/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-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-02 09:57:41,220 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-02 09:57:41,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-02 09:57:41,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-02 09:57:41,275 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-02 09:57:41,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-02 09:57:41,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-02 09:57:41,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-02 09:57:41,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-02 09:57:41,278 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-02 09:57:41,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-02 09:57:41,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-02 09:57:41,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-02 09:57:41,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-02 09:57:41,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-02 09:57:41,303 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-02 09:57:41,305 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-02 09:57:41,310 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-02 09:57:41,310 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-02 09:57:41,311 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-02 09:57:41,312 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-MCRwithoutDepranks-Lazy.epf [2022-03-02 09:57:41,326 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-02 09:57:41,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-02 09:57:41,326 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-02 09:57:41,327 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-02 09:57:41,327 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-02 09:57:41,328 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-02 09:57:41,328 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-02 09:57:41,328 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-02 09:57:41,328 INFO L138 SettingsManager]: * Use SBE=true [2022-03-02 09:57:41,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-02 09:57:41,328 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-02 09:57:41,328 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-02 09:57:41,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-02 09:57:41,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-02 09:57:41,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-02 09:57:41,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-02 09:57:41,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-02 09:57:41,329 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-02 09:57:41,329 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-02 09:57:41,329 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-02 09:57:41,329 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-02 09:57:41,329 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-02 09:57:41,330 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-02 09:57:41,330 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-02 09:57:41,330 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-02 09:57:41,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 09:57:41,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-02 09:57:41,330 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-02 09:57:41,330 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-02 09:57:41,330 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-02 09:57:41,330 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-02 09:57:41,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-02 09:57:41,331 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-02 09:57:41,331 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-02 09:57:41,331 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-02 09:57:41,331 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-02 09:57:41,331 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-02 09:57:41,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-02 09:57:41,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-02 09:57:41,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-02 09:57:41,535 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-02 09:57:41,536 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-02 09:57:41,537 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl [2022-03-02 09:57:41,537 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl' [2022-03-02 09:57:41,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-02 09:57:41,563 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-02 09:57:41,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-02 09:57:41,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-02 09:57:41,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-02 09:57:41,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:57:41" (1/1) ... [2022-03-02 09:57:41,578 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:57:41" (1/1) ... [2022-03-02 09:57:41,582 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-02 09:57:41,584 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-02 09:57:41,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-02 09:57:41,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-02 09:57:41,585 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-02 09:57:41,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:57:41" (1/1) ... [2022-03-02 09:57:41,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:57:41" (1/1) ... [2022-03-02 09:57:41,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:57:41" (1/1) ... [2022-03-02 09:57:41,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:57:41" (1/1) ... [2022-03-02 09:57:41,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:57:41" (1/1) ... [2022-03-02 09:57:41,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:57:41" (1/1) ... [2022-03-02 09:57:41,596 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:57:41" (1/1) ... [2022-03-02 09:57:41,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-02 09:57:41,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-02 09:57:41,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-02 09:57:41,598 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-02 09:57:41,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:57:41" (1/1) ... [2022-03-02 09:57:41,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 09:57:41,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 09:57:41,620 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) [2022-03-02 09:57:41,640 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 [2022-03-02 09:57:41,649 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-02 09:57:41,649 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-02 09:57:41,649 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-02 09:57:41,650 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-02 09:57:41,650 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-02 09:57:41,650 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-02 09:57:41,650 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-02 09:57:41,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-02 09:57:41,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-02 09:57:41,650 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-02 09:57:41,651 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-02 09:57:41,651 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-02 09:57:41,651 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-03-02 09:57:41,652 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-02 09:57:41,652 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-02 09:57:41,653 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-02 09:57:41,685 INFO L234 CfgBuilder]: Building ICFG [2022-03-02 09:57:41,686 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-02 09:57:41,785 INFO L275 CfgBuilder]: Performing block encoding [2022-03-02 09:57:41,817 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-02 09:57:41,817 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-03-02 09:57:41,818 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2022-03-02 09:57:41,818 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2022-03-02 09:57:41,818 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread4EXIT is neither atomic block end nor error location. [2022-03-02 09:57:41,828 INFO L202 PluginConnector]: Adding