/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-CovSimpl-Hitting.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 18:13:28,263 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-13 18:13:28,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-13 18:13:28,283 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-13 18:13:28,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-13 18:13:28,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-13 18:13:28,296 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-13 18:13:28,297 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-13 18:13:28,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-13 18:13:28,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-13 18:13:28,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-13 18:13:28,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-13 18:13:28,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-13 18:13:28,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-13 18:13:28,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-13 18:13:28,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-13 18:13:28,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-13 18:13:28,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-13 18:13:28,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-13 18:13:28,347 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-13 18:13:28,350 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-CovSimpl-Hitting.epf [2021-08-13 18:13:28,371 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-13 18:13:28,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-13 18:13:28,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-13 18:13:28,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-13 18:13:28,372 INFO L138 SettingsManager]: * Use SBE=true [2021-08-13 18:13:28,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-13 18:13:28,373 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-13 18:13:28,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-13 18:13:28,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-13 18:13:28,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-13 18:13:28,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-13 18:13:28,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-13 18:13:28,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-13 18:13:28,374 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-13 18:13:28,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-13 18:13:28,374 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-13 18:13:28,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-13 18:13:28,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-13 18:13:28,374 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-13 18:13:28,374 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-13 18:13:28,374 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-13 18:13:28,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 18:13:28,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-13 18:13:28,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-13 18:13:28,375 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-13 18:13:28,375 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-13 18:13:28,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-13 18:13:28,375 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-13 18:13:28,375 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-13 18:13:28,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-13 18:13:28,376 INFO L138 SettingsManager]: * Compute cosets for OwickiGries annotation iteratively=true [2021-08-13 18:13:28,376 INFO L138 SettingsManager]: * Use hitting sets in computation of OwickiGries annotation=true [2021-08-13 18:13:28,376 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-13 18:13:28,376 INFO L138 SettingsManager]: * Simplify away covered predicates in OwickiGries annotation=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-13 18:13:28,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-13 18:13:28,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-13 18:13:28,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-13 18:13:28,633 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-13 18:13:28,633 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-13 18:13:28,634 INFO L432 ainManager$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 18:13:28,635 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 18:13:28,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-13 18:13:28,749 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-13 18:13:28,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-13 18:13:28,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-13 18:13:28,755 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-13 18:13:28,768 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 06:13:28" (1/1) ... [2021-08-13 18:13:28,778 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 06:13:28" (1/1) ... [2021-08-13 18:13:28,787 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-13 18:13:28,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-13 18:13:28,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-13 18:13:28,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-13 18:13:28,794 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 06:13:28" (1/1) ... [2021-08-13 18:13:28,794 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 06:13:28" (1/1) ... [2021-08-13 18:13:28,795 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 06:13:28" (1/1) ... [2021-08-13 18:13:28,795 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 06:13:28" (1/1) ... [2021-08-13 18:13:28,798 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 06:13:28" (1/1) ... [2021-08-13 18:13:28,802 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 06:13:28" (1/1) ... [2021-08-13 18:13:28,803 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 06:13:28" (1/1) ... [2021-08-13 18:13:28,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-13 18:13:28,809 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-13 18:13:28,809 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-13 18:13:28,809 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-13 18:13:28,810 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 06:13:28" (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 18:13:28,875 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-13 18:13:28,875 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-13 18:13:28,875 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-13 18:13:28,875 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-13 18:13:28,875 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-13 18:13:28,875 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-13 18:13:28,875 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-13 18:13:28,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-13 18:13:28,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-13 18:13:28,876 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-13 18:13:28,876 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-13 18:13:28,877 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-13 18:13:28,877 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-08-13 18:13:28,877 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-08-13 18:13:28,877 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-08-13 18:13:28,878 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 18:13:29,040 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-13 18:13:29,041 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-13 18:13:29,042 INFO L202 PluginConnector]: Adding new model exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 06:13:29 BoogieIcfgContainer [2021-08-13 18:13:29,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-13 18:13:29,043 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-13 18:13:29,043 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-13 18:13:29,045 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-13 18:13:29,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 06:13:28" (1/2) ... [2021-08-13 18:13:29,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12b83b51 and model type exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 06:13:29, skipping insertion in model container [2021-08-13 18:13:29,046 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 06:13:29" (2/2) ... [2021-08-13 18:13:29,047 INFO L111 eAbstractionObserver]: Analyzing ICFG exp2x9.wvr.bpl [2021-08-13 18:13:29,051 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-13 18:13:29,051 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-13 18:13:29,052 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-13 18:13:29,129 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-08-13 18:13:29,145 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-08-13 18:13:29,166 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-13 18:13:29,166 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-13 18:13:29,166 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-13 18:13:29,166 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-13 18:13:29,166 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-13 18:13:29,167 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-13 18:13:29,167 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-13 18:13:29,167 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-13 18:13:29,174 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 57 transitions, 146 flow [2021-08-13 18:13:29,220 INFO L129 PetriNetUnfolder]: 4/53 cut-off events. [2021-08-13 18:13:29,220 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-08-13 18:13:29,224 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 18:13:29,224 INFO L82 GeneralOperation]: Start removeDead. Operand has 66 places, 57 transitions, 146 flow [2021-08-13 18:13:29,227 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 51 transitions, 126 flow [2021-08-13 18:13:29,248 INFO L129 PetriNetUnfolder]: 4/50 cut-off events. [2021-08-13 18:13:29,248 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-08-13 18:13:29,249 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 18:13:29,249 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 18:13:29,249 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 18:13:29,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 