/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-MCRwithDepranks-Lazy-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 23:11:18,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 23:11:18,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 23:11:18,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-19 23:11:18,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 23:11:18,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 23:11:18,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 23:11:18,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 23:11:18,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 23:11:18,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 23:11:18,119 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 23:11:18,121 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 23:11:18,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 23:11:18,133 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 23:11:18,135 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 23:11:18,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 23:11:18,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-19 23:11:18,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 23:11:18,147 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 23:11:18,148 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 23:11:18,156 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-MCRwithDepranks-Lazy-wrwc.epf [2022-02-19 23:11:18,169 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 23:11:18,169 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 23:11:18,169 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 23:11:18,169 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 23:11:18,170 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 23:11:18,170 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 23:11:18,170 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 23:11:18,170 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 23:11:18,170 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 23:11:18,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 23:11:18,171 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 23:11:18,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 23:11:18,171 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 23:11:18,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 23:11:18,171 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 23:11:18,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 23:11:18,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 23:11:18,171 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 23:11:18,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 23:11:18,172 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 23:11:18,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 23:11:18,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 23:11:18,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 23:11:18,172 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 23:11:18,172 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 23:11:18,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 23:11:18,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 23:11:18,173 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 23:11:18,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 23:11:18,173 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 23:11:18,173 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 23:11:18,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 23:11:18,173 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 23:11:18,173 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 23:11:18,173 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 23:11:18,173 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-19 23:11:18,173 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-02-19 23:11:18,174 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 23:11:18,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 23:11:18,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 23:11:18,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 23:11:18,360 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-19 23:11:18,371 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-19 23:11:18,372 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring.wvr.bpl [2022-02-19 23:11:18,372 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring.wvr.bpl' [2022-02-19 23:11:18,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 23:11:18,390 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-19 23:11:18,394 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 23:11:18,394 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 23:11:18,394 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 23:11:18,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:11:18" (1/1) ... [2022-02-19 23:11:18,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:11:18" (1/1) ... [2022-02-19 23:11:18,413 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-19 23:11:18,414 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 23:11:18,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 23:11:18,416 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 23:11:18,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 23:11:18,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:11:18" (1/1) ... [2022-02-19 23:11:18,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:11:18" (1/1) ... [2022-02-19 23:11:18,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:11:18" (1/1) ... [2022-02-19 23:11:18,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:11:18" (1/1) ... [2022-02-19 23:11:18,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:11:18" (1/1) ... [2022-02-19 23:11:18,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:11:18" (1/1) ... [2022-02-19 23:11:18,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:11:18" (1/1) ... [2022-02-19 23:11:18,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 23:11:18,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 23:11:18,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 23:11:18,427 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 23:11:18,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:11:18" (1/1) ... [2022-02-19 23:11:18,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 23:11:18,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 23:11:18,448 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-19 23:11:18,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-19 23:11:18,474 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-19 23:11:18,474 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-19 23:11:18,474 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-19 23:11:18,474 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-19 23:11:18,475 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-19 23:11:18,475 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-19 23:11:18,475 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-19 23:11:18,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 23:11:18,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 23:11:18,476 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-19 23:11:18,476 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-19 23:11:18,476 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-19 23:11:18,477 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 23:11:18,517 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 23:11:18,520 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 23:11:18,612 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 23:11:18,660 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 23:11:18,660 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 23:11:18,662 INFO L202 PluginConnector]: Adding new model ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 11:11:18 BoogieIcfgContainer [2022-02-19 23:11:18,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 23:11:18,663 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 23:11:18,663 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 23:11:18,674 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 23:11:18,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:11:18" (1/2) ... [2022-02-19 23:11:18,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@670a6403 and model type ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 11:11:18, skipping insertion in model container [2022-02-19 23:11:18,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 11:11:18" (2/2) ... [2022-02-19 23:11:18,680 INFO L111 eAbstractionObserver]: Analyzing ICFG ring.wvr.bpl [2022-02-19 23:11:18,685 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 23:11:18,685 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 23:11:18,685 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 23:11:18,685 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 23:11:18,731 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-19 23:11:18,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 23:11:18,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 23:11:18,790 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-19 23:11:18,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-19 23:11:18,818 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 23:11:18,824 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=false [2022-02-19 23:11:18,824 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-19 23:14:07,102 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 472524 transitions and produced 156956 states. [2022-02-19 23:14:07,104 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 23:14:07,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 23:14:07,108 INFO L85 PathProgramCache]: Analyzing trace with hash 2053367018, now seen corresponding path program 1 times [2022-02-19 23:14:07,113 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 23:14:07,114 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964261588] [2022-02-19 23:14:07,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 23:14:07,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 23:14:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 23:14:07,456 INFO L134 CoverageAnalysis]: Checked inductivity of 8562 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 8432 trivial. 