new model parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 09:57:41 BoogieIcfgContainer [2022-03-02 09:57:41,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-02 09:57:41,830 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-02 09:57:41,830 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-02 09:57:41,832 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-02 09:57:41,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:57:41" (1/2) ... [2022-03-02 09:57:41,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@281d5b54 and model type parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 09:57:41, skipping insertion in model container [2022-03-02 09:57:41,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 09:57:41" (2/2) ... [2022-03-02 09:57:41,834 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-sum-equiv.wvr.bpl [2022-03-02 09:57:41,848 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-02 09:57:41,848 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-02 09:57:41,848 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-02 09:57:41,848 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-02 09:57:41,910 INFO L148 ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions. [2022-03-02 09:57:41,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 09:57:41,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 09:57:41,967 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) [2022-03-02 09:57:41,968 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 [2022-03-02 09:57:41,997 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 09:57:42,002 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=true [2022-03-02 09:57:42,003 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-03-02 09:57:42,148 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 167 transitions and produced 151 states. [2022-03-02 09:57:42,150 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-03-02 09:57:42,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 09:57:42,157 INFO L85 PathProgramCache]: Analyzing trace with hash 493289081, now seen corresponding path program 1 times [2022-03-02 09:57:42,163 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 09:57:42,164 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084326413] [2022-03-02 09:57:42,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 09:57:42,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 09:57:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 09:57:42,287 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2022-03-02 09:57:42,288 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 09:57:42,288 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084326413] [2022-03-02 09:57:42,288 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084326413] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 09:57:42,288 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 09:57:42,289 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-02 09:57:42,289 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703372410] [2022-03-02 09:57:42,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 09:57:42,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-02 09:57:42,293 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 09:57:42,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-02 09:57:42,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-02 09:57:42,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 09:57:42,313 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 09:57:42,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-03-02 09:57:42,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 09:57:42,386 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 100 transitions and produced 96 states. [2022-03-02 09:57:42,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 09:57:42,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-02 09:57:42,387 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-03-02 09:57:42,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 09:57:42,388 INFO L85 PathProgramCache]: Analyzing trace with hash -61785869, now seen corresponding path program 2 times [2022-03-02 09:57:42,388 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 09:57:42,388 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712617073] [2022-03-02 09:57:42,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 09:57:42,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 09:57:42,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 09:57:42,598 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 49 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 09:57:42,598 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 09:57:42,598 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712617073] [2022-03-02 09:57:42,598 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712617073] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 09:57:42,599 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466180071] [2022-03-02 09:57:42,599 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 09:57:42,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 09:57:42,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 09:57:42,612 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) [2022-03-02 09:57:42,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-02 09:57:42,679 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 09:57:42,679 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 09:57:42,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 10 conjunts are in the unsatisfiable core [2022-03-02 09:57:42,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 09:57:42,885 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 37 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-03-02 09:57:42,886 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 09:57:42,981 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 37 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-03-02 09:57:42,981 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466180071] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 09:57:42,981 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 09:57:42,981 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 11] total 18 [2022-03-02 09:57:42,982 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019303754] [2022-03-02 09:57:42,983 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 09:57:42,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-02 09:57:42,984 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 09:57:42,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-02 09:57:42,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2022-03-02 09:57:42,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 09:57:42,985 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 09:57:42,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 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) [2022-03-02 09:57:42,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 09:57:42,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 09:57:43,110 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 114 transitions and produced 108 states. [2022-03-02 09:57:43,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 09:57:43,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 09:57:43,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-02 09:57:43,324 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,SelfDestructingSolverStorable1 [2022-03-02 09:57:43,324 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-03-02 09:57:43,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 09:57:43,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1837964081, now seen corresponding path program 3 times [2022-03-02 09:57:43,325 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 09:57:43,325 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925663973] [2022-03-02 09:57:43,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 09:57:43,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 09:57:43,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 09:57:43,450 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 49 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 09:57:43,450 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 09:57:43,450 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925663973] [2022-03-02 09:57:43,450 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925663973] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 