/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe-OGIterative.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-13 02:57:43,201 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-13 02:57:43,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-13 02:57:43,239 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-13 02:57:43,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-13 02:57:43,260 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-13 02:57:43,261 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-13 02:57:43,262 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-13 02:57:43,264 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-13 02:57:43,265 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-13 02:57:43,267 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-13 02:57:43,274 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-13 02:57:43,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-13 02:57:43,278 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-13 02:57:43,279 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-13 02:57:43,281 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-13 02:57:43,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-13 02:57:43,301 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe-OGIterative.epf [2021-08-13 02:57:43,318 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-13 02:57:43,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-13 02:57:43,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-13 02:57:43,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-13 02:57:43,319 INFO L138 SettingsManager]: * Use SBE=true [2021-08-13 02:57:43,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-13 02:57:43,320 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-13 02:57:43,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-13 02:57:43,320 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-13 02:57:43,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-13 02:57:43,320 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-13 02:57:43,320 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-13 02:57:43,321 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-13 02:57:43,321 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-13 02:57:43,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-13 02:57:43,321 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-13 02:57:43,321 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-13 02:57:43,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-13 02:57:43,322 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-13 02:57:43,322 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-13 02:57:43,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-13 02:57:43,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 02:57:43,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-13 02:57:43,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-13 02:57:43,323 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-13 02:57:43,323 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-13 02:57:43,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-13 02:57:43,323 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-13 02:57:43,324 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-13 02:57:43,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-13 02:57:43,324 INFO L138 SettingsManager]: * Compute cosets for OwickiGries annotation iteratively=true [2021-08-13 02:57:43,324 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-13 02:57:43,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-13 02:57:43,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-13 02:57:43,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-13 02:57:43,652 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-13 02:57:43,654 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-13 02:57:43,655 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x3.wvr.bpl [2021-08-13 02:57:43,656 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x3.wvr.bpl' [2021-08-13 02:57:43,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-13 02:57:43,684 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-13 02:57:43,685 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-13 02:57:43,685 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-13 02:57:43,685 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-13 02:57:43,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "exp2x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 02:57:43" (1/1) ... [2021-08-13 02:57:43,704 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "exp2x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 02:57:43" (1/1) ... [2021-08-13 02:57:43,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-13 02:57:43,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-13 02:57:43,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-13 02:57:43,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-13 02:57:43,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "exp2x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 02:57:43" (1/1) ... [2021-08-13 02:57:43,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "exp2x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 02:57:43" (1/1) ... [2021-08-13 02:57:43,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "exp2x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 02:57:43" (1/1) ... [2021-08-13 02:57:43,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "exp2x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 02:57:43" (1/1) ... [2021-08-13 02:57:43,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "exp2x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 02:57:43" (1/1) ... [2021-08-13 02:57:43,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "exp2x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 02:57:43" (1/1) ... [2021-08-13 02:57:43,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "exp2x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 02:57:43" (1/1) ... [2021-08-13 02:57:43,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-13 02:57:43,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-13 02:57:43,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-13 02:57:43,731 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-13 02:57:43,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "exp2x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 02:57:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 02:57:43,802 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-13 02:57:43,802 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-13 02:57:43,802 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-13 02:57:43,802 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-13 02:57:43,803 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-13 02:57:43,803 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-13 02:57:43,803 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-13 02:57:43,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-13 02:57:43,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-13 02:57:43,803 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-13 02:57:43,804 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-13 02:57:43,804 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-13 02:57:43,804 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-08-13 02:57:43,804 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-08-13 02:57:43,804 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-08-13 02:57:43,805 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-13 02:57:43,974 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-13 02:57:43,975 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-13 02:57:43,976 INFO L202 PluginConnector]: Adding new model exp2x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 02:57:43 BoogieIcfgContainer [2021-08-13 02:57:43,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-13 02:57:43,978 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-13 02:57:43,978 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-13 02:57:43,980 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-13 02:57:43,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 02:57:43" (1/2) ... [2021-08-13 02:57:43,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38d954a8 and model type exp2x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 02:57:43, skipping insertion in model container [2021-08-13 02:57:43,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 02:57:43" (2/2) ... [2021-08-13 02:57:43,983 INFO L111 eAbstractionObserver]: Analyzing ICFG exp2x3.wvr.bpl [2021-08-13 02:57:43,987 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-13 02:57:43,988 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-13 02:57:43,988 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-13 02:57:44,026 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-08-13 02:57:44,046 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-08-13 02:57:44,064 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-13 02:57:44,064 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-13 02:57:44,065 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-13 02:57:44,065 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-13 02:57:44,065 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-13 02:57:44,065 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-13 02:57:44,065 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-13 02:57:44,065 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-13 02:57:44,073 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 33 transitions, 98 flow [2021-08-13 02:57:44,097 INFO L129 PetriNetUnfolder]: 4/29 cut-off events. [2021-08-13 02:57:44,097 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-08-13 02:57:44,100 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 29 events. 4/29 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 52 event pairs, 0 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 25. Up to 2 conditions per place. [2021-08-13 02:57:44,121 INFO L82 GeneralOperation]: Start removeDead. Operand has 42 places, 33 transitions, 98 flow [2021-08-13 02:57:44,125 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 36 places, 27 transitions, 78 flow [2021-08-13 02:57:44,149 INFO L129 PetriNetUnfolder]: 4/26 cut-off events. [2021-08-13 02:57:44,149 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-08-13 02:57:44,150 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:57:44,150 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:57:44,150 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 02:57:44,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:57:44,161 INFO L82 PathProgramCache]: Analyzing trace with hash 338562115, now seen corresponding path program 1 times [2021-08-13 02:57:44,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:57:44,179 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677219107] [2021-08-13 02:57:44,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:57:44,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:57:44,381 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-08-13 02:57:44,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:44,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:44,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:44,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:57:44,447 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:57:44,447 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677219107] [2021-08-13 02:57:44,448 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677219107] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:57:44,448 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:57:44,448 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-13 02:57:44,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153627231] [2021-08-13 02:57:44,457 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-13 02:57:44,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:57:44,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-13 02:57:44,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-13 02:57:44,476 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 33 [2021-08-13 02:57:44,480 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 27 transitions, 78 flow. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:44,480 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:57:44,480 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 33 [2021-08-13 02:57:44,481 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:57:44,615 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([82] L42-->L43: 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[][23], [33#L18true, 21#L43true, 39#true, 41#true, 27#L34true, 43#true, 28#L26true, 45#true, 14#L54true, 46#true]) [2021-08-13 02:57:44,615 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-08-13 02:57:44,616 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 02:57:44,616 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 02:57:44,616 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 02:57:44,616 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([83] L42-->thread4FINAL: Formula: (not (< v_x4_6 v_n_8)) InVars {x4=v_x4_6, n=v_n_8} OutVars{x4=v_x4_6, n=v_n_8} AuxVars[] AssignedVars[][24], [33#L18true, 6#thread4FINALtrue, 39#true, 41#true, 27#L34true, 43#true, 28#L26true, 45#true, 14#L54true, 46#true]) [2021-08-13 02:57:44,616 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-08-13 02:57:44,616 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 02:57:44,616 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 02:57:44,616 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 02:57:44,639 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([82] L42-->L43: 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[][23], [21#L43true, 39#true, 41#true, 27#L34true, 43#true, 28#L26true, 45#true, 14#L54true, 46#true, 15#L19true]) [2021-08-13 02:57:44,639 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-08-13 02:57:44,639 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 02:57:44,639 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 02:57:44,640 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 02:57:44,640 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([83] L42-->thread4FINAL: Formula: (not (< v_x4_6 v_n_8)) InVars {x4=v_x4_6, n=v_n_8} OutVars{x4=v_x4_6, n=v_n_8} AuxVars[] AssignedVars[][24], [6#thread4FINALtrue, 39#true, 41#true, 27#L34true, 43#true, 28#L26true, 45#true, 14#L54true, 46#true, 15#L19true]) [2021-08-13 02:57:44,640 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-08-13 02:57:44,640 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 02:57:44,640 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 02:57:44,640 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 02:57:44,647 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([82] L42-->L43: 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[][23], [17#thread1FINALtrue, 21#L43true, 39#true, 41#true, 27#L34true, 43#true, 28#L26true, 45#true, 14#L54true, 46#true]) [2021-08-13 02:57:44,648 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-08-13 02:57:44,648 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 02:57:44,648 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 02:57:44,648 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 02:57:44,648 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([83] L42-->thread4FINAL: Formula: (not (< v_x4_6 v_n_8)) InVars {x4=v_x4_6, n=v_n_8} OutVars{x4=v_x4_6, n=v_n_8} AuxVars[] AssignedVars[][24], [17#thread1FINALtrue, 6#thread4FINALtrue, 39#true, 41#true, 27#L34true, 43#true, 28#L26true, 45#true, 14#L54true, 46#true]) [2021-08-13 02:57:44,648 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-08-13 02:57:44,648 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 02:57:44,648 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 02:57:44,649 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 02:57:44,717 INFO L129 PetriNetUnfolder]: 658/997 cut-off events. [2021-08-13 02:57:44,717 INFO L130 PetriNetUnfolder]: For 56/56 co-relation queries the response was YES. [2021-08-13 02:57:44,723 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1927 conditions, 997 events. 658/997 cut-off events. For 56/56 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 4722 event pairs, 136 based on Foata normal form. 1/681 useless extension candidates. Maximal degree in co-relation 1900. Up to 644 conditions per place. [2021-08-13 02:57:44,732 INFO L132 encePairwiseOnDemand]: 27/33 looper letters, 21 selfloop transitions, 5 changer transitions 0/39 dead transitions. [2021-08-13 02:57:44,732 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 39 transitions, 154 flow [2021-08-13 02:57:44,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-13 02:57:44,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-08-13 02:57:44,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 81 transitions. [2021-08-13 02:57:44,742 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8181818181818182 [2021-08-13 02:57:44,743 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 81 transitions. [2021-08-13 02:57:44,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 81 transitions. [2021-08-13 02:57:44,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:57:44,746 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 81 transitions. [2021-08-13 02:57:44,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:44,754 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:44,754 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:44,755 INFO L348 CegarLoopForPetriNet]: 36 programPoint places, 2 predicate places. [2021-08-13 02:57:44,755 INFO L482 AbstractCegarLoop]: Abstraction has has 38 places, 39 transitions, 154 flow [2021-08-13 02:57:44,757 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:44,757 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:57:44,758 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] [2021-08-13 02:57:44,758 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-13 02:57:44,758 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 02:57:44,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:57:44,760 INFO L82 PathProgramCache]: Analyzing trace with hash 517927309, now seen corresponding path program 1 times [2021-08-13 02:57:44,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:57:44,761 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074236491] [2021-08-13 02:57:44,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:57:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:57:44,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:44,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:44,831 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-08-13 02:57:44,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:57:44,841 INFO L142 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-08-13 02:57:44,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:44,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:44,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:44,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:57:44,844 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:57:44,844 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074236491] [2021-08-13 02:57:44,845 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074236491] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:57:44,845 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:57:44,848 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 02:57:44,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741833010] [2021-08-13 02:57:44,851 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 02:57:44,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:57:44,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 02:57:44,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-13 02:57:44,858 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-08-13 02:57:44,858 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 39 transitions, 154 flow. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:44,858 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:57:44,859 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-08-13 02:57:44,859 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:57:44,963 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([83] L42-->thread4FINAL: Formula: (not (< v_x4_6 v_n_8)) InVars {x4=v_x4_6, n=v_n_8} OutVars{x4=v_x4_6, n=v_n_8} AuxVars[] AssignedVars[][25], [33#L18true, 50#true, 6#thread4FINALtrue, 39#true, 41#true, 43#true, 27#L34true, 28#L26true, 45#true, 46#true, 14#L54true]) [2021-08-13 02:57:44,963 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-08-13 02:57:44,963 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 02:57:44,963 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 02:57:44,964 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 02:57:44,964 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([82] L42-->L43: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][26], [33#L18true, 50#true, 21#L43true, 39#true, 41#true, 43#true, 27#L34true, 28#L26true, 45#true, 46#true, 14#L54true]) [2021-08-13 02:57:44,964 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-08-13 02:57:44,964 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 02:57:44,964 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 02:57:44,964 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 02:57:44,988 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([83] L42-->thread4FINAL: Formula: (not (< v_x4_6 v_n_8)) InVars {x4=v_x4_6, n=v_n_8} OutVars{x4=v_x4_6, n=v_n_8} AuxVars[] AssignedVars[][25], [50#true, 6#thread4FINALtrue, 39#true, 41#true, 43#true, 27#L34true, 28#L26true, 45#true, 46#true, 14#L54true, 15#L19true]) [2021-08-13 02:57:44,989 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 02:57:44,989 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 02:57:44,989 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 02:57:44,989 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 02:57:44,990 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([82] L42-->L43: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][26], [50#true, 21#L43true, 39#true, 41#true, 43#true, 27#L34true, 28#L26true, 45#true, 46#true, 14#L54true, 15#L19true]) [2021-08-13 02:57:44,990 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 02:57:44,990 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 02:57:44,990 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 02:57:44,990 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 02:57:44,995 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([83] L42-->thread4FINAL: Formula: (not (< v_x4_6 v_n_8)) InVars {x4=v_x4_6, n=v_n_8} OutVars{x4=v_x4_6, n=v_n_8} AuxVars[] AssignedVars[][25], [17#thread1FINALtrue, 50#true, 6#thread4FINALtrue, 39#true, 41#true, 43#true, 27#L34true, 28#L26true, 45#true, 46#true, 14#L54true]) [2021-08-13 02:57:44,995 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 02:57:44,995 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 02:57:44,995 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 02:57:44,995 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 02:57:44,996 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([82] L42-->L43: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][26], [17#thread1FINALtrue, 50#true, 21#L43true, 39#true, 41#true, 43#true, 27#L34true, 28#L26true, 45#true, 46#true, 14#L54true]) [2021-08-13 02:57:44,996 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 02:57:44,996 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 02:57:44,996 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 02:57:44,996 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 02:57:45,031 INFO L129 PetriNetUnfolder]: 967/1417 cut-off events. [2021-08-13 02:57:45,031 INFO L130 PetriNetUnfolder]: For 211/341 co-relation queries the response was YES. [2021-08-13 02:57:45,035 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3843 conditions, 1417 events. 967/1417 cut-off events. For 211/341 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 6737 event pairs, 99 based on Foata normal form. 3/985 useless extension candidates. Maximal degree in co-relation 3807. Up to 1080 conditions per place. [2021-08-13 02:57:45,045 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 36 selfloop transitions, 9 changer transitions 0/62 dead transitions. [2021-08-13 02:57:45,045 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 62 transitions, 336 flow [2021-08-13 02:57:45,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-13 02:57:45,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-08-13 02:57:45,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 111 transitions. [2021-08-13 02:57:45,049 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8409090909090909 [2021-08-13 02:57:45,049 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 111 transitions. [2021-08-13 02:57:45,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 111 transitions. [2021-08-13 02:57:45,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:57:45,050 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 111 transitions. [2021-08-13 02:57:45,053 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:45,054 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:45,054 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:45,077 INFO L348 CegarLoopForPetriNet]: 36 programPoint places, 5 predicate places. [2021-08-13 02:57:45,078 INFO L482 AbstractCegarLoop]: Abstraction has has 41 places, 62 transitions, 336 flow [2021-08-13 02:57:45,078 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:45,078 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:57:45,078 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] [2021-08-13 02:57:45,078 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-13 02:57:45,078 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 02:57:45,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:57:45,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1852659785, now seen corresponding path program 2 times [2021-08-13 02:57:45,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:57:45,079 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928987130] [2021-08-13 02:57:45,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:57:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:57:45,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:45,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:45,120 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-08-13 02:57:45,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:45,129 INFO L142 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-08-13 02:57:45,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:45,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:45,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:45,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:57:45,131 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:57:45,132 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928987130] [2021-08-13 02:57:45,132 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928987130] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:57:45,132 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:57:45,132 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 02:57:45,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036467192] [2021-08-13 02:57:45,133 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 02:57:45,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:57:45,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 02:57:45,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-13 02:57:45,136 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-08-13 02:57:45,136 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 62 transitions, 336 flow. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:45,136 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:57:45,136 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-08-13 02:57:45,136 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:57:45,224 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([82] L42-->L43: 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], [33#L18true, 50#true, 21#L43true, 39#true, 55#true, 41#true, 27#L34true, 43#true, 28#L26true, 45#true, 46#true, 14#L54true]) [2021-08-13 02:57:45,224 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-08-13 02:57:45,224 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 02:57:45,224 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 02:57:45,225 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 02:57:45,225 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([83] L42-->thread4FINAL: Formula: (not (< v_x4_6 v_n_8)) InVars {x4=v_x4_6, n=v_n_8} OutVars{x4=v_x4_6, n=v_n_8} AuxVars[] AssignedVars[][30], [33#L18true, 50#true, 6#thread4FINALtrue, 39#true, 55#true, 41#true, 27#L34true, 43#true, 28#L26true, 45#true, 14#L54true, 46#true]) [2021-08-13 02:57:45,225 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-08-13 02:57:45,225 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 02:57:45,225 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 02:57:45,225 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 02:57:45,243 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([82] L42-->L43: 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], [50#true, 21#L43true, 55#true, 39#true, 41#true, 27#L34true, 43#true, 28#L26true, 45#true, 46#true, 14#L54true, 15#L19true]) [2021-08-13 02:57:45,244 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 02:57:45,244 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 02:57:45,244 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 02:57:45,244 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 02:57:45,244 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([83] L42-->thread4FINAL: Formula: (not (< v_x4_6 v_n_8)) InVars {x4=v_x4_6, n=v_n_8} OutVars{x4=v_x4_6, n=v_n_8} AuxVars[] AssignedVars[][30], [50#true, 6#thread4FINALtrue, 55#true, 39#true, 41#true, 27#L34true, 43#true, 28#L26true, 45#true, 46#true, 14#L54true, 15#L19true]) [2021-08-13 02:57:45,244 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 02:57:45,244 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 02:57:45,244 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 02:57:45,244 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 02:57:45,250 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([82] L42-->L43: 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], [17#thread1FINALtrue, 50#true, 21#L43true, 39#true, 55#true, 41#true, 27#L34true, 43#true, 28#L26true, 45#true, 14#L54true, 46#true]) [2021-08-13 02:57:45,250 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 02:57:45,250 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 02:57:45,250 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 02:57:45,250 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 02:57:45,250 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([83] L42-->thread4FINAL: Formula: (not (< v_x4_6 v_n_8)) InVars {x4=v_x4_6, n=v_n_8} OutVars{x4=v_x4_6, n=v_n_8} AuxVars[] AssignedVars[][30], [17#thread1FINALtrue, 50#true, 6#thread4FINALtrue, 39#true, 55#true, 41#true, 27#L34true, 43#true, 28#L26true, 45#true, 14#L54true, 46#true]) [2021-08-13 02:57:45,250 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-08-13 02:57:45,250 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 02:57:45,250 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 02:57:45,251 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 02:57:45,277 INFO L129 PetriNetUnfolder]: 836/1265 cut-off events. [2021-08-13 02:57:45,277 INFO L130 PetriNetUnfolder]: For 601/827 co-relation queries the response was YES. [2021-08-13 02:57:45,281 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4327 conditions, 1265 events. 836/1265 cut-off events. For 601/827 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 6147 event pairs, 83 based on Foata normal form. 12/920 useless extension candidates. Maximal degree in co-relation 4287. Up to 948 conditions per place. [2021-08-13 02:57:45,295 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 48 selfloop transitions, 9 changer transitions 0/74 dead transitions. [2021-08-13 02:57:45,295 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 74 transitions, 522 flow [2021-08-13 02:57:45,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-13 02:57:45,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-08-13 02:57:45,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 111 transitions. [2021-08-13 02:57:45,302 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8409090909090909 [2021-08-13 02:57:45,302 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 111 transitions. [2021-08-13 02:57:45,302 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 111 transitions. [2021-08-13 02:57:45,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:57:45,302 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 111 transitions. [2021-08-13 02:57:45,303 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:45,304 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:45,304 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:45,304 INFO L348 CegarLoopForPetriNet]: 36 programPoint places, 8 predicate places. [2021-08-13 02:57:45,305 INFO L482 AbstractCegarLoop]: Abstraction has has 44 places, 74 transitions, 522 flow [2021-08-13 02:57:45,305 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:45,305 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:57:45,305 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] [2021-08-13 02:57:45,305 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-13 02:57:45,305 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 02:57:45,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:57:45,306 INFO L82 PathProgramCache]: Analyzing trace with hash -2077811685, now seen corresponding path program 1 times [2021-08-13 02:57:45,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:57:45,306 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999863421] [2021-08-13 02:57:45,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:57:45,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:57:45,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:45,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:45,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:45,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:45,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:45,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:45,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:57:45,349 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:57:45,349 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999863421] [2021-08-13 02:57:45,349 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999863421] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:57:45,349 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:57:45,349 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 02:57:45,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721670917] [2021-08-13 02:57:45,350 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 02:57:45,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:57:45,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 02:57:45,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-13 02:57:45,351 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-08-13 02:57:45,352 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 74 transitions, 522 flow. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:45,352 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:57:45,352 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-08-13 02:57:45,352 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:57:45,537 INFO L129 PetriNetUnfolder]: 1030/1596 cut-off events. [2021-08-13 02:57:45,537 INFO L130 PetriNetUnfolder]: For 834/1172 co-relation queries the response was YES. [2021-08-13 02:57:45,541 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6532 conditions, 1596 events. 1030/1596 cut-off events. For 834/1172 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 8174 event pairs, 8 based on Foata normal form. 3/1172 useless extension candidates. Maximal degree in co-relation 6480. Up to 1229 conditions per place. [2021-08-13 02:57:45,554 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 96 selfloop transitions, 25 changer transitions 2/142 dead transitions. [2021-08-13 02:57:45,555 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 142 transitions, 1284 flow [2021-08-13 02:57:45,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 02:57:45,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 02:57:45,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 140 transitions. [2021-08-13 02:57:45,557 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8484848484848485 [2021-08-13 02:57:45,558 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 140 transitions. [2021-08-13 02:57:45,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 140 transitions. [2021-08-13 02:57:45,558 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:57:45,558 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 140 transitions. [2021-08-13 02:57:45,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:45,560 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:45,560 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:45,561 INFO L348 CegarLoopForPetriNet]: 36 programPoint places, 12 predicate places. [2021-08-13 02:57:45,561 INFO L482 AbstractCegarLoop]: Abstraction has has 48 places, 142 transitions, 1284 flow [2021-08-13 02:57:45,561 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:45,561 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:57:45,561 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] [2021-08-13 02:57:45,561 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-13 02:57:45,562 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 02:57:45,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:57:45,562 INFO L82 PathProgramCache]: Analyzing trace with hash 870364063, now seen corresponding path program 3 times [2021-08-13 02:57:45,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:57:45,562 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487588180] [2021-08-13 02:57:45,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:57:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:57:45,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:45,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:45,601 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-08-13 02:57:45,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:57:45,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:45,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:57:45,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:45,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:45,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:57:45,618 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:57:45,619 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487588180] [2021-08-13 02:57:45,619 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487588180] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:57:45,619 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:57:45,620 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-13 02:57:45,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398385753] [2021-08-13 02:57:45,621 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 02:57:45,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:57:45,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 02:57:45,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-13 02:57:45,622 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-08-13 02:57:45,622 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 142 transitions, 1284 flow. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:45,622 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:57:45,622 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-08-13 02:57:45,622 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:57:45,867 INFO L129 PetriNetUnfolder]: 1206/1860 cut-off events. [2021-08-13 02:57:45,867 INFO L130 PetriNetUnfolder]: For 1905/2432 co-relation queries the response was YES. [2021-08-13 02:57:45,872 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9014 conditions, 1860 events. 1206/1860 cut-off events. For 1905/2432 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 9798 event pairs, 8 based on Foata normal form. 14/1392 useless extension candidates. Maximal degree in co-relation 8957. Up to 1466 conditions per place. [2021-08-13 02:57:45,891 INFO L132 encePairwiseOnDemand]: 27/33 looper letters, 122 selfloop transitions, 20 changer transitions 2/168 dead transitions. [2021-08-13 02:57:45,891 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 168 transitions, 1830 flow [2021-08-13 02:57:45,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 02:57:45,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 02:57:45,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 138 transitions. [2021-08-13 02:57:45,892 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8363636363636363 [2021-08-13 02:57:45,892 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 138 transitions. [2021-08-13 02:57:45,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 138 transitions. [2021-08-13 02:57:45,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:57:45,893 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 138 transitions. [2021-08-13 02:57:45,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 27.6) internal successors, (138), 5 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:45,894 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:45,895 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:45,895 INFO L348 CegarLoopForPetriNet]: 36 programPoint places, 16 predicate places. [2021-08-13 02:57:45,895 INFO L482 AbstractCegarLoop]: Abstraction has has 52 places, 168 transitions, 1830 flow [2021-08-13 02:57:45,896 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:45,896 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:57:45,896 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] [2021-08-13 02:57:45,896 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-13 02:57:45,896 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 02:57:45,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:57:45,898 INFO L82 PathProgramCache]: Analyzing trace with hash -984825441, now seen corresponding path program 2 times [2021-08-13 02:57:45,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:57:45,898 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566776481] [2021-08-13 02:57:45,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:57:45,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:57:45,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:45,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:45,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:45,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:57:45,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:45,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:45,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:57:45,941 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:57:45,943 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566776481] [2021-08-13 02:57:45,946 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566776481] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:57:45,946 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:57:45,947 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 02:57:45,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203450085] [2021-08-13 02:57:45,947 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 02:57:45,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:57:45,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 02:57:45,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-13 02:57:45,948 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-08-13 02:57:45,948 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 168 transitions, 1830 flow. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:45,948 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:57:45,948 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-08-13 02:57:45,948 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:57:46,154 INFO L129 PetriNetUnfolder]: 1130/1757 cut-off events. [2021-08-13 02:57:46,155 INFO L130 PetriNetUnfolder]: For 1823/2186 co-relation queries the response was YES. [2021-08-13 02:57:46,160 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9822 conditions, 1757 events. 1130/1757 cut-off events. For 1823/2186 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 8858 event pairs, 6 based on Foata normal form. 0/1349 useless extension candidates. Maximal degree in co-relation 9760. Up to 1405 conditions per place. [2021-08-13 02:57:46,182 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 215 selfloop transitions, 40 changer transitions 3/278 dead transitions. [2021-08-13 02:57:46,182 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 278 transitions, 3666 flow [2021-08-13 02:57:46,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 02:57:46,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 02:57:46,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 140 transitions. [2021-08-13 02:57:46,184 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8484848484848485 [2021-08-13 02:57:46,184 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 140 transitions. [2021-08-13 02:57:46,184 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 140 transitions. [2021-08-13 02:57:46,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:57:46,184 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 140 transitions. [2021-08-13 02:57:46,184 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:46,185 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:46,185 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:46,185 INFO L348 CegarLoopForPetriNet]: 36 programPoint places, 20 predicate places. [2021-08-13 02:57:46,185 INFO L482 AbstractCegarLoop]: Abstraction has has 56 places, 278 transitions, 3666 flow [2021-08-13 02:57:46,185 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:46,185 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:57:46,186 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] [2021-08-13 02:57:46,186 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-13 02:57:46,186 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 02:57:46,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:57:46,186 INFO L82 PathProgramCache]: Analyzing trace with hash 1418745767, now seen corresponding path program 1 times [2021-08-13 02:57:46,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:57:46,187 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563930746] [2021-08-13 02:57:46,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:57:46,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:57:46,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:46,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:46,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:46,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:57:46,218 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:57:46,218 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563930746] [2021-08-13 02:57:46,218 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563930746] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:57:46,218 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:57:46,218 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 02:57:46,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813570910] [2021-08-13 02:57:46,219 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 02:57:46,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:57:46,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 02:57:46,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-13 02:57:46,220 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-08-13 02:57:46,220 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 278 transitions, 3666 flow. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:46,220 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:57:46,220 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-08-13 02:57:46,220 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:57:46,477 INFO L129 PetriNetUnfolder]: 1171/1843 cut-off events. [2021-08-13 02:57:46,477 INFO L130 PetriNetUnfolder]: For 2168/2801 co-relation queries the response was YES. [2021-08-13 02:57:46,481 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11568 conditions, 1843 events. 1171/1843 cut-off events. For 2168/2801 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 9561 event pairs, 5 based on Foata normal form. 0/1438 useless extension candidates. Maximal degree in co-relation 11501. Up to 1484 conditions per place. [2021-08-13 02:57:46,499 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 274 selfloop transitions, 36 changer transitions 8/338 dead transitions. [2021-08-13 02:57:46,499 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 338 transitions, 5124 flow [2021-08-13 02:57:46,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 02:57:46,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 02:57:46,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 139 transitions. [2021-08-13 02:57:46,501 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8424242424242424 [2021-08-13 02:57:46,501 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 139 transitions. [2021-08-13 02:57:46,501 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 139 transitions. [2021-08-13 02:57:46,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:57:46,501 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 139 transitions. [2021-08-13 02:57:46,501 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 27.8) internal successors, (139), 5 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:46,502 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:46,502 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:46,502 INFO L348 CegarLoopForPetriNet]: 36 programPoint places, 24 predicate places. [2021-08-13 02:57:46,502 INFO L482 AbstractCegarLoop]: Abstraction has has 60 places, 338 transitions, 5124 flow [2021-08-13 02:57:46,502 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:46,502 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:57:46,503 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] [2021-08-13 02:57:46,503 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-13 02:57:46,503 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 02:57:46,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:57:46,503 INFO L82 PathProgramCache]: Analyzing trace with hash 37694111, now seen corresponding path program 2 times [2021-08-13 02:57:46,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:57:46,503 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917217892] [2021-08-13 02:57:46,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:57:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:57:46,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:46,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:57:46,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:46,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:57:46,524 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:57:46,524 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917217892] [2021-08-13 02:57:46,524 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917217892] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:57:46,524 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:57:46,524 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 02:57:46,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673518599] [2021-08-13 02:57:46,524 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 02:57:46,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:57:46,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 02:57:46,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-13 02:57:46,525 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-08-13 02:57:46,525 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 338 transitions, 5124 flow. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:46,526 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:57:46,526 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-08-13 02:57:46,526 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:57:46,789 INFO L129 PetriNetUnfolder]: 1317/2037 cut-off events. [2021-08-13 02:57:46,789 INFO L130 PetriNetUnfolder]: For 2967/3870 co-relation queries the response was YES. [2021-08-13 02:57:46,795 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14552 conditions, 2037 events. 1317/2037 cut-off events. For 2967/3870 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 10117 event pairs, 5 based on Foata normal form. 0/1606 useless extension candidates. Maximal degree in co-relation 14480. Up to 1702 conditions per place. [2021-08-13 02:57:46,816 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 340 selfloop transitions, 40 changer transitions 8/408 dead transitions. [2021-08-13 02:57:46,817 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 408 transitions, 7020 flow [2021-08-13 02:57:46,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 02:57:46,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 02:57:46,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 139 transitions. [2021-08-13 02:57:46,818 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8424242424242424 [2021-08-13 02:57:46,818 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 139 transitions. [2021-08-13 02:57:46,818 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 139 transitions. [2021-08-13 02:57:46,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:57:46,818 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 139 transitions. [2021-08-13 02:57:46,819 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 27.8) internal successors, (139), 5 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:46,819 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:46,819 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:46,819 INFO L348 CegarLoopForPetriNet]: 36 programPoint places, 28 predicate places. [2021-08-13 02:57:46,820 INFO L482 AbstractCegarLoop]: Abstraction has has 64 places, 408 transitions, 7020 flow [2021-08-13 02:57:46,820 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:46,820 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:57:46,820 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] [2021-08-13 02:57:46,820 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-13 02:57:46,820 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 02:57:46,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:57:46,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1326928681, now seen corresponding path program 1 times [2021-08-13 02:57:46,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:57:46,821 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466662886] [2021-08-13 02:57:46,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:57:46,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:57:46,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:46,835 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-08-13 02:57:46,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:57:46,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:57:46,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:46,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:57:46,846 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:57:46,847 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466662886] [2021-08-13 02:57:46,847 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466662886] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 02:57:46,847 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893424495] [2021-08-13 02:57:46,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 02:57:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:57:46,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-13 02:57:46,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 02:57:46,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:46,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:46,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:46,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:46,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:46,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:46,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:46,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:46,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:46,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:46,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:46,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:46,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:46,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,940 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 02:57:46,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:46,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 02:57:46,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:46,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:46,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:57:46,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:57:46,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:57:46,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:57:46,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:57:46,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:57:46,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:57:46,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:57:46,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:57:46,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:57:46,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:57:46,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:57:46,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:57:46,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:57:46,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:57:46,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:57:46,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:57:46,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:57:46,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:57:46,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:57:46,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:57:46,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:57:46,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:57:46,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:57:46,986 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-08-13 02:57:46,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:46,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:46,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:46,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:46,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:46,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:46,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:46,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:46,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:46,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:46,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:46,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:46,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:46,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:46,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:46,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:46,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:46,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:46,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:46,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:46,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:46,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:46,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:46,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:47,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:47,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:47,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:47,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:47,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:47,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:47,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:47,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:47,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:57:47,007 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [893424495] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 02:57:47,007 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 02:57:47,007 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 5 [2021-08-13 02:57:47,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298175247] [2021-08-13 02:57:47,007 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-13 02:57:47,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:57:47,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-13 02:57:47,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-08-13 02:57:47,009 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-08-13 02:57:47,009 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 408 transitions, 7020 flow. Second operand has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 6 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:47,009 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:57:47,010 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-08-13 02:57:47,010 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:57:47,429 INFO L129 PetriNetUnfolder]: 1579/2428 cut-off events. [2021-08-13 02:57:47,429 INFO L130 PetriNetUnfolder]: For 6055/8410 co-relation queries the response was YES. [2021-08-13 02:57:47,438 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19282 conditions, 2428 events. 1579/2428 cut-off events. For 6055/8410 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 12384 event pairs, 12 based on Foata normal form. 56/1987 useless extension candidates. Maximal degree in co-relation 19205. Up to 2068 conditions per place. [2021-08-13 02:57:47,465 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 461 selfloop transitions, 88 changer transitions 8/584 dead transitions. [2021-08-13 02:57:47,466 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 584 transitions, 11286 flow [2021-08-13 02:57:47,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-13 02:57:47,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-08-13 02:57:47,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 165 transitions. [2021-08-13 02:57:47,467 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8333333333333334 [2021-08-13 02:57:47,467 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 165 transitions. [2021-08-13 02:57:47,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 165 transitions. [2021-08-13 02:57:47,467 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:57:47,467 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 165 transitions. [2021-08-13 02:57:47,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 27.5) internal successors, (165), 6 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:47,468 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 33.0) internal successors, (231), 7 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:47,469 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 33.0) internal successors, (231), 7 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:47,469 INFO L348 CegarLoopForPetriNet]: 36 programPoint places, 33 predicate places. [2021-08-13 02:57:47,469 INFO L482 AbstractCegarLoop]: Abstraction has has 69 places, 584 transitions, 11286 flow [2021-08-13 02:57:47,469 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 6 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:47,469 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:57:47,469 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] [2021-08-13 02:57:47,685 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-08-13 02:57:47,685 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 02:57:47,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:57:47,685 INFO L82 PathProgramCache]: Analyzing trace with hash 1174573771, now seen corresponding path program 1 times [2021-08-13 02:57:47,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:57:47,685 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460031953] [2021-08-13 02:57:47,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:57:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:57:47,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:47,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:57:47,749 INFO L142 QuantifierPusher]: treesize reduction 11, result has 52.2 percent of original size [2021-08-13 02:57:47,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 02:57:47,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:47,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-13 02:57:47,755 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:57:47,757 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460031953] [2021-08-13 02:57:47,757 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460031953] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 02:57:47,757 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197331191] [2021-08-13 02:57:47,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 02:57:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:57:47,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-13 02:57:47,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 02:57:47,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:47,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:47,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:47,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:47,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:47,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:47,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:47,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:47,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:47,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:47,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:47,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:47,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:47,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:47,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:47,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:47,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:47,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:47,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:47,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:47,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:47,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:47,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:47,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:47,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:47,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:47,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:47,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:47,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:47,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:47,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:47,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:47,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:47,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:47,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:47,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:47,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:57:47,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:57:47,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:57:47,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:57:47,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:47,972 INFO L142 QuantifierPusher]: treesize reduction 5, result has 84.4 percent of original size [2021-08-13 02:57:47,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:47,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:47,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 02:57:48,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:48,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-08-13 02:57:48,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-13 02:57:48,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:48,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:48,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:48,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:48,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:57:48,010 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1197331191] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 02:57:48,010 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 02:57:48,011 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4] total 4 [2021-08-13 02:57:48,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900735644] [2021-08-13 02:57:48,011 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 02:57:48,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:57:48,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 02:57:48,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-13 02:57:48,012 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 33 [2021-08-13 02:57:48,012 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 584 transitions, 11286 flow. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:48,012 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:57:48,012 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 33 [2021-08-13 02:57:48,012 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:57:48,692 INFO L129 PetriNetUnfolder]: 2038/3144 cut-off events. [2021-08-13 02:57:48,692 INFO L130 PetriNetUnfolder]: For 7367/9061 co-relation queries the response was YES. [2021-08-13 02:57:48,702 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27688 conditions, 3144 events. 2038/3144 cut-off events. For 7367/9061 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 16808 event pairs, 12 based on Foata normal form. 36/2540 useless extension candidates. Maximal degree in co-relation 27590. Up to 2710 conditions per place. [2021-08-13 02:57:48,738 INFO L132 encePairwiseOnDemand]: 27/33 looper letters, 818 selfloop transitions, 26 changer transitions 14/871 dead transitions. [2021-08-13 02:57:48,738 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 871 transitions, 18574 flow [2021-08-13 02:57:48,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 02:57:48,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 02:57:48,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 142 transitions. [2021-08-13 02:57:48,739 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8606060606060606 [2021-08-13 02:57:48,739 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 142 transitions. [2021-08-13 02:57:48,739 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 142 transitions. [2021-08-13 02:57:48,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:57:48,740 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 142 transitions. [2021-08-13 02:57:48,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 28.4) internal successors, (142), 5 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:48,741 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:48,741 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:48,742 INFO L348 CegarLoopForPetriNet]: 36 programPoint places, 37 predicate places. [2021-08-13 02:57:48,742 INFO L482 AbstractCegarLoop]: Abstraction has has 73 places, 871 transitions, 18574 flow [2021-08-13 02:57:48,742 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:48,742 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:57:48,742 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] [2021-08-13 02:57:48,965 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-08-13 02:57:48,966 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 02:57:48,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:57:48,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1366605365, now seen corresponding path program 1 times [2021-08-13 02:57:48,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:57:48,966 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629556727] [2021-08-13 02:57:48,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:57:48,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:57:48,993 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-08-13 02:57:48,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:48,999 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 02:57:48,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:57:49,073 INFO L142 QuantifierPusher]: treesize reduction 15, result has 44.4 percent of original size [2021-08-13 02:57:49,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 02:57:49,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:49,080 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-13 02:57:49,080 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:57:49,080 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629556727] [2021-08-13 02:57:49,080 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629556727] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 02:57:49,080 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914929174] [2021-08-13 02:57:49,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 02:57:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:57:49,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-13 02:57:49,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 02:57:49,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:49,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:49,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:49,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:49,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:49,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:49,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:49,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:49,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:49,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:49,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:49,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:49,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:49,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:49,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:49,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:49,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:49,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:49,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:49,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:49,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:49,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:49,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:49,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:49,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:49,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:49,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:49,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:49,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:49,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:49,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:49,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:49,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:49,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:49,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:49,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:49,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:57:49,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:57:49,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:57:49,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:57:49,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:57:49,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:57:49,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:57:49,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:57:49,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:49,240 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size [2021-08-13 02:57:49,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 02:57:49,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 02:57:49,251 INFO L142 QuantifierPusher]: treesize reduction -2, result has 109.5 percent of original size [2021-08-13 02:57:49,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:49,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 02:57:49,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:49,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:49,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:49,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:57:49,259 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [914929174] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 02:57:49,259 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 02:57:49,259 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4] total 4 [2021-08-13 02:57:49,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699843461] [2021-08-13 02:57:49,260 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 02:57:49,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:57:49,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 02:57:49,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-13 02:57:49,261 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 33 [2021-08-13 02:57:49,261 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 871 transitions, 18574 flow. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:49,261 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:57:49,261 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 33 [2021-08-13 02:57:49,261 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:57:50,229 INFO L129 PetriNetUnfolder]: 2461/3858 cut-off events. [2021-08-13 02:57:50,229 INFO L130 PetriNetUnfolder]: For 8110/9169 co-relation queries the response was YES. [2021-08-13 02:57:50,240 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36928 conditions, 3858 events. 2461/3858 cut-off events. For 8110/9169 co-relation queries the response was YES. Maximal size of possible extension queue 297. Compared 22477 event pairs, 7 based on Foata normal form. 17/3098 useless extension candidates. Maximal degree in co-relation 36807. Up to 3295 conditions per place. [2021-08-13 02:57:50,292 INFO L132 encePairwiseOnDemand]: 27/33 looper letters, 974 selfloop transitions, 19 changer transitions 14/1020 dead transitions. [2021-08-13 02:57:50,292 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 1020 transitions, 23754 flow [2021-08-13 02:57:50,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 02:57:50,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 02:57:50,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 142 transitions. [2021-08-13 02:57:50,293 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8606060606060606 [2021-08-13 02:57:50,293 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 142 transitions. [2021-08-13 02:57:50,293 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 142 transitions. [2021-08-13 02:57:50,294 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:57:50,294 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 142 transitions. [2021-08-13 02:57:50,294 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 28.4) internal successors, (142), 5 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:50,295 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:50,295 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:50,295 INFO L348 CegarLoopForPetriNet]: 36 programPoint places, 41 predicate places. [2021-08-13 02:57:50,295 INFO L482 AbstractCegarLoop]: Abstraction has has 77 places, 1020 transitions, 23754 flow [2021-08-13 02:57:50,295 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:50,295 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:57:50,295 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] [2021-08-13 02:57:50,519 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-08-13 02:57:50,519 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 02:57:50,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:57:50,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1475246393, now seen corresponding path program 2 times [2021-08-13 02:57:50,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:57:50,520 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977683139] [2021-08-13 02:57:50,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:57:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:57:50,552 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-08-13 02:57:50,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:50,562 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 02:57:50,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:57:50,570 INFO L142 QuantifierPusher]: treesize reduction 15, result has 44.4 percent of original size [2021-08-13 02:57:50,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 02:57:50,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:50,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:50,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-13 02:57:50,575 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:57:50,575 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977683139] [2021-08-13 02:57:50,575 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977683139] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 02:57:50,576 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 02:57:50,576 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 02:57:50,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894294562] [2021-08-13 02:57:50,576 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 02:57:50,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:57:50,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 02:57:50,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-13 02:57:50,577 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 33 [2021-08-13 02:57:50,577 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 1020 transitions, 23754 flow. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:50,577 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:57:50,577 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 33 [2021-08-13 02:57:50,577 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:57:51,774 INFO L129 PetriNetUnfolder]: 2884/4519 cut-off events. [2021-08-13 02:57:51,774 INFO L130 PetriNetUnfolder]: For 10071/13409 co-relation queries the response was YES. [2021-08-13 02:57:51,788 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47248 conditions, 4519 events. 2884/4519 cut-off events. For 10071/13409 co-relation queries the response was YES. Maximal size of possible extension queue 390. Compared 27507 event pairs, 7 based on Foata normal form. 93/3698 useless extension candidates. Maximal degree in co-relation 47102. Up to 3880 conditions per place. [2021-08-13 02:57:51,844 INFO L132 encePairwiseOnDemand]: 27/33 looper letters, 1126 selfloop transitions, 19 changer transitions 14/1172 dead transitions. [2021-08-13 02:57:51,845 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 1172 transitions, 29608 flow [2021-08-13 02:57:51,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-13 02:57:51,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-08-13 02:57:51,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 112 transitions. [2021-08-13 02:57:51,846 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8484848484848485 [2021-08-13 02:57:51,846 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 112 transitions. [2021-08-13 02:57:51,846 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 112 transitions. [2021-08-13 02:57:51,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:57:51,846 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 112 transitions. [2021-08-13 02:57:51,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:51,847 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:51,847 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:51,847 INFO L348 CegarLoopForPetriNet]: 36 programPoint places, 44 predicate places. [2021-08-13 02:57:51,847 INFO L482 AbstractCegarLoop]: Abstraction has has 80 places, 1172 transitions, 29608 flow [2021-08-13 02:57:51,847 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:51,847 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:57:51,848 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] [2021-08-13 02:57:51,848 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-13 02:57:51,848 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 02:57:51,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:57:51,848 INFO L82 PathProgramCache]: Analyzing trace with hash 811813015, now seen corresponding path program 2 times [2021-08-13 02:57:51,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:57:51,849 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394143436] [2021-08-13 02:57:51,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:57:51,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:57:51,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:57:51,897 INFO L142 QuantifierPusher]: treesize reduction 11, result has 52.2 percent of original size [2021-08-13 02:57:51,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 02:57:51,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:51,900 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-13 02:57:51,900 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:57:51,900 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394143436] [2021-08-13 02:57:51,900 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394143436] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 02:57:51,900 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544464568] [2021-08-13 02:57:51,900 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 02:57:51,938 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-13 02:57:51,938 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 02:57:51,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-13 02:57:51,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 02:57:51,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:51,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:51,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:51,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:51,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:51,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:51,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:51,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:51,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:51,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:57:51,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:57:51,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:57:51,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:57:51,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:51,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:51,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:51,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:51,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:52,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:52,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:52,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:52,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:52,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:52,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:52,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:52,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:52,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:52,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:52,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:52,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:52,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:52,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:52,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:52,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:52,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:52,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:52,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:52,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:52,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:52,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:52,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:52,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:52,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:52,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:52,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:52,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:52,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:52,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:52,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:52,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:52,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:52,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:52,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:52,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:52,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:52,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:52,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:52,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:52,025 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size [2021-08-13 02:57:52,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-13 02:57:52,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:52,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 02:57:52,036 INFO L142 QuantifierPusher]: treesize reduction -2, result has 109.5 percent of original size [2021-08-13 02:57:52,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 02:57:52,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-13 02:57:52,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:52,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:52,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:52,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:52,041 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:57:52,041 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1544464568] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 02:57:52,041 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 02:57:52,041 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4] total 4 [2021-08-13 02:57:52,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461918273] [2021-08-13 02:57:52,043 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 02:57:52,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:57:52,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 02:57:52,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-13 02:57:52,044 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 33 [2021-08-13 02:57:52,044 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 1172 transitions, 29608 flow. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:52,044 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:57:52,044 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 33 [2021-08-13 02:57:52,044 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:57:53,530 INFO L129 PetriNetUnfolder]: 3343/5237 cut-off events. [2021-08-13 02:57:53,530 INFO L130 PetriNetUnfolder]: For 11130/12857 co-relation queries the response was YES. [2021-08-13 02:57:53,548 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59394 conditions, 5237 events. 3343/5237 cut-off events. For 11130/12857 co-relation queries the response was YES. Maximal size of possible extension queue 445. Compared 32576 event pairs, 7 based on Foata normal form. 34/4214 useless extension candidates. Maximal degree in co-relation 59221. Up to 4522 conditions per place. [2021-08-13 02:57:53,639 INFO L132 encePairwiseOnDemand]: 27/33 looper letters, 1400 selfloop transitions, 26 changer transitions 20/1459 dead transitions. [2021-08-13 02:57:53,640 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 1459 transitions, 39794 flow [2021-08-13 02:57:53,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 02:57:53,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 02:57:53,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 142 transitions. [2021-08-13 02:57:53,641 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8606060606060606 [2021-08-13 02:57:53,641 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 142 transitions. [2021-08-13 02:57:53,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 142 transitions. [2021-08-13 02:57:53,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:57:53,641 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 142 transitions. [2021-08-13 02:57:53,642 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 28.4) internal successors, (142), 5 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:53,642 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:53,642 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 33.0) internal successors, (198), 6 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:53,643 INFO L348 CegarLoopForPetriNet]: 36 programPoint places, 48 predicate places. [2021-08-13 02:57:53,643 INFO L482 AbstractCegarLoop]: Abstraction has has 84 places, 1459 transitions, 39794 flow [2021-08-13 02:57:53,643 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:53,643 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:57:53,643 INFO L266 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:57:53,856 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 02:57:53,857 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 02:57:53,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:57:53,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1920994471, now seen corresponding path program 3 times [2021-08-13 02:57:53,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:57:53,858 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675467262] [2021-08-13 02:57:53,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:57:53,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:57:53,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:53,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:57:53,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:53,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:57:53,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:53,890 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:57:53,890 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:57:53,890 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675467262] [2021-08-13 02:57:53,890 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675467262] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 02:57:53,890 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82463382] [2021-08-13 02:57:53,890 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 02:57:53,924 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-13 02:57:53,924 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 02:57:53,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-13 02:57:53,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 02:57:53,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:53,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:53,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:53,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:53,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:53,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:53,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:53,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:53,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:53,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:53,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:53,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:53,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:53,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:53,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:53,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:53,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:53,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:53,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:53,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:53,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:53,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:53,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:53,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:53,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:53,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:53,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:53,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:53,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:53,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:53,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:53,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:53,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:53,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:53,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:53,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:53,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 02:57:53,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:57:53,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:53,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 02:57:53,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:57:53,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:53,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:57:53,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:57:53,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:57:53,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 02:57:53,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:57:53,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:53,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:57:53,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:57:53,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:53,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:53,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:53,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:53,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:53,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:53,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:53,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:53,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 02:57:53,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 02:57:53,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:57:53,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 02:57:53,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 02:57:53,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:57:53,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:53,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:53,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:53,999 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.8 percent of original size [2021-08-13 02:57:53,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 02:57:54,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:54,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 02:57:54,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:54,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:54,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 02:57:54,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:54,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:54,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:54,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:54,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:54,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:54,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:54,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:54,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:54,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:54,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:54,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:54,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:54,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:54,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:54,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:54,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:54,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:54,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:54,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:54,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:54,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:54,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:54,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:54,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:54,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:54,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:54,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:54,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:54,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:54,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:54,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:54,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:54,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:54,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:54,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:54,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:54,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:54,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:54,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:54,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:54,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:54,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:54,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:54,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:54,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:54,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:54,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:54,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:54,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:54,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:54,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:54,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:54,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:54,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:54,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:54,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:54,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:54,030 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:57:54,030 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [82463382] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 02:57:54,030 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 02:57:54,030 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-08-13 02:57:54,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299362460] [2021-08-13 02:57:54,031 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-08-13 02:57:54,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:57:54,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-13 02:57:54,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-08-13 02:57:54,033 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-08-13 02:57:54,033 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 1459 transitions, 39794 flow. Second operand has 8 states, 8 states have (on average 22.5) internal successors, (180), 8 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:54,033 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:57:54,033 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-08-13 02:57:54,034 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:57:57,927 INFO L129 PetriNetUnfolder]: 6374/10003 cut-off events. [2021-08-13 02:57:57,927 INFO L130 PetriNetUnfolder]: For 28296/34034 co-relation queries the response was YES. [2021-08-13 02:57:57,961 INFO L84 FinitePrefix]: Finished finitePrefix Result has 119791 conditions, 10003 events. 6374/10003 cut-off events. For 28296/34034 co-relation queries the response was YES. Maximal size of possible extension queue 639. Compared 66441 event pairs, 22 based on Foata normal form. 224/8333 useless extension candidates. Maximal degree in co-relation 119537. Up to 8717 conditions per place. [2021-08-13 02:57:58,104 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 2483 selfloop transitions, 510 changer transitions 20/3082 dead transitions. [2021-08-13 02:57:58,104 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 3082 transitions, 90936 flow [2021-08-13 02:57:58,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-13 02:57:58,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-08-13 02:57:58,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 537 transitions. [2021-08-13 02:57:58,109 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8564593301435407 [2021-08-13 02:57:58,110 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 537 transitions. [2021-08-13 02:57:58,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 537 transitions. [2021-08-13 02:57:58,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:57:58,110 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 537 transitions. [2021-08-13 02:57:58,111 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 28.263157894736842) internal successors, (537), 19 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:58,112 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 33.0) internal successors, (660), 20 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:58,112 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 33.0) internal successors, (660), 20 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:58,112 INFO L348 CegarLoopForPetriNet]: 36 programPoint places, 66 predicate places. [2021-08-13 02:57:58,112 INFO L482 AbstractCegarLoop]: Abstraction has has 102 places, 3082 transitions, 90936 flow [2021-08-13 02:57:58,112 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 22.5) internal successors, (180), 8 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:58,112 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:57:58,112 INFO L266 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:57:58,330 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-08-13 02:57:58,330 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 02:57:58,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:57:58,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1369618359, now seen corresponding path program 4 times [2021-08-13 02:57:58,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:57:58,331 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812744692] [2021-08-13 02:57:58,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:57:58,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:57:58,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:57:58,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:57:58,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:58,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:58,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:58,359 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:57:58,359 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:57:58,359 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812744692] [2021-08-13 02:57:58,359 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812744692] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 02:57:58,359 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710984823] [2021-08-13 02:57:58,360 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 02:57:58,390 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-13 02:57:58,390 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 02:57:58,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-13 02:57:58,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 02:57:58,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:58,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:58,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:58,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:58,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:58,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:58,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:58,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:58,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:58,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:58,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:58,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:58,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:58,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:58,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:58,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:58,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:58,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:58,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:58,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:58,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:58,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:58,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:58,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:58,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:58,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:58,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:58,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:58,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:58,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:58,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:58,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:58,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:58,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:58,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:58,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:57:58,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 02:57:58,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:57:58,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:58,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 02:57:58,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:57:58,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:57:58,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-08-13 02:57:58,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-08-13 02:57:58,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 02:57:58,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 02:57:58,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 02:57:58,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 02:57:58,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 02:57:58,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 02:57:58,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 02:57:58,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 02:57:58,441 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-08-13 02:57:58,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 02:57:58,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 02:57:58,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 02:57:58,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-13 02:57:58,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 02:57:58,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 02:57:58,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 02:57:58,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 02:57:58,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 02:57:58,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:57:58,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:58,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:58,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:58,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:58,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:58,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:58,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:58,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:58,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:58,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:58,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:58,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:58,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:58,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:58,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:58,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:58,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:58,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:58,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:58,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:58,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:58,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:58,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:58,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:58,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:58,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:58,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:58,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:58,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:58,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:58,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:58,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:58,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:58,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:58,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:57:58,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:57:58,561 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:57:58,561 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710984823] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 02:57:58,561 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 02:57:58,561 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-08-13 02:57:58,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91814406] [2021-08-13 02:57:58,562 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-08-13 02:57:58,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:57:58,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-13 02:57:58,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-13 02:57:58,563 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-08-13 02:57:58,563 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 3082 transitions, 90936 flow. Second operand has 8 states, 8 states have (on average 22.625) internal successors, (181), 8 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:57:58,563 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:57:58,563 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-08-13 02:57:58,563 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:58:09,866 INFO L129 PetriNetUnfolder]: 8594/13615 cut-off events. [2021-08-13 02:58:09,866 INFO L130 PetriNetUnfolder]: For 46470/47765 co-relation queries the response was YES. [2021-08-13 02:58:09,898 INFO L84 FinitePrefix]: Finished finitePrefix Result has 172210 conditions, 13615 events. 8594/13615 cut-off events. For 46470/47765 co-relation queries the response was YES. Maximal size of possible extension queue 899. Compared 97246 event pairs, 18 based on Foata normal form. 42/11032 useless extension candidates. Maximal degree in co-relation 171789. Up to 11848 conditions per place. [2021-08-13 02:58:10,068 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 3951 selfloop transitions, 533 changer transitions 28/4581 dead transitions. [2021-08-13 02:58:10,069 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 4581 transitions, 144682 flow [2021-08-13 02:58:10,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-13 02:58:10,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-08-13 02:58:10,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 335 transitions. [2021-08-13 02:58:10,070 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8459595959595959 [2021-08-13 02:58:10,070 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 335 transitions. [2021-08-13 02:58:10,070 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 335 transitions. [2021-08-13 02:58:10,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:58:10,071 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 335 transitions. [2021-08-13 02:58:10,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 27.916666666666668) internal successors, (335), 12 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:58:10,073 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 33.0) internal successors, (429), 13 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:58:10,073 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 33.0) internal successors, (429), 13 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:58:10,073 INFO L348 CegarLoopForPetriNet]: 36 programPoint places, 77 predicate places. [2021-08-13 02:58:10,073 INFO L482 AbstractCegarLoop]: Abstraction has has 113 places, 4581 transitions, 144682 flow [2021-08-13 02:58:10,073 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 22.625) internal successors, (181), 8 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:58:10,073 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:58:10,073 INFO L266 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:58:10,288 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 02:58:10,289 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 02:58:10,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:58:10,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1824048821, now seen corresponding path program 3 times [2021-08-13 02:58:10,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:58:10,289 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496524475] [2021-08-13 02:58:10,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:58:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:58:10,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:58:10,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:58:10,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:58:10,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:58:10,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:58:10,314 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:58:10,314 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:58:10,314 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496524475] [2021-08-13 02:58:10,314 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496524475] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 02:58:10,314 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312725482] [2021-08-13 02:58:10,314 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 02:58:10,348 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-13 02:58:10,349 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 02:58:10,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-13 02:58:10,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 02:58:10,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:58:10,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:58:10,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:58:10,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:58:10,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:58:10,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:58:10,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:58:10,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:58:10,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:58:10,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:58:10,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:58:10,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:58:10,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:58:10,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:58:10,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:58:10,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:58:10,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:58:10,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:58:10,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:58:10,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:58:10,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:58:10,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:58:10,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:58:10,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:58:10,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:58:10,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:58:10,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:58:10,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:58:10,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:58:10,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:58:10,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:58:10,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:58:10,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:58:10,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:58:10,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:58:10,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:58:10,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 02:58:10,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:58:10,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:58:10,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 02:58:10,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:58:10,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:58:10,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:58:10,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:58:10,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:58:10,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,383 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 02:58:10,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:58:10,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:58:10,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:58:10,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:58:10,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:58:10,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:58:10,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:58:10,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:58:10,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:58:10,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:58:10,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:58:10,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 02:58:10,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 02:58:10,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 02:58:10,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:58:10,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 02:58:10,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 02:58:10,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 02:58:10,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:58:10,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:58:10,409 INFO L142 QuantifierPusher]: treesize reduction 1, result has 93.8 percent of original size [2021-08-13 02:58:10,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-08-13 02:58:10,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 02:58:10,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:58:10,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 02:58:10,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:58:10,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:58:10,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:58:10,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:58:10,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:58:10,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:58:10,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:58:10,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:58:10,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:58:10,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:58:10,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:58:10,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:58:10,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:58:10,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:58:10,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:58:10,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:58:10,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:58:10,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:58:10,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:58:10,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:58:10,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:58:10,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:58:10,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:58:10,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:58:10,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:58:10,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:58:10,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:58:10,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:58:10,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:58:10,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:58:10,435 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:58:10,436 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312725482] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 02:58:10,436 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 02:58:10,436 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-08-13 02:58:10,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809828164] [2021-08-13 02:58:10,436 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-08-13 02:58:10,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:58:10,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-13 02:58:10,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-13 02:58:10,437 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-08-13 02:58:10,437 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 4581 transitions, 144682 flow. Second operand has 7 states, 7 states have (on average 22.0) internal successors, (154), 7 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:58:10,437 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:58:10,437 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-08-13 02:58:10,437 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 02:59:01,488 INFO L129 PetriNetUnfolder]: 23767/36434 cut-off events. [2021-08-13 02:59:01,489 INFO L130 PetriNetUnfolder]: For 136712/139301 co-relation queries the response was YES. [2021-08-13 02:59:01,619 INFO L84 FinitePrefix]: Finished finitePrefix Result has 495306 conditions, 36434 events. 23767/36434 cut-off events. For 136712/139301 co-relation queries the response was YES. Maximal size of possible extension queue 1577. Compared 268909 event pairs, 105 based on Foata normal form. 53/29650 useless extension candidates. Maximal degree in co-relation 494364. Up to 32919 conditions per place. [2021-08-13 02:59:02,131 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 11746 selfloop transitions, 2170 changer transitions 28/14066 dead transitions. [2021-08-13 02:59:02,131 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 14066 transitions, 475502 flow [2021-08-13 02:59:02,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-13 02:59:02,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-08-13 02:59:02,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 480 transitions. [2021-08-13 02:59:02,133 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8556149732620321 [2021-08-13 02:59:02,133 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 480 transitions. [2021-08-13 02:59:02,133 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 480 transitions. [2021-08-13 02:59:02,133 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 02:59:02,133 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 480 transitions. [2021-08-13 02:59:02,134 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 28.235294117647058) internal successors, (480), 17 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:02,135 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 33.0) internal successors, (594), 18 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:02,135 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 33.0) internal successors, (594), 18 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:02,135 INFO L348 CegarLoopForPetriNet]: 36 programPoint places, 93 predicate places. [2021-08-13 02:59:02,135 INFO L482 AbstractCegarLoop]: Abstraction has has 129 places, 14066 transitions, 475502 flow [2021-08-13 02:59:02,135 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 22.0) internal successors, (154), 7 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:02,135 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 02:59:02,136 INFO L266 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 02:59:02,340 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-08-13 02:59:02,340 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 02:59:02,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 02:59:02,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1468871839, now seen corresponding path program 4 times [2021-08-13 02:59:02,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 02:59:02,341 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483276186] [2021-08-13 02:59:02,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 02:59:02,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 02:59:02,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:02,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:02,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:02,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:02,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:02,371 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:59:02,371 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 02:59:02,371 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483276186] [2021-08-13 02:59:02,371 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483276186] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 02:59:02,371 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1654145552] [2021-08-13 02:59:02,371 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 02:59:02,402 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-13 02:59:02,402 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 02:59:02,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-13 02:59:02,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 02:59:02,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:02,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:02,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:02,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:02,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:02,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:02,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:02,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:02,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:02,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:02,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:02,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:02,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:02,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:02,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:02,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:02,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:02,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:02,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:02,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:02,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:02,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:02,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:02,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:02,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:02,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:02,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:02,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:02,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:02,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:02,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:02,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:02,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:02,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:02,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:02,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 02:59:02,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 02:59:02,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:59:02,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:59:02,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 02:59:02,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:59:02,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:59:02,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-08-13 02:59:02,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-08-13 02:59:02,431 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-08-13 02:59:02,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:59:02,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 02:59:02,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 02:59:02,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 02:59:02,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:02,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 02:59:02,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 02:59:02,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 02:59:02,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 02:59:02,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 02:59:02,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 02:59:02,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 02:59:02,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 02:59:02,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 02:59:02,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 02:59:02,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 02:59:02,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-08-13 02:59:02,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 