/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/popl20/min-max-inc-dec.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-13 13:41:24,617 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-13 13:41:24,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-13 13:41:24,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-13 13:41:24,663 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-13 13:41:24,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-13 13:41:24,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-13 13:41:24,668 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-13 13:41:24,670 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-13 13:41:24,670 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-13 13:41:24,672 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-13 13:41:24,676 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-13 13:41:24,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-13 13:41:24,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-13 13:41:24,680 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-13 13:41:24,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-13 13:41:24,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-13 13:41:24,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-13 13:41:24,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-13 13:41:24,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-13 13:41:24,695 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 13:41:24,722 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-13 13:41:24,723 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-13 13:41:24,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-13 13:41:24,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-13 13:41:24,724 INFO L138 SettingsManager]: * Use SBE=true [2021-08-13 13:41:24,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-13 13:41:24,724 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-13 13:41:24,724 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-13 13:41:24,724 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-13 13:41:24,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-13 13:41:24,725 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-13 13:41:24,725 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-13 13:41:24,725 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-13 13:41:24,725 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-13 13:41:24,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-13 13:41:24,725 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-13 13:41:24,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-13 13:41:24,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-13 13:41:24,726 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-13 13:41:24,726 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-13 13:41:24,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-13 13:41:24,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 13:41:24,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-13 13:41:24,726 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-13 13:41:24,726 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-13 13:41:24,727 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-13 13:41:24,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-13 13:41:24,727 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-13 13:41:24,727 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-13 13:41:24,727 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-13 13:41:24,727 INFO L138 SettingsManager]: * Compute cosets for OwickiGries annotation iteratively=true [2021-08-13 13:41:24,727 INFO L138 SettingsManager]: * Use hitting sets in computation of OwickiGries annotation=true [2021-08-13 13:41:24,727 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-13 13:41:24,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-13 13:41:24,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-13 13:41:24,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-13 13:41:24,961 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-13 13:41:24,967 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-13 13:41:24,967 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc-dec.wvr.bpl [2021-08-13 13:41:24,968 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc-dec.wvr.bpl' [2021-08-13 13:41:24,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-13 13:41:24,991 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-13 13:41:24,994 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-13 13:41:24,994 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-13 13:41:24,994 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-13 13:41:25,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 01:41:24" (1/1) ... [2021-08-13 13:41:25,013 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 01:41:24" (1/1) ... [2021-08-13 13:41:25,029 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-13 13:41:25,030 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-13 13:41:25,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-13 13:41:25,030 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-13 13:41:25,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 01:41:24" (1/1) ... [2021-08-13 13:41:25,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 01:41:24" (1/1) ... [2021-08-13 13:41:25,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 01:41:24" (1/1) ... [2021-08-13 13:41:25,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 01:41:24" (1/1) ... [2021-08-13 13:41:25,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 01:41:24" (1/1) ... [2021-08-13 13:41:25,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 01:41:24" (1/1) ... [2021-08-13 13:41:25,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 01:41:24" (1/1) ... [2021-08-13 13:41:25,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-13 13:41:25,050 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-13 13:41:25,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-13 13:41:25,051 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-13 13:41:25,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 01:41:24" (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 13:41:25,106 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-13 13:41:25,106 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-13 13:41:25,107 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-13 13:41:25,107 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-13 13:41:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-13 13:41:25,107 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-13 13:41:25,107 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-13 13:41:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-13 13:41:25,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-13 13:41:25,107 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-13 13:41:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-13 13:41:25,107 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-13 13:41:25,107 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-08-13 13:41:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-08-13 13:41:25,108 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-08-13 13:41:25,108 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-08-13 13:41:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-08-13 13:41:25,108 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-08-13 13:41:25,109 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 13:41:25,342 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-13 13:41:25,342 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-13 13:41:25,343 INFO L202 PluginConnector]: Adding new model min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 01:41:25 BoogieIcfgContainer [2021-08-13 13:41:25,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-13 13:41:25,345 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-13 13:41:25,345 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-13 13:41:25,346 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-13 13:41:25,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.08 01:41:24" (1/2) ... [2021-08-13 13:41:25,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f04b51 and model type min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 01:41:25, skipping insertion in model container [2021-08-13 13:41:25,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 01:41:25" (2/2) ... [2021-08-13 13:41:25,364 INFO L111 eAbstractionObserver]: Analyzing ICFG min-max-inc-dec.wvr.bpl [2021-08-13 13:41:25,368 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-13 13:41:25,369 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-13 13:41:25,369 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-13 13:41:25,439 INFO L149 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2021-08-13 13:41:25,455 INFO L255 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-08-13 13:41:25,508 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-13 13:41:25,508 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-13 13:41:25,508 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-13 13:41:25,508 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-13 13:41:25,508 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-13 13:41:25,508 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-13 13:41:25,508 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-13 13:41:25,508 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-13 13:41:25,515 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 42 transitions, 124 flow [2021-08-13 13:41:25,550 INFO L129 PetriNetUnfolder]: 4/37 cut-off events. [2021-08-13 13:41:25,550 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-08-13 13:41:25,552 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 37 events. 4/37 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 81 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 34. Up to 2 conditions per place. [2021-08-13 13:41:25,553 INFO L82 GeneralOperation]: Start removeDead. Operand has 54 places, 42 transitions, 124 flow [2021-08-13 13:41:25,557 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 47 places, 35 transitions, 100 flow [2021-08-13 13:41:25,572 INFO L129 PetriNetUnfolder]: 4/34 cut-off events. [2021-08-13 13:41:25,572 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-08-13 13:41:25,572 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 13:41:25,573 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 13:41:25,573 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-08-13 13:41:25,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 13:41:25,577 INFO L82 PathProgramCache]: Analyzing trace with hash -1748990736, now seen corresponding path program 1 times [2021-08-13 13:41:25,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 13:41:25,585 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017783630] [2021-08-13 13:41:25,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 13:41:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 13:41:25,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:25,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:25,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:25,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:41:25,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:25,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:41:25,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:25,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:25,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:25,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:25,738 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 13:41:25,738 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 13:41:25,738 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017783630] [2021-08-13 13:41:25,739 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017783630] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 13:41:25,739 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 13:41:25,739 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-13 13:41:25,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337416451] [2021-08-13 13:41:25,744 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 13:41:25,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 13:41:25,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 13:41:25,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-13 13:41:25,754 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 42 [2021-08-13 13:41:25,756 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 35 transitions, 100 flow. Second operand has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:41:25,756 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 13:41:25,756 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 42 [2021-08-13 13:41:25,757 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 13:41:25,920 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([129] thread2EXIT-->L85: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][49], [48#true, 33#thread5ENTRYtrue, 51#true, 20#L85true, 53#true, 55#true, 56#true, 8#L51-1true, 60#(= max (select A 0)), 14#L62-1true]) [2021-08-13 13:41:25,921 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is not cut-off event [2021-08-13 13:41:25,921 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is not cut-off event [2021-08-13 13:41:25,921 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is not cut-off event [2021-08-13 13:41:25,921 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is not cut-off event [2021-08-13 13:41:25,937 INFO L129 PetriNetUnfolder]: 186/448 cut-off events. [2021-08-13 13:41:25,938 INFO L130 PetriNetUnfolder]: For 65/65 co-relation queries the response was YES. [2021-08-13 13:41:25,942 INFO L84 FinitePrefix]: Finished finitePrefix Result has 751 conditions, 448 events. 