09:57:43,451 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1025011585] [2022-03-02 09:57:43,451 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 09:57:43,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 09:57:43,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 09:57:43,452 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) [2022-03-02 09:57:43,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-02 09:57:43,491 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-03-02 09:57:43,491 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 09:57:43,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 14 conjunts are in the unsatisfiable core [2022-03-02 09:57:43,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 09:57:43,721 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 49 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 09:57:43,721 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 09:57:43,841 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 49 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 09:57:43,842 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1025011585] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 09:57:43,842 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 09:57:43,842 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 27 [2022-03-02 09:57:43,842 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035248532] [2022-03-02 09:57:43,842 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 09:57:43,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-03-02 09:57:43,843 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 09:57:43,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-03-02 09:57:43,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=516, Unknown=0, NotChecked=0, Total=702 [2022-03-02 09:57:43,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 09:57:43,845 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 09:57:43,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 2.814814814814815) internal successors, (76), 27 states have internal predecessors, (76), 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) [2022-03-02 09:57:43,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 09:57:43,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 09:57:43,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 09:57:44,029 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 141 transitions and produced 135 states. [2022-03-02 09:57:44,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 09:57:44,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 09:57:44,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 09:57:44,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-02 09:57:44,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 09:57:44,244 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-03-02 09:57:44,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 09:57:44,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1034117769, now seen corresponding path program 4 times [2022-03-02 09:57:44,244 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 09:57:44,244 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615589457] [2022-03-02 09:57:44,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 09:57:44,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 09:57:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 09:57:45,446 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 20 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 09:57:45,446 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 09:57:45,447 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615589457] [2022-03-02 09:57:45,447 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615589457] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 09:57:45,447 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [41414245] [2022-03-02 09:57:45,447 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-02 09:57:45,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 09:57:45,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 09:57:45,448 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) [2022-03-02 09:57:45,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-02 09:57:45,491 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-02 09:57:45,491 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 09:57:45,493 WARN L261 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 93 conjunts are in the unsatisfiable core [2022-03-02 09:57:45,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 09:57:46,961 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 23 [2022-03-02 09:57:47,047 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 09:57:47,048 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 09:57:49,261 INFO L353 Elim1Store]: treesize reduction 308, result has 58.5 percent of original size [2022-03-02 09:57:49,261 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 70 case distinctions, treesize of input 60 treesize of output 453 [2022-03-02 09:57:52,621 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 09:57:52,622 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [41414245] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 09:57:52,622 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 09:57:52,622 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 32, 32] total 89 [2022-03-02 09:57:52,622 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147648545] [2022-03-02 09:57:52,622 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 09:57:52,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2022-03-02 09:57:52,623 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 09:57:52,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2022-03-02 09:57:52,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=410, Invalid=7422, Unknown=0, NotChecked=0, Total=7832 [2022-03-02 09:57:52,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 09:57:52,626 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 09:57:52,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 89 states have (on average 1.303370786516854) internal successors, (116), 89 states have internal predecessors, (116), 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) [2022-03-02 09:57:52,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 09:57:52,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 09:57:52,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 09:57:52,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 09:57:58,933 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 169 transitions and produced 165 states. [2022-03-02 09:57:58,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 09:57:58,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 09:57:58,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 09:57:58,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-02 09:57:58,952 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-03-02 09:57:59,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 09:57:59,134 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-03-02 09:57:59,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 09:57:59,135 INFO L85 PathProgramCache]: Analyzing trace with hash -341202287, now seen corresponding path program 5 times [2022-03-02 09:57:59,135 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 09:57:59,135 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404722864] [2022-03-02 09:57:59,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 09:57:59,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 09:57:59,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 09:57:59,292 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 64 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 09:57:59,292 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 09:57:59,292 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404722864] [2022-03-02 09:57:59,292 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404722864] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 09:57:59,293 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108551160] [2022-03-02 09:57:59,293 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-02 09:57:59,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 09:57:59,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 09:57:59,294 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) [2022-03-02 09:57:59,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-02 09:57:59,350 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2022-03-02 09:57:59,351 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 09:57:59,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 20 conjunts are in the unsatisfiable core [2022-03-02 09:57:59,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 09:57:59,532 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 64 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 09:57:59,532 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 09:57:59,626 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 64 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 09:57:59,626 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108551160] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 09:57:59,626 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 09:57:59,626 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 30 [2022-03-02 09:57:59,626 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149615835] [2022-03-02 09:57:59,627 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 09:57:59,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-02 09:57:59,627 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 09:57:59,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-02 09:57:59,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=651, Unknown=0, NotChecked=0, Total=870 [2022-03-02 09:57:59,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 09:57:59,628 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 09:57:59,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 2.2666666666666666) internal successors, (68), 30 states have internal predecessors, (68), 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) [2022-03-02 09:57:59,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 09:57:59,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 09:57:59,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 09:57:59,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-03-02 09:57:59,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 09:57:59,885 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 181 transitions and produced 176 states. [2022-03-02 09:57:59,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 09:57:59,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 09:57:59,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 09:57:59,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-02 09:57:59,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 09:57:59,902 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-03-02 09:58:00,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 09:58:00,087 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-03-02 09:58:00,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 09:58:00,087 INFO L85 PathProgramCache]: Analyzing trace with hash -2142628463, now seen corresponding path program 6 times [2022-03-02 09:58:00,088 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 09:58:00,088 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870996882] [2022-03-02 09:58:00,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 09:58:00,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 09:58:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 09:58:01,557 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 32 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 09:58:01,557 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 09:58:01,557 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870996882] [2022-03-02 09:58:01,557 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870996882] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 09:58:01,557 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644443660] [2022-03-02 09:58:01,558 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-02 09:58:01,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 09:58:01,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 09:58:01,559 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 09:58:01,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-02 09:58:01,602 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2022-03-02 09:58:01,602 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 09:58:01,604 WARN L261 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 117 conjunts are in the unsatisfiable core [2022-03-02 09:58:01,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 09:58:04,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 09:58:04,934 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 09:58:04,935 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 64 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 56 case distinctions, treesize of input 90 treesize of output 622 [2022-03-02 09:58:46,397 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 09:58:46,397 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 09:58:50,833 INFO L353 Elim1Store]: treesize reduction 18, result has 66.0 percent of original size [2022-03-02 09:58:50,833 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 21 treesize of output 44 [2022-03-02 09:58:50,891 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 09:58:50,891 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1644443660] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 09:58:50,891 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 09:58:50,891 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 42, 42] total 110 [2022-03-02 09:58:50,892 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048740945] [2022-03-02 09:58:50,892 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 09:58:50,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 110 states [2022-03-02 09:58:50,892 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 09:58:50,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2022-03-02 09:58:50,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=695, Invalid=11295, Unknown=0, NotChecked=0, Total=11990 [2022-03-02 09:58:50,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 09:58:50,896 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 09:58:50,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 110 states, 110 states have (on average 1.2181818181818183) internal successors, (134), 110 states have internal predecessors, (134), 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) [2022-03-02 09:58:50,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 09:58:50,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 09:58:50,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 09:58:50,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-03-02 09:58:50,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 09:58:50,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 09:59:01,949 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 197 transitions and produced 191 states. [2022-03-02 09:59:01,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 09:59:01,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 09:59:01,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 09:59:01,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-02 09:59:01,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 09:59:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-02 09:59:01,968 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-03-02 09:59:02,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 09:59:02,151 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-03-02 09:59:02,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 09:59:02,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1915577167, now seen corresponding path program 7 times [2022-03-02 09:59:02,151 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 09:59:02,151 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295049293] [2022-03-02 09:59:02,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 09:59:02,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 09:59:02,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 09:59:03,918 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 56 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 09:59:03,919 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 09:59:03,919 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295049293] [2022-03-02 09:59:03,919 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295049293] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 09:59:03,919 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752250064] [2022-03-02 09:59:03,919 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-02 09:59:03,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 09:59:03,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 09:59:03,920 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 09:59:03,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-02 09:59:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 09:59:03,964 WARN L261 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 129 conjunts are in the unsatisfiable core [2022-03-02 09:59:03,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 09:59:06,585 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 45 [2022-03-02 09:59:06,681 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 09:59:06,682 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 09:59:12,281 INFO L353 Elim1Store]: treesize reduction 650, result has 57.8 percent of original size [2022-03-02 09:59:12,282 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 45 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 145 case distinctions, treesize of input 84 treesize of output 915 [2022-03-02 09:59:33,344 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 09:59:33,344 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752250064] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 09:59:33,345 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 09:59:33,345 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 44, 44] total 125 [2022-03-02 09:59:33,345 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500845643] [2022-03-02 09:59:33,345 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 09:59:33,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 125 states [2022-03-02 09:59:33,345 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 09:59:33,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2022-03-02 09:59:33,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=752, Invalid=14748, Unknown=0, NotChecked=0, Total=15500 [2022-03-02 09:59:33,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 09:59:33,349 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 09:59:33,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 125 states, 125 states have (on average 1.152) internal successors, (144), 125 states have internal predecessors, (144), 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) [2022-03-02 09:59:33,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 09:59:33,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 09:59:33,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 09:59:33,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-03-02 09:59:33,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 09:59:33,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-03-02 09:59:33,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 09:59:45,113 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 217 transitions and produced 213 states. [2022-03-02 09:59:45,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 09:59:45,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 09:59:45,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 09:59:45,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-02 09:59:45,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 09:59:45,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-02 09:59:45,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2022-03-02 09:59:45,130 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-03-02 09:59:45,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 09:59:45,315 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-03-02 09:59:45,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 09:59:45,315 INFO L85 PathProgramCache]: Analyzing trace with hash 72753521, now seen corresponding path program 8 times [2022-03-02 09:59:45,315 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 09:59:45,315 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293617484] [2022-03-02 09:59:45,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 09:59:45,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 09:59:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 09:59:45,553 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 121 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 09:59:45,562 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 09:59:45,562 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293617484] [2022-03-02 09:59:45,562 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293617484] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 09:59:45,562 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [430400927] [2022-03-02 09:59:45,563 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 09:59:45,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 09:59:45,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 09:59:45,564 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 09:59:45,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-02 09:59:45,610 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 09:59:45,610 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 09:59:45,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 26 conjunts are in the unsatisfiable core [2022-03-02 09:59:45,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 09:59:45,869 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 121 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 09:59:45,869 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 09:59:45,982 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 121 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 09:59:45,982 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [430400927] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 09:59:45,982 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 09:59:45,983 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 39 [2022-03-02 09:59:45,983 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662843900] [2022-03-02 09:59:45,983 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 09:59:45,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-03-02 09:59:45,983 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 09:59:45,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-03-02 09:59:45,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=363, Invalid=1119, Unknown=0, NotChecked=0, Total=1482 [2022-03-02 09:59:45,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 09:59:45,984 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 09:59:45,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 2.2051282051282053) internal successors, (86), 39 states have internal predecessors, (86), 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) [2022-03-02 09:59:45,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 09:59:45,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 09:59:45,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-02 09:59:45,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-03-02 09:59:45,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 09:59:45,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-03-02 09:59:45,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2022-03-02 09:59:45,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 09:59:46,414 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 229 transitions and produced 224 states. [2022-03-02 09:59:46,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 09:59:46,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 09:59:46,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-02 09:59:46,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-02 09:59:46,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 09:59:46,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-02 09:59:46,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2022-03-02 09:59:46,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-02 09:59:46,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-02 09:59:46,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-03-02 09:59:46,615 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-03-02 09:59:46,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 09:59:46,616 INFO L85 PathProgramCache]: Analyzing trace with hash 121005553, now seen corresponding path program 9 times [2022-03-02 09:59:46,616 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 09:59:46,616 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529670452] [2022-03-02 09:59:46,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 09:59:46,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 09:59:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 09:59:49,313 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 09:59:49,313 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 09:59:49,313 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529670452] [2022-03-02 09:59:49,313 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529670452] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 09:59:49,313 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305723347] [2022-03-02 09:59:49,313 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 09:59:49,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 09:59:49,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 09:59:49,315 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 09:59:49,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-02 09:59:49,368 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2022-03-02 09:59:49,368 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 09:59:49,372 WARN L261 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 153 conjunts are in the unsatisfiable core [2022-03-02 09:59:49,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 10:00:03,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 10:00:03,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,241 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 10:00:03,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 10:00:03,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 10:00:03,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 10:00:03,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 10:00:03,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 10:00:03,300 INFO L244 Elim1Store]: Index analysis took 113 ms [2022-03-02 10:00:04,297 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 10:00:04,298 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 60 disjoint index pairs (out of 276 index pairs), introduced 18 new quantified variables, introduced 165 case distinctions, treesize of input 190 treesize of output 1122 [2022-03-02 10:05:22,285 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 10:05:22,285 INFO L328 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2022-03-02 10:11:38,236 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 [2022-03-02 10:11:38,236 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 [2022-03-02 10:11:38,236 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 10:11:39,171 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (6 of 7 remaining) [2022-03-02 10:11:39,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-03-02 10:11:39,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-03-02 10:11:39,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:11:39,372 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 65 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 131 known predicates. [2022-03-02 10:11:39,374 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4INUSE_VIOLATION (5 of 7 remaining) [2022-03-02 10:11:39,374 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err5INUSE_VIOLATION (4 of 7 remaining) [2022-03-02 10:11:39,374 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (3 of 7 remaining) [2022-03-02 10:11:39,374 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (2 of 7 remaining) [2022-03-02 10:11:39,374 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork0Err0INUSE_VIOLATION (1 of 7 remaining) [2022-03-02 10:11:39,374 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork0Err1INUSE_VIOLATION (0 of 7 remaining) [2022-03-02 10:11:39,379 INFO L732 BasicCegarLoop]: Path program histogram: [9] [2022-03-02 10:11:39,381 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 10:11:39,381 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 10:11:39,383 INFO L202 PluginConnector]: Adding new model parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 10:11:39 BasicIcfg [2022-03-02 10:11:39,383 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 10:11:39,384 INFO L158 Benchmark]: Toolchain (without parser) took 837820.66ms. Allocated memory was 170.9MB in the beginning and 626.0MB in the end (delta: 455.1MB). Free memory was 135.5MB in the beginning and 300.6MB in the end (delta: -165.1MB). Peak memory consumption was 289.5MB. Max. memory is 8.0GB. [2022-03-02 10:11:39,384 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 170.9MB. Free memory was 136.7MB in the beginning and 136.6MB in the end (delta: 73.0kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 10:11:39,385 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.32ms. Allocated memory is still 170.9MB. Free memory was 135.4MB in the beginning and 133.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 10:11:39,385 INFO L158 Benchmark]: Boogie Preprocessor took 11.76ms. Allocated memory is still 170.9MB. Free memory was 133.9MB in the beginning and 132.9MB in the end (delta: 954.1kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 10:11:39,385 INFO L158 Benchmark]: RCFGBuilder took 231.26ms. Allocated memory is still 170.9MB. Free memory was 132.8MB in the beginning and 122.5MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-02 10:11:39,386 INFO L158 Benchmark]: TraceAbstraction took 837553.75ms. Allocated memory was 170.9MB in the beginning and 626.0MB in the end (delta: 455.1MB). Free memory was 122.0MB in the beginning and 300.6MB in the end (delta: -178.6MB). Peak memory consumption was 277.0MB. Max. memory is 8.0GB. [2022-03-02 10:11:39,387 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 0.09ms. Allocated memory is still 170.9MB. Free memory was 136.7MB in the beginning and 136.6MB in the end (delta: 73.0kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.32ms. Allocated memory is still 170.9MB. Free memory was 135.4MB in the beginning and 133.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 11.76ms. Allocated memory is still 170.9MB. Free memory was 133.9MB in the beginning and 132.9MB in the end (delta: 954.1kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 231.26ms. Allocated memory is still 170.9MB. Free memory was 132.8MB in the beginning and 122.5MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 837553.75ms. Allocated memory was 170.9MB in the beginning and 626.0MB in the end (delta: 455.1MB). Free memory was 122.0MB in the beginning and 300.6MB in the end (delta: -178.6MB). Peak memory consumption was 277.0MB. 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: 86]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 65 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 131 known predicates. - TimeoutResultAtElement [Line: 50]: 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 65 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 131 known predicates. - TimeoutResultAtElement [Line: 54]: 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 65 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 131 known predicates. - TimeoutResultAtElement [Line: 78]: 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 65 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 131 known predicates. - TimeoutResultAtElement [Line: 81]: 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 65 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 131 known predicates. - TimeoutResultAtElement [Line: 50]: 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 65 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 131 known predicates. - TimeoutResultAtElement [Line: 54]: 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 65 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 131 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 49 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 837.4s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 9, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 30.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 283, 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, 0.3s SatisfiabilityAnalysisTime, 92.1s InterpolantComputationTime, 734 NumberOfCodeBlocks, 734 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 1050 ConstructedInterpolants, 28 QuantifiedInterpolants, 20078 SizeOfPredicates, 82 NumberOfNonLiveVariables, 1183 ConjunctsInSsa, 409 ConjunctsInUnsatCore, 22 InterpolantComputations, 1 PerfectInterpolantSequences, 1238/3260 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