18:13:29,253 INFO L82 PathProgramCache]: Analyzing trace with hash -859559450, now seen corresponding path program 1 times [2021-08-13 18:13:29,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 18:13:29,266 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319917997] [2021-08-13 18:13:29,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 18:13:29,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 18:13:29,391 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-08-13 18:13:29,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:13:29,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:29,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 18:13:29,407 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 18:13:29,407 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 18:13:29,408 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319917997] [2021-08-13 18:13:29,408 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319917997] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 18:13:29,409 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 18:13:29,409 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-13 18:13:29,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758919820] [2021-08-13 18:13:29,416 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-13 18:13:29,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 18:13:29,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-13 18:13:29,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-13 18:13:29,428 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 57 [2021-08-13 18:13:29,431 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 18:13:29,431 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 18:13:29,431 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 57 [2021-08-13 18:13:29,432 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 18:13:29,895 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 18:13:29,896 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 18:13:29,896 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 18:13:29,896 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 18:13:29,897 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 18:13:29,897 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][22], [65#true, 50#L18true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 18:13:29,897 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 18:13:29,897 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 18:13:29,898 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 18:13:29,898 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 18:13:29,911 INFO L382 tUnfolder$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 18:13:29,911 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-08-13 18:13:29,911 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 18:13:29,911 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 18:13:29,911 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 18:13:29,912 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][22], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 7#thread1FINALtrue, 45#L46true, 46#L78true, 63#true]) [2021-08-13 18:13:29,912 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-08-13 18:13:29,912 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 18:13:29,912 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 18:13:29,912 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 18:13:30,031 INFO L382 tUnfolder$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 18:13:30,032 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-08-13 18:13:30,032 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 18:13:30,032 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 18:13:30,032 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 18:13:30,032 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][22], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 8#L19true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 18:13:30,032 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-08-13 18:13:30,032 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 18:13:30,032 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 18:13:30,032 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 18:13:30,175 INFO L382 tUnfolder$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 18:13:30,176 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-08-13 18:13:30,176 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 18:13:30,176 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 18:13:30,176 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 18:13:30,176 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][22], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 24#L20true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 18:13:30,176 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-08-13 18:13:30,176 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 18:13:30,176 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 18:13:30,176 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 18:13:30,339 INFO L382 tUnfolder$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 18:13:30,340 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-08-13 18:13:30,340 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 18:13:30,341 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 18:13:30,341 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 18:13:30,341 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][22], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 55#L21true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 18:13:30,341 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-08-13 18:13:30,342 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 18:13:30,342 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 18:13:30,342 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 18:13:30,461 INFO L382 tUnfolder$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 18:13:30,461 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-08-13 18:13:30,461 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 18:13:30,461 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 18:13:30,461 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 18:13:30,461 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][22], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 45#L46true, 13#L22true, 46#L78true, 63#true]) [2021-08-13 18:13:30,462 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-08-13 18:13:30,462 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 18:13:30,462 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 18:13:30,462 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 18:13:30,646 INFO L382 tUnfolder$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 18:13:30,646 INFO L384 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2021-08-13 18:13:30,646 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 18:13:30,646 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 18:13:30,647 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 18:13:30,647 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][22], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 29#L23true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 18:13:30,647 INFO L384 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2021-08-13 18:13:30,647 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 18:13:30,648 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 18:13:30,648 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 18:13:30,831 INFO L382 tUnfolder$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 18:13:30,832 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 18:13:30,832 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 18:13:30,833 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 18:13:30,836 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 18:13:30,836 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][22], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 43#L24true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 18:13:30,836 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 18:13:30,836 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 18:13:30,837 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 18:13:30,837 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 18:13:30,938 INFO L382 tUnfolder$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 18:13:30,938 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 18:13:30,938 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 18:13:30,938 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 18:13:30,938 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 18:13:30,938 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][22], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 61#L25true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 18:13:30,938 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 18:13:30,938 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 18:13:30,939 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 18:13:30,939 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 18:13:31,556 INFO L129 PetriNetUnfolder]: 23302/30909 cut-off events. [2021-08-13 18:13:31,556 INFO L130 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2021-08-13 18:13:31,703 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 18:13:31,833 INFO L132 encePairwiseOnDemand]: 51/57 looper letters, 45 selfloop transitions, 5 changer transitions 0/63 dead transitions. [2021-08-13 18:13:31,833 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 63 transitions, 250 flow [2021-08-13 18:13:31,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-13 18:13:31,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-08-13 18:13:31,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 105 transitions. [2021-08-13 18:13:31,841 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6140350877192983 [2021-08-13 18:13:31,841 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 105 transitions. [2021-08-13 18:13:31,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 105 transitions. [2021-08-13 18:13:31,842 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 18:13:31,843 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 105 transitions. [2021-08-13 