186/448 cut-off events. For 65/65 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2352 event pairs, 16 based on Foata normal form. 4/393 useless extension candidates. Maximal degree in co-relation 699. Up to 155 conditions per place. [2021-08-13 13:41:25,945 INFO L132 encePairwiseOnDemand]: 34/42 looper letters, 15 selfloop transitions, 11 changer transitions 18/70 dead transitions. [2021-08-13 13:41:25,945 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 70 transitions, 258 flow [2021-08-13 13:41:25,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-13 13:41:25,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-08-13 13:41:25,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 336 transitions. [2021-08-13 13:41:25,958 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2021-08-13 13:41:25,958 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 336 transitions. [2021-08-13 13:41:25,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 336 transitions. [2021-08-13 13:41:25,961 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 13:41:25,962 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 336 transitions. [2021-08-13 13:41:25,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 37.333333333333336) internal successors, (336), 9 states have internal predecessors, (336), 0 states have call successors, (0), 0 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 13:41:25,972 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 42.0) internal successors, (420), 10 states have internal predecessors, (420), 0 states have call successors, (0), 0 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 13:41:25,973 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 42.0) internal successors, (420), 10 states have internal predecessors, (420), 0 states have call successors, (0), 0 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 13:41:25,973 INFO L348 CegarLoopForPetriNet]: 47 programPoint places, 8 predicate places. [2021-08-13 13:41:25,973 INFO L482 AbstractCegarLoop]: Abstraction has has 55 places, 70 transitions, 258 flow [2021-08-13 13:41:25,973 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:41:25,974 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 13:41:25,974 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 13:41:25,974 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-13 13:41:25,974 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-08-13 13:41:25,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 13:41:25,975 INFO L82 PathProgramCache]: Analyzing trace with hash -1402201258, now seen corresponding path program 2 times [2021-08-13 13:41:25,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 13:41:25,975 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239737614] [2021-08-13 13:41:25,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 13:41:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 13:41:26,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-08-13 13:41:26,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,022 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 13:41:26,022 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 13:41:26,022 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239737614] [2021-08-13 13:41:26,022 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239737614] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 13:41:26,022 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 13:41:26,022 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 13:41:26,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591040169] [2021-08-13 13:41:26,023 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 13:41:26,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 13:41:26,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 13:41:26,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-13 13:41:26,025 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 42 [2021-08-13 13:41:26,025 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 70 transitions, 258 flow. Second operand has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 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 13:41:26,025 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 13:41:26,025 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 42 [2021-08-13 13:41:26,025 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 13:41:26,052 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][40], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 14#L62-1true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true, 26#thread1ENTRYtrue]) [2021-08-13 13:41:26,053 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 13:41:26,053 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 13:41:26,053 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 13:41:26,054 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 13:41:26,058 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][40], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 46#L25true, 14#L62-1true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true]) [2021-08-13 13:41:26,060 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 13:41:26,060 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 13:41:26,060 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 13:41:26,060 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 13:41:26,066 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][40], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 14#L62-1true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 26#thread1ENTRYtrue, 58#true]) [2021-08-13 13:41:26,067 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 13:41:26,067 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 13:41:26,067 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 13:41:26,067 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 13:41:26,067 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 13:41:26,070 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][40], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 46#L25true, 14#L62-1true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true]) [2021-08-13 13:41:26,070 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 13:41:26,070 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 13:41:26,070 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 13:41:26,071 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 13:41:26,071 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 13:41:26,083 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([129] thread2EXIT-->L85: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][54], [48#true, 33#thread5ENTRYtrue, 51#true, 20#L85true, 53#true, 55#true, 72#true, 8#L51-1true, 56#true, 60#(= max (select A 0)), 14#L62-1true]) [2021-08-13 13:41:26,083 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is not cut-off event [2021-08-13 13:41:26,083 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is not cut-off event [2021-08-13 13:41:26,083 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is not cut-off event [2021-08-13 13:41:26,083 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is not cut-off event [2021-08-13 13:41:26,098 INFO L129 PetriNetUnfolder]: 238/585 cut-off events. [2021-08-13 13:41:26,098 INFO L130 PetriNetUnfolder]: For 152/159 co-relation queries the response was YES. [2021-08-13 13:41:26,100 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1045 conditions, 585 events. 238/585 cut-off events. For 152/159 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 3342 event pairs, 16 based on Foata normal form. 5/518 useless extension candidates. Maximal degree in co-relation 969. Up to 179 conditions per place. [2021-08-13 13:41:26,103 INFO L132 encePairwiseOnDemand]: 38/42 looper letters, 6 selfloop transitions, 4 changer transitions 21/75 dead transitions. [2021-08-13 13:41:26,103 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 75 transitions, 306 flow [2021-08-13 13:41:26,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 13:41:26,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 13:41:26,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 192 transitions. [2021-08-13 13:41:26,104 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9142857142857143 [2021-08-13 13:41:26,104 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 192 transitions. [2021-08-13 13:41:26,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 192 transitions. [2021-08-13 13:41:26,105 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 13:41:26,105 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 192 transitions. [2021-08-13 13:41:26,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 38.4) internal successors, (192), 5 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:41:26,106 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 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 13:41:26,106 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 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 13:41:26,107 INFO L348 CegarLoopForPetriNet]: 47 programPoint places, 12 predicate places. [2021-08-13 13:41:26,107 INFO L482 AbstractCegarLoop]: Abstraction has has 59 places, 75 transitions, 306 flow [2021-08-13 13:41:26,107 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 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 13:41:26,107 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 13:41:26,107 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 13:41:26,107 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-13 13:41:26,108 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-08-13 13:41:26,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 13:41:26,108 INFO L82 PathProgramCache]: Analyzing trace with hash 1804978774, now seen corresponding path program 3 times [2021-08-13 13:41:26,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 13:41:26,108 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98052975] [2021-08-13 13:41:26,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 13:41:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 13:41:26,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:41:26,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:41:26,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,153 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 13:41:26,153 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 13:41:26,154 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98052975] [2021-08-13 13:41:26,154 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98052975] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 13:41:26,154 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 13:41:26,154 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-13 13:41:26,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071759106] [2021-08-13 13:41:26,154 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-13 13:41:26,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 13:41:26,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-13 13:41:26,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-13 13:41:26,155 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 42 [2021-08-13 13:41:26,155 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 75 transitions, 306 flow. Second operand has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:41:26,155 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 13:41:26,155 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 42 [2021-08-13 13:41:26,155 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 13:41:26,257 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][50], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 14#L62-1true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true, 26#thread1ENTRYtrue]) [2021-08-13 13:41:26,258 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 13:41:26,258 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 13:41:26,258 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 13:41:26,258 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 13:41:26,271 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][50], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 14#L62-1true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true, 26#thread1ENTRYtrue]) [2021-08-13 13:41:26,271 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 13:41:26,271 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 13:41:26,271 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 13:41:26,271 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 13:41:26,271 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 13:41:26,285 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][59], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 14#L62-1true, 46#L25true, 81#(= min (select A 0)), 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true]) [2021-08-13 13:41:26,285 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-08-13 13:41:26,285 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-08-13 13:41:26,285 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-08-13 13:41:26,285 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-08-13 13:41:26,288 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][59], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 46#L25true, 14#L62-1true, 81#(= min (select A 0)), 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true]) [2021-08-13 13:41:26,288 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 13:41:26,288 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 13:41:26,288 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 13:41:26,288 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 13:41:26,288 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 13:41:26,317 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][50], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 44#L27-1true, 14#L62-1true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true]) [2021-08-13 13:41:26,317 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-08-13 13:41:26,318 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,318 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,318 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,319 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][50], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 14#L62-1true, 46#L25true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true]) [2021-08-13 13:41:26,319 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is not cut-off event [2021-08-13 13:41:26,319 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-08-13 13:41:26,319 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-08-13 13:41:26,319 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-08-13 