory consumption was 1.3 GB. Max. memory is 8.0 GB. [2021-08-13 02:59:35,771 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 189.8 MB. Free memory was 170.7 MB in the beginning and 170.6 MB in the end (delta: 160.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-13 02:59:35,771 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.93 ms. Allocated memory is still 189.8 MB. Free memory was 169.4 MB in the beginning and 167.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-13 02:59:35,771 INFO L168 Benchmark]: Boogie Preprocessor took 33.43 ms. Allocated memory is still 189.8 MB. Free memory was 167.9 MB in the beginning and 166.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-13 02:59:35,772 INFO L168 Benchmark]: RCFGBuilder took 333.01 ms. Allocated memory is still 189.8 MB. Free memory was 166.9 MB in the beginning and 152.9 MB in the end (delta: 14.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-08-13 02:59:35,772 INFO L168 Benchmark]: TraceAbstraction took 37258.42 ms. Allocated memory was 189.8 MB in the beginning and 7.0 GB in the end (delta: 6.9 GB). Free memory was 152.4 MB in the beginning and 5.8 GB in the end (delta: -5.6 GB). Peak memory consumption was 1.2 GB. Max. memory is 8.0 GB. [2021-08-13 02:59:35,772 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 0.15 ms. Allocated memory is still 189.8 MB. Free memory was 170.7 MB in the beginning and 170.6 MB in the end (delta: 160.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 30.93 ms. Allocated memory is still 189.8 MB. Free memory was 169.4 MB in the beginning and 167.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 33.43 ms. Allocated memory is still 189.8 MB. Free memory was 167.9 MB in the beginning and 166.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 333.01 ms. Allocated memory is still 189.8 MB. Free memory was 166.9 MB in the beginning and 152.9 MB in the end (delta: 14.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 37258.42 ms. Allocated memory was 189.8 MB in the beginning and 7.0 GB in the end (delta: 6.9 GB). Free memory was 152.4 MB in the beginning and 5.8 GB in the end (delta: -5.6 GB). Peak memory consumption was 1.2 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Possible infinite loop detected aux_div_aux_div_x2_10_97 already exists de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Possible infinite loop detected aux_div_aux_div_x2_10_97 already exists: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.SolveForSubjectUtils.tryToHandleDivModSubterm(SolveForSubjectUtils.java:198) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...