18:13:31,845 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 18:13:31,847 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 18:13:31,848 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 18:13:31,848 INFO L348 CegarLoopForPetriNet]: 60 programPoint places, 2 predicate places. [2021-08-13 18:13:31,848 INFO L482 AbstractCegarLoop]: Abstraction has has 62 places, 63 transitions, 250 flow [2021-08-13 18:13:31,848 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 18:13:31,849 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 18:13:31,849 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 18:13:31,849 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-13 18:13:31,849 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 18:13:31,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 18:13:31,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1404164327, now seen corresponding path program 1 times [2021-08-13 18:13:31,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 18:13:31,850 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164767527] [2021-08-13 18:13:31,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 18:13:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 18:13:31,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:31,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:13:31,896 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-08-13 18:13:31,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 18:13:31,903 INFO L142 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-08-13 18:13:31,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 18:13:31,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:31,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 18:13:31,904 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 18:13:31,904 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 18:13:31,904 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164767527] [2021-08-13 18:13:31,905 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164767527] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 18:13:31,905 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 18:13:31,905 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 18:13:31,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790531173] [2021-08-13 18:13:31,906 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 18:13:31,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 18:13:31,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 18:13:31,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-13 18:13:31,907 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 57 [2021-08-13 18:13:31,908 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 18:13:31,908 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 18:13:31,908 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 57 [2021-08-13 18:13:31,908 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 18:13:32,370 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 18:13:32,370 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-08-13 18:13:32,370 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 18:13:32,370 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 18:13:32,370 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 18:13:32,371 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][26], [65#true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 24#L20true, 74#true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 18:13:32,371 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-08-13 18:13:32,371 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 18:13:32,371 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 18:13:32,371 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 18:13:32,473 INFO L382 tUnfolder$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 18:13:32,473 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-08-13 18:13:32,473 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 18:13:32,473 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 18:13:32,473 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 18:13:32,473 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][26], [65#true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 55#L21true, 74#true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 18:13:32,473 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-08-13 18:13:32,474 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 18:13:32,474 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 18:13:32,474 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 18:13:32,647 INFO L382 tUnfolder$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 18:13:32,648 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-08-13 18:13:32,648 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 18:13:32,648 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 18:13:32,648 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 18:13:32,648 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][26], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 74#true, 13#L22true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 18:13:32,648 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-08-13 18:13:32,648 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 18:13:32,648 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 18:13:32,648 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 18:13:32,767 INFO L382 tUnfolder$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 18:13:32,767 INFO L384 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2021-08-13 18:13:32,767 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 18:13:32,767 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 18:13:32,767 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 18:13:32,767 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][26], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 74#true, 29#L23true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 18:13:32,767 INFO L384 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2021-08-13 18:13:32,767 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 18:13:32,767 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 18:13:32,768 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 18:13:32,903 INFO L382 tUnfolder$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 18:13:32,903 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 18:13:32,903 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 18:13:32,903 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 18:13:32,903 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 18:13:32,903 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][26], [65#true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 74#true, 43#L24true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 18:13:32,903 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 18:13:32,903 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 18:13:32,903 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 18:13:32,904 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 18:13:33,083 INFO L382 tUnfolder$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 18:13:33,084 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 18:13:33,084 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 18:13:33,085 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 18:13:33,087 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 18:13:33,087 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][26], [65#true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 74#true, 61#L25true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 18:13:33,087 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 18:13:33,088 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 18:13:33,088 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 18:13:33,088 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 18:13:33,202 INFO L382 tUnfolder$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 18:13:33,202 INFO L384 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2021-08-13 18:13:33,202 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 18:13:33,202 INFO L387 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2021-08-13 18:13:33,202 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 18:13:33,202 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][26], [65#true, 50#L18true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 74#true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 18:13:33,202 INFO L384 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2021-08-13 18:13:33,202 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 18:13:33,202 INFO L387 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2021-08-13 18:13:33,202 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 18:13:33,229 INFO L382 tUnfolder$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 18:13:33,230 INFO L384 tUnfolder$Statistics]: this new event has 23 ancestors and is cut-off event [2021-08-13 18:13:33,230 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 18:13:33,230 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 18:13:33,230 INFO L387 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2021-08-13 18:13:33,230 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][26], [65#true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 7#thread1FINALtrue, 74#true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 18:13:33,230 INFO L384 tUnfolder$Statistics]: this new event has 23 ancestors and is cut-off event [2021-08-13 18:13:33,230 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 18:13:33,230 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 18:13:33,230 INFO L387 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2021-08-13 18:13:33,317 INFO L382 tUnfolder$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 18:13:33,317 INFO L384 tUnfolder$Statistics]: this new event has 23 ancestors and is cut-off event [2021-08-13 18:13:33,317 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 18:13:33,317 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 18:13:33,317 INFO L387 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2021-08-13 18:13:33,318 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][26], [65#true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 8#L19true, 74#true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 18:13:33,318 INFO L384 tUnfolder$Statistics]: this new event has 23 ancestors and is cut-off event [2021-08-13 18:13:33,318 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 18:13:33,318 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 18:13:33,318 INFO L387 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2021-08-13 18:13:33,836 INFO L129 PetriNetUnfolder]: 25615/34135 cut-off events. [2021-08-13 18:13:33,836 INFO L130 PetriNetUnfolder]: For 11251/11347 co-relation queries the response was YES. [2021-08-13 18:13:33,917 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 18:13:34,213 INFO L132 encePairwiseOnDemand]: 50/57 looper letters, 48 selfloop transitions, 9 changer transitions 0/86 dead transitions. [2021-08-13 18:13:34,213 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 86 transitions, 456 flow [2021-08-13 18:13:34,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-13 18:13:34,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-08-13 18:13:34,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 171 transitions. [2021-08-13 18:13:34,219 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.75 [2021-08-13 18:13:34,219 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 171 transitions. [2021-08-13 18:13:34,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 171 transitions. [2021-08-13 18:13:34,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 18:13:34,221 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 171 transitions. [2021-08-13 18:13:34,223 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 18:13:34,223 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 18:13:34,224 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 18:13:34,224 INFO L348 CegarLoopForPetriNet]: 60 programPoint places, 5 predicate places. [2021-08-13 18:13:34,224 INFO L482 AbstractCegarLoop]: Abstraction has has 65 places, 86 transitions, 456 flow [2021-08-13 18:13:34,224 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 18:13:34,224 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 18:13:34,225 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 18:13:34,225 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-13 18:13:34,225 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 18:13:34,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 18:13:34,228 INFO L82 PathProgramCache]: Analyzing trace with hash 347786551, now seen corresponding path program 2 times [2021-08-13 18:13:34,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 18:13:34,228 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613742248] [2021-08-13 18:13:34,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 18:13:34,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 18:13:34,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:34,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:13:34,265 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-08-13 18:13:34,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:13:34,273 INFO L142 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-08-13 18:13:34,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 18:13:34,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:34,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 18:13:34,276 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 18:13:34,276 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 18:13:34,276 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613742248] [2021-08-13 18:13:34,277 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613742248] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 18:13:34,277 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 18:13:34,277 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 18:13:34,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389982507] [2021-08-13 18:13:34,277 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 18:13:34,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 18:13:34,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 18:13:34,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-13 18:13:34,279 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 57 [2021-08-13 18:13:34,280 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 18:13:34,280 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 18:13:34,280 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 57 [2021-08-13 18:13:34,280 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 18:13:34,619 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 18:13:34,619 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-08-13 18:13:34,619 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 18:13:34,619 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 18:13:34,619 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 18:13:34,619 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][29], [65#true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 24#L20true, 74#true, 45#L46true, 46#L78true, 63#true, 79#true]) [2021-08-13 18:13:34,619 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-08-13 18:13:34,619 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 18:13:34,620 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 18:13:34,620 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 18:13:34,812 INFO L382 tUnfolder$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 18:13:34,812 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-08-13 18:13:34,812 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 18:13:34,812 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 18:13:34,812 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 18:13:34,813 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][29], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 55#L21true, 74#true, 45#L46true, 46#L78true, 79#true, 63#true]) [2021-08-13 18:13:34,813 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-08-13 18:13:34,813 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 18:13:34,813 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 18:13:34,813 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 18:13:34,945 INFO L382 tUnfolder$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 18:13:34,946 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-08-13 18:13:34,946 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 18:13:34,946 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 18:13:34,946 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 18:13:34,946 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][29], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 74#true, 45#L46true, 13#L22true, 46#L78true, 79#true, 63#true]) [2021-08-13 18:13:34,946 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-08-13 18:13:34,946 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 18:13:34,946 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 18:13:34,946 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 18:13:35,086 INFO L382 tUnfolder$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 18:13:35,086 INFO L384 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2021-08-13 18:13:35,087 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 18:13:35,087 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 18:13:35,087 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 18:13:35,087 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][29], [65#true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 74#true, 29#L23true, 45#L46true, 46#L78true, 63#true, 79#true]) [2021-08-13 18:13:35,087 INFO L384 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2021-08-13 18:13:35,087 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 18:13:35,087 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 18:13:35,087 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 18:13:35,212 INFO L382 tUnfolder$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 18:13:35,212 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 18:13:35,213 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 18:13:35,213 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 18:13:35,213 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 18:13:35,213 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][29], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 74#true, 43#L24true, 45#L46true, 46#L78true, 79#true, 63#true]) [2021-08-13 18:13:35,213 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 18:13:35,213 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 18:13:35,213 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 18:13:35,213 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 18:13:35,452 INFO L382 tUnfolder$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 18:13:35,452 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 18:13:35,452 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 18:13:35,452 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 18:13:35,452 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 18:13:35,452 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][29], [65#true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 74#true, 61#L25true, 45#L46true, 46#L78true, 63#true, 79#true]) [2021-08-13 18:13:35,453 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 18:13:35,453 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 18:13:35,453 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 18:13:35,453 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 18:13:35,609 INFO L382 tUnfolder$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 18:13:35,609 INFO L384 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2021-08-13 18:13:35,610 INFO L387 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2021-08-13 18:13:35,610 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 18:13:35,610 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 18:13:35,610 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][29], [65#true, 50#L18true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 74#true, 45#L46true, 46#L78true, 63#true, 79#true]) [2021-08-13 18:13:35,610 INFO L384 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2021-08-13 18:13:35,610 INFO L387 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2021-08-13 18:13:35,610 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 18:13:35,610 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 18:13:35,714 INFO L382 tUnfolder$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 18:13:35,715 INFO L384 tUnfolder$Statistics]: this new event has 23 ancestors and is cut-off event [2021-08-13 18:13:35,715 INFO L387 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2021-08-13 18:13:35,715 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 18:13:35,715 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 18:13:35,715 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][29], [65#true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 8#L19true, 74#true, 45#L46true, 46#L78true, 63#true, 79#true]) [2021-08-13 18:13:35,715 INFO L384 tUnfolder$Statistics]: this new event has 23 ancestors and is cut-off event [2021-08-13 18:13:35,715 INFO L387 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2021-08-13 18:13:35,715 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 18:13:35,715 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 18:13:35,732 INFO L382 tUnfolder$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 18:13:35,733 INFO L384 tUnfolder$Statistics]: this new event has 23 ancestors and is cut-off event [2021-08-13 18:13:35,733 INFO L387 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2021-08-13 18:13:35,733 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 18:13:35,733 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 18:13:35,733 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][29], [65#true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 7#thread1FINALtrue, 74#true, 45#L46true, 46#L78true, 79#true, 63#true]) [2021-08-13 18:13:35,733 INFO L384 tUnfolder$Statistics]: this new event has 23 ancestors and is cut-off event [2021-08-13 18:13:35,733 INFO L387 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2021-08-13 18:13:35,733 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 18:13:35,733 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 18:13:36,215 INFO L129 PetriNetUnfolder]: 25003/33687 cut-off events. [2021-08-13 18:13:36,215 INFO L130 PetriNetUnfolder]: For 33995/34161 co-relation queries the response was YES. [2021-08-13 18:13:36,299 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 18:13:36,443 INFO L132 encePairwiseOnDemand]: 50/57 looper letters, 60 selfloop transitions, 9 changer transitions 0/98 dead transitions. [2021-08-13 18:13:36,444 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 98 transitions, 666 flow [2021-08-13 18:13:36,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-13 18:13:36,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-08-13 18:13:36,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 171 transitions. [2021-08-13 18:13:36,446 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.75 [2021-08-13 18:13:36,446 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 171 transitions. [2021-08-13 18:13:36,446 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 171 transitions. [2021-08-13 18:13:36,446 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 18:13:36,446 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 171 transitions. [2021-08-13 18:13:36,446 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 18:13:36,448 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 18:13:36,448 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 18:13:36,448 INFO L348 CegarLoopForPetriNet]: 60 programPoint places, 8 predicate places. [2021-08-13 18:13:36,448 INFO L482 AbstractCegarLoop]: Abstraction has has 68 places, 98 transitions, 666 flow [2021-08-13 18:13:36,448 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 18:13:36,448 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 18:13:36,449 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 18:13:36,449 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-13 18:13:36,449 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 18:13:36,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 18:13:36,449 INFO L82 PathProgramCache]: Analyzing trace with hash -2099992685, now seen corresponding path program 1 times [2021-08-13 18:13:36,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 18:13:36,449 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314286589] [2021-08-13 18:13:36,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 18:13:36,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 18:13:36,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:36,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:36,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:36,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:36,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:36,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 18:13:36,488 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 18:13:36,488 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 18:13:36,488 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314286589] [2021-08-13 18:13:36,488 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314286589] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 18:13:36,488 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 18:13:36,488 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 18:13:36,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176967353] [2021-08-13 18:13:36,488 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 18:13:36,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 18:13:36,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 18:13:36,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-13 18:13:36,489 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 57 [2021-08-13 18:13:36,489 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 18:13:36,489 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 18:13:36,489 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 57 [2021-08-13 18:13:36,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 18:13:39,080 INFO L129 PetriNetUnfolder]: 30633/42087 cut-off events. [2021-08-13 18:13:39,080 INFO L130 PetriNetUnfolder]: For 45176/45450 co-relation queries the response was YES. [2021-08-13 18:13:39,209 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 18:13:39,535 INFO L132 encePairwiseOnDemand]: 50/57 looper letters, 124 selfloop transitions, 22 changer transitions 0/177 dead transitions. [2021-08-13 18:13:39,535 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 177 transitions, 1554 flow [2021-08-13 18:13:39,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 18:13:39,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 18:13:39,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 219 transitions. [2021-08-13 18:13:39,537 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7684210526315789 [2021-08-13 18:13:39,537 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 219 transitions. [2021-08-13 18:13:39,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 219 transitions. [2021-08-13 18:13:39,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 18:13:39,537 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 219 transitions. [2021-08-13 18:13:39,538 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 18:13:39,539 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 18:13:39,539 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 18:13:39,539 INFO L348 CegarLoopForPetriNet]: 60 programPoint places, 12 predicate places. [2021-08-13 18:13:39,539 INFO L482 AbstractCegarLoop]: Abstraction has has 72 places, 177 transitions, 1554 flow [2021-08-13 18:13:39,539 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 18:13:39,539 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 18:13:39,540 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 18:13:39,540 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-13 18:13:39,540 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 18:13:39,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 18:13:39,540 INFO L82 PathProgramCache]: Analyzing trace with hash 964366339, now seen corresponding path program 2 times [2021-08-13 18:13:39,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 18:13:39,541 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254219932] [2021-08-13 18:13:39,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 18:13:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 18:13:39,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:39,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:39,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:39,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:39,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:39,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 18:13:39,586 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 18:13:39,586 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 18:13:39,586 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254219932] [2021-08-13 18:13:39,586 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254219932] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 18:13:39,586 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 18:13:39,586 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 18:13:39,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118016328] [2021-08-13 18:13:39,588 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 18:13:39,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 18:13:39,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 18:13:39,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-13 18:13:39,589 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 57 [2021-08-13 18:13:39,589 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 18:13:39,590 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 18:13:39,590 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 57 [2021-08-13 18:13:39,590 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 18:13:42,182 INFO L129 PetriNetUnfolder]: 28979/39692 cut-off events. [2021-08-13 18:13:42,183 INFO L130 PetriNetUnfolder]: For 47920/48373 co-relation queries the response was YES. [2021-08-13 18:13:42,293 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 18:13:42,587 INFO L132 encePairwiseOnDemand]: 50/57 looper letters, 197 selfloop transitions, 35 changer transitions 3/266 dead transitions. [2021-08-13 18:13:42,587 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 266 transitions, 2874 flow [2021-08-13 18:13:42,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 18:13:42,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 18:13:42,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 217 transitions. [2021-08-13 18:13:42,589 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7614035087719299 [2021-08-13 18:13:42,589 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 217 transitions. [2021-08-13 18:13:42,589 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 217 transitions. [2021-08-13 18:13:42,589 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 18:13:42,589 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 217 transitions. [2021-08-13 18:13:42,590 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 18:13:42,591 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 18:13:42,591 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 18:13:42,591 INFO L348 CegarLoopForPetriNet]: 60 programPoint places, 16 predicate places. [2021-08-13 18:13:42,591 INFO L482 AbstractCegarLoop]: Abstraction has has 76 places, 266 transitions, 2874 flow [2021-08-13 18:13:42,591 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 18:13:42,592 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 18:13:42,592 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 18:13:42,592 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-13 18:13:42,592 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 18:13:42,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 18:13:42,592 INFO L82 PathProgramCache]: Analyzing trace with hash -865214041, now seen corresponding path program 1 times [2021-08-13 18:13:42,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 18:13:42,592 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770323672] [2021-08-13 18:13:42,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 18:13:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 18:13:42,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 18:13:42,635 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 18:13:42,635 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 18:13:42,635 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770323672] [2021-08-13 18:13:42,635 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770323672] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 18:13:42,638 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806625942] [2021-08-13 18:13:42,638 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 18:13:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 18:13:42,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-13 18:13:42,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 18:13:42,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:13:42,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,812 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 18:13:42,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:13:42,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 18:13:42,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:42,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:42,879 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-08-13 18:13:42,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 18:13:42,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 18:13:42,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 18:13:42,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 18:13:42,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 18:13:42,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 18:13:42,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 18:13:42,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 18:13:42,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 18:13:42,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 18:13:42,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 18:13:42,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 18:13:42,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:42,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 18:13:42,893 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 18:13:42,894 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806625942] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 18:13:42,895 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 18:13:42,895 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-08-13 18:13:42,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807603021] [2021-08-13 18:13:42,895 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 18:13:42,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 18:13:42,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 18:13:42,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-13 18:13:42,896 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 57 [2021-08-13 18:13:42,897 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 18:13:42,897 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 18:13:42,897 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 57 [2021-08-13 18:13:42,897 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 18:13:47,360 INFO L129 PetriNetUnfolder]: 30001/42404 cut-off events. [2021-08-13 18:13:47,360 INFO L130 PetriNetUnfolder]: For 55600/56140 co-relation queries the response was YES. [2021-08-13 18:13:47,486 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 18:13:47,866 INFO L132 encePairwiseOnDemand]: 50/57 looper letters, 316 selfloop transitions, 38 changer transitions 3/388 dead transitions. [2021-08-13 18:13:47,867 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 388 transitions, 4988 flow [2021-08-13 18:13:47,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 18:13:47,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 18:13:47,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 218 transitions. [2021-08-13 18:13:47,868 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7649122807017544 [2021-08-13 18:13:47,868 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 218 transitions. [2021-08-13 18:13:47,868 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 218 transitions. [2021-08-13 18:13:47,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 18:13:47,868 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 218 transitions. [2021-08-13 18:13:47,870 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 18:13:47,871 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 18:13:47,871 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 18:13:47,871 INFO L348 CegarLoopForPetriNet]: 60 programPoint places, 20 predicate places. [2021-08-13 18:13:47,871 INFO L482 AbstractCegarLoop]: Abstraction has has 80 places, 388 transitions, 4988 flow [2021-08-13 18:13:47,871 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 18:13:47,872 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 18:13:47,872 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 18:13:48,092 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-08-13 18:13:48,092 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 18:13:48,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 18:13:48,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1899617565, now seen corresponding path program 2 times [2021-08-13 18:13:48,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 18:13:48,093 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516545256] [2021-08-13 18:13:48,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 18:13:48,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 18:13:48,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:48,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:48,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:48,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 18:13:48,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:48,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 18:13:48,119 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 18:13:48,120 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 18:13:48,120 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516545256] [2021-08-13 18:13:48,120 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516545256] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 18:13:48,120 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 18:13:48,120 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 18:13:48,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983903901] [2021-08-13 18:13:48,120 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 18:13:48,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 18:13:48,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 18:13:48,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-13 18:13:48,121 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 57 [2021-08-13 18:13:48,121 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 18:13:48,121 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 18:13:48,121 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 57 [2021-08-13 18:13:48,121 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 18:13:51,103 INFO L129 PetriNetUnfolder]: 28347/39862 cut-off events. [2021-08-13 18:13:51,103 INFO L130 PetriNetUnfolder]: For 60119/61028 co-relation queries the response was YES. [2021-08-13 18:13:51,254 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 18:13:51,484 INFO L132 encePairwiseOnDemand]: 50/57 looper letters, 309 selfloop transitions, 33 changer transitions 8/381 dead transitions. [2021-08-13 18:13:51,485 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 381 transitions, 5594 flow [2021-08-13 18:13:51,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 18:13:51,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 18:13:51,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 216 transitions. [2021-08-13 18:13:51,486 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7578947368421053 [2021-08-13 18:13:51,486 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 216 transitions. [2021-08-13 18:13:51,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 216 transitions. [2021-08-13 18:13:51,486 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 18:13:51,486 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 216 transitions. [2021-08-13 18:13:51,486 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 18:13:51,487 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 18:13:51,487 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 18:13:51,487 INFO L348 CegarLoopForPetriNet]: 60 programPoint places, 24 predicate places. [2021-08-13 18:13:51,487 INFO L482 AbstractCegarLoop]: Abstraction has has 84 places, 381 transitions, 5594 flow [2021-08-13 18:13:51,487 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 18:13:51,487 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 18:13:51,488 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 18:13:51,488 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-13 18:13:51,488 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 18:13:51,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 18:13:51,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1922414709, now seen corresponding path program 1 times [2021-08-13 18:13:51,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 18:13:51,488 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067176858] [2021-08-13 18:13:51,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 18:13:51,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 18:13:51,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:51,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:13:51,502 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-08-13 18:13:51,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 18:13:51,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:51,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:51,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:51,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 18:13:51,512 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 18:13:51,512 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 18:13:51,512 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067176858] [2021-08-13 18:13:51,512 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067176858] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 18:13:51,512 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 18:13:51,512 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-13 18:13:51,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231848011] [2021-08-13 18:13:51,512 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 18:13:51,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 18:13:51,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 18:13:51,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-13 18:13:51,513 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 57 [2021-08-13 18:13:51,513 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 18:13:51,513 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 18:13:51,513 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 57 [2021-08-13 18:13:51,513 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 18:13:55,142 INFO L129 PetriNetUnfolder]: 31209/43120 cut-off events. [2021-08-13 18:13:55,142 INFO L130 PetriNetUnfolder]: For 127288/128308 co-relation queries the response was YES. [2021-08-13 18:13:55,314 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 18:13:55,568 INFO L132 encePairwiseOnDemand]: 51/57 looper letters, 337 selfloop transitions, 54 changer transitions 8/462 dead transitions. [2021-08-13 18:13:55,568 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 462 transitions, 7632 flow [2021-08-13 18:13:55,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 18:13:55,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 18:13:55,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 216 transitions. [2021-08-13 18:13:55,569 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7578947368421053 [2021-08-13 18:13:55,569 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 216 transitions. [2021-08-13 18:13:55,569 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 216 transitions. [2021-08-13 18:13:55,569 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 18:13:55,569 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 216 transitions. [2021-08-13 18:13:55,570 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 18:13:55,570 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 18:13:55,571 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 18:13:55,571 INFO L348 CegarLoopForPetriNet]: 60 programPoint places, 28 predicate places. [2021-08-13 18:13:55,571 INFO L482 AbstractCegarLoop]: Abstraction has has 88 places, 462 transitions, 7632 flow [2021-08-13 18:13:55,571 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 18:13:55,571 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 18:13:55,571 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 18:13:55,571 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-13 18:13:55,571 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 18:13:55,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 18:13:55,571 INFO L82 PathProgramCache]: Analyzing trace with hash 2048113673, now seen corresponding path program 3 times [2021-08-13 18:13:55,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 18:13:55,572 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77562852] [2021-08-13 18:13:55,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 18:13:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 18:13:55,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:55,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:13:55,584 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-08-13 18:13:55,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 18:13:55,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:55,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 18:13:55,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:13:55,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 18:13:55,594 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 18:13:55,594 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 18:13:55,594 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77562852] [2021-08-13 18:13:55,595 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77562852] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 18:13:55,595 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 18:13:55,595 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-13 18:13:55,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077048573] [2021-08-13 18:13:55,595 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 18:13:55,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 18:13:55,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 18:13:55,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-13 18:13:55,596 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 57 [2021-08-13 18:13:55,596 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 18:13:55,596 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 18:13:55,596 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 57 [2021-08-13 18:13:55,596 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 18:14:01,406 INFO L129 PetriNetUnfolder]: 34125/46928 cut-off events. [2021-08-13 18:14:01,407 INFO L130 PetriNetUnfolder]: For 206906/207434 co-relation queries the response was YES. [2021-08-13 18:14:01,549 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 18:14:01,854 INFO L132 encePairwiseOnDemand]: 51/57 looper letters, 459 selfloop transitions, 71 changer transitions 8/601 dead transitions. [2021-08-13 18:14:01,855 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 601 transitions, 11154 flow [2021-08-13 18:14:01,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 18:14:01,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 18:14:01,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 216 transitions. [2021-08-13 18:14:01,856 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7578947368421053 [2021-08-13 18:14:01,856 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 216 transitions. [2021-08-13 18:14:01,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 216 transitions. [2021-08-13 18:14:01,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 18:14:01,856 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 216 transitions. [2021-08-13 18:14:01,856 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 18:14:01,857 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 18:14:01,857 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 18:14:01,857 INFO L348 CegarLoopForPetriNet]: 60 programPoint places, 32 predicate places. [2021-08-13 18:14:01,857 INFO L482 AbstractCegarLoop]: Abstraction has has 92 places, 601 transitions, 11154 flow [2021-08-13 18:14:01,857 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 18:14:01,857 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 18:14:01,857 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 18:14:01,858 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-13 18:14:01,858 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 18:14:01,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 18:14:01,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1743497374, now seen corresponding path program 1 times [2021-08-13 18:14:01,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 18:14:01,858 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111279961] [2021-08-13 18:14:01,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 18:14:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 18:14:01,883 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-08-13 18:14:01,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:14:01,887 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 18:14:01,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 18:14:01,896 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 18:14:01,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 18:14:01,908 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 18:14:01,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 18:14:01,919 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 18:14:01,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 18:14:01,931 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 18:14:01,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 18:14:01,944 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 18:14:01,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 18:14:01,957 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 18:14:01,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 18:14:01,977 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 18:14:01,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 18:14:01,978 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 18:14:01,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 18:14:01,986 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 18:14:01,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 18:14:01,990 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 18:14:01,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 18:14:01,992 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 18:14:01,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 18:14:01,997 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 18:14:01,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 18:14:02,004 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-08-13 18:14:02,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 18:14:02,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 18:14:02,010 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 18:14:02,010 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 18:14:02,010 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111279961] [2021-08-13 18:14:02,010 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111279961] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 18:14:02,010 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766158482] [2021-08-13 18:14:02,010 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 18:14:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 18:14:02,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 33 conjunts are in the unsatisfiable core [2021-08-13 18:14:02,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 18:14:02,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:14:02,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:14:02,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:14:02,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:14:02,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:14:02,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:14:02,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:14:02,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:14:02,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:14:02,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:14:02,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:14:02,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:14:02,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:14:02,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:14:02,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:14:02,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:14:02,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:14:02,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:14:02,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:14:02,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:14:02,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:14:02,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:14:02,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:14:02,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:14:02,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:14:02,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:14:02,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:14:02,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:14:02,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:14:02,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:14:02,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:14:02,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:14:02,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:14:02,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:14:02,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:14:02,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 18:14:02,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 18:14:02,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 18:14:02,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 18:14:02,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 18:14:02,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 18:14:02,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 18:14:02,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 18:14:02,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 18:14:02,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 18:14:02,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 18:14:02,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 18:14:02,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 18:14:02,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 18:14:02,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 18:14:02,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 18:14:02,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 18:14:02,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 18:14:02,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 18:14:02,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 18:14:02,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 18:14:02,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 18:14:02,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 18:14:02,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 18:14:02,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 18:14:02,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 18:14:02,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 18:14:02,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 18:14:02,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 18:14:02,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 18:14:02,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 18:14:02,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 18:14:02,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 18:14:02,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 18:14:02,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 18:14:02,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 18:14:02,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 18:14:02,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 18:14:02,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 18:14:02,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 18:14:02,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 18:14:02,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-08-13 18:14:02,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-08-13 18:14:02,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-08-13 18:14:02,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-08-13 18:14:02,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-08-13 18:14:02,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-08-13 18:14:02,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-08-13 18:14:02,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-08-13 18:14:02,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-08-13 18:14:02,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-08-13 18:14:02,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-08-13 18:14:02,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-08-13 18:14:02,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-08-13 18:14:02,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-08-13 18:14:02,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-08-13 18:14:02,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-08-13 18:14:02,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 18:14:02,727 INFO L142 QuantifierPusher]: treesize reduction 5, result has 96.8 percent of original size [2021-08-13 18:14:02,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-08-13 18:14:02,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 18:14:02,763 WARN L348 FreeRefinementEngine]: Global settings require throwing the following exception [2021-08-13 18:14:02,984 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-08-13 18:14:02,985 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 18:14:02,988 INFO L168 Benchmark]: Toolchain (without parser) took 34238.51 ms. Allocated memory was 228.6 MB in the beginning and 6.4 GB in the end (delta: 6.2 GB). Free memory was 208.7 MB in the beginning and 4.7 GB in the end (delta: -4.5 GB). Peak memory consumption was 1.6 GB. Max. memory is 8.0 GB. [2021-08-13 18:14:02,988 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 228.6 MB. Free memory is still 209.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-13 18:14:02,988 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.56 ms. Allocated memory is still 228.6 MB. Free memory was 208.7 MB in the beginning and 207.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-13 18:14:02,988 INFO L168 Benchmark]: Boogie Preprocessor took 19.64 ms. Allocated memory is still 228.6 MB. Free memory was 207.1 MB in the beginning and 206.2 MB in the end (delta: 880.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-13 18:14:02,988 INFO L168 Benchmark]: RCFGBuilder took 233.61 ms. Allocated memory is still 228.6 MB. Free memory was 206.1 MB in the beginning and 192.1 MB in the end (delta: 14.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-08-13 18:14:02,988 INFO L168 Benchmark]: TraceAbstraction took 33943.65 ms. Allocated memory was 228.6 MB in the beginning and 6.4 GB in the end (delta: 6.2 GB). Free memory was 191.6 MB in the beginning and 4.7 GB in the end (delta: -4.5 GB). Peak memory consumption was 1.6 GB. Max. memory is 8.0 GB. [2021-08-13 18:14:02,989 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 228.6 MB. Free memory is still 209.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 32.56 ms. Allocated memory is still 228.6 MB. Free memory was 208.7 MB in the beginning and 207.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 19.64 ms. Allocated memory is still 228.6 MB. Free memory was 207.1 MB in the beginning and 206.2 MB in the end (delta: 880.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 233.61 ms. Allocated memory is still 228.6 MB. Free memory was 206.1 MB in the beginning and 192.1 MB in the end (delta: 14.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 33943.65 ms. Allocated memory was 228.6 MB in the beginning and 6.4 GB in the end (delta: 6.2 GB). Free memory was 191.6 MB in the beginning and 4.7 GB in the end (delta: -4.5 GB). Peak memory consumption was 1.6 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...