0 not checked. [2022-02-19 23:14:07,456 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 23:14:07,457 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964261588] [2022-02-19 23:14:07,457 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964261588] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 23:14:07,457 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 23:14:07,457 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 23:14:07,458 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294616312] [2022-02-19 23:14:07,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 23:14:07,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 23:14:07,468 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 23:14:07,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 23:14:07,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 23:14:07,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:14:07,683 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 23:14:07,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 23:14:07,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:14:16,913 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 22752 transitions and produced 8269 states. [2022-02-19 23:14:16,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 23:14:16,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 23:14:16,915 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 23:14:16,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 23:14:16,917 INFO L85 PathProgramCache]: Analyzing trace with hash -296715845, now seen corresponding path program 2 times [2022-02-19 23:14:16,917 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 23:14:16,917 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722420445] [2022-02-19 23:14:16,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 23:14:16,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 23:14:17,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 23:14:17,504 INFO L134 CoverageAnalysis]: Checked inductivity of 7532 backedges. 336 proven. 0 refuted. 0 times theorem prover too weak. 7196 trivial. 0 not checked. [2022-02-19 23:14:17,504 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 23:14:17,505 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722420445] [2022-02-19 23:14:17,505 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722420445] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 23:14:17,505 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 23:14:17,505 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-19 23:14:17,505 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192681788] [2022-02-19 23:14:17,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 23:14:17,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-19 23:14:17,507 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 23:14:17,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-19 23:14:17,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-02-19 23:14:17,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:14:17,509 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 23:14:17,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 23:14:17,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 23:14:17,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:14:44,261 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 79560 transitions and produced 26948 states. [2022-02-19 23:14:44,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 23:14:44,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 23:14:44,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-19 23:14:44,263 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 23:14:44,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 23:14:44,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1085187691, now seen corresponding path program 3 times [2022-02-19 23:14:44,263 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 23:14:44,263 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356405584] [2022-02-19 23:14:44,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 23:14:44,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 23:14:44,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 23:14:44,423 INFO L134 CoverageAnalysis]: Checked inductivity of 6818 backedges. 527 proven. 2 refuted. 0 times theorem prover too weak. 6289 trivial. 0 not checked. [2022-02-19 23:14:44,423 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 23:14:44,423 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356405584] [2022-02-19 23:14:44,423 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356405584] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 23:14:44,423 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481348256] [2022-02-19 23:14:44,423 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 23:14:44,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 23:14:44,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 23:14:44,425 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 23:14:44,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-19 23:14:44,694 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2022-02-19 23:14:44,694 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 23:14:44,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 861 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-19 23:14:44,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 23:14:45,280 INFO L134 CoverageAnalysis]: Checked inductivity of 6818 backedges. 527 proven. 0 refuted. 0 times theorem prover too weak. 6291 trivial. 0 not checked. [2022-02-19 23:14:45,281 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-19 23:14:45,281 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1481348256] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 23:14:45,281 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-19 23:14:45,282 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2022-02-19 23:14:45,282 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179705792] [2022-02-19 23:14:45,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 23:14:45,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-19 23:14:45,282 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 23:14:45,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-19 23:14:45,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-02-19 23:14:45,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:14:45,283 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 23:14:45,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 23:14:45,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 23:14:45,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 23:14:45,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:14:46,346 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1103 transitions and produced 727 states. [2022-02-19 23:14:46,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 23:14:46,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 23:14:46,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 23:14:46,364 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-19 23:14:46,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-02-19 23:14:46,556 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 23:14:46,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 23:14:46,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1965009991, now seen corresponding path program 4 times [2022-02-19 23:14:46,556 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 23:14:46,556 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648217819] [2022-02-19 23:14:46,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 23:14:46,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 23:14:46,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 23:14:46,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2177 backedges. 789 proven. 66 refuted. 0 times theorem prover too weak. 1322 trivial. 0 not checked. [2022-02-19 23:14:46,700 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 23:14:46,700 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648217819] [2022-02-19 23:14:46,701 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648217819] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 23:14:46,701 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443784216] [2022-02-19 23:14:46,701 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 23:14:46,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 23:14:46,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 23:14:46,702 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 23:14:46,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-19 23:14:46,822 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 23:14:46,822 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 23:14:46,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 30 conjunts are in the unsatisfiable core [2022-02-19 23:14:46,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 23:14:47,218 INFO L134 CoverageAnalysis]: Checked inductivity of 2177 backedges. 789 proven. 14 refuted. 0 times theorem prover too weak. 1374 trivial. 0 not checked. [2022-02-19 23:14:47,219 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 23:14:47,616 INFO L134 CoverageAnalysis]: Checked inductivity of 2177 backedges. 789 proven. 14 refuted. 0 times theorem prover too weak. 1374 trivial. 0 not checked. [2022-02-19 23:14:47,617 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1443784216] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 23:14:47,617 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 23:14:47,617 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 4 [2022-02-19 23:14:47,617 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110559553] [2022-02-19 23:14:47,617 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 23:14:47,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-19 23:14:47,618 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 23:14:47,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-19 23:14:47,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-02-19 23:14:47,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:14:47,619 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 23:14:47,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 23:14:47,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 23:14:47,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 23:14:47,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 23:14:47,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:14:48,799 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 815 transitions and produced 544 states. [2022-02-19 23:14:48,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 23:14:48,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 23:14:48,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 23:14:48,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 23:14:48,816 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-19 23:14:49,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 23:14:49,001 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 23:14:49,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 23:14:49,002 INFO L85 PathProgramCache]: Analyzing trace with hash 975561598, now seen corresponding path program 5 times [2022-02-19 23:14:49,002 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 23:14:49,002 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442918239] [2022-02-19 23:14:49,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 23:14:49,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 23:14:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 23:14:49,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 316 proven. 151 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2022-02-19 23:14:49,230 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 23:14:49,230 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442918239] [2022-02-19 23:14:49,230 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442918239] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 23:14:49,231 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [458260297] [2022-02-19 23:14:49,231 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-19 23:14:49,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 23:14:49,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 23:14:49,232 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 23:14:49,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-19 23:14:49,400 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2022-02-19 23:14:49,400 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 23:14:49,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 58 conjunts are in the unsatisfiable core [2022-02-19 23:14:49,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 23:14:49,750 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-19 23:14:49,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 153 proven. 79 refuted. 0 times theorem prover too weak. 1175 trivial. 0 not checked. [2022-02-19 23:14:49,777 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 23:14:49,821 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-02-19 23:14:49,822 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 11 [2022-02-19 23:14:50,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 153 proven. 79 refuted. 0 times theorem prover too weak. 1175 trivial. 0 not checked. [2022-02-19 23:14:50,113 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [458260297] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 23:14:50,113 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 23:14:50,113 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 12 [2022-02-19 23:14:50,113 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690782775] [2022-02-19 23:14:50,113 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 23:14:50,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-19 23:14:50,115 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 23:14:50,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-19 23:14:50,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-02-19 23:14:50,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:14:50,118 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 23:14:50,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 12 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 23:14:50,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 23:14:50,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 23:14:50,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 23:14:50,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 23:14:50,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:14:51,490 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1005 transitions and produced 647 states. [2022-02-19 23:14:51,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 23:14:51,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 23:14:51,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 23:14:51,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 23:14:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 23:14:51,508 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-19 23:14:51,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 23:14:51,696 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 23:14:51,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 23:14:51,696 INFO L85 PathProgramCache]: Analyzing trace with hash 2140544883, now seen corresponding path program 6 times [2022-02-19 23:14:51,696 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 23:14:51,696 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68359998] [2022-02-19 23:14:51,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 23:14:51,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 23:14:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 23:14:55,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1772 backedges. 14 proven. 807 refuted. 0 times theorem prover too weak. 951 trivial. 0 not checked. [2022-02-19 23:14:55,761 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 23:14:55,762 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68359998] [2022-02-19 23:14:55,762 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68359998] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 23:14:55,762 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819791389] [2022-02-19 23:14:55,762 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-19 23:14:55,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 23:14:55,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 23:14:55,763 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 23:14:55,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-19 23:14:55,877 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2022-02-19 23:14:55,878 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 23:14:55,884 WARN L261 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 366 conjunts are in the unsatisfiable core [2022-02-19 23:14:55,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 23:17:22,478 INFO L353 Elim1Store]: treesize reduction 1232, result has 0.1 percent of original size [2022-02-19 23:17:22,479 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 291 treesize of output 175 [2022-02-19 23:17:26,609 INFO L353 Elim1Store]: treesize reduction 1232, result has 0.1 percent of original size [2022-02-19 23:17:26,610 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 298 treesize of output 178 [2022-02-19 23:17:27,581 INFO L353 Elim1Store]: treesize reduction 1232, result has 0.1 percent of original size [2022-02-19 23:17:27,583 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 383 treesize of output 155 [2022-02-19 23:17:28,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1772 backedges. 1090 proven. 681 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 23:17:28,344 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 23:20:18,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,832 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,832 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,839 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,839 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,841 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,841 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,841 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,846 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,846 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,846 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,849 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,849 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,849 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,851 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,858 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,858 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,858 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,860 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,860 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,860 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,875 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,875 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,876 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,876 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,877 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,877 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,881 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,882 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,882 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,882 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,883 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,883 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,883 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,884 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,884 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,884 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,886 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,886 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,887 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,890 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,890 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,892 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,893 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,894 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,894 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,895 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,896 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,897 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,897 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,898 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,898 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,900 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,901 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,901 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,901 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,903 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,905 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,905 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,906 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,907 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,907 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,907 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,908 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,909 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,912 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,912 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,913 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,913 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,914 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,914 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,915 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,916 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,916 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,916 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,922 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,922 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,922 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,929 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,930 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,930 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,930 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,932 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,932 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,936 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,936 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,936 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,937 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,937 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,946 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,946 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,949 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,956 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,958 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,962 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,963 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,963 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,964 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,964 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,964 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,964 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,965 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,965 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,965 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,969 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,969 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,969 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,971 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,971 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,971 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,971 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,972 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,972 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,972 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,974 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,975 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,975 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,976 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,976 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,976 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,977 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,977 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,977 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,979 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,979 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,979 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,979 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,980 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,980 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,982 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,982 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,984 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,985 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,987 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,987 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,988 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,988 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,990 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,990 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,991 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,991 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,992 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,992 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,993 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,993 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,994 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,996 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,996 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,996 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,997 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,998 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,998 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,999 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,999 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:18,999 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:19,000 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:19,001 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:19,002 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:19,003 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:19,004 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:19,005 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:19,005 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:19,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:19,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:19,007 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:19,007 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:19,008 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:19,008 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:19,009 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:19,010 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:19,010 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:19,010 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:19,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:19,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:19,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:19,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:19,012 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:19,012 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:19,014 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:19,015 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:19,016 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:19,017 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:19,017 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:19,018 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:19,018 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:19,020 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 23:20:19,020 INFO L244 Elim1Store]: Index analysis took 190 ms [2022-02-19 23:20:20,851 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 23:20:20,852 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 315 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 120 case distinctions, treesize of input 486 treesize of output 1668 Received shutdown request... [2022-02-19 23:25:08,988 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 23:25:09,019 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 23:25:09,025 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 23:25:09,047 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-19 23:25:09,049 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-19 23:25:09,065 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-19 23:25:09,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 23:25:09,260 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 258 with TraceHistMax 16,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 106ms.. [2022-02-19 23:25:09,261 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-19 23:25:09,261 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-19 23:25:09,262 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-19 23:25:09,265 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-02-19 23:25:09,267 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 23:25:09,267 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 23:25:09,269 INFO L202 PluginConnector]: Adding new model ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 11:25:09 BasicIcfg [2022-02-19 23:25:09,269 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 23:25:09,269 INFO L158 Benchmark]: Toolchain (without parser) took 830879.40ms. Allocated memory was 219.2MB in the beginning and 6.3GB in the end (delta: 6.1GB). Free memory was 177.7MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 4.7GB. Max. memory is 8.0GB. [2022-02-19 23:25:09,271 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 219.2MB. Free memory is still 178.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 23:25:09,272 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.80ms. Allocated memory is still 219.2MB. Free memory was 177.5MB in the beginning and 176.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 23:25:09,272 INFO L158 Benchmark]: Boogie Preprocessor took 10.62ms. Allocated memory is still 219.2MB. Free memory was 176.1MB in the beginning and 175.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 23:25:09,272 INFO L158 Benchmark]: RCFGBuilder took 234.59ms. Allocated memory is still 219.2MB. Free memory was 174.9MB in the beginning and 164.5MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-19 23:25:09,272 INFO L158 Benchmark]: TraceAbstraction took 830605.84ms. Allocated memory was 219.2MB in the beginning and 6.3GB in the end (delta: 6.1GB). Free memory was 164.0MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 4.7GB. Max. memory is 8.0GB. [2022-02-19 23:25:09,273 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.10ms. Allocated memory is still 219.2MB. Free memory is still 178.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.80ms. Allocated memory is still 219.2MB. Free memory was 177.5MB in the beginning and 176.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 10.62ms. Allocated memory is still 219.2MB. Free memory was 176.1MB in the beginning and 175.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 234.59ms. Allocated memory is still 219.2MB. Free memory was 174.9MB in the beginning and 164.5MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 830605.84ms. Allocated memory was 219.2MB in the beginning and 6.3GB in the end (delta: 6.1GB). Free memory was 164.0MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 4.7GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 104]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 258 with TraceHistMax 16,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 106ms.. - TimeoutResultAtElement [Line: 98]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 258 with TraceHistMax 16,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 106ms.. - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 258 with TraceHistMax 16,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 106ms.. - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 258 with TraceHistMax 16,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 106ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 71 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 830.5s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 207.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 2841 NumberOfCodeBlocks, 2725 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 3345 ConstructedInterpolants, 0 QuantifiedInterpolants, 6991 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2225 ConjunctsInSsa, 92 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 40077/40482 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown