/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy.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-820ea7a [2022-02-20 03:45:05,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 03:45:05,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 03:45:05,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 03:45:05,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 03:45:05,251 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 03:45:05,254 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 03:45:05,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 03:45:05,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 03:45:05,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 03:45:05,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 03:45:05,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 03:45:05,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 03:45:05,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 03:45:05,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 03:45:05,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 03:45:05,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 03:45:05,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 03:45:05,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 03:45:05,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 03:45:05,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 03:45:05,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 03:45:05,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 03:45:05,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 03:45:05,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-20 03:45:05,315 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 03:45:05,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 03:45:05,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 03:45:05,317 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy.epf [2022-02-20 03:45:05,353 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 03:45:05,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 03:45:05,353 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 03:45:05,353 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 03:45:05,354 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 03:45:05,354 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 03:45:05,354 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 03:45:05,354 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 03:45:05,354 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 03:45:05,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 03:45:05,355 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 03:45:05,355 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 03:45:05,357 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 03:45:05,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 03:45:05,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 03:45:05,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 03:45:05,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 03:45:05,358 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 03:45:05,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 03:45:05,358 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 03:45:05,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 03:45:05,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 03:45:05,358 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 03:45:05,359 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-20 03:45:05,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 03:45:05,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 03:45:05,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 03:45:05,360 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-20 03:45:05,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 03:45:05,360 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 03:45:05,360 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 03:45:05,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 03:45:05,361 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 03:45:05,361 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-20 03:45:05,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 03:45:05,361 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-20 03:45:05,362 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-20 03:45:05,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 03:45:05,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 03:45:05,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 03:45:05,587 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-20 03:45:05,600 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-20 03:45:05,601 INFO L432 ainManager$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 [2022-02-20 03:45:05,601 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl' [2022-02-20 03:45:05,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 03:45:05,618 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-20 03:45:05,624 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 03:45:05,625 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 03:45:05,625 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 03:45:05,635 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 20.02 03:45:05" (1/1) ... [2022-02-20 03:45:05,640 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 20.02 03:45:05" (1/1) ... [2022-02-20 03:45:05,650 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-20 03:45:05,651 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 03:45:05,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 03:45:05,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 03:45:05,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 03:45:05,658 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 20.02 03:45:05" (1/1) ... [2022-02-20 03:45:05,658 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 20.02 03:45:05" (1/1) ... [2022-02-20 03:45:05,659 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 20.02 03:45:05" (1/1) ... [2022-02-20 03:45:05,661 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 20.02 03:45:05" (1/1) ... [2022-02-20 03:45:05,664 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 20.02 03:45:05" (1/1) ... [2022-02-20 03:45:05,666 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 20.02 03:45:05" (1/1) ... [2022-02-20 03:45:05,666 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 20.02 03:45:05" (1/1) ... [2022-02-20 03:45:05,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 03:45:05,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 03:45:05,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 03:45:05,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 03:45:05,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 03:45:05" (1/1) ... [2022-02-20 03:45:05,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 03:45:05,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:45:05,704 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) [2022-02-20 03:45:05,724 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 [2022-02-20 03:45:05,733 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-20 03:45:05,733 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-20 03:45:05,733 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-20 03:45:05,733 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-20 03:45:05,733 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-20 03:45:05,733 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-20 03:45:05,733 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-20 03:45:05,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 03:45:05,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 03:45:05,733 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-20 03:45:05,733 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-20 03:45:05,733 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-20 03:45:05,734 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-02-20 03:45:05,734 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-02-20 03:45:05,734 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-02-20 03:45:05,736 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-20 03:45:05,769 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 03:45:05,770 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 03:45:05,838 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 03:45:05,853 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 03:45:05,853 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-02-20 03:45:05,854 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2022-02-20 03:45:05,854 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2022-02-20 03:45:05,854 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread4EXIT is neither atomic block end nor error location. [2022-02-20 03:45:05,855 INFO L202 PluginConnector]: Adding new model parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 03:45:05 BoogieIcfgContainer [2022-02-20 03:45:05,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 03:45:05,856 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 03:45:05,856 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 03:45:05,858 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 03:45:05,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 03:45:05" (1/2) ... [2022-02-20 03:45:05,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10a6b8aa and model type parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 03:45:05, skipping insertion in model container [2022-02-20 03:45:05,860 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 20.02 03:45:05" (2/2) ... [2022-02-20 03:45:05,861 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-sum-equiv.wvr.bpl [2022-02-20 03:45:05,868 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-20 03:45:05,868 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 03:45:05,869 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 03:45:05,869 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-20 03:45:05,904 INFO L148 ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions. [2022-02-20 03:45:05,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-20 03:45:05,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:45:05,959 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) [2022-02-20 03:45:05,965 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 [2022-02-20 03:45:06,018 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 03:45:06,022 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 [2022-02-20 03:45:06,023 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-02-20 03:45:06,103 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 233 transitions and produced 176 states. [2022-02-20 03:45:06,105 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-20 03:45:06,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 03:45:06,109 INFO L85 PathProgramCache]: Analyzing trace with hash -827380568, now seen corresponding path program 1 times [2022-02-20 03:45:06,115 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 03:45:06,115 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164984890] [2022-02-20 03:45:06,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:45:06,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 03:45:06,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:45:06,456 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 55 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:45:06,456 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 03:45:06,457 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164984890] [2022-02-20 03:45:06,458 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164984890] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 03:45:06,459 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730740816] [2022-02-20 03:45:06,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:45:06,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:45:06,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:45:06,461 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) [2022-02-20 03:45:06,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-20 03:45:06,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:45:06,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-20 03:45:06,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 03:45:06,852 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 55 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:45:06,853 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 03:45:07,097 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 55 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:45:07,097 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1730740816] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 03:45:07,098 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 03:45:07,098 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 32 [2022-02-20 03:45:07,101 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078915388] [2022-02-20 03:45:07,103 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 03:45:07,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-02-20 03:45:07,108 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 03:45:07,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-02-20 03:45:07,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=272, Invalid=720, Unknown=0, NotChecked=0, Total=992 [2022-02-20 03:45:07,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:45:07,133 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 03:45:07,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 2.5) internal successors, (80), 32 states have internal predecessors, (80), 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) [2022-02-20 03:45:07,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:45:07,641 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 178 transitions and produced 172 states. [2022-02-20 03:45:07,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-20 03:45:07,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-20 03:45:07,842 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 [2022-02-20 03:45:07,842 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-20 03:45:07,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 03:45:07,843 INFO L85 PathProgramCache]: Analyzing trace with hash -210262169, now seen corresponding path program 1 times [2022-02-20 03:45:07,843 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 03:45:07,843 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292332002] [2022-02-20 03:45:07,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:45:07,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 03:45:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:45:08,061 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 100 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:45:08,061 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 03:45:08,061 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292332002] [2022-02-20 03:45:08,061 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292332002] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 03:45:08,061 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27923448] [2022-02-20 03:45:08,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:45:08,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:45:08,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:45:08,080 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) [2022-02-20 03:45:08,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-20 03:45:08,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:45:08,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 20 conjunts are in the unsatisfiable core [2022-02-20 03:45:08,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 03:45:08,385 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 100 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:45:08,385 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 03:45:08,583 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 100 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:45:08,583 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [27923448] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 03:45:08,583 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 03:45:08,583 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 37 [2022-02-20 03:45:08,583 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299476199] [2022-02-20 03:45:08,583 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 03:45:08,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-02-20 03:45:08,584 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 03:45:08,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-02-20 03:45:08,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=1009, Unknown=0, NotChecked=0, Total=1332 [2022-02-20 03:45:08,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:45:08,585 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 03:45:08,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.4324324324324325) internal successors, (90), 37 states have internal predecessors, (90), 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) [2022-02-20 03:45:08,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-20 03:45:08,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:45:09,026 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 213 transitions and produced 203 states. [2022-02-20 03:45:09,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-20 03:45:09,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-20 03:45:09,043 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-02-20 03:45:09,227 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 [2022-02-20 03:45:09,228 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-20 03:45:09,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 03:45:09,228 INFO L85 PathProgramCache]: Analyzing trace with hash 2081311953, now seen corresponding path program 2 times [2022-02-20 03:45:09,228 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 03:45:09,229 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912510294] [2022-02-20 03:45:09,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:45:09,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 03:45:09,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:45:11,909 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 63 proven. 179 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:45:11,910 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 03:45:11,910 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912510294] [2022-02-20 03:45:11,910 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912510294] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 03:45:11,910 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301712651] [2022-02-20 03:45:11,910 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 03:45:11,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:45:11,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:45:11,912 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) [2022-02-20 03:45:11,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-20 03:45:11,996 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 03:45:11,996 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 03:45:11,999 WARN L261 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 142 conjunts are in the unsatisfiable core [2022-02-20 03:45:12,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 03:45:17,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,901 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:17,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:17,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,913 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:17,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:17,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:17,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,937 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:17,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:17,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,946 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:17,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:17,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:45:17,956 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:17,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:17,961 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 55 disjoint index pairs (out of 231 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 63 [2022-02-20 03:45:18,096 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:45:18,096 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 03:45:32,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,475 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,476 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,476 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,477 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,477 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,477 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,478 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,478 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,494 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,494 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,514 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,515 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,517 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,517 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,517 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,531 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,531 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:32,560 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:45:34,999 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 03:45:35,000 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 110 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 121 case distinctions, treesize of input 181 treesize of output 1242 [2022-02-20 03:48:18,612 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:48:18,612 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [301712651] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 03:48:18,612 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 03:48:18,612 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 49, 49] total 137 [2022-02-20 03:48:18,613 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465471391] [2022-02-20 03:48:18,613 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 03:48:18,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 137 states [2022-02-20 03:48:18,613 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 03:48:18,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2022-02-20 03:48:18,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=899, Invalid=17733, Unknown=0, NotChecked=0, Total=18632 [2022-02-20 03:48:18,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:48:18,621 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 03:48:18,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 137 states, 137 states have (on average 1.1094890510948905) internal successors, (152), 137 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 03:48:18,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-20 03:48:18,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-20 03:48:18,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:48:30,530 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 229 transitions and produced 215 states. [2022-02-20 03:48:30,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-20 03:48:30,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-20 03:48:30,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2022-02-20 03:48:30,550 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-02-20 03:48:30,731 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 [2022-02-20 03:48:30,731 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-20 03:48:30,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 03:48:30,732 INFO L85 PathProgramCache]: Analyzing trace with hash 121005553, now seen corresponding path program 3 times [2022-02-20 03:48:30,732 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 03:48:30,732 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944340843] [2022-02-20 03:48:30,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:48:30,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 03:48:30,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:48:33,883 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:48:33,883 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 03:48:33,884 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944340843] [2022-02-20 03:48:33,884 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944340843] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 03:48:33,885 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [359218563] [2022-02-20 03:48:33,885 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-20 03:48:33,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:48:33,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:48:33,886 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) [2022-02-20 03:48:33,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-20 03:48:33,979 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2022-02-20 03:48:33,980 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 03:48:33,982 WARN L261 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 153 conjunts are in the unsatisfiable core [2022-02-20 03:48:33,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 03:48:51,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,448 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:48:51,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,470 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:48:51,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:48:51,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,536 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:48:51,537 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:48:51,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,563 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:48:51,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:48:51,580 INFO L244 Elim1Store]: Index analysis took 141 ms [2022-02-20 03:48:52,852 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 03:48:52,852 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 170 treesize of output 1102 [2022-02-20 03:54:15,655 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:54:15,656 INFO L328 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2022-02-20 03:59:29,817 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 [2022-02-20 03:59:29,825 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 [2022-02-20 03:59:29,825 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 [2022-02-20 03:59:30,446 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (6 of 7 remaining) [2022-02-20 03:59:30,463 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-20 03:59:30,646 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 [2022-02-20 03:59:30,647 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 130 known predicates. [2022-02-20 03:59:30,648 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4INUSE_VIOLATION (5 of 7 remaining) [2022-02-20 03:59:30,648 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err5INUSE_VIOLATION (4 of 7 remaining) [2022-02-20 03:59:30,648 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (3 of 7 remaining) [2022-02-20 03:59:30,648 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (2 of 7 remaining) [2022-02-20 03:59:30,648 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork0Err0INUSE_VIOLATION (1 of 7 remaining) [2022-02-20 03:59:30,648 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork0Err1INUSE_VIOLATION (0 of 7 remaining) [2022-02-20 03:59:30,652 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1] [2022-02-20 03:59:30,654 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-20 03:59:30,654 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 03:59:30,655 INFO L202 PluginConnector]: Adding new model parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 03:59:30 BasicIcfg [2022-02-20 03:59:30,655 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 03:59:30,656 INFO L158 Benchmark]: Toolchain (without parser) took 865037.68ms. Allocated memory was 176.2MB in the beginning and 766.5MB in the end (delta: 590.3MB). Free memory was 140.5MB in the beginning and 607.2MB in the end (delta: -466.7MB). Peak memory consumption was 125.3MB. Max. memory is 8.0GB. [2022-02-20 03:59:30,656 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 176.2MB. Free memory is still 141.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-20 03:59:30,656 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.71ms. Allocated memory is still 176.2MB. Free memory was 140.4MB in the beginning and 138.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-20 03:59:30,657 INFO L158 Benchmark]: Boogie Preprocessor took 14.64ms. Allocated memory is still 176.2MB. Free memory was 138.9MB in the beginning and 137.9MB in the end (delta: 963.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-20 03:59:30,657 INFO L158 Benchmark]: RCFGBuilder took 186.96ms. Allocated memory is still 176.2MB. Free memory was 137.9MB in the beginning and 127.7MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-20 03:59:30,657 INFO L158 Benchmark]: TraceAbstraction took 864799.05ms. Allocated memory was 176.2MB in the beginning and 766.5MB in the end (delta: 590.3MB). Free memory was 127.1MB in the beginning and 607.2MB in the end (delta: -480.0MB). Peak memory consumption was 111.7MB. Max. memory is 8.0GB. [2022-02-20 03:59:30,658 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.10ms. Allocated memory is still 176.2MB. Free memory is still 141.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.71ms. Allocated memory is still 176.2MB. Free memory was 140.4MB in the beginning and 138.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.64ms. Allocated memory is still 176.2MB. Free memory was 138.9MB in the beginning and 137.9MB in the end (delta: 963.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 186.96ms. Allocated memory is still 176.2MB. Free memory was 137.9MB in the beginning and 127.7MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 864799.05ms. Allocated memory was 176.2MB in the beginning and 766.5MB in the end (delta: 590.3MB). Free memory was 127.1MB in the beginning and 607.2MB in the end (delta: -480.0MB). Peak memory consumption was 111.7MB. 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 130 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 130 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 130 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 130 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 130 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 130 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 130 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: 864.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 12.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 142, 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, 0.2s SatisfiabilityAnalysisTime, 190.6s InterpolantComputationTime, 304 NumberOfCodeBlocks, 304 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 447 ConstructedInterpolants, 45 QuantifiedInterpolants, 14183 SizeOfPredicates, 35 NumberOfNonLiveVariables, 532 ConjunctsInSsa, 178 ConjunctsInUnsatCore, 9 InterpolantComputations, 0 PerfectInterpolantSequences, 528/1428 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