/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-16 06:16:52,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-16 06:16:52,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-16 06:16:53,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-16 06:16:53,008 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-16 06:16:53,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-16 06:16:53,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-16 06:16:53,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-16 06:16:53,043 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-16 06:16:53,044 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-16 06:16:53,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-16 06:16:53,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-16 06:16:53,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-16 06:16:53,049 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-16 06:16:53,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-16 06:16:53,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-16 06:16:53,051 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-16 06:16:53,051 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-16 06:16:53,052 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-16 06:16:53,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-16 06:16:53,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-16 06:16:53,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-16 06:16:53,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-16 06:16:53,063 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-16 06:16:53,072 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-16 06:16:53,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-16 06:16:53,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-16 06:16:53,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-16 06:16:53,081 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks.epf [2022-02-16 06:16:53,103 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-16 06:16:53,103 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-16 06:16:53,103 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-16 06:16:53,104 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-16 06:16:53,104 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-16 06:16:53,104 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-16 06:16:53,105 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-16 06:16:53,105 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-16 06:16:53,105 INFO L138 SettingsManager]: * Use SBE=true [2022-02-16 06:16:53,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-16 06:16:53,106 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-16 06:16:53,106 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-16 06:16:53,106 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-16 06:16:53,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-16 06:16:53,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-16 06:16:53,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-16 06:16:53,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-16 06:16:53,106 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-16 06:16:53,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-16 06:16:53,107 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-16 06:16:53,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-16 06:16:53,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-16 06:16:53,107 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-16 06:16:53,107 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-16 06:16:53,107 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-16 06:16:53,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 06:16:53,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-16 06:16:53,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-16 06:16:53,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-16 06:16:53,108 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-16 06:16:53,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-16 06:16:53,108 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-16 06:16:53,108 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-16 06:16:53,108 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-16 06:16:53,109 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-16 06:16:53,109 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-16 06:16:53,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-16 06:16:53,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-16 06:16:53,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-16 06:16:53,336 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-16 06:16:53,338 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-16 06:16:53,339 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl [2022-02-16 06:16:53,340 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl' [2022-02-16 06:16:53,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-16 06:16:53,370 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-16 06:16:53,371 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-16 06:16:53,371 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-16 06:16:53,371 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-16 06:16:53,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 06:16:53" (1/1) ... [2022-02-16 06:16:53,386 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 06:16:53" (1/1) ... [2022-02-16 06:16:53,391 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-16 06:16:53,393 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-16 06:16:53,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-16 06:16:53,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-16 06:16:53,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-16 06:16:53,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 06:16:53" (1/1) ... [2022-02-16 06:16:53,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 06:16:53" (1/1) ... [2022-02-16 06:16:53,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 06:16:53" (1/1) ... [2022-02-16 06:16:53,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 06:16:53" (1/1) ... [2022-02-16 06:16:53,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 06:16:53" (1/1) ... [2022-02-16 06:16:53,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 06:16:53" (1/1) ... [2022-02-16 06:16:53,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 06:16:53" (1/1) ... [2022-02-16 06:16:53,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-16 06:16:53,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-16 06:16:53,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-16 06:16:53,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-16 06:16:53,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 06:16:53" (1/1) ... [2022-02-16 06:16:53,420 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 06:16:53,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 06:16:53,458 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-16 06:16:53,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-16 06:16:53,490 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-16 06:16:53,490 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-16 06:16:53,490 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-16 06:16:53,490 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-16 06:16:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-16 06:16:53,491 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-16 06:16:53,491 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-16 06:16:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-16 06:16:53,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-16 06:16:53,491 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-16 06:16:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-16 06:16:53,491 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-16 06:16:53,492 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-16 06:16:53,533 INFO L234 CfgBuilder]: Building ICFG [2022-02-16 06:16:53,535 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-16 06:16:53,613 INFO L275 CfgBuilder]: Performing block encoding [2022-02-16 06:16:53,624 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-16 06:16:53,624 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-16 06:16:53,626 INFO L202 PluginConnector]: Adding new model dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 06:16:53 BoogieIcfgContainer [2022-02-16 06:16:53,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-16 06:16:53,627 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-16 06:16:53,627 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-16 06:16:53,633 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-16 06:16:53,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 06:16:53" (1/2) ... [2022-02-16 06:16:53,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@632950ce and model type dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 06:16:53, skipping insertion in model container [2022-02-16 06:16:53,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 06:16:53" (2/2) ... [2022-02-16 06:16:53,635 INFO L111 eAbstractionObserver]: Analyzing ICFG dot-product-array.wvr.bpl [2022-02-16 06:16:53,639 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-16 06:16:53,639 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-16 06:16:53,639 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-16 06:16:53,639 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-16 06:16:53,663 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-16 06:16:53,704 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-16 06:16:53,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 06:16:53,706 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-16 06:16:53,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-16 06:16:53,739 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-16 06:16:53,745 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=false, 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 [2022-02-16 06:16:53,745 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-16 06:16:53,752 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 29 transitions, 82 flow [2022-02-16 06:16:53,780 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 112 states, 111 states have (on average 2.810810810810811) internal successors, (312), 111 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 06:16:53,820 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 413 transitions and produced 374 states. [2022-02-16 06:16:53,822 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 06:16:53,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 06:16:53,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1439035870, now seen corresponding path program 1 times [2022-02-16 06:16:53,836 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 06:16:53,836 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155795105] [2022-02-16 06:16:53,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 06:16:53,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 06:16:54,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 06:16:54,448 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 495 proven. 138 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-02-16 06:16:54,451 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 06:16:54,451 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155795105] [2022-02-16 06:16:54,452 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155795105] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 06:16:54,452 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014451974] [2022-02-16 06:16:54,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 06:16:54,468 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 06:16:54,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 06:16:54,523 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 06:16:54,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-16 06:16:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 06:16:54,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 42 conjunts are in the unsatisfiable core [2022-02-16 06:16:54,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 06:16:55,657 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 133 proven. 512 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-02-16 06:16:55,657 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 06:16:56,612 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 24 proven. 636 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-16 06:16:56,613 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014451974] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 06:16:56,613 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 06:16:56,613 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 25, 37] total 75 [2022-02-16 06:16:56,615 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005890778] [2022-02-16 06:16:56,615 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 06:16:56,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2022-02-16 06:16:56,618 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 06:16:56,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2022-02-16 06:16:56,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1228, Invalid=4322, Unknown=0, NotChecked=0, Total=5550 [2022-02-16 06:16:56,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 06:16:56,638 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 06:16:56,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 2.8) internal successors, (210), 75 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 06:16:56,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 06:16:59,931 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 432 transitions and produced 410 states. [2022-02-16 06:16:59,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-02-16 06:16:59,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-16 06:17:00,133 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,SelfDestructingSolverStorable0 [2022-02-16 06:17:00,134 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 06:17:00,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 06:17:00,134 INFO L85 PathProgramCache]: Analyzing trace with hash -579772396, now seen corresponding path program 2 times [2022-02-16 06:17:00,134 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 06:17:00,135 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845853054] [2022-02-16 06:17:00,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 06:17:00,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 06:17:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 06:17:00,795 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 410 proven. 243 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 06:17:00,796 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 06:17:00,796 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845853054] [2022-02-16 06:17:00,796 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845853054] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 06:17:00,796 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326772537] [2022-02-16 06:17:00,796 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-16 06:17:00,796 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 06:17:00,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 06:17:00,804 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 06:17:00,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-16 06:17:00,868 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-16 06:17:00,868 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 06:17:00,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 31 conjunts are in the unsatisfiable core [2022-02-16 06:17:00,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 06:17:01,827 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 385 proven. 196 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-02-16 06:17:01,828 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 06:17:02,521 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 385 proven. 196 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-02-16 06:17:02,522 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1326772537] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 06:17:02,522 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 06:17:02,522 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 32, 32] total 88 [2022-02-16 06:17:02,522 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496475198] [2022-02-16 06:17:02,522 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 06:17:02,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2022-02-16 06:17:02,523 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 06:17:02,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2022-02-16 06:17:02,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1179, Invalid=6477, Unknown=0, NotChecked=0, Total=7656 [2022-02-16 06:17:02,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 06:17:02,527 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 06:17:02,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 2.25) internal successors, (198), 88 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 06:17:02,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2022-02-16 06:17:02,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 06:17:04,700 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 536 transitions and produced 508 states. [2022-02-16 06:17:04,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-02-16 06:17:04,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-16 06:17:04,742 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-16 06:17:04,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 06:17:04,902 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 06:17:04,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 06:17:04,903 INFO L85 PathProgramCache]: Analyzing trace with hash 743243404, now seen corresponding path program 3 times [2022-02-16 06:17:04,903 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 06:17:04,903 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681836151] [2022-02-16 06:17:04,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 06:17:04,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 06:17:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 06:17:06,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1033 backedges. 410 proven. 617 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-16 06:17:06,005 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 06:17:06,005 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681836151] [2022-02-16 06:17:06,005 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681836151] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 06:17:06,005 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516769707] [2022-02-16 06:17:06,005 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-16 06:17:06,006 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 06:17:06,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 06:17:06,007 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 06:17:06,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-16 06:17:06,107 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) [2022-02-16 06:17:06,107 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 06:17:06,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 52 conjunts are in the unsatisfiable core [2022-02-16 06:17:06,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 06:17:07,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1033 backedges. 410 proven. 617 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-16 06:17:07,959 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 06:17:10,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1033 backedges. 457 proven. 576 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 06:17:10,617 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [516769707] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 06:17:10,617 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 06:17:10,617 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 53] total 141 [2022-02-16 06:17:10,618 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558239958] [2022-02-16 06:17:10,618 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 06:17:10,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 141 states [2022-02-16 06:17:10,630 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 06:17:10,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2022-02-16 06:17:10,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3688, Invalid=16052, Unknown=0, NotChecked=0, Total=19740 [2022-02-16 06:17:10,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 06:17:10,635 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 06:17:10,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 141 states, 141 states have (on average 2.198581560283688) internal successors, (310), 141 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 06:17:10,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2022-02-16 06:17:10,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-16 06:17:10,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 06:17:13,046 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 610 transitions and produced 579 states. [2022-02-16 06:17:13,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-02-16 06:17:13,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-16 06:17:13,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-02-16 06:17:13,088 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-16 06:17:13,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 06:17:13,247 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 06:17:13,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 06:17:13,249 INFO L85 PathProgramCache]: Analyzing trace with hash 180059998, now seen corresponding path program 4 times [2022-02-16 06:17:13,249 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 06:17:13,249 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906831991] [2022-02-16 06:17:13,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 06:17:13,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 06:17:13,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 06:17:22,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1376 backedges. 355 proven. 1021 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 06:17:22,543 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 06:17:22,543 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906831991] [2022-02-16 06:17:22,544 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906831991] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 06:17:22,544 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1487450620] [2022-02-16 06:17:22,544 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-16 06:17:22,544 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 06:17:22,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 06:17:22,545 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 06:17:22,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-16 06:17:22,639 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-16 06:17:22,639 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 06:17:22,643 WARN L261 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 232 conjunts are in the unsatisfiable core [2022-02-16 06:17:22,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 06:17:38,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-16 06:17:38,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,564 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-16 06:17:38,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-16 06:17:38,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:17:38,606 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-16 06:17:38,614 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 32 select indices, 32 select index equivalence classes, 378 disjoint index pairs (out of 496 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 529 treesize of output 411 [2022-02-16 06:18:32,320 WARN L228 SmtUtils]: Spent 53.68s on a formula simplification. DAG size of input: 2869 DAG size of output: 2401 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-02-16 06:18:32,338 INFO L353 Elim1Store]: treesize reduction 1972, result has 75.7 percent of original size [2022-02-16 06:18:32,339 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 32 select indices, 32 select index equivalence classes, 0 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 496 case distinctions, treesize of input 411 treesize of output 6203 [2022-02-16 06:18:32,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,936 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-16 06:18:32,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-16 06:18:32,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,971 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-16 06:18:32,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 06:18:32,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-16 06:18:32,984 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 32 select indices, 32 select index equivalence classes, 378 disjoint index pairs (out of 496 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 8402 treesize of output 6816 Received shutdown request... [2022-02-16 06:31:09,185 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-16 06:31:09,185 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-16 06:31:09,185 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-16 06:31:09,197 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-16 06:31:09,204 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-16 06:31:09,221 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-16 06:31:09,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 06:31:09,421 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 131 with TraceHistMax 28,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 34ms.. [2022-02-16 06:31:09,423 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-16 06:31:09,423 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-16 06:31:09,423 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-16 06:31:09,429 INFO L732 BasicCegarLoop]: Path program histogram: [4] [2022-02-16 06:31:09,438 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-16 06:31:09,438 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-16 06:31:09,439 INFO L202 PluginConnector]: Adding new model dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 06:31:09 BasicIcfg [2022-02-16 06:31:09,439 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-16 06:31:09,440 INFO L158 Benchmark]: Toolchain (without parser) took 856069.66ms. Allocated memory was 188.7MB in the beginning and 865.1MB in the end (delta: 676.3MB). Free memory was 153.7MB in the beginning and 333.0MB in the end (delta: -179.3MB). Peak memory consumption was 540.7MB. Max. memory is 8.0GB. [2022-02-16 06:31:09,440 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 188.7MB. Free memory is still 154.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-16 06:31:09,440 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.68ms. Allocated memory is still 188.7MB. Free memory was 153.7MB in the beginning and 152.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-16 06:31:09,441 INFO L158 Benchmark]: Boogie Preprocessor took 19.39ms. Allocated memory is still 188.7MB. Free memory was 152.2MB in the beginning and 151.2MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-16 06:31:09,441 INFO L158 Benchmark]: RCFGBuilder took 211.79ms. Allocated memory is still 188.7MB. Free memory was 151.2MB in the beginning and 141.6MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-16 06:31:09,441 INFO L158 Benchmark]: TraceAbstraction took 855812.29ms. Allocated memory was 188.7MB in the beginning and 865.1MB in the end (delta: 676.3MB). Free memory was 141.1MB in the beginning and 333.0MB in the end (delta: -191.9MB). Peak memory consumption was 528.1MB. Max. memory is 8.0GB. [2022-02-16 06:31:09,442 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 0.11ms. Allocated memory is still 188.7MB. Free memory is still 154.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 21.68ms. Allocated memory is still 188.7MB. Free memory was 153.7MB in the beginning and 152.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.39ms. Allocated memory is still 188.7MB. Free memory was 152.2MB in the beginning and 151.2MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 211.79ms. Allocated memory is still 188.7MB. Free memory was 151.2MB in the beginning and 141.6MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 855812.29ms. Allocated memory was 188.7MB in the beginning and 865.1MB in the end (delta: 676.3MB). Free memory was 141.1MB in the beginning and 333.0MB in the end (delta: -191.9MB). Peak memory consumption was 528.1MB. 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: 67]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 131 with TraceHistMax 28,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 34ms.. - TimeoutResultAtElement [Line: 60]: 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 131 with TraceHistMax 28,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 34ms.. - TimeoutResultAtElement [Line: 60]: 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 131 with TraceHistMax 28,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 34ms.. - TimeoutResultAtElement [Line: 61]: 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 131 with TraceHistMax 28,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 34ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 855.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 7.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=0, InterpolantAutomatonStates: 260, 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: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 10.1s InterpolantComputationTime, 612 NumberOfCodeBlocks, 612 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 909 ConstructedInterpolants, 0 QuantifiedInterpolants, 7003 SizeOfPredicates, 18 NumberOfNonLiveVariables, 768 ConjunctsInSsa, 125 ConjunctsInUnsatCore, 9 InterpolantComputations, 0 PerfectInterpolantSequences, 3325/7056 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