13:41:26,323 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][50], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 44#L27-1true, 14#L62-1true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true]) [2021-08-13 13:41:26,323 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-08-13 13:41:26,323 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,323 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,323 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,323 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 13:41:26,325 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([129] thread2EXIT-->L85: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][77], [48#true, 33#thread5ENTRYtrue, 51#true, 20#L85true, 53#true, 55#true, 56#true, 72#true, 8#L51-1true, 60#(= max (select A 0)), 14#L62-1true, 79#true]) [2021-08-13 13:41:26,325 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 13:41:26,325 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:41:26,325 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 13:41:26,325 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:41:26,330 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([129] thread2EXIT-->L85: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][77], [48#true, 33#thread5ENTRYtrue, 51#true, 20#L85true, 53#true, 55#true, 72#true, 56#true, 8#L51-1true, 60#(= max (select A 0)), 14#L62-1true, 79#true]) [2021-08-13 13:41:26,330 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is not cut-off event [2021-08-13 13:41:26,330 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is not cut-off event [2021-08-13 13:41:26,330 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is not cut-off event [2021-08-13 13:41:26,330 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is not cut-off event [2021-08-13 13:41:26,330 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is not cut-off event [2021-08-13 13:41:26,334 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([130] thread3EXIT-->L86: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar2_4) (= 3 v_thread3Thread1of1ForFork2_thidvar1_4) (= 3 v_thread3Thread1of1ForFork2_thidvar0_4)) InVars {thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_4, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_4, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][110], [48#true, 33#thread5ENTRYtrue, 51#true, 52#true, 55#true, 72#true, 56#true, 40#L86true, 58#true, 14#L62-1true, 79#true]) [2021-08-13 13:41:26,334 INFO L384 tUnfolder$Statistics]: this new event has 23 ancestors and is not cut-off event [2021-08-13 13:41:26,334 INFO L387 tUnfolder$Statistics]: existing Event has 23 ancestors and is not cut-off event [2021-08-13 13:41:26,334 INFO L387 tUnfolder$Statistics]: existing Event has 25 ancestors and is not cut-off event [2021-08-13 13:41:26,334 INFO L387 tUnfolder$Statistics]: existing Event has 23 ancestors and is not cut-off event [2021-08-13 13:41:26,341 INFO L129 PetriNetUnfolder]: 358/890 cut-off events. [2021-08-13 13:41:26,342 INFO L130 PetriNetUnfolder]: For 407/553 co-relation queries the response was YES. [2021-08-13 13:41:26,345 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2016 conditions, 890 events. 358/890 cut-off events. For 407/553 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 5822 event pairs, 4 based on Foata normal form. 30/821 useless extension candidates. Maximal degree in co-relation 1899. Up to 320 conditions per place. [2021-08-13 13:41:26,349 INFO L132 encePairwiseOnDemand]: 34/42 looper letters, 28 selfloop transitions, 15 changer transitions 50/119 dead transitions. [2021-08-13 13:41:26,349 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 119 transitions, 680 flow [2021-08-13 13:41:26,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-13 13:41:26,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-08-13 13:41:26,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 334 transitions. [2021-08-13 13:41:26,352 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8835978835978836 [2021-08-13 13:41:26,352 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 334 transitions. [2021-08-13 13:41:26,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 334 transitions. [2021-08-13 13:41:26,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 13:41:26,352 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 334 transitions. [2021-08-13 13:41:26,353 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 37.111111111111114) internal successors, (334), 9 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:41:26,353 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 42.0) internal successors, (420), 10 states have internal predecessors, (420), 0 states have call successors, (0), 0 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 13:41:26,354 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 42.0) internal successors, (420), 10 states have internal predecessors, (420), 0 states have call successors, (0), 0 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 13:41:26,354 INFO L348 CegarLoopForPetriNet]: 47 programPoint places, 20 predicate places. [2021-08-13 13:41:26,354 INFO L482 AbstractCegarLoop]: Abstraction has has 67 places, 119 transitions, 680 flow [2021-08-13 13:41:26,354 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:41:26,354 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 13:41:26,354 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 13:41:26,354 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-13 13:41:26,354 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-08-13 13:41:26,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 13:41:26,355 INFO L82 PathProgramCache]: Analyzing trace with hash 1060837108, now seen corresponding path program 4 times [2021-08-13 13:41:26,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 13:41:26,355 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546133087] [2021-08-13 13:41:26,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 13:41:26,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 13:41:26,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-08-13 13:41:26,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,375 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 13:41:26,375 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 13:41:26,375 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546133087] [2021-08-13 13:41:26,376 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546133087] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 13:41:26,376 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 13:41:26,376 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 13:41:26,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959094148] [2021-08-13 13:41:26,376 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 13:41:26,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 13:41:26,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 13:41:26,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-13 13:41:26,377 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 42 [2021-08-13 13:41:26,378 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 119 transitions, 680 flow. Second operand has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 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 13:41:26,378 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 13:41:26,378 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 42 [2021-08-13 13:41:26,378 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 13:41:26,406 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][56], [98#(and v_assert (not b1)), 34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 14#L62-1true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true, 26#thread1ENTRYtrue]) [2021-08-13 13:41:26,406 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 13:41:26,406 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 13:41:26,406 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 13:41:26,406 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 13:41:26,408 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][30], [34#L83true, 39#thread5FINALtrue, 8#L51-1true, 44#L27-1true, 77#(and v_assert (not b2)), 14#L62-1true, 79#true, 49#true, 51#true, 19#thread2ENTRYtrue, 53#true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 13:41:26,408 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-08-13 13:41:26,409 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-08-13 13:41:26,409 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-08-13 13:41:26,409 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-08-13 13:41:26,409 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][59], [34#L83true, 39#thread5FINALtrue, 8#L51-1true, 44#L27-1true, 77#(and v_assert (not b2)), 14#L62-1true, 79#true, 49#true, 51#true, 53#true, 22#L38true, 55#true, 57#true, 60#(= max (select A 0)), 93#true]) [2021-08-13 13:41:26,409 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-08-13 13:41:26,409 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 13:41:26,409 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 13:41:26,409 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 13:41:26,410 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][30], [34#L83true, 39#thread5FINALtrue, 8#L51-1true, 44#L27-1true, 77#(and v_assert (not b2)), 14#L62-1true, 79#true, 49#true, 51#true, 19#thread2ENTRYtrue, 53#true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 13:41:26,410 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 13:41:26,410 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 13:41:26,410 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 13:41:26,410 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 13:41:26,410 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 13:41:26,413 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][88], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 44#L27-1true, 14#L62-1true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 13:41:26,413 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,413 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,413 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,413 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,430 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][61], [98#(and v_assert (not b1)), 34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 46#L25true, 14#L62-1true, 81#(= min (select A 0)), 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true]) [2021-08-13 13:41:26,430 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-08-13 13:41:26,430 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 13:41:26,430 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 13:41:26,430 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 13:41:26,431 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][56], [34#L83true, 98#(and v_assert (not b1)), 39#thread5FINALtrue, 72#true, 8#L51-1true, 14#L62-1true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true, 26#thread1ENTRYtrue]) [2021-08-13 13:41:26,431 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-08-13 13:41:26,431 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 13:41:26,431 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 13:41:26,431 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 13:41:26,431 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-08-13 13:41:26,433 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][59], [34#L83true, 39#thread5FINALtrue, 8#L51-1true, 44#L27-1true, 77#(and v_assert (not b2)), 14#L62-1true, 79#true, 49#true, 51#true, 53#true, 22#L38true, 55#true, 57#true, 60#(= max (select A 0)), 93#true]) [2021-08-13 13:41:26,433 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 13:41:26,433 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 13:41:26,433 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 13:41:26,433 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 13:41:26,433 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 13:41:26,434 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][88], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 44#L27-1true, 14#L62-1true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 13:41:26,434 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,434 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,434 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,434 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,434 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,437 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][61], [34#L83true, 98#(and v_assert (not b1)), 39#thread5FINALtrue, 72#true, 8#L51-1true, 46#L25true, 14#L62-1true, 81#(= min (select A 0)), 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true]) [2021-08-13 13:41:26,437 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 13:41:26,437 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 13:41:26,437 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 13:41:26,438 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 13:41:26,438 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-08-13 13:41:26,438 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][88], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 44#L27-1true, 14#L62-1true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 13:41:26,438 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,438 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,438 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,438 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,438 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,438 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,438 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][56], [34#L83true, 98#(and v_assert (not b1)), 39#thread5FINALtrue, 72#true, 8#L51-1true, 46#L25true, 14#L62-1true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true]) [2021-08-13 13:41:26,438 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-08-13 13:41:26,438 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 13:41:26,438 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 13:41:26,439 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-08-13 13:41:26,448 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][80], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 44#L27-1true, 14#L62-1true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 60#(= max (select A 0)), 93#true]) [2021-08-13 13:41:26,448 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is not cut-off event [2021-08-13 13:41:26,448 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-08-13 13:41:26,448 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-08-13 13:41:26,448 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-08-13 13:41:26,448 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][88], [34#L83true, 39#thread5FINALtrue, 8#L51-1true, 72#true, 44#L27-1true, 14#L62-1true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 13:41:26,448 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,449 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,449 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,449 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,449 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,449 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,449 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,450 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][80], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 44#L27-1true, 14#L62-1true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 60#(= max (select A 0)), 93#true]) [2021-08-13 13:41:26,450 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,450 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 13:41:26,450 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,450 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 13:41:26,450 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 13:41:26,451 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][79], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 44#L27-1true, 14#L62-1true, 81#(= min (select A 0)), 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 13:41:26,451 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is not cut-off event [2021-08-13 13:41:26,451 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-08-13 13:41:26,451 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-08-13 13:41:26,451 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-08-13 13:41:26,452 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][79], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 44#L27-1true, 14#L62-1true, 81#(= min (select A 0)), 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 13:41:26,452 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,452 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 13:41:26,452 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 13:41:26,452 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-08-13 13:41:26,452 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,462 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][30], [34#L83true, 39#thread5FINALtrue, 8#L51-1true, 44#L27-1true, 77#(and v_assert (not b2)), 14#L62-1true, 79#true, 49#true, 51#true, 53#true, 22#L38true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 13:41:26,463 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is not cut-off event [2021-08-13 13:41:26,463 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-08-13 13:41:26,463 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-08-13 13:41:26,463 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-08-13 13:41:26,464 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][88], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 44#L27-1true, 14#L62-1true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 13:41:26,464 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-08-13 13:41:26,464 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,464 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,464 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,464 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,464 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,464 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,464 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,474 INFO L382 tUnfolder$Statistics]: inserting event number 9 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][88], [34#L83true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 44#L27-1true, 14#L62-1true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 13:41:26,474 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-08-13 13:41:26,474 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,475 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,475 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-08-13 13:41:26,475 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,475 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,475 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,475 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,475 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:26,475 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([129] thread2EXIT-->L85: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][92], [33#thread5ENTRYtrue, 72#true, 8#L51-1true, 14#L62-1true, 79#true, 48#true, 51#true, 20#L85true, 53#true, 55#true, 56#true, 60#(= max (select A 0)), 93#true]) [2021-08-13 13:41:26,475 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 13:41:26,475 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:41:26,475 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:41:26,475 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 13:41:26,491 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([129] thread2EXIT-->L85: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][92], [33#thread5ENTRYtrue, 72#true, 8#L51-1true, 14#L62-1true, 79#true, 48#true, 51#true, 20#L85true, 53#true, 55#true, 56#true, 60#(= max (select A 0)), 93#true]) [2021-08-13 13:41:26,491 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is not cut-off event [2021-08-13 13:41:26,491 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is not cut-off event [2021-08-13 13:41:26,491 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is not cut-off event [2021-08-13 13:41:26,491 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is not cut-off event [2021-08-13 13:41:26,491 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is not cut-off event [2021-08-13 13:41:26,508 INFO L129 PetriNetUnfolder]: 486/1322 cut-off events. [2021-08-13 13:41:26,508 INFO L130 PetriNetUnfolder]: For 937/1103 co-relation queries the response was YES. [2021-08-13 13:41:26,513 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3051 conditions, 1322 events. 486/1322 cut-off events. For 937/1103 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 10239 event pairs, 20 based on Foata normal form. 12/1204 useless extension candidates. Maximal degree in co-relation 2883. Up to 404 conditions per place. [2021-08-13 13:41:26,516 INFO L132 encePairwiseOnDemand]: 38/42 looper letters, 8 selfloop transitions, 2 changer transitions 65/132 dead transitions. [2021-08-13 13:41:26,516 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 132 transitions, 846 flow [2021-08-13 13:41:26,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 13:41:26,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 13:41:26,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 192 transitions. [2021-08-13 13:41:26,517 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9142857142857143 [2021-08-13 13:41:26,517 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 192 transitions. [2021-08-13 13:41:26,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 192 transitions. [2021-08-13 13:41:26,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 13:41:26,517 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 192 transitions. [2021-08-13 13:41:26,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 38.4) internal successors, (192), 5 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:41:26,518 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 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 13:41:26,519 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 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 13:41:26,519 INFO L348 CegarLoopForPetriNet]: 47 programPoint places, 24 predicate places. [2021-08-13 13:41:26,519 INFO L482 AbstractCegarLoop]: Abstraction has has 71 places, 132 transitions, 846 flow [2021-08-13 13:41:26,519 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 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 13:41:26,519 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 13:41:26,519 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] [2021-08-13 13:41:26,520 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-13 13:41:26,520 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-08-13 13:41:26,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 13:41:26,520 INFO L82 PathProgramCache]: Analyzing trace with hash -1064346144, now seen corresponding path program 1 times [2021-08-13 13:41:26,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 13:41:26,521 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791494274] [2021-08-13 13:41:26,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 13:41:26,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 13:41:26,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,587 INFO L142 QuantifierPusher]: treesize reduction 24, result has 59.3 percent of original size [2021-08-13 13:41:26,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-08-13 13:41:26,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:41:26,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,615 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 13:41:26,615 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 13:41:26,615 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791494274] [2021-08-13 13:41:26,615 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791494274] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 13:41:26,616 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [55052290] [2021-08-13 13:41:26,616 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 13:41:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 13:41:26,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-13 13:41:26,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 13:41:26,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:41:26,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 13:41:26,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:41:26,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 13:41:26,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:26,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:26,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:26,861 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 13:41:26,861 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [55052290] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 13:41:26,861 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-13 13:41:26,861 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2021-08-13 13:41:26,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680522184] [2021-08-13 13:41:26,861 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 13:41:26,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 13:41:26,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 13:41:26,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-08-13 13:41:26,862 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 42 [2021-08-13 13:41:26,862 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 132 transitions, 846 flow. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 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 13:41:26,862 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 13:41:26,863 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 42 [2021-08-13 13:41:26,863 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 13:41:28,062 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][115], [34#L83true, 100#true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 44#L27-1true, 14#L62-1true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 13:41:28,063 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-08-13 13:41:28,063 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:28,063 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:28,063 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:28,724 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][115], [34#L83true, 100#true, 39#thread5FINALtrue, 72#true, 44#L27-1true, 14#L62-1true, 79#true, 15#L51true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 13:41:28,724 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-08-13 13:41:28,724 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 13:41:28,725 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 13:41:28,725 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 13:41:28,747 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][115], [34#L83true, 36#thread3FINALtrue, 100#true, 39#thread5FINALtrue, 72#true, 44#L27-1true, 14#L62-1true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 13:41:28,748 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-08-13 13:41:28,748 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 13:41:28,748 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 13:41:28,748 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 13:41:29,505 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([114] L62-->L62-1: Formula: (and (= (store v_A_14 v_l_8 (+ (select v_A_14 v_l_8) (- 1))) v_A_13) (= v_l_7 (+ v_l_8 1))) InVars {A=v_A_14, l=v_l_8} OutVars{A=v_A_13, l=v_l_7} AuxVars[] AssignedVars[A, l][54], [34#L83true, 100#true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 9#thread1FINALtrue, 14#L62-1true, 79#true, 49#true, 51#true, 53#true, 21#L40-1true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 13:41:29,505 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-08-13 13:41:29,506 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 13:41:29,506 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 13:41:29,506 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 13:41:30,837 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([104] L40-1-->L40: Formula: (< v_j_1 v_N_3) InVars {N=v_N_3, j=v_j_1} OutVars{N=v_N_3, j=v_j_1} AuxVars[] AssignedVars[][32], [34#L83true, 194#(and (<= l i) (< l N)), 39#thread5FINALtrue, 8#L51-1true, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 49#true, 18#L40true, 51#true, 83#v_assert, 53#true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 13:41:30,838 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 13:41:30,838 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:41:30,838 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:41:30,838 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:41:30,838 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([105] L40-1-->thread2FINAL: Formula: (not (< v_j_5 v_N_4)) InVars {N=v_N_4, j=v_j_5} OutVars{N=v_N_4, j=v_j_5} AuxVars[] AssignedVars[][33], [34#L83true, 194#(and (<= l i) (< l N)), 39#thread5FINALtrue, 8#L51-1true, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 49#true, 51#true, 83#v_assert, 53#true, 55#true, 57#true, 58#true, 93#true, 30#thread2FINALtrue]) [2021-08-13 13:41:30,838 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 13:41:30,838 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:41:30,838 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:41:30,838 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:41:30,883 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([104] L40-1-->L40: Formula: (< v_j_1 v_N_3) InVars {N=v_N_3, j=v_j_1} OutVars{N=v_N_3, j=v_j_1} AuxVars[] AssignedVars[][32], [96#v_assert, 34#L83true, 194#(and (<= l i) (< l N)), 39#thread5FINALtrue, 8#L51-1true, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 49#true, 18#L40true, 51#true, 83#v_assert, 53#true, 55#true, 57#true, 58#true]) [2021-08-13 13:41:30,883 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 13:41:30,883 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:41:30,883 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:41:30,883 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:41:30,883 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([105] L40-1-->thread2FINAL: Formula: (not (< v_j_5 v_N_4)) InVars {N=v_N_4, j=v_j_5} OutVars{N=v_N_4, j=v_j_5} AuxVars[] AssignedVars[][33], [96#v_assert, 34#L83true, 194#(and (<= l i) (< l N)), 39#thread5FINALtrue, 8#L51-1true, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 49#true, 51#true, 83#v_assert, 53#true, 55#true, 57#true, 58#true, 30#thread2FINALtrue]) [2021-08-13 13:41:30,883 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 13:41:30,883 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:41:30,883 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:41:30,883 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:41:30,911 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([104] L40-1-->L40: Formula: (< v_j_1 v_N_3) InVars {N=v_N_3, j=v_j_1} OutVars{N=v_N_3, j=v_j_1} AuxVars[] AssignedVars[][32], [34#L83true, 194#(and (<= l i) (< l N)), 39#thread5FINALtrue, 8#L51-1true, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 79#true, 49#true, 18#L40true, 51#true, 53#true, 55#true, 57#true, 93#true, 62#v_assert]) [2021-08-13 13:41:30,912 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 13:41:30,912 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:41:30,912 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:41:30,912 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:41:30,912 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([105] L40-1-->thread2FINAL: Formula: (not (< v_j_5 v_N_4)) InVars {N=v_N_4, j=v_j_5} OutVars{N=v_N_4, j=v_j_5} AuxVars[] AssignedVars[][33], [34#L83true, 194#(and (<= l i) (< l N)), 39#thread5FINALtrue, 8#L51-1true, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 79#true, 49#true, 51#true, 53#true, 55#true, 57#true, 93#true, 62#v_assert, 30#thread2FINALtrue]) [2021-08-13 13:41:30,912 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 13:41:30,912 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:41:30,912 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:41:30,912 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:41:30,941 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([104] L40-1-->L40: Formula: (< v_j_1 v_N_3) InVars {N=v_N_3, j=v_j_1} OutVars{N=v_N_3, j=v_j_1} AuxVars[] AssignedVars[][32], [96#v_assert, 34#L83true, 194#(and (<= l i) (< l N)), 39#thread5FINALtrue, 8#L51-1true, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 79#true, 49#true, 18#L40true, 51#true, 53#true, 55#true, 57#true, 62#v_assert]) [2021-08-13 13:41:30,941 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 13:41:30,941 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:41:30,941 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:41:30,942 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:41:30,942 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([105] L40-1-->thread2FINAL: Formula: (not (< v_j_5 v_N_4)) InVars {N=v_N_4, j=v_j_5} OutVars{N=v_N_4, j=v_j_5} AuxVars[] AssignedVars[][33], [96#v_assert, 34#L83true, 194#(and (<= l i) (< l N)), 39#thread5FINALtrue, 8#L51-1true, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 79#true, 49#true, 51#true, 53#true, 55#true, 57#true, 62#v_assert, 30#thread2FINALtrue]) [2021-08-13 13:41:30,942 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 13:41:30,942 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:41:30,942 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:41:30,942 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:41:30,968 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([104] L40-1-->L40: Formula: (< v_j_1 v_N_3) InVars {N=v_N_3, j=v_j_1} OutVars{N=v_N_3, j=v_j_1} AuxVars[] AssignedVars[][32], [34#L83true, 194#(and (<= l i) (< l N)), 39#thread5FINALtrue, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 15#L51true, 49#true, 18#L40true, 83#v_assert, 51#true, 53#true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 13:41:30,968 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 13:41:30,968 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,968 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,968 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,968 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([105] L40-1-->thread2FINAL: Formula: (not (< v_j_5 v_N_4)) InVars {N=v_N_4, j=v_j_5} OutVars{N=v_N_4, j=v_j_5} AuxVars[] AssignedVars[][33], [34#L83true, 194#(and (<= l i) (< l N)), 39#thread5FINALtrue, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 15#L51true, 49#true, 83#v_assert, 51#true, 53#true, 55#true, 57#true, 58#true, 93#true, 30#thread2FINALtrue]) [2021-08-13 13:41:30,968 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 13:41:30,968 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,968 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,968 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,969 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([104] L40-1-->L40: Formula: (< v_j_1 v_N_3) InVars {N=v_N_3, j=v_j_1} OutVars{N=v_N_3, j=v_j_1} AuxVars[] AssignedVars[][32], [34#L83true, 194#(and (<= l i) (< l N)), 36#thread3FINALtrue, 39#thread5FINALtrue, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 49#true, 18#L40true, 51#true, 83#v_assert, 53#true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 13:41:30,969 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 13:41:30,969 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,969 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,969 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,970 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([105] L40-1-->thread2FINAL: Formula: (not (< v_j_5 v_N_4)) InVars {N=v_N_4, j=v_j_5} OutVars{N=v_N_4, j=v_j_5} AuxVars[] AssignedVars[][33], [34#L83true, 194#(and (<= l i) (< l N)), 36#thread3FINALtrue, 39#thread5FINALtrue, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 49#true, 51#true, 83#v_assert, 53#true, 55#true, 57#true, 58#true, 93#true, 30#thread2FINALtrue]) [2021-08-13 13:41:30,970 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 13:41:30,970 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,970 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,970 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,980 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([104] L40-1-->L40: Formula: (< v_j_1 v_N_3) InVars {N=v_N_3, j=v_j_1} OutVars{N=v_N_3, j=v_j_1} AuxVars[] AssignedVars[][32], [96#v_assert, 194#(and (<= l i) (< l N)), 34#L83true, 39#thread5FINALtrue, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 15#L51true, 49#true, 18#L40true, 51#true, 83#v_assert, 53#true, 55#true, 57#true, 58#true]) [2021-08-13 13:41:30,980 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 13:41:30,980 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,980 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,980 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,980 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([105] L40-1-->thread2FINAL: Formula: (not (< v_j_5 v_N_4)) InVars {N=v_N_4, j=v_j_5} OutVars{N=v_N_4, j=v_j_5} AuxVars[] AssignedVars[][33], [96#v_assert, 194#(and (<= l i) (< l N)), 34#L83true, 39#thread5FINALtrue, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 15#L51true, 49#true, 51#true, 83#v_assert, 53#true, 55#true, 57#true, 58#true, 30#thread2FINALtrue]) [2021-08-13 13:41:30,980 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 13:41:30,981 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,981 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,981 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,982 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([104] L40-1-->L40: Formula: (< v_j_1 v_N_3) InVars {N=v_N_3, j=v_j_1} OutVars{N=v_N_3, j=v_j_1} AuxVars[] AssignedVars[][32], [96#v_assert, 34#L83true, 194#(and (<= l i) (< l N)), 36#thread3FINALtrue, 39#thread5FINALtrue, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 49#true, 18#L40true, 83#v_assert, 51#true, 53#true, 55#true, 57#true, 58#true]) [2021-08-13 13:41:30,982 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 13:41:30,982 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,982 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,982 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,982 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([105] L40-1-->thread2FINAL: Formula: (not (< v_j_5 v_N_4)) InVars {N=v_N_4, j=v_j_5} OutVars{N=v_N_4, j=v_j_5} AuxVars[] AssignedVars[][33], [96#v_assert, 34#L83true, 194#(and (<= l i) (< l N)), 36#thread3FINALtrue, 39#thread5FINALtrue, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 49#true, 83#v_assert, 51#true, 53#true, 55#true, 57#true, 58#true, 30#thread2FINALtrue]) [2021-08-13 13:41:30,982 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 13:41:30,982 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,982 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,982 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,989 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([104] L40-1-->L40: Formula: (< v_j_1 v_N_3) InVars {N=v_N_3, j=v_j_1} OutVars{N=v_N_3, j=v_j_1} AuxVars[] AssignedVars[][32], [194#(and (<= l i) (< l N)), 34#L83true, 39#thread5FINALtrue, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 79#true, 15#L51true, 49#true, 18#L40true, 51#true, 53#true, 55#true, 57#true, 93#true, 62#v_assert]) [2021-08-13 13:41:30,989 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 13:41:30,989 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,989 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,989 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,989 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([105] L40-1-->thread2FINAL: Formula: (not (< v_j_5 v_N_4)) InVars {N=v_N_4, j=v_j_5} OutVars{N=v_N_4, j=v_j_5} AuxVars[] AssignedVars[][33], [34#L83true, 194#(and (<= l i) (< l N)), 39#thread5FINALtrue, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 79#true, 15#L51true, 49#true, 51#true, 53#true, 55#true, 57#true, 93#true, 62#v_assert, 30#thread2FINALtrue]) [2021-08-13 13:41:30,990 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 13:41:30,990 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,990 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,990 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,991 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([104] L40-1-->L40: Formula: (< v_j_1 v_N_3) InVars {N=v_N_3, j=v_j_1} OutVars{N=v_N_3, j=v_j_1} AuxVars[] AssignedVars[][32], [194#(and (<= l i) (< l N)), 34#L83true, 36#thread3FINALtrue, 39#thread5FINALtrue, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 79#true, 49#true, 18#L40true, 51#true, 53#true, 55#true, 57#true, 93#true, 62#v_assert]) [2021-08-13 13:41:30,991 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 13:41:30,991 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,991 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,991 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,991 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([105] L40-1-->thread2FINAL: Formula: (not (< v_j_5 v_N_4)) InVars {N=v_N_4, j=v_j_5} OutVars{N=v_N_4, j=v_j_5} AuxVars[] AssignedVars[][33], [194#(and (<= l i) (< l N)), 34#L83true, 36#thread3FINALtrue, 39#thread5FINALtrue, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 79#true, 49#true, 51#true, 53#true, 55#true, 57#true, 93#true, 30#thread2FINALtrue, 62#v_assert]) [2021-08-13 13:41:30,991 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 13:41:30,991 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,991 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,991 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,998 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([104] L40-1-->L40: Formula: (< v_j_1 v_N_3) InVars {N=v_N_3, j=v_j_1} OutVars{N=v_N_3, j=v_j_1} AuxVars[] AssignedVars[][32], [96#v_assert, 34#L83true, 194#(and (<= l i) (< l N)), 39#thread5FINALtrue, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 79#true, 15#L51true, 49#true, 18#L40true, 51#true, 53#true, 55#true, 57#true, 62#v_assert]) [2021-08-13 13:41:30,998 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 13:41:30,998 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,998 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,998 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,999 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([105] L40-1-->thread2FINAL: Formula: (not (< v_j_5 v_N_4)) InVars {N=v_N_4, j=v_j_5} OutVars{N=v_N_4, j=v_j_5} AuxVars[] AssignedVars[][33], [96#v_assert, 194#(and (<= l i) (< l N)), 34#L83true, 39#thread5FINALtrue, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 79#true, 15#L51true, 49#true, 51#true, 53#true, 55#true, 57#true, 62#v_assert, 30#thread2FINALtrue]) [2021-08-13 13:41:30,999 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 13:41:30,999 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,999 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:30,999 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:31,000 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([104] L40-1-->L40: Formula: (< v_j_1 v_N_3) InVars {N=v_N_3, j=v_j_1} OutVars{N=v_N_3, j=v_j_1} AuxVars[] AssignedVars[][32], [96#v_assert, 34#L83true, 194#(and (<= l i) (< l N)), 36#thread3FINALtrue, 39#thread5FINALtrue, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 79#true, 49#true, 18#L40true, 51#true, 53#true, 55#true, 57#true, 62#v_assert]) [2021-08-13 13:41:31,000 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 13:41:31,000 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:31,000 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:31,000 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:31,000 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([105] L40-1-->thread2FINAL: Formula: (not (< v_j_5 v_N_4)) InVars {N=v_N_4, j=v_j_5} OutVars{N=v_N_4, j=v_j_5} AuxVars[] AssignedVars[][33], [96#v_assert, 34#L83true, 194#(and (<= l i) (< l N)), 36#thread3FINALtrue, 39#thread5FINALtrue, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 79#true, 49#true, 51#true, 53#true, 55#true, 57#true, 62#v_assert, 30#thread2FINALtrue]) [2021-08-13 13:41:31,000 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 13:41:31,000 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:31,000 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:31,000 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:31,054 INFO L129 PetriNetUnfolder]: 30240/46706 cut-off events. [2021-08-13 13:41:31,054 INFO L130 PetriNetUnfolder]: For 17342/28629 co-relation queries the response was YES. [2021-08-13 13:41:31,356 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111865 conditions, 46706 events. 30240/46706 cut-off events. For 17342/28629 co-relation queries the response was YES. Maximal size of possible extension queue 4382. Compared 401742 event pairs, 4534 based on Foata normal form. 491/31107 useless extension candidates. Maximal degree in co-relation 111507. Up to 15186 conditions per place. [2021-08-13 13:41:31,549 INFO L132 encePairwiseOnDemand]: 36/42 looper letters, 76 selfloop transitions, 39 changer transitions 0/204 dead transitions. [2021-08-13 13:41:31,549 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 204 transitions, 1424 flow [2021-08-13 13:41:31,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 13:41:31,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 13:41:31,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 186 transitions. [2021-08-13 13:41:31,550 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8857142857142857 [2021-08-13 13:41:31,550 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 186 transitions. [2021-08-13 13:41:31,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 186 transitions. [2021-08-13 13:41:31,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 13:41:31,550 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 186 transitions. [2021-08-13 13:41:31,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 37.2) internal successors, (186), 5 states have internal predecessors, (186), 0 states have call successors, (0), 0 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 13:41:31,551 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 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 13:41:31,551 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 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 13:41:31,552 INFO L348 CegarLoopForPetriNet]: 47 programPoint places, 28 predicate places. [2021-08-13 13:41:31,552 INFO L482 AbstractCegarLoop]: Abstraction has has 75 places, 204 transitions, 1424 flow [2021-08-13 13:41:31,552 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 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 13:41:31,552 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 13:41:31,552 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] [2021-08-13 13:41:31,767 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 13:41:31,767 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-08-13 13:41:31,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 13:41:31,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1018881332, now seen corresponding path program 1 times [2021-08-13 13:41:31,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 13:41:31,768 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537226286] [2021-08-13 13:41:31,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 13:41:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 13:41:31,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:31,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:41:31,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:31,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:31,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:31,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:31,794 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 13:41:31,794 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 13:41:31,794 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537226286] [2021-08-13 13:41:31,794 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537226286] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 13:41:31,794 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 13:41:31,794 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 13:41:31,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543176699] [2021-08-13 13:41:31,795 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 13:41:31,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 13:41:31,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 13:41:31,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-13 13:41:31,796 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 42 [2021-08-13 13:41:31,796 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 204 transitions, 1424 flow. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 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 13:41:31,796 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 13:41:31,796 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 42 [2021-08-13 13:41:31,796 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 13:41:33,137 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][186], [34#L83true, 100#true, 196#true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 44#L27-1true, 14#L62-1true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 13:41:33,137 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-08-13 13:41:33,137 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:33,138 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:33,138 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-08-13 13:41:33,742 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([116] thread5ENTRY-->thread5FINAL: Formula: (let ((.cse0 (<= v_min_4 (+ v_max_4 1)))) (or (and (or (not v_b2_3) .cse0 (not v_b1_3)) v_v_assert_3) (and (not v_v_assert_3) v_b1_3 v_b2_3 (not .cse0)))) InVars {b2=v_b2_3, b1=v_b1_3, min=v_min_4, max=v_max_4} OutVars{b2=v_b2_3, v_assert=v_v_assert_3, b1=v_b1_3, min=v_min_4, max=v_max_4} AuxVars[] AssignedVars[v_assert][186], [194#(and (<= l i) (< l N)), 34#L83true, 196#true, 39#thread5FINALtrue, 72#true, 8#L51-1true, 44#L27-1true, 12#L62true, 79#true, 49#true, 51#true, 21#L40-1true, 53#true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 13:41:33,742 INFO L384 tUnfolder$Statistics]: this new event has 18 ancestors and is cut-off event [2021-08-13 13:41:33,743 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 13:41:33,743 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 13:41:33,743 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-08-13 13:41:36,933 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([105] L40-1-->thread2FINAL: Formula: (not (< v_j_5 v_N_4)) InVars {N=v_N_4, j=v_j_5} OutVars{N=v_N_4, j=v_j_5} AuxVars[] AssignedVars[][149], [194#(and (<= l i) (< l N)), 34#L83true, 196#true, 39#thread5FINALtrue, 8#L51-1true, 75#v_assert, 47#thread4FINALtrue, 79#true, 49#true, 51#true, 53#true, 55#true, 57#true, 28#L27true, 93#true, 62#v_assert, 30#thread2FINALtrue]) [2021-08-13 13:41:36,933 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 13:41:36,933 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 13:41:36,933 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:41:36,933 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:41:36,933 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([104] L40-1-->L40: Formula: (< v_j_1 v_N_3) InVars {N=v_N_3, j=v_j_1} OutVars{N=v_N_3, j=v_j_1} AuxVars[] AssignedVars[][150], [194#(and (<= l i) (< l N)), 34#L83true, 196#true, 39#thread5FINALtrue, 8#L51-1true, 75#v_assert, 47#thread4FINALtrue, 79#true, 49#true, 18#L40true, 51#true, 53#true, 55#true, 57#true, 28#L27true, 93#true, 62#v_assert]) [2021-08-13 13:41:36,933 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 13:41:36,933 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 13:41:36,933 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:41:36,933 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:41:37,000 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([105] L40-1-->thread2FINAL: Formula: (not (< v_j_5 v_N_4)) InVars {N=v_N_4, j=v_j_5} OutVars{N=v_N_4, j=v_j_5} AuxVars[] AssignedVars[][149], [96#v_assert, 194#(and (<= l i) (< l N)), 34#L83true, 196#true, 39#thread5FINALtrue, 8#L51-1true, 75#v_assert, 79#true, 47#thread4FINALtrue, 49#true, 51#true, 53#true, 55#true, 57#true, 28#L27true, 62#v_assert, 30#thread2FINALtrue]) [2021-08-13 13:41:37,000 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 13:41:37,001 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 13:41:37,001 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:41:37,001 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:41:37,001 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([104] L40-1-->L40: Formula: (< v_j_1 v_N_3) InVars {N=v_N_3, j=v_j_1} OutVars{N=v_N_3, j=v_j_1} AuxVars[] AssignedVars[][150], [96#v_assert, 194#(and (<= l i) (< l N)), 34#L83true, 196#true, 39#thread5FINALtrue, 8#L51-1true, 75#v_assert, 79#true, 47#thread4FINALtrue, 49#true, 18#L40true, 51#true, 53#true, 55#true, 57#true, 28#L27true, 62#v_assert]) [2021-08-13 13:41:37,001 INFO L384 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2021-08-13 13:41:37,001 INFO L387 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2021-08-13 13:41:37,001 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:41:37,001 INFO L387 tUnfolder$Statistics]: existing Event has 18 ancestors and is cut-off event [2021-08-13 13:41:37,015 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([104] L40-1-->L40: Formula: (< v_j_1 v_N_3) InVars {N=v_N_3, j=v_j_1} OutVars{N=v_N_3, j=v_j_1} AuxVars[] AssignedVars[][165], [34#L83true, 36#thread3FINALtrue, 100#true, 199#(<= N k), 39#thread5FINALtrue, 75#v_assert, 47#thread4FINALtrue, 79#true, 49#true, 18#L40true, 51#true, 53#true, 55#true, 57#true, 58#true, 28#L27true, 93#true]) [2021-08-13 13:41:37,015 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 13:41:37,015 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:37,016 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:37,016 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:37,016 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([105] L40-1-->thread2FINAL: Formula: (not (< v_j_5 v_N_4)) InVars {N=v_N_4, j=v_j_5} OutVars{N=v_N_4, j=v_j_5} AuxVars[] AssignedVars[][166], [34#L83true, 36#thread3FINALtrue, 100#true, 39#thread5FINALtrue, 199#(<= N k), 75#v_assert, 47#thread4FINALtrue, 79#true, 49#true, 51#true, 53#true, 55#true, 57#true, 58#true, 28#L27true, 93#true, 30#thread2FINALtrue]) [2021-08-13 13:41:37,016 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 13:41:37,016 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:37,016 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:37,016 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:37,017 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([104] L40-1-->L40: Formula: (< v_j_1 v_N_3) InVars {N=v_N_3, j=v_j_1} OutVars{N=v_N_3, j=v_j_1} AuxVars[] AssignedVars[][200], [34#L83true, 36#thread3FINALtrue, 199#(<= N k), 39#thread5FINALtrue, 75#v_assert, 12#L62true, 79#true, 49#true, 18#L40true, 51#true, 53#true, 55#true, 57#true, 58#true, 123#(< l N), 28#L27true, 93#true]) [2021-08-13 13:41:37,017 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 13:41:37,017 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:37,017 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:37,017 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:37,017 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([105] L40-1-->thread2FINAL: Formula: (not (< v_j_5 v_N_4)) InVars {N=v_N_4, j=v_j_5} OutVars{N=v_N_4, j=v_j_5} AuxVars[] AssignedVars[][201], [34#L83true, 36#thread3FINALtrue, 39#thread5FINALtrue, 199#(<= N k), 75#v_assert, 12#L62true, 79#true, 49#true, 51#true, 53#true, 55#true, 57#true, 58#true, 123#(< l N), 28#L27true, 93#true, 30#thread2FINALtrue]) [2021-08-13 13:41:37,017 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 13:41:37,017 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:37,017 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:37,017 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:37,026 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([105] L40-1-->thread2FINAL: Formula: (not (< v_j_5 v_N_4)) InVars {N=v_N_4, j=v_j_5} OutVars{N=v_N_4, j=v_j_5} AuxVars[] AssignedVars[][149], [194#(and (<= l i) (< l N)), 34#L83true, 196#true, 39#thread5FINALtrue, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 15#L51true, 49#true, 83#v_assert, 51#true, 53#true, 55#true, 57#true, 58#true, 93#true, 30#thread2FINALtrue]) [2021-08-13 13:41:37,026 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 13:41:37,026 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:37,026 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:37,026 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 13:41:37,027 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([104] L40-1-->L40: Formula: (< v_j_1 v_N_3) InVars {N=v_N_3, j=v_j_1} OutVars{N=v_N_3, j=v_j_1} AuxVars[] AssignedVars[][150], [194#(and (<= l i) (< l N)), 34#L83true, 196#true, 39#thread5FINALtrue, 9#thread1FINALtrue, 75#v_assert, 12#L62true, 15#L51true, 49#true, 18#L40true, 83#v_assert, 51#true, 53#true, 55#true, 57#true, 58#true, 93#true]) [2021-08-13 13:41:37,027 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 13:41:37,027 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:37,027 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:37,027 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 13:41:37,089 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([105] L40-1-->thread2FINAL: Formula: (not (< v_j_5 v_N_4)) InVars {N=v_N_4, j=v_j_5} OutVars{N=v_N_4, j=v_j_5} AuxVars[] AssignedVars[][149], [34#L83true, 194#(and (<= l i) (< l N)), 196#true, 39#thread5FINALtrue, 75#v_assert, 47#thread4FINALtrue, 79#true, 15#L51true, 49#true, 51#true, 53#true, 55#true, 57#true, 28#L27true, 93#true, 62#v_assert, 30#thread2FINALtrue]) [2021-08-13 13:41:37,090 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 13:41:37,090 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 13:41:37,090 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:37,090 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:37,090 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([104] L40-1-->L40: Formula: (< v_j_1 v_N_3) InVars {N=v_N_3, j=v_j_1} OutVars{N=v_N_3, j=v_j_1} AuxVars[] AssignedVars[][150], [194#(and (<= l i) (< l N)), 34#L83true, 196#true, 39#thread5FINALtrue, 75#v_assert, 47#thread4FINALtrue, 79#true, 15#L51true, 49#true, 18#L40true, 51#true, 53#true, 55#true, 57#true, 28#L27true, 93#true, 62#v_assert]) [2021-08-13 13:41:37,090 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 13:41:37,090 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 13:41:37,090 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:37,090 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:37,108 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([105] L40-1-->thread2FINAL: Formula: (not (< v_j_5 v_N_4)) InVars {N=v_N_4, j=v_j_5} OutVars{N=v_N_4, j=v_j_5} AuxVars[] AssignedVars[][149], [96#v_assert, 194#(and (<= l i) (< l N)), 34#L83true, 196#true, 39#thread5FINALtrue, 75#v_assert, 15#L51true, 47#thread4FINALtrue, 79#true, 49#true, 51#true, 53#true, 55#true, 57#true, 28#L27true, 30#thread2FINALtrue, 62#v_assert]) [2021-08-13 13:41:37,109 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 13:41:37,109 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 13:41:37,109 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:37,109 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:37,109 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([104] L40-1-->L40: Formula: (< v_j_1 v_N_3) InVars {N=v_N_3, j=v_j_1} OutVars{N=v_N_3, j=v_j_1} AuxVars[] AssignedVars[][150], [96#v_assert, 194#(and (<= l i) (< l N)), 34#L83true, 196#true, 39#thread5FINALtrue, 75#v_assert, 15#L51true, 47#thread4FINALtrue, 79#true, 49#true, 18#L40true, 51#true, 53#true, 55#true, 57#true, 28#L27true, 62#v_assert]) [2021-08-13 13:41:37,109 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-08-13 13:41:37,109 INFO L387 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2021-08-13 13:41:37,109 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:37,109 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-08-13 13:41:37,346 INFO L129 PetriNetUnfolder]: 44504/69475 cut-off events. [2021-08-13 13:41:37,346 INFO L130 PetriNetUnfolder]: For 47085/80549 co-relation queries the response was YES. [2021-08-13 13:41:37,646 INFO L84 FinitePrefix]: Finished finitePrefix Result has 218277 conditions, 69475 events. 44504/69475 cut-off events. For 47085/80549 co-relation queries the response was YES. Maximal size of possible extension queue 6246. Compared 636264 event pairs, 4563 based on Foata normal form. 557/48658 useless extension candidates. Maximal degree in co-relation 217801. Up to 28267 conditions per place. [2021-08-13 13:41:37,771 INFO L132 encePairwiseOnDemand]: 35/42 looper letters, 124 selfloop transitions, 38 changer transitions 74/339 dead transitions. [2021-08-13 13:41:37,771 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 339 transitions, 2688 flow [2021-08-13 13:41:37,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 13:41:37,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 13:41:37,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 190 transitions. [2021-08-13 13:41:37,772 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9047619047619048 [2021-08-13 13:41:37,773 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 190 transitions. [2021-08-13 13:41:37,773 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 190 transitions. [2021-08-13 13:41:37,773 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 13:41:37,773 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 190 transitions. [2021-08-13 13:41:37,773 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 38.0) internal successors, (190), 5 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:41:37,774 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 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 13:41:37,774 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 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 13:41:37,774 INFO L348 CegarLoopForPetriNet]: 47 programPoint places, 32 predicate places. [2021-08-13 13:41:37,774 INFO L482 AbstractCegarLoop]: Abstraction has has 79 places, 339 transitions, 2688 flow [2021-08-13 13:41:37,774 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 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 13:41:37,774 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 13:41:37,774 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] [2021-08-13 13:41:37,774 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-13 13:41:37,774 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-08-13 13:41:37,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 13:41:37,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1077523194, now seen corresponding path program 1 times [2021-08-13 13:41:37,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 13:41:37,775 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907517076] [2021-08-13 13:41:37,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 13:41:37,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 13:41:37,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,816 INFO L142 QuantifierPusher]: treesize reduction 28, result has 45.1 percent of original size [2021-08-13 13:41:37,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 13:41:37,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-13 13:41:37,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,843 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 13:41:37,843 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 13:41:37,843 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907517076] [2021-08-13 13:41:37,843 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907517076] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-13 13:41:37,843 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460259566] [2021-08-13 13:41:37,843 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 13:41:37,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 13:41:37,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-13 13:41:37,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-13 13:41:37,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:41:37,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-08-13 13:41:37,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:41:37,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-08-13 13:41:37,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:37,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:37,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:37,982 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 13:41:37,982 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [460259566] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 13:41:37,982 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-13 13:41:37,982 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2021-08-13 13:41:37,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620870402] [2021-08-13 13:41:37,983 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 13:41:37,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 13:41:37,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 13:41:37,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-08-13 13:41:37,983 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 42 [2021-08-13 13:41:37,984 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 339 transitions, 2688 flow. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 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 13:41:37,984 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 13:41:37,984 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 42 [2021-08-13 13:41:37,984 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 13:41:45,138 INFO L129 PetriNetUnfolder]: 55690/85674 cut-off events. [2021-08-13 13:41:45,138 INFO L130 PetriNetUnfolder]: For 85880/143660 co-relation queries the response was YES. [2021-08-13 13:41:45,473 INFO L84 FinitePrefix]: Finished finitePrefix Result has 330183 conditions, 85674 events. 55690/85674 cut-off events. For 85880/143660 co-relation queries the response was YES. Maximal size of possible extension queue 6611. Compared 761970 event pairs, 2262 based on Foata normal form. 308/63536 useless extension candidates. Maximal degree in co-relation 329607. Up to 33432 conditions per place. [2021-08-13 13:41:45,603 INFO L132 encePairwiseOnDemand]: 36/42 looper letters, 192 selfloop transitions, 68 changer transitions 124/510 dead transitions. [2021-08-13 13:41:45,603 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 510 transitions, 4386 flow [2021-08-13 13:41:45,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 13:41:45,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 13:41:45,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 186 transitions. [2021-08-13 13:41:45,605 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8857142857142857 [2021-08-13 13:41:45,605 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 186 transitions. [2021-08-13 13:41:45,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 186 transitions. [2021-08-13 13:41:45,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 13:41:45,605 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 186 transitions. [2021-08-13 13:41:45,605 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 37.2) internal successors, (186), 5 states have internal predecessors, (186), 0 states have call successors, (0), 0 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 13:41:45,606 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 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 13:41:45,606 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 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 13:41:45,606 INFO L348 CegarLoopForPetriNet]: 47 programPoint places, 36 predicate places. [2021-08-13 13:41:45,606 INFO L482 AbstractCegarLoop]: Abstraction has has 83 places, 510 transitions, 4386 flow [2021-08-13 13:41:45,606 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 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 13:41:45,606 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 13:41:45,606 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] [2021-08-13 13:41:45,807 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-13 13:41:45,807 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-08-13 13:41:45,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 13:41:45,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1723693652, now seen corresponding path program 2 times [2021-08-13 13:41:45,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 13:41:45,807 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225568834] [2021-08-13 13:41:45,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 13:41:45,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 13:41:45,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:45,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:41:45,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:45,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:41:45,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:45,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:45,852 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 13:41:45,852 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 13:41:45,852 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225568834] [2021-08-13 13:41:45,852 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225568834] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 13:41:45,852 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 13:41:45,852 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 13:41:45,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491211391] [2021-08-13 13:41:45,853 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 13:41:45,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 13:41:45,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 13:41:45,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-13 13:41:45,853 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 42 [2021-08-13 13:41:45,854 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 510 transitions, 4386 flow. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 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 13:41:45,854 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 13:41:45,854 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 42 [2021-08-13 13:41:45,854 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 13:41:57,816 INFO L129 PetriNetUnfolder]: 71536/112077 cut-off events. [2021-08-13 13:41:57,816 INFO L130 PetriNetUnfolder]: For 152941/300785 co-relation queries the response was YES. [2021-08-13 13:41:58,270 INFO L84 FinitePrefix]: Finished finitePrefix Result has 505443 conditions, 112077 events. 71536/112077 cut-off events. For 152941/300785 co-relation queries the response was YES. Maximal size of possible extension queue 9055. Compared 1058564 event pairs, 2571 based on Foata normal form. 1608/85462 useless extension candidates. Maximal degree in co-relation 504715. Up to 45429 conditions per place. [2021-08-13 13:41:58,633 INFO L132 encePairwiseOnDemand]: 35/42 looper letters, 394 selfloop transitions, 112 changer transitions 221/849 dead transitions. [2021-08-13 13:41:58,633 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 849 transitions, 8730 flow [2021-08-13 13:41:58,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 13:41:58,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 13:41:58,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 190 transitions. [2021-08-13 13:41:58,634 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9047619047619048 [2021-08-13 13:41:58,634 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 190 transitions. [2021-08-13 13:41:58,634 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 190 transitions. [2021-08-13 13:41:58,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 13:41:58,634 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 190 transitions. [2021-08-13 13:41:58,635 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 38.0) internal successors, (190), 5 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 13:41:58,635 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 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 13:41:58,635 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 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 13:41:58,635 INFO L348 CegarLoopForPetriNet]: 47 programPoint places, 40 predicate places. [2021-08-13 13:41:58,635 INFO L482 AbstractCegarLoop]: Abstraction has has 87 places, 849 transitions, 8730 flow [2021-08-13 13:41:58,635 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 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 13:41:58,636 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 13:41:58,636 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] [2021-08-13 13:41:58,636 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-13 13:41:58,636 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-08-13 13:41:58,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 13:41:58,636 INFO L82 PathProgramCache]: Analyzing trace with hash 327706390, now seen corresponding path program 3 times [2021-08-13 13:41:58,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 13:41:58,636 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491791369] [2021-08-13 13:41:58,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 13:41:58,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 13:41:58,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:58,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:41:58,655 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-08-13 13:41:58,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 13:41:58,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:41:58,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:41:58,660 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 13:41:58,660 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 13:41:58,660 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491791369] [2021-08-13 13:41:58,660 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491791369] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 13:41:58,660 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 13:41:58,660 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 13:41:58,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337290586] [2021-08-13 13:41:58,660 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 13:41:58,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 13:41:58,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 13:41:58,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-13 13:41:58,661 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 42 [2021-08-13 13:41:58,661 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 849 transitions, 8730 flow. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 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 13:41:58,661 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 13:41:58,661 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 42 [2021-08-13 13:41:58,661 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 13:42:11,902 INFO L129 PetriNetUnfolder]: 65614/102151 cut-off events. [2021-08-13 13:42:11,902 INFO L130 PetriNetUnfolder]: For 190179/396731 co-relation queries the response was YES. [2021-08-13 13:42:12,365 INFO L84 FinitePrefix]: Finished finitePrefix Result has 531944 conditions, 102151 events. 65614/102151 cut-off events. For 190179/396731 co-relation queries the response was YES. Maximal size of possible extension queue 8154. Compared 943687 event pairs, 2427 based on Foata normal form. 922/77453 useless extension candidates. Maximal degree in co-relation 531214. Up to 58361 conditions per place. [2021-08-13 13:42:12,649 INFO L132 encePairwiseOnDemand]: 35/42 looper letters, 422 selfloop transitions, 59 changer transitions 186/789 dead transitions. [2021-08-13 13:42:12,649 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 789 transitions, 9282 flow [2021-08-13 13:42:12,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-13 13:42:12,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-08-13 13:42:12,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 149 transitions. [2021-08-13 13:42:12,650 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8869047619047619 [2021-08-13 13:42:12,650 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 149 transitions. [2021-08-13 13:42:12,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 149 transitions. [2021-08-13 13:42:12,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 13:42:12,651 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 149 transitions. [2021-08-13 13:42:12,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 0 states have call successors, (0), 0 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 13:42:12,651 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 42.0) internal successors, (210), 5 states have internal predecessors, (210), 0 states have call successors, (0), 0 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 13:42:12,651 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 42.0) internal successors, (210), 5 states have internal predecessors, (210), 0 states have call successors, (0), 0 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 13:42:12,651 INFO L348 CegarLoopForPetriNet]: 47 programPoint places, 43 predicate places. [2021-08-13 13:42:12,652 INFO L482 AbstractCegarLoop]: Abstraction has has 90 places, 789 transitions, 9282 flow [2021-08-13 13:42:12,652 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 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 13:42:12,652 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 13:42:12,652 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] [2021-08-13 13:42:12,652 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-13 13:42:12,652 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-08-13 13:42:12,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 13:42:12,652 INFO L82 PathProgramCache]: Analyzing trace with hash -630656736, now seen corresponding path program 1 times [2021-08-13 13:42:12,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 13:42:12,652 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599706001] [2021-08-13 13:42:12,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 13:42:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 13:42:12,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:42:12,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:42:12,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:42:12,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 13:42:12,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:42:12,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:42:12,694 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 13:42:12,694 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 13:42:12,694 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599706001] [2021-08-13 13:42:12,694 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599706001] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 13:42:12,694 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 13:42:12,694 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 13:42:12,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277735611] [2021-08-13 13:42:12,694 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 13:42:12,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 13:42:12,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 13:42:12,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-13 13:42:12,695 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 42 [2021-08-13 13:42:12,695 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 789 transitions, 9282 flow. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 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 13:42:12,695 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 13:42:12,695 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 42 [2021-08-13 13:42:12,695 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 13:42:25,327 INFO L129 PetriNetUnfolder]: 61144/96711 cut-off events. [2021-08-13 13:42:25,327 INFO L130 PetriNetUnfolder]: For 247904/532852 co-relation queries the response was YES. [2021-08-13 13:42:25,830 INFO L84 FinitePrefix]: Finished finitePrefix Result has 561879 conditions, 96711 events. 61144/96711 cut-off events. For 247904/532852 co-relation queries the response was YES. Maximal size of possible extension queue 7777. Compared 908692 event pairs, 1216 based on Foata normal form. 2230/76074 useless extension candidates. Maximal degree in co-relation 561269. Up to 52177 conditions per place. [2021-08-13 13:42:26,040 INFO L132 encePairwiseOnDemand]: 35/42 looper letters, 545 selfloop transitions, 105 changer transitions 274/1026 dead transitions. [2021-08-13 13:42:26,041 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 1026 transitions, 13884 flow [2021-08-13 13:42:26,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-13 13:42:26,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-13 13:42:26,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 189 transitions. [2021-08-13 13:42:26,057 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9 [2021-08-13 13:42:26,057 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 189 transitions. [2021-08-13 13:42:26,057 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 189 transitions. [2021-08-13 13:42:26,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 13:42:26,057 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 189 transitions. [2021-08-13 13:42:26,058 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 37.8) internal successors, (189), 5 states have internal predecessors, (189), 0 states have call successors, (0), 0 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 13:42:26,058 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 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 13:42:26,058 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 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 13:42:26,058 INFO L348 CegarLoopForPetriNet]: 47 programPoint places, 47 predicate places. [2021-08-13 13:42:26,059 INFO L482 AbstractCegarLoop]: Abstraction has has 94 places, 1026 transitions, 13884 flow [2021-08-13 13:42:26,059 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 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 13:42:26,059 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 13:42:26,059 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] [2021-08-13 13:42:26,059 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-13 13:42:26,059 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-08-13 13:42:26,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 13:42:26,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1474742362, now seen corresponding path program 4 times [2021-08-13 13:42:26,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 13:42:26,059 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174893053] [2021-08-13 13:42:26,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 13:42:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 13:42:26,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:42:26,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 13:42:26,090 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-08-13 13:42:26,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 13:42:26,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 13:42:26,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 13:42:26,096 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 13:42:26,097 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 13:42:26,097 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174893053] [2021-08-13 13:42:26,097 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174893053] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 13:42:26,097 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 13:42:26,097 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-13 13:42:26,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664837812] [2021-08-13 13:42:26,097 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-13 13:42:26,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 13:42:26,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-13 13:42:26,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-13 13:42:26,098 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 42 [2021-08-13 13:42:26,098 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 1026 transitions, 13884 flow. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 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 13:42:26,098 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 13:42:26,098 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 42 [2021-08-13 13:42:26,098 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand