/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-Hitting.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x9.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-13 13:07:23,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-13 13:07:23,852 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-13 13:07:23,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-13 13:07:23,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-13 13:07:23,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-13 13:07:23,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-13 13:07:23,908 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-Hitting.epf [2021-08-13 13:07:23,937 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-13 13:07:23,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-13 13:07:23,938 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-13 13:07:23,938 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-13 13:07:23,938 INFO L138 SettingsManager]: * Use SBE=true [2021-08-13 13:07:23,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-13 13:07:23,939 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-13 13:07:23,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-13 13:07:23,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-13 13:07:23,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-13 13:07:23,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-13 13:07:23,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-13 13:07:23,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-13 13:07:23,940 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-13 13:07:23,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-13 13:07:23,940 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-13 13:07:23,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-13 13:07:23,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-13 13:07:23,940 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-13 13:07:23,941 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-13 13:07:23,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-13 13:07:23,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 13:07:23,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-13 13:07:23,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-13 13:07:23,941 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-13 13:07:23,941 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-13 13:07:23,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-13 13:07:23,942 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-13 13:07:23,942 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-13 13:07:23,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-13 13:07:23,942 INFO L138 SettingsManager]: * Compute cosets for OwickiGries annotation iteratively=true [2021-08-13 13:07:23,942 INFO L138 SettingsManager]: * Use hitting sets in computation of OwickiGries annotation=true [2021-08-13 13:07:23,942 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-13 13:07:24,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-13 13:07:24,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-13 13:07:24,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-13 13:07:24,222 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-13 13:07:24,223 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-13 13:07:24,223 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x9.wvr.bpl [2021-08-13 13:07:24,224 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x9.wvr.bpl' [2021-08-13 13:07:24,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-13 13:07:24,255 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-13 13:07:24,255 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-13 13:07:24,256 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-13 13:07:24,256 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-13 13:07:24,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 01:07:24" (1/1) ... [2021-08-13 13:07:24,270 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 01:07:24" (1/1) ... [2021-08-13 13:07:24,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-13 13:07:24,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-13 13:07:24,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-13 13:07:24,275 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-13 13:07:24,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 01:07:24" (1/1) ... [2021-08-13 13:07:24,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 01:07:24" (1/1) ... [2021-08-13 13:07:24,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 01:07:24" (1/1) ... [2021-08-13 13:07:24,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 01:07:24" (1/1) ... [2021-08-13 13:07:24,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 01:07:24" (1/1) ... [2021-08-13 13:07:24,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 01:07:24" (1/1) ... [2021-08-13 13:07:24,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 01:07:24" (1/1) ... [2021-08-13 13:07:24,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-13 13:07:24,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-13 13:07:24,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-13 13:07:24,290 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-13 13:07:24,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 01:07:24" (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 13:07:24,357 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-13 13:07:24,358 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-13 13:07:24,358 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-13 13:07:24,358 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-13 13:07:24,358 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-13 13:07:24,358 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-13 13:07:24,359 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-13 13:07:24,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-13 13:07:24,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-13 13:07:24,359 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-13 13:07:24,360 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-13 13:07:24,360 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-13 13:07:24,360 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-08-13 13:07:24,361 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-08-13 13:07:24,362 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-08-13 13:07:24,363 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 13:07:24,589 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-13 13:07:24,589 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-13 13:07:24,590 INFO L202 PluginConnector]: Adding new model exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 01:07:24 BoogieIcfgContainer [2021-08-13 13:07:24,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-13 13:07:24,591 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-13 13:07:24,591 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-13 13:07:24,593 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-13 13:07:24,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 01:07:24" (1/2) ... [2021-08-13 13:07:24,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@476c1697 and model type exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 01:07:24, skipping insertion in model container [2021-08-13 13:07:24,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 01:07:24" (2/2) ... [2021-08-13 13:07:24,595 INFO L111 eAbstractionObserver]: Analyzing ICFG exp2x9.wvr.bpl [2021-08-13 13:07:24,615 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-13 13:07:24,615 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-13 13:07:24,616 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-13 13:07:24,693 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-08-13 13:07:24,709 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-08-13 13:07:24,724 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-13 13:07:24,725 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-13 13:07:24,725 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-13 13:07:24,725 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-13 13:07:24,725 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-13 13:07:24,725 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-13 13:07:24,725 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-13 13:07:24,725 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-13 13:07:24,733 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 57 transitions, 146 flow [2021-08-13 13:07:24,786 INFO L129 PetriNetUnfolder]: 4/53 cut-off events. [2021-08-13 13:07:24,786 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-08-13 13:07:24,790 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 53 events. 4/53 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 150 event pairs, 0 based on Foata normal form. 0/48 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2021-08-13 13:07:24,790 INFO L82 GeneralOperation]: Start removeDead. Operand has 66 places, 57 transitions, 146 flow [2021-08-13 13:07:24,793 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 51 transitions, 126 flow [2021-08-13 13:07:24,805 INFO L129 PetriNetUnfolder]: 4/50 cut-off events. [2021-08-13 13:07:24,805 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-08-13 13:07:24,806 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 13:07:24,806 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 13:07:24,806 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 13:07:24,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 13:07:24,817 INFO L82 PathProgramCache]: Analyzing trace with hash -859559450, now seen corresponding path program 1 times [2021-08-13 13:07:24,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 13:07:24,824 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656445056] [2021-08-13 13:07:24,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 13:07:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 13:07:24,964 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-08-13 13:07:24,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:24,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:24,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:07:24,989 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 13:07:24,989 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 13:07:24,989 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656445056] [2021-08-13 13:07:24,990 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656445056] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 13:07:24,991 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 13:07:24,991 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-13 13:07:24,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115399031] [2021-08-13 13:07:24,997 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-13 13:07:24,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 13:07:25,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-13 13:07:25,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-13 13:07:25,007 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 57 [2021-08-13 13:07:25,009 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 51 transitions, 126 flow. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:25,009 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 13:07:25,009 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 57 [2021-08-13 13:07:25,010 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 13:07:25,454 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][21], [65#true, 33#thread4FINALtrue, 50#L18true, 67#true, 69#true, 22#L32true, 70#true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 13:07:25,455 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 13:07:25,455 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 13:07:25,455 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 13:07:25,455 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 13:07:25,455 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][22], [65#true, 50#L18true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 13:07:25,455 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 13:07:25,455 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 13:07:25,455 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 13:07:25,455 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 13:07:25,469 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][21], [33#thread4FINALtrue, 65#true, 67#true, 69#true, 70#true, 22#L32true, 7#thread1FINALtrue, 45#L46true, 46#L78true, 63#true]) [2021-08-13 13:07:25,470 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-08-13 13:07:25,470 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:07:25,470 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:07:25,470 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:07:25,470 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][22], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 7#thread1FINALtrue, 45#L46true, 46#L78true, 63#true]) [2021-08-13 13:07:25,470 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-08-13 13:07:25,470 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:07:25,471 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:07:25,471 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:07:25,527 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][21], [65#true, 33#thread4FINALtrue, 67#true, 69#true, 70#true, 22#L32true, 8#L19true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 13:07:25,527 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-08-13 13:07:25,527 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:07:25,527 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:07:25,527 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:07:25,527 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][22], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 8#L19true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 13:07:25,527 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-08-13 13:07:25,527 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:07:25,527 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:07:25,528 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:07:25,604 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][21], [65#true, 33#thread4FINALtrue, 67#true, 69#true, 70#true, 22#L32true, 24#L20true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 13:07:25,604 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-08-13 13:07:25,604 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 13:07:25,605 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 13:07:25,605 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 13:07:25,605 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][22], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 24#L20true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 13:07:25,605 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-08-13 13:07:25,605 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 13:07:25,605 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 13:07:25,605 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 13:07:25,792 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][21], [33#thread4FINALtrue, 65#true, 67#true, 69#true, 70#true, 22#L32true, 55#L21true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 13:07:25,792 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-08-13 13:07:25,792 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 13:07:25,792 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 13:07:25,792 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 13:07:25,792 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][22], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 55#L21true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 13:07:25,792 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-08-13 13:07:25,792 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 13:07:25,793 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 13:07:25,793 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 13:07:25,942 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][21], [65#true, 33#thread4FINALtrue, 67#true, 69#true, 22#L32true, 70#true, 45#L46true, 13#L22true, 46#L78true, 63#true]) [2021-08-13 13:07:25,943 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-08-13 13:07:25,943 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 13:07:25,943 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:07:25,943 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:07:25,943 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][22], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 45#L46true, 13#L22true, 46#L78true, 63#true]) [2021-08-13 13:07:25,943 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-08-13 13:07:25,943 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 13:07:25,943 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:07:25,943 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:07:26,056 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][21], [65#true, 33#thread4FINALtrue, 67#true, 69#true, 70#true, 22#L32true, 29#L23true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 13:07:26,056 INFO L384 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2021-08-13 13:07:26,057 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 13:07:26,057 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:07:26,057 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:07:26,057 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][22], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 29#L23true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 13:07:26,057 INFO L384 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2021-08-13 13:07:26,058 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:07:26,058 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 13:07:26,058 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:07:26,210 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][21], [65#true, 33#thread4FINALtrue, 67#true, 69#true, 70#true, 22#L32true, 43#L24true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 13:07:26,212 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 13:07:26,212 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 13:07:26,213 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 13:07:26,213 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 13:07:26,217 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][22], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 43#L24true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 13:07:26,217 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 13:07:26,217 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 13:07:26,217 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 13:07:26,218 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 13:07:26,384 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][21], [33#thread4FINALtrue, 65#true, 67#true, 69#true, 70#true, 22#L32true, 61#L25true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 13:07:26,384 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 13:07:26,384 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 13:07:26,384 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 13:07:26,384 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 13:07:26,384 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][22], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 61#L25true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 13:07:26,384 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 13:07:26,384 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 13:07:26,384 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 13:07:26,385 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 13:07:27,029 INFO L129 PetriNetUnfolder]: 23302/30909 cut-off events. [2021-08-13 13:07:27,029 INFO L130 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2021-08-13 13:07:27,091 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61718 conditions, 30909 events. 23302/30909 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 732. Compared 154708 event pairs, 14625 based on Foata normal form. 1/26692 useless extension candidates. Maximal degree in co-relation 61691. Up to 30548 conditions per place. [2021-08-13 13:07:27,228 INFO L132 encePairwiseOnDemand]: 51/57 looper letters, 45 selfloop transitions, 5 changer transitions 0/63 dead transitions. [2021-08-13 13:07:27,229 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 63 transitions, 250 flow [2021-08-13 13:07:27,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-13 13:07:27,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-08-13 13:07:27,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 105 transitions. [2021-08-13 13:07:27,238 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6140350877192983 [2021-08-13 13:07:27,238 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 105 transitions. [2021-08-13 13:07:27,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 105 transitions. [2021-08-13 13:07:27,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 13:07:27,241 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 105 transitions. [2021-08-13 13:07:27,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:27,245 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 57.0) internal successors, (228), 4 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:27,245 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 57.0) internal successors, (228), 4 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:27,249 INFO L348 CegarLoopForPetriNet]: 60 programPoint places, 2 predicate places. [2021-08-13 13:07:27,249 INFO L482 AbstractCegarLoop]: Abstraction has has 62 places, 63 transitions, 250 flow [2021-08-13 13:07:27,249 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 13:07:27,249 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 13:07:27,250 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 13:07:27,250 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-13 13:07:27,250 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 13:07:27,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 13:07:27,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1404164327, now seen corresponding path program 1 times [2021-08-13 13:07:27,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 13:07:27,251 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602280491] [2021-08-13 13:07:27,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 13:07:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 13:07:27,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:27,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:27,343 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-08-13 13:07:27,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 13:07:27,354 INFO L142 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-08-13 13:07:27,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:07:27,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:27,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:07:27,356 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 13:07:27,356 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 13:07:27,356 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602280491] [2021-08-13 13:07:27,356 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602280491] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 13:07:27,356 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 13:07:27,356 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 13:07:27,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089073769] [2021-08-13 13:07:27,357 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 13:07:27,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 13:07:27,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 13:07:27,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-13 13:07:27,358 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 57 [2021-08-13 13:07:27,359 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 63 transitions, 250 flow. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:27,359 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 13:07:27,359 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 57 [2021-08-13 13:07:27,359 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 13:07:27,818 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][25], [65#true, 33#thread4FINALtrue, 67#true, 69#true, 22#L32true, 70#true, 24#L20true, 74#true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 13:07:27,818 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-08-13 13:07:27,818 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 13:07:27,818 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 13:07:27,818 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 13:07:27,818 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][26], [65#true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 24#L20true, 74#true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 13:07:27,819 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-08-13 13:07:27,819 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 13:07:27,819 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 13:07:27,819 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 13:07:27,925 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][25], [65#true, 33#thread4FINALtrue, 67#true, 69#true, 22#L32true, 70#true, 55#L21true, 74#true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 13:07:27,925 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-08-13 13:07:27,925 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 13:07:27,925 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 13:07:27,925 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 13:07:27,925 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][26], [65#true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 55#L21true, 74#true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 13:07:27,925 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-08-13 13:07:27,926 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 13:07:27,926 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 13:07:27,926 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 13:07:28,102 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][25], [33#thread4FINALtrue, 65#true, 67#true, 69#true, 70#true, 22#L32true, 74#true, 13#L22true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 13:07:28,102 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-08-13 13:07:28,102 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:07:28,102 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:07:28,102 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 13:07:28,102 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][26], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 74#true, 13#L22true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 13:07:28,102 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-08-13 13:07:28,102 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 13:07:28,103 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:07:28,103 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:07:28,207 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][25], [33#thread4FINALtrue, 65#true, 67#true, 69#true, 70#true, 22#L32true, 74#true, 29#L23true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 13:07:28,207 INFO L384 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2021-08-13 13:07:28,208 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:07:28,208 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 13:07:28,208 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:07:28,208 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][26], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 74#true, 29#L23true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 13:07:28,208 INFO L384 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2021-08-13 13:07:28,208 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 13:07:28,208 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:07:28,208 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:07:28,339 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][25], [65#true, 33#thread4FINALtrue, 67#true, 69#true, 22#L32true, 70#true, 74#true, 43#L24true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 13:07:28,339 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 13:07:28,339 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 13:07:28,339 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 13:07:28,340 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 13:07:28,340 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][26], [65#true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 74#true, 43#L24true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 13:07:28,340 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 13:07:28,340 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 13:07:28,340 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 13:07:28,340 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 13:07:28,512 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][25], [65#true, 33#thread4FINALtrue, 67#true, 69#true, 22#L32true, 70#true, 74#true, 61#L25true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 13:07:28,512 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 13:07:28,512 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 13:07:28,512 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 13:07:28,513 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 13:07:28,516 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][26], [65#true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 74#true, 61#L25true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 13:07:28,516 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 13:07:28,516 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 13:07:28,516 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 13:07:28,517 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 13:07:28,619 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][25], [65#true, 33#thread4FINALtrue, 50#L18true, 67#true, 69#true, 22#L32true, 70#true, 74#true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 13:07:28,620 INFO L384 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2021-08-13 13:07:28,620 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 13:07:28,620 INFO L387 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2021-08-13 13:07:28,620 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 13:07:28,620 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][26], [65#true, 50#L18true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 74#true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 13:07:28,620 INFO L384 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2021-08-13 13:07:28,620 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 13:07:28,620 INFO L387 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2021-08-13 13:07:28,620 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 13:07:28,644 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][25], [65#true, 33#thread4FINALtrue, 67#true, 69#true, 22#L32true, 70#true, 7#thread1FINALtrue, 74#true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 13:07:28,644 INFO L384 tUnfolder$Statistics]: this new event has 23 ancestors and is cut-off event [2021-08-13 13:07:28,644 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:07:28,644 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:07:28,644 INFO L387 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2021-08-13 13:07:28,644 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][26], [65#true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 7#thread1FINALtrue, 74#true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 13:07:28,644 INFO L384 tUnfolder$Statistics]: this new event has 23 ancestors and is cut-off event [2021-08-13 13:07:28,644 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:07:28,644 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:07:28,644 INFO L387 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2021-08-13 13:07:28,719 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][25], [65#true, 33#thread4FINALtrue, 67#true, 69#true, 22#L32true, 70#true, 8#L19true, 74#true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 13:07:28,720 INFO L384 tUnfolder$Statistics]: this new event has 23 ancestors and is cut-off event [2021-08-13 13:07:28,720 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:07:28,720 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:07:28,720 INFO L387 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2021-08-13 13:07:28,720 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][26], [65#true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 8#L19true, 74#true, 45#L46true, 46#L78true, 63#true]) [2021-08-13 13:07:28,720 INFO L384 tUnfolder$Statistics]: this new event has 23 ancestors and is cut-off event [2021-08-13 13:07:28,720 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:07:28,720 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:07:28,720 INFO L387 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2021-08-13 13:07:29,170 INFO L129 PetriNetUnfolder]: 25615/34135 cut-off events. [2021-08-13 13:07:29,170 INFO L130 PetriNetUnfolder]: For 11251/11347 co-relation queries the response was YES. [2021-08-13 13:07:29,248 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90001 conditions, 34135 events. 25615/34135 cut-off events. For 11251/11347 co-relation queries the response was YES. Maximal size of possible extension queue 811. Compared 176620 event pairs, 14073 based on Foata normal form. 3/29332 useless extension candidates. Maximal degree in co-relation 89965. Up to 33690 conditions per place. [2021-08-13 13:07:29,469 INFO L132 encePairwiseOnDemand]: 50/57 looper letters, 48 selfloop transitions, 9 changer transitions 0/86 dead transitions. [2021-08-13 13:07:29,469 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 86 transitions, 456 flow [2021-08-13 13:07:29,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-13 13:07:29,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-08-13 13:07:29,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 171 transitions. [2021-08-13 13:07:29,474 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.75 [2021-08-13 13:07:29,474 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 171 transitions. [2021-08-13 13:07:29,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 171 transitions. [2021-08-13 13:07:29,476 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 13:07:29,476 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 171 transitions. [2021-08-13 13:07:29,478 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:29,479 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 57.0) internal successors, (285), 5 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:29,479 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 57.0) internal successors, (285), 5 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:29,479 INFO L348 CegarLoopForPetriNet]: 60 programPoint places, 5 predicate places. [2021-08-13 13:07:29,480 INFO L482 AbstractCegarLoop]: Abstraction has has 65 places, 86 transitions, 456 flow [2021-08-13 13:07:29,480 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:29,480 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 13:07:29,480 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 13:07:29,482 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-13 13:07:29,482 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 13:07:29,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 13:07:29,483 INFO L82 PathProgramCache]: Analyzing trace with hash 347786551, now seen corresponding path program 2 times [2021-08-13 13:07:29,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 13:07:29,484 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791652975] [2021-08-13 13:07:29,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 13:07:29,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 13:07:29,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:29,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:29,517 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-08-13 13:07:29,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:29,524 INFO L142 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-08-13 13:07:29,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:07:29,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:29,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:07:29,529 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 13:07:29,529 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 13:07:29,529 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791652975] [2021-08-13 13:07:29,530 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791652975] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 13:07:29,530 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 13:07:29,530 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 13:07:29,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272844002] [2021-08-13 13:07:29,531 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 13:07:29,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 13:07:29,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 13:07:29,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-13 13:07:29,533 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 57 [2021-08-13 13:07:29,533 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 86 transitions, 456 flow. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:29,533 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 13:07:29,534 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 57 [2021-08-13 13:07:29,534 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 13:07:29,916 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][28], [65#true, 33#thread4FINALtrue, 67#true, 69#true, 22#L32true, 70#true, 24#L20true, 74#true, 45#L46true, 46#L78true, 63#true, 79#true]) [2021-08-13 13:07:29,916 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-08-13 13:07:29,916 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 13:07:29,916 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 13:07:29,916 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 13:07:29,916 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][29], [65#true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 24#L20true, 74#true, 45#L46true, 46#L78true, 63#true, 79#true]) [2021-08-13 13:07:29,916 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-08-13 13:07:29,916 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 13:07:29,916 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-08-13 13:07:29,917 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 13:07:30,101 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][28], [33#thread4FINALtrue, 65#true, 67#true, 69#true, 70#true, 22#L32true, 55#L21true, 74#true, 45#L46true, 46#L78true, 79#true, 63#true]) [2021-08-13 13:07:30,101 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-08-13 13:07:30,101 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 13:07:30,102 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 13:07:30,102 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 13:07:30,102 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][29], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 55#L21true, 74#true, 45#L46true, 46#L78true, 79#true, 63#true]) [2021-08-13 13:07:30,102 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-08-13 13:07:30,102 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 13:07:30,102 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 13:07:30,102 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-08-13 13:07:30,189 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][28], [33#thread4FINALtrue, 65#true, 67#true, 69#true, 70#true, 22#L32true, 74#true, 45#L46true, 13#L22true, 46#L78true, 79#true, 63#true]) [2021-08-13 13:07:30,189 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-08-13 13:07:30,189 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:07:30,189 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 13:07:30,189 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:07:30,189 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][29], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 74#true, 45#L46true, 13#L22true, 46#L78true, 79#true, 63#true]) [2021-08-13 13:07:30,189 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-08-13 13:07:30,189 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:07:30,189 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-08-13 13:07:30,189 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:07:30,289 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][28], [65#true, 33#thread4FINALtrue, 67#true, 69#true, 70#true, 22#L32true, 74#true, 29#L23true, 45#L46true, 46#L78true, 79#true, 63#true]) [2021-08-13 13:07:30,289 INFO L384 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2021-08-13 13:07:30,289 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:07:30,289 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 13:07:30,289 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:07:30,289 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][29], [65#true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 74#true, 29#L23true, 45#L46true, 46#L78true, 63#true, 79#true]) [2021-08-13 13:07:30,289 INFO L384 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2021-08-13 13:07:30,290 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:07:30,290 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 13:07:30,290 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:07:30,392 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][28], [65#true, 33#thread4FINALtrue, 67#true, 69#true, 22#L32true, 70#true, 74#true, 43#L24true, 45#L46true, 46#L78true, 63#true, 79#true]) [2021-08-13 13:07:30,393 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 13:07:30,393 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 13:07:30,393 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 13:07:30,393 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 13:07:30,393 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][29], [65#true, 67#true, 52#L61true, 69#true, 70#true, 22#L32true, 74#true, 43#L24true, 45#L46true, 46#L78true, 79#true, 63#true]) [2021-08-13 13:07:30,393 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 13:07:30,393 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 13:07:30,393 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 13:07:30,393 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 13:07:30,505 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][28], [65#true, 33#thread4FINALtrue, 67#true, 69#true, 22#L32true, 70#true, 74#true, 61#L25true, 45#L46true, 46#L78true, 63#true, 79#true]) [2021-08-13 13:07:30,505 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 13:07:30,505 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 13:07:30,505 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 13:07:30,505 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 13:07:30,505 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][29], [65#true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 74#true, 61#L25true, 45#L46true, 46#L78true, 63#true, 79#true]) [2021-08-13 13:07:30,505 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 13:07:30,505 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 13:07:30,505 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 13:07:30,506 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 13:07:30,705 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][28], [65#true, 33#thread4FINALtrue, 50#L18true, 67#true, 69#true, 70#true, 22#L32true, 74#true, 45#L46true, 46#L78true, 79#true, 63#true]) [2021-08-13 13:07:30,705 INFO L384 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2021-08-13 13:07:30,705 INFO L387 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2021-08-13 13:07:30,705 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 13:07:30,705 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 13:07:30,705 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][29], [65#true, 50#L18true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 74#true, 45#L46true, 46#L78true, 63#true, 79#true]) [2021-08-13 13:07:30,706 INFO L384 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2021-08-13 13:07:30,706 INFO L387 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2021-08-13 13:07:30,706 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 13:07:30,706 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 13:07:30,782 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][28], [65#true, 33#thread4FINALtrue, 67#true, 69#true, 70#true, 22#L32true, 8#L19true, 74#true, 45#L46true, 46#L78true, 79#true, 63#true]) [2021-08-13 13:07:30,783 INFO L384 tUnfolder$Statistics]: this new event has 23 ancestors and is cut-off event [2021-08-13 13:07:30,783 INFO L387 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2021-08-13 13:07:30,783 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:07:30,783 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:07:30,783 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][29], [65#true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 8#L19true, 74#true, 45#L46true, 46#L78true, 63#true, 79#true]) [2021-08-13 13:07:30,783 INFO L384 tUnfolder$Statistics]: this new event has 23 ancestors and is cut-off event [2021-08-13 13:07:30,783 INFO L387 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2021-08-13 13:07:30,783 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:07:30,783 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:07:30,803 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([149] L60-->thread4FINAL: Formula: (not (< v_x4_18 v_n_8)) InVars {x4=v_x4_18, n=v_n_8} OutVars{x4=v_x4_18, n=v_n_8} AuxVars[] AssignedVars[][28], [65#true, 33#thread4FINALtrue, 67#true, 69#true, 22#L32true, 70#true, 7#thread1FINALtrue, 74#true, 45#L46true, 46#L78true, 63#true, 79#true]) [2021-08-13 13:07:30,803 INFO L384 tUnfolder$Statistics]: this new event has 23 ancestors and is cut-off event [2021-08-13 13:07:30,803 INFO L387 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2021-08-13 13:07:30,803 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:07:30,803 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:07:30,803 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([148] L60-->L61: Formula: (< v_x4_3 v_n_7) InVars {x4=v_x4_3, n=v_n_7} OutVars{x4=v_x4_3, n=v_n_7} AuxVars[] AssignedVars[][29], [65#true, 67#true, 52#L61true, 69#true, 22#L32true, 70#true, 7#thread1FINALtrue, 74#true, 45#L46true, 46#L78true, 79#true, 63#true]) [2021-08-13 13:07:30,803 INFO L384 tUnfolder$Statistics]: this new event has 23 ancestors and is cut-off event [2021-08-13 13:07:30,803 INFO L387 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2021-08-13 13:07:30,803 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:07:30,804 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:07:31,286 INFO L129 PetriNetUnfolder]: 25003/33687 cut-off events. [2021-08-13 13:07:31,286 INFO L130 PetriNetUnfolder]: For 33995/34161 co-relation queries the response was YES. [2021-08-13 13:07:31,356 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109719 conditions, 33687 events. 25003/33687 cut-off events. For 33995/34161 co-relation queries the response was YES. Maximal size of possible extension queue 816. Compared 178671 event pairs, 15227 based on Foata normal form. 12/29163 useless extension candidates. Maximal degree in co-relation 109679. Up to 32922 conditions per place. [2021-08-13 13:07:31,475 INFO L132 encePairwiseOnDemand]: 50/57 looper letters, 60 selfloop transitions, 9 changer transitions 0/98 dead transitions. [2021-08-13 13:07:31,475 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 98 transitions, 666 flow [2021-08-13 13:07:31,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-13 13:07:31,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-08-13 13:07:31,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 171 transitions. [2021-08-13 13:07:31,477 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.75 [2021-08-13 13:07:31,477 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 171 transitions. [2021-08-13 13:07:31,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 171 transitions. [2021-08-13 13:07:31,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 13:07:31,477 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 171 transitions. [2021-08-13 13:07:31,478 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:31,479 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 57.0) internal successors, (285), 5 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:31,479 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 57.0) internal successors, (285), 5 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:31,479 INFO L348 CegarLoopForPetriNet]: 60 programPoint places, 8 predicate places. [2021-08-13 13:07:31,479 INFO L482 AbstractCegarLoop]: Abstraction has has 68 places, 98 transitions, 666 flow [2021-08-13 13:07:31,480 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:31,480 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 13:07:31,480 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 13:07:31,480 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-13 13:07:31,480 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 13:07:31,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 13:07:31,481 INFO L82 PathProgramCache]: Analyzing trace with hash -2099992685, now seen corresponding path program 1 times [2021-08-13 13:07:31,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 13:07:31,481 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225533200] [2021-08-13 13:07:31,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 13:07:31,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 13:07:31,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:31,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:31,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:31,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:31,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:31,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:07:31,531 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 13:07:31,532 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 13:07:31,532 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225533200] [2021-08-13 13:07:31,532 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225533200] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 13:07:31,532 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 13:07:31,532 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 13:07:31,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267591408] [2021-08-13 13:07:31,533 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 13:07:31,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 13:07:31,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 13:07:31,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-13 13:07:31,534 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 57 [2021-08-13 13:07:31,534 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 98 transitions, 666 flow. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:31,534 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 13:07:31,534 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 57 [2021-08-13 13:07:31,534 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 13:07:33,931 INFO L129 PetriNetUnfolder]: 30633/42087 cut-off events. [2021-08-13 13:07:33,931 INFO L130 PetriNetUnfolder]: For 45176/45450 co-relation queries the response was YES. [2021-08-13 13:07:34,035 INFO L84 FinitePrefix]: Finished finitePrefix Result has 163817 conditions, 42087 events. 30633/42087 cut-off events. For 45176/45450 co-relation queries the response was YES. Maximal size of possible extension queue 994. Compared 237616 event pairs, 15767 based on Foata normal form. 3/36636 useless extension candidates. Maximal degree in co-relation 163749. Up to 40801 conditions per place. [2021-08-13 13:07:34,200 INFO L132 encePairwiseOnDemand]: 50/57 looper letters, 124 selfloop transitions, 22 changer transitions 0/177 dead transitions. [2021-08-13 13:07:34,200 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 177 transitions, 1554 flow [2021-08-13 13:07:34,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 13:07:34,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 13:07:34,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 219 transitions. [2021-08-13 13:07:34,201 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7684210526315789 [2021-08-13 13:07:34,201 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 219 transitions. [2021-08-13 13:07:34,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 219 transitions. [2021-08-13 13:07:34,202 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 13:07:34,202 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 219 transitions. [2021-08-13 13:07:34,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 43.8) internal successors, (219), 5 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:34,203 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 57.0) internal successors, (342), 6 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:34,204 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 57.0) internal successors, (342), 6 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:34,204 INFO L348 CegarLoopForPetriNet]: 60 programPoint places, 12 predicate places. [2021-08-13 13:07:34,204 INFO L482 AbstractCegarLoop]: Abstraction has has 72 places, 177 transitions, 1554 flow [2021-08-13 13:07:34,204 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:34,204 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 13:07:34,204 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 13:07:34,204 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-13 13:07:34,204 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 13:07:34,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 13:07:34,205 INFO L82 PathProgramCache]: Analyzing trace with hash 964366339, now seen corresponding path program 2 times [2021-08-13 13:07:34,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 13:07:34,205 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106570780] [2021-08-13 13:07:34,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 13:07:34,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 13:07:34,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:34,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:34,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:34,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:34,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:34,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:07:34,239 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 13:07:34,239 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 13:07:34,239 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106570780] [2021-08-13 13:07:34,239 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106570780] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 13:07:34,239 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 13:07:34,240 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 13:07:34,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604415624] [2021-08-13 13:07:34,240 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 13:07:34,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 13:07:34,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 13:07:34,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-13 13:07:34,241 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 57 [2021-08-13 13:07:34,241 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 177 transitions, 1554 flow. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:34,241 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 13:07:34,241 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 57 [2021-08-13 13:07:34,241 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 13:07:36,858 INFO L129 PetriNetUnfolder]: 28979/39692 cut-off events. [2021-08-13 13:07:36,858 INFO L130 PetriNetUnfolder]: For 47920/48373 co-relation queries the response was YES. [2021-08-13 13:07:36,967 INFO L84 FinitePrefix]: Finished finitePrefix Result has 178475 conditions, 39692 events. 28979/39692 cut-off events. For 47920/48373 co-relation queries the response was YES. Maximal size of possible extension queue 929. Compared 221053 event pairs, 14770 based on Foata normal form. 0/34591 useless extension candidates. Maximal degree in co-relation 178418. Up to 38368 conditions per place. [2021-08-13 13:07:37,122 INFO L132 encePairwiseOnDemand]: 50/57 looper letters, 197 selfloop transitions, 35 changer transitions 3/266 dead transitions. [2021-08-13 13:07:37,122 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 266 transitions, 2874 flow [2021-08-13 13:07:37,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 13:07:37,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 13:07:37,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 217 transitions. [2021-08-13 13:07:37,123 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7614035087719299 [2021-08-13 13:07:37,124 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 217 transitions. [2021-08-13 13:07:37,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 217 transitions. [2021-08-13 13:07:37,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 13:07:37,124 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 217 transitions. [2021-08-13 13:07:37,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 43.4) internal successors, (217), 5 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:37,125 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 57.0) internal successors, (342), 6 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:37,125 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 57.0) internal successors, (342), 6 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:37,125 INFO L348 CegarLoopForPetriNet]: 60 programPoint places, 16 predicate places. [2021-08-13 13:07:37,125 INFO L482 AbstractCegarLoop]: Abstraction has has 76 places, 266 transitions, 2874 flow [2021-08-13 13:07:37,125 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:37,125 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 13:07:37,126 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 13:07:37,126 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-13 13:07:37,126 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 13:07:37,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 13:07:37,126 INFO L82 PathProgramCache]: Analyzing trace with hash -865214041, now seen corresponding path program 1 times [2021-08-13 13:07:37,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 13:07:37,126 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359729089] [2021-08-13 13:07:37,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 13:07:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 13:07:37,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:07:37,154 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 13:07:37,154 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 13:07:37,154 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359729089] [2021-08-13 13:07:37,154 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359729089] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 13:07:37,154 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051535949] [2021-08-13 13:07:37,154 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 13:07:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 13:07:37,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-13 13:07:37,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 13:07:37,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:37,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 13:07:37,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:37,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 13:07:37,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:37,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:37,366 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-08-13 13:07:37,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:07:37,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:07:37,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:07:37,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:07:37,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:07:37,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:07:37,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:07:37,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:07:37,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:07:37,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:07:37,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:07:37,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:07:37,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:37,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:07:37,372 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 13:07:37,373 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051535949] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 13:07:37,373 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-13 13:07:37,373 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-08-13 13:07:37,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004806981] [2021-08-13 13:07:37,373 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 13:07:37,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 13:07:37,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 13:07:37,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-13 13:07:37,374 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 57 [2021-08-13 13:07:37,374 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 266 transitions, 2874 flow. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:37,374 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 13:07:37,374 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 57 [2021-08-13 13:07:37,374 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 13:07:41,162 INFO L129 PetriNetUnfolder]: 30001/42404 cut-off events. [2021-08-13 13:07:41,162 INFO L130 PetriNetUnfolder]: For 55600/56140 co-relation queries the response was YES. [2021-08-13 13:07:41,296 INFO L84 FinitePrefix]: Finished finitePrefix Result has 211698 conditions, 42404 events. 30001/42404 cut-off events. For 55600/56140 co-relation queries the response was YES. Maximal size of possible extension queue 921. Compared 251514 event pairs, 12035 based on Foata normal form. 0/37880 useless extension candidates. Maximal degree in co-relation 211616. Up to 40360 conditions per place. [2021-08-13 13:07:41,555 INFO L132 encePairwiseOnDemand]: 50/57 looper letters, 316 selfloop transitions, 38 changer transitions 3/388 dead transitions. [2021-08-13 13:07:41,555 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 388 transitions, 4988 flow [2021-08-13 13:07:41,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 13:07:41,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 13:07:41,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 218 transitions. [2021-08-13 13:07:41,556 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7649122807017544 [2021-08-13 13:07:41,556 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 218 transitions. [2021-08-13 13:07:41,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 218 transitions. [2021-08-13 13:07:41,556 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 13:07:41,556 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 218 transitions. [2021-08-13 13:07:41,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 43.6) internal successors, (218), 5 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:41,559 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 57.0) internal successors, (342), 6 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:41,560 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 57.0) internal successors, (342), 6 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:41,560 INFO L348 CegarLoopForPetriNet]: 60 programPoint places, 20 predicate places. [2021-08-13 13:07:41,560 INFO L482 AbstractCegarLoop]: Abstraction has has 80 places, 388 transitions, 4988 flow [2021-08-13 13:07:41,560 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:41,560 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 13:07:41,561 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, 1, 1, 1, 1, 1, 1] [2021-08-13 13:07:41,779 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-08-13 13:07:41,779 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 13:07:41,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 13:07:41,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1899617565, now seen corresponding path program 2 times [2021-08-13 13:07:41,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 13:07:41,780 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426088288] [2021-08-13 13:07:41,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 13:07:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 13:07:41,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:41,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:41,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:41,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:07:41,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:41,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:07:41,796 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 13:07:41,796 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 13:07:41,796 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426088288] [2021-08-13 13:07:41,796 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426088288] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 13:07:41,796 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 13:07:41,796 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 13:07:41,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12332132] [2021-08-13 13:07:41,797 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 13:07:41,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 13:07:41,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 13:07:41,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-13 13:07:41,797 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 57 [2021-08-13 13:07:41,798 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 388 transitions, 4988 flow. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:41,798 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 13:07:41,798 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 57 [2021-08-13 13:07:41,798 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 13:07:45,003 INFO L129 PetriNetUnfolder]: 28347/39862 cut-off events. [2021-08-13 13:07:45,004 INFO L130 PetriNetUnfolder]: For 60119/61028 co-relation queries the response was YES. [2021-08-13 13:07:45,138 INFO L84 FinitePrefix]: Finished finitePrefix Result has 222939 conditions, 39862 events. 28347/39862 cut-off events. For 60119/61028 co-relation queries the response was YES. Maximal size of possible extension queue 857. Compared 232162 event pairs, 10598 based on Foata normal form. 0/35691 useless extension candidates. Maximal degree in co-relation 222872. Up to 37927 conditions per place. [2021-08-13 13:07:45,466 INFO L132 encePairwiseOnDemand]: 50/57 looper letters, 309 selfloop transitions, 33 changer transitions 8/381 dead transitions. [2021-08-13 13:07:45,466 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 381 transitions, 5594 flow [2021-08-13 13:07:45,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 13:07:45,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 13:07:45,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 216 transitions. [2021-08-13 13:07:45,469 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7578947368421053 [2021-08-13 13:07:45,469 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 216 transitions. [2021-08-13 13:07:45,469 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 216 transitions. [2021-08-13 13:07:45,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 13:07:45,469 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 216 transitions. [2021-08-13 13:07:45,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 43.2) internal successors, (216), 5 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:45,471 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 57.0) internal successors, (342), 6 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:45,471 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 57.0) internal successors, (342), 6 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:45,471 INFO L348 CegarLoopForPetriNet]: 60 programPoint places, 24 predicate places. [2021-08-13 13:07:45,471 INFO L482 AbstractCegarLoop]: Abstraction has has 84 places, 381 transitions, 5594 flow [2021-08-13 13:07:45,471 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:45,471 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 13:07:45,471 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 13:07:45,471 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-13 13:07:45,471 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 13:07:45,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 13:07:45,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1922414709, now seen corresponding path program 1 times [2021-08-13 13:07:45,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 13:07:45,472 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506522598] [2021-08-13 13:07:45,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 13:07:45,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 13:07:45,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:45,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:45,513 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-08-13 13:07:45,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 13:07:45,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:45,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:45,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:45,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:07:45,527 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 13:07:45,527 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 13:07:45,527 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506522598] [2021-08-13 13:07:45,527 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506522598] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 13:07:45,527 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 13:07:45,527 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-13 13:07:45,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971752791] [2021-08-13 13:07:45,527 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 13:07:45,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 13:07:45,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 13:07:45,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-13 13:07:45,528 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 57 [2021-08-13 13:07:45,528 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 381 transitions, 5594 flow. Second operand has 5 states, 5 states have (on average 34.8) internal successors, (174), 5 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:45,528 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 13:07:45,528 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 57 [2021-08-13 13:07:45,528 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 13:07:48,968 INFO L129 PetriNetUnfolder]: 31209/43120 cut-off events. [2021-08-13 13:07:48,968 INFO L130 PetriNetUnfolder]: For 127288/128308 co-relation queries the response was YES. [2021-08-13 13:07:49,139 INFO L84 FinitePrefix]: Finished finitePrefix Result has 274912 conditions, 43120 events. 31209/43120 cut-off events. For 127288/128308 co-relation queries the response was YES. Maximal size of possible extension queue 885. Compared 246917 event pairs, 6397 based on Foata normal form. 11/38683 useless extension candidates. Maximal degree in co-relation 274840. Up to 41770 conditions per place. [2021-08-13 13:07:49,350 INFO L132 encePairwiseOnDemand]: 51/57 looper letters, 337 selfloop transitions, 54 changer transitions 8/462 dead transitions. [2021-08-13 13:07:49,351 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 462 transitions, 7632 flow [2021-08-13 13:07:49,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 13:07:49,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 13:07:49,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 216 transitions. [2021-08-13 13:07:49,352 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7578947368421053 [2021-08-13 13:07:49,352 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 216 transitions. [2021-08-13 13:07:49,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 216 transitions. [2021-08-13 13:07:49,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 13:07:49,352 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 216 transitions. [2021-08-13 13:07:49,353 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 43.2) internal successors, (216), 5 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:49,353 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 57.0) internal successors, (342), 6 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:49,353 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 57.0) internal successors, (342), 6 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:49,354 INFO L348 CegarLoopForPetriNet]: 60 programPoint places, 28 predicate places. [2021-08-13 13:07:49,354 INFO L482 AbstractCegarLoop]: Abstraction has has 88 places, 462 transitions, 7632 flow [2021-08-13 13:07:49,354 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 34.8) internal successors, (174), 5 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:49,354 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 13:07:49,354 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 13:07:49,354 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-13 13:07:49,354 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 13:07:49,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 13:07:49,354 INFO L82 PathProgramCache]: Analyzing trace with hash 2048113673, now seen corresponding path program 3 times [2021-08-13 13:07:49,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 13:07:49,355 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941728172] [2021-08-13 13:07:49,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 13:07:49,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 13:07:49,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:49,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:49,378 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-08-13 13:07:49,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 13:07:49,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:49,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:07:49,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:49,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:07:49,392 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 13:07:49,392 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 13:07:49,392 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941728172] [2021-08-13 13:07:49,393 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941728172] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 13:07:49,393 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 13:07:49,393 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-13 13:07:49,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766540145] [2021-08-13 13:07:49,394 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 13:07:49,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 13:07:49,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 13:07:49,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-13 13:07:49,394 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 57 [2021-08-13 13:07:49,394 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 462 transitions, 7632 flow. Second operand has 5 states, 5 states have (on average 34.8) internal successors, (174), 5 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:49,394 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 13:07:49,394 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 57 [2021-08-13 13:07:49,394 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 13:07:54,368 INFO L129 PetriNetUnfolder]: 34125/46928 cut-off events. [2021-08-13 13:07:54,368 INFO L130 PetriNetUnfolder]: For 206906/207434 co-relation queries the response was YES. [2021-08-13 13:07:54,523 INFO L84 FinitePrefix]: Finished finitePrefix Result has 332980 conditions, 46928 events. 34125/46928 cut-off events. For 206906/207434 co-relation queries the response was YES. Maximal size of possible extension queue 920. Compared 268358 event pairs, 6808 based on Foata normal form. 11/42183 useless extension candidates. Maximal degree in co-relation 332903. Up to 45676 conditions per place. [2021-08-13 13:07:54,756 INFO L132 encePairwiseOnDemand]: 51/57 looper letters, 459 selfloop transitions, 71 changer transitions 8/601 dead transitions. [2021-08-13 13:07:54,756 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 601 transitions, 11154 flow [2021-08-13 13:07:54,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 13:07:54,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 13:07:54,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 216 transitions. [2021-08-13 13:07:54,757 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7578947368421053 [2021-08-13 13:07:54,757 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 216 transitions. [2021-08-13 13:07:54,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 216 transitions. [2021-08-13 13:07:54,758 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 13:07:54,758 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 216 transitions. [2021-08-13 13:07:54,758 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 43.2) internal successors, (216), 5 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:54,758 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 57.0) internal successors, (342), 6 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:54,759 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 57.0) internal successors, (342), 6 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:54,759 INFO L348 CegarLoopForPetriNet]: 60 programPoint places, 32 predicate places. [2021-08-13 13:07:54,759 INFO L482 AbstractCegarLoop]: Abstraction has has 92 places, 601 transitions, 11154 flow [2021-08-13 13:07:54,759 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 34.8) internal successors, (174), 5 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:07:54,759 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 13:07:54,759 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 13:07:54,759 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-13 13:07:54,759 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-13 13:07:54,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 13:07:54,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1743497374, now seen corresponding path program 1 times [2021-08-13 13:07:54,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 13:07:54,760 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952040175] [2021-08-13 13:07:54,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 13:07:54,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 13:07:54,790 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-08-13 13:07:54,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:54,796 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 13:07:54,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 13:07:54,804 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 13:07:54,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 13:07:54,813 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 13:07:54,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 13:07:54,822 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 13:07:54,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 13:07:54,831 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 13:07:54,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 13:07:54,842 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 13:07:54,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 13:07:54,854 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 13:07:54,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 13:07:54,866 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 13:07:54,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 13:07:54,868 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 13:07:54,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 13:07:54,869 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 13:07:54,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 13:07:54,869 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 13:07:54,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 13:07:54,870 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 13:07:54,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 13:07:54,871 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-08-13 13:07:54,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 13:07:54,874 INFO L142 QuantifierPusher]: treesize reduction 13, result has 48.0 percent of original size [2021-08-13 13:07:54,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-13 13:07:54,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:07:54,877 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 13:07:54,877 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 13:07:54,877 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952040175] [2021-08-13 13:07:54,877 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952040175] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 13:07:54,877 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064235926] [2021-08-13 13:07:54,877 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 13:07:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 13:07:54,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 33 conjunts are in the unsatisfiable core [2021-08-13 13:07:54,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 13:07:54,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:54,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:54,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:54,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:54,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:54,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:54,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:54,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:54,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:54,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:54,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:54,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:54,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:54,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:54,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:54,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:54,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:54,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:54,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:54,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:54,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:54,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:54,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:54,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:54,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:54,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:54,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:54,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:54,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:54,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:54,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:54,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:54,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:54,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:54,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:54,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:07:54,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 13:07:54,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 13:07:54,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 13:07:54,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 13:07:54,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 13:07:54,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 13:07:54,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 13:07:54,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:54,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 13:07:55,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 13:07:55,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 13:07:55,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 13:07:55,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 13:07:55,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 13:07:55,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 13:07:55,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 13:07:55,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 13:07:55,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 13:07:55,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 13:07:55,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 13:07:55,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 13:07:55,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 13:07:55,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 13:07:55,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 13:07:55,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 13:07:55,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 13:07:55,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 13:07:55,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 13:07:55,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 13:07:55,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 13:07:55,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 13:07:55,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 13:07:55,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-13 13:07:55,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 13:07:55,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 13:07:55,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 13:07:55,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-13 13:07:55,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 13:07:55,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 13:07:55,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 13:07:55,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 13:07:55,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-08-13 13:07:55,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-08-13 13:07:55,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-08-13 13:07:55,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-08-13 13:07:55,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-08-13 13:07:55,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-08-13 13:07:55,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-08-13 13:07:55,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-08-13 13:07:55,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-08-13 13:07:55,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-08-13 13:07:55,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-08-13 13:07:55,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-08-13 13:07:55,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-08-13 13:07:55,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-08-13 13:07:55,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-08-13 13:07:55,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-08-13 13:07:55,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-08-13 13:07:55,808 INFO L142 QuantifierPusher]: treesize reduction 5, result has 96.8 percent of original size [2021-08-13 13:07:55,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-08-13 13:07:55,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:07:55,857 WARN L348 FreeRefinementEngine]: Global settings require throwing the following exception [2021-08-13 13:07:56,057 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-08-13 13:07:56,058 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Possible infinite loop detected aux_div_aux_div_x2_10_97 already exists at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.SolveForSubjectUtils.tryToHandleDivModSubterm(SolveForSubjectUtils.java:198) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.SolveForSubjectUtils.findTreatableDivModSubterm(SolveForSubjectUtils.java:585) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.SolveForSubjectUtils.findTreatableDivModSubterm(SolveForSubjectUtils.java:573) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.SolveForSubjectUtils.solveForSubject(SolveForSubjectUtils.java:76) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.PolynomialRelation.solveForSubject(PolynomialRelation.java:451) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.SolveForSubjectUtils.tryToHandleDivModSubterm(SolveForSubjectUtils.java:212) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.SolveForSubjectUtils.findTreatableDivModSubterm(SolveForSubjectUtils.java:585) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.SolveForSubjectUtils.findTreatableDivModSubterm(SolveForSubjectUtils.java:573) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.SolveForSubjectUtils.solveForSubject(SolveForSubjectUtils.java:76) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.PolynomialRelation.solveForSubject(PolynomialRelation.java:451) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionDer$DerHelperMcsbr.solveForSubject(DualJunctionDer.java:408) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionDer$DerHelperMcsbr.solveForSubject(DualJunctionDer.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionDer$IDerHelper.findBestReplacementSbr(DualJunctionDer.java:312) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionDer$IDerHelper.tryToEliminateSbr(DualJunctionDer.java:328) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionDer.tryToEliminateOne(DualJunctionDer.java:231) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionDer.tryExhaustivelyToEliminate(DualJunctionDer.java:198) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionDer.tryToEliminateOne(DualJunctionDer.java:182) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionDer.tryExhaustivelyToEliminate(DualJunctionDer.java:149) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionDer.tryToEliminate(DualJunctionDer.java:127) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:869) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:835) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:753) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:384) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:316) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.convert(QuantifierPusher.java:227) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$LiveVariablesPostprocessorForward.postprocess(TraceCheckSpWp.java:539) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:639) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:230) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:161) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-13 13:07:56,062 INFO L168 Benchmark]: Toolchain (without parser) took 31807.70 ms. Allocated memory was 190.8 MB in the beginning and 6.8 GB in the end (delta: 6.6 GB). Free memory was 170.9 MB in the beginning and 5.8 GB in the end (delta: -5.6 GB). Peak memory consumption was 970.2 MB. Max. memory is 8.0 GB. [2021-08-13 13:07:56,062 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 190.8 MB. Free memory is still 172.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-13 13:07:56,063 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.22 ms. Allocated memory is still 190.8 MB. Free memory was 170.9 MB in the beginning and 169.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-13 13:07:56,063 INFO L168 Benchmark]: Boogie Preprocessor took 13.60 ms. Allocated memory is still 190.8 MB. Free memory was 169.3 MB in the beginning and 168.4 MB in the end (delta: 929.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-13 13:07:56,063 INFO L168 Benchmark]: RCFGBuilder took 300.91 ms. Allocated memory is still 190.8 MB. Free memory was 168.3 MB in the beginning and 154.3 MB in the end (delta: 14.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-08-13 13:07:56,063 INFO L168 Benchmark]: TraceAbstraction took 31470.26 ms. Allocated memory was 190.8 MB in the beginning and 6.8 GB in the end (delta: 6.6 GB). Free memory was 153.8 MB in the beginning and 5.8 GB in the end (delta: -5.6 GB). Peak memory consumption was 953.4 MB. Max. memory is 8.0 GB. [2021-08-13 13:07:56,064 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 190.8 MB. Free memory is still 172.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 19.22 ms. Allocated memory is still 190.8 MB. Free memory was 170.9 MB in the beginning and 169.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 13.60 ms. Allocated memory is still 190.8 MB. Free memory was 169.3 MB in the beginning and 168.4 MB in the end (delta: 929.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * RCFGBuilder took 300.91 ms. Allocated memory is still 190.8 MB. Free memory was 168.3 MB in the beginning and 154.3 MB in the end (delta: 14.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 31470.26 ms. Allocated memory was 190.8 MB in the beginning and 6.8 GB in the end (delta: 6.6 GB). Free memory was 153.8 MB in the beginning and 5.8 GB in the end (delta: -5.6 GB). Peak memory consumption was 953.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Possible infinite loop detected aux_div_aux_div_x2_10_97 already exists de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Possible infinite loop detected aux_div_aux_div_x2_10_97 already exists: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.SolveForSubjectUtils.tryToHandleDivModSubterm(SolveForSubjectUtils.java:198) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...