02:59:02,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:02,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:02,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:02,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:02,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:02,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:02,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:02,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:02,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:02,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:02,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:02,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:02,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:02,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:02,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:02,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:02,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:02,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:02,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:02,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:02,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:02,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:02,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:02,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:02,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:02,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:02,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:02,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:02,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:02,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:02,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:02,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:02,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:02,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:02,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 02:59:02,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 02:59:02,477 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 02:59:02,477 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1654145552] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 02:59:02,477 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 02:59:02,477 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-08-13 02:59:02,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053054381] [2021-08-13 02:59:02,477 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-08-13 02:59:02,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 02:59:02,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-13 02:59:02,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-13 02:59:02,478 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-08-13 02:59:02,478 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 14066 transitions, 475502 flow. Second operand has 7 states, 7 states have (on average 22.0) internal successors, (154), 7 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 02:59:02,478 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 02:59:02,478 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-08-13 02:59:02,479 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 03:06:06,483 INFO L129 PetriNetUnfolder]: 30300/47077 cut-off events. [2021-08-13 03:06:06,495 INFO L130 PetriNetUnfolder]: For 192903/194317 co-relation queries the response was YES. [2021-08-13 03:06:06,668 INFO L84 FinitePrefix]: Finished finitePrefix Result has 670662 conditions, 47077 events. 30300/47077 cut-off events. For 192903/194317 co-relation queries the response was YES. Maximal size of possible extension queue 2249. Compared 367058 event pairs, 144 based on Foata normal form. 5/38066 useless extension candidates. Maximal degree in co-relation 668958. Up to 42147 conditions per place. [2021-08-13 03:06:07,134 INFO L132 encePairwiseOnDemand]: 26/33 looper letters, 15887 selfloop transitions, 2388 changer transitions 85/18482 dead transitions. [2021-08-13 03:06:07,134 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 18482 transitions, 662234 flow [2021-08-13 03:06:07,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-13 03:06:07,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-13 03:06:07,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 358 transitions. [2021-08-13 03:06:07,136 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8344988344988346 [2021-08-13 03:06:07,136 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 358 transitions. [2021-08-13 03:06:07,136 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 358 transitions. [2021-08-13 03:06:07,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 03:06:07,136 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 358 transitions. [2021-08-13 03:06:07,137 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 27.53846153846154) internal successors, (358), 13 states have internal predecessors, (358), 0 states have call successors, (0), 0 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 03:06:07,138 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 33.0) internal successors, (462), 14 states have internal predecessors, (462), 0 states have call successors, (0), 0 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 03:06:07,138 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 33.0) internal successors, (462), 14 states have internal predecessors, (462), 0 states have call successors, (0), 0 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 03:06:07,138 INFO L348 CegarLoopForPetriNet]: 36 programPoint places, 105 predicate places. [2021-08-13 03:06:07,138 INFO L482 AbstractCegarLoop]: Abstraction has has 141 places, 18482 transitions, 662234 flow [2021-08-13 03:06:07,138 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 22.0) internal successors, (154), 7 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 03:06:07,138 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 03:06:07,139 INFO L266 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 03:06:07,339 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-08-13 03:06:07,340 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 03:06:07,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 03:06:07,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1231006991, now seen corresponding path program 5 times [2021-08-13 03:06:07,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 03:06:07,340 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249843829] [2021-08-13 03:06:07,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 03:06:07,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 03:06:07,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:06:07,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:06:07,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:06:07,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 03:06:07,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:06:07,368 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-13 03:06:07,368 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 03:06:07,368 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249843829] [2021-08-13 03:06:07,369 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249843829] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:06:07,369 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2005604981] [2021-08-13 03:06:07,369 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 03:06:07,417 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-08-13 03:06:07,417 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-13 03:06:07,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-13 03:06:07,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 03:06:07,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:06:07,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:06:07,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:06:07,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:06:07,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:06:07,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:06:07,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:06:07,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:06:07,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:06:07,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:06:07,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:06:07,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:06:07,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:06:07,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:06:07,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:06:07,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:06:07,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:06:07,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:06:07,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:06:07,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:06:07,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:06:07,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:06:07,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:06:07,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:06:07,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:06:07,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:06:07,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:06:07,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:06:07,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:06:07,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:06:07,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:06:07,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:06:07,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:06:07,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:06:07,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:06:07,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 03:06:07,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:06:07,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:06:07,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:06:07,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:06:07,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 03:06:07,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 03:06:07,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-08-13 03:06:07,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-08-13 03:06:07,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:06:07,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:06:07,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:06:07,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:06:07,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-13 03:06:07,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 03:06:07,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:06:07,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 03:06:07,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:06:07,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:06:07,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-13 03:06:07,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-08-13 03:06:07,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:06:07,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:06:07,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:06:07,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:06:07,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:06:07,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:06:07,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:06:07,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:06:07,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:06:07,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 03:06:07,476 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.4 percent of original size [2021-08-13 03:06:07,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-08-13 03:06:07,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 03:06:07,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-13 03:06:07,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-08-13 03:06:07,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:06:07,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:06:07,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:06:07,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:06:07,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:06:07,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:06:07,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:06:07,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:06:07,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:06:07,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:06:07,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:06:07,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:06:07,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:06:07,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:06:07,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:06:07,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:06:07,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:06:07,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:06:07,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:06:07,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:06:07,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:06:07,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:06:07,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:06:07,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:06:07,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:06:07,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:06:07,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:06:07,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:06:07,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 03:06:07,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 03:06:07,505 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 03:06:07,506 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2005604981] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 03:06:07,506 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 03:06:07,506 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 6 [2021-08-13 03:06:07,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304713294] [2021-08-13 03:06:07,506 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-08-13 03:06:07,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 03:06:07,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-13 03:06:07,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-08-13 03:06:07,507 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 33 [2021-08-13 03:06:07,507 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 18482 transitions, 662234 flow. Second operand has 7 states, 7 states have (on average 22.428571428571427) internal successors, (157), 7 states have internal predecessors, (157), 0 states have call successors, (0), 0 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 03:06:07,507 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 03:06:07,507 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 33 [2021-08-13 03:06:07,507 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2021-08-13 03:06:51,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-13 03:06:51,874 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-08-13 03:06:51,875 WARN L547 AbstractCegarLoop]: Verification canceled [2021-08-13 03:06:51,877 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-13 03:06:51,879 WARN L188 ceAbstractionStarter]: Timeout [2021-08-13 03:06:51,880 INFO L202 PluginConnector]: Adding new model exp2x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.08 03:06:51 BasicIcfg [2021-08-13 03:06:51,880 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-13 03:06:51,880 INFO L168 Benchmark]: Toolchain (without parser) took 548196.08 ms. Allocated memory was 207.6 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 189.2 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.4 GB. Max. memory is 8.0 GB. [2021-08-13 03:06:51,880 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.33 ms. Allocated memory is still 207.6 MB. Free memory is still 190.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-13 03:06:51,880 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.01 ms. Allocated memory is still 207.6 MB. Free memory was 189.1 MB in the beginning and 187.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-13 03:06:51,881 INFO L168 Benchmark]: Boogie Preprocessor took 17.52 ms. Allocated memory is still 207.6 MB. Free memory was 187.6 MB in the beginning and 186.7 MB in the end (delta: 896.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-13 03:06:51,881 INFO L168 Benchmark]: RCFGBuilder took 245.63 ms. Allocated memory is still 207.6 MB. Free memory was 186.6 MB in the beginning and 175.3 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-08-13 03:06:51,881 INFO L168 Benchmark]: TraceAbstraction took 547901.78 ms. Allocated memory was 207.6 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 174.9 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.4 GB. Max. memory is 8.0 GB. [2021-08-13 03:06:51,881 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 0.33 ms. Allocated memory is still 207.6 MB. Free memory is still 190.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 26.01 ms. Allocated memory is still 207.6 MB. Free memory was 189.1 MB in the beginning and 187.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 17.52 ms. Allocated memory is still 207.6 MB. Free memory was 187.6 MB in the beginning and 186.7 MB in the end (delta: 896.4 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 245.63 ms. Allocated memory is still 207.6 MB. Free memory was 186.6 MB in the beginning and 175.3 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 547901.78 ms. Allocated memory was 207.6 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 174.9 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.4 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (7states, 20/33 universal loopers) in iteration 18,while PetriNetUnfolder was constructing finite prefix that currently has 53630 conditions, 3266 events (2169/3265 cut-off events. For 26211/27239 co-relation queries the response was YES. Maximal size of possible extension queue 966. Compared 23407 event pairs, 5 based on Foata normal form. 0/3255 useless extension candidates. Maximal degree in co-relation 53580. Up to 2979 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 50 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 24.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 547814.9ms, OverallIterations: 18, TraceHistogramMax: 2, EmptinessCheckTime: 0.0ms, AutomataDifference: 543191.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 59.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 94 SDtfs, 568 SDslu, 84 SDs, 0 SdLazy, 1851 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1123.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 328 GetRequests, 202 SyntacticMatches, 17 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 882.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=662234occurred in iteration=17, InterpolantAutomatonStates: 122, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 68.4ms SsaConstructionTime, 228.6ms SatisfiabilityAnalysisTime, 1846.3ms InterpolantComputationTime, 619 NumberOfCodeBlocks, 619 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 592 ConstructedInterpolants, 0 QuantifiedInterpolants, 2991 SizeOfPredicates, 28 NumberOfNonLiveVariables, 588 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 27 InterpolantComputations, 9 PerfectInterpolantSequences, 30/73 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown