/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-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 05:38:27,452 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 05:38:27,453 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 05:38:27,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-04 05:38:27,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-04 05:38:27,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-04 05:38:27,498 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-04 05:38:27,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-04 05:38:27,505 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-04 05:38:27,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-04 05:38:27,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-04 05:38:27,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-04 05:38:27,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 05:38:27,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 05:38:27,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 05:38:27,509 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 05:38:27,510 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 05:38:27,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 05:38:27,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 05:38:27,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 05:38:27,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 05:38:27,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 05:38:27,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 05:38:27,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 05:38:27,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-04 05:38:27,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 05:38:27,537 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 05:38:27,538 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 05:38:27,540 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-NoForkJoinOpt.epf [2022-03-04 05:38:27,561 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 05:38:27,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 05:38:27,562 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 05:38:27,562 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 05:38:27,563 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 05:38:27,563 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 05:38:27,563 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 05:38:27,563 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 05:38:27,563 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 05:38:27,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 05:38:27,564 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 05:38:27,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 05:38:27,564 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 05:38:27,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 05:38:27,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 05:38:27,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 05:38:27,565 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 05:38:27,565 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 05:38:27,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 05:38:27,565 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 05:38:27,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 05:38:27,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 05:38:27,565 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 05:38:27,565 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 05:38:27,566 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 05:38:27,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 05:38:27,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 05:38:27,566 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 05:38:27,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 05:38:27,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 05:38:27,567 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 05:38:27,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 05:38:27,567 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 05:38:27,567 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 05:38:27,567 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 05:38:27,567 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-04 05:38:27,567 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-04 05:38:27,567 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 05:38:27,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 05:38:27,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 05:38:27,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 05:38:27,763 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-04 05:38:27,764 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-04 05:38:27,765 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl [2022-03-04 05:38:27,766 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl' [2022-03-04 05:38:27,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 05:38:27,784 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-04 05:38:27,785 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 05:38:27,785 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 05:38:27,785 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 05:38:27,793 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 04.03 05:38:27" (1/1) ... [2022-03-04 05:38:27,798 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 04.03 05:38:27" (1/1) ... [2022-03-04 05:38:27,803 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-04 05:38:27,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 05:38:27,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 05:38:27,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 05:38:27,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 05:38:27,811 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 04.03 05:38:27" (1/1) ... [2022-03-04 05:38:27,811 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 04.03 05:38:27" (1/1) ... [2022-03-04 05:38:27,811 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 04.03 05:38:27" (1/1) ... [2022-03-04 05:38:27,812 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 04.03 05:38:27" (1/1) ... [2022-03-04 05:38:27,813 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 04.03 05:38:27" (1/1) ... [2022-03-04 05:38:27,815 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 04.03 05:38:27" (1/1) ... [2022-03-04 05:38:27,816 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 04.03 05:38:27" (1/1) ... [2022-03-04 05:38:27,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 05:38:27,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 05:38:27,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 05:38:27,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 05:38:27,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:38:27" (1/1) ... [2022-03-04 05:38:27,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 05:38:27,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:38:27,853 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-04 05:38:27,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-04 05:38:27,901 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-04 05:38:27,901 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-04 05:38:27,901 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-04 05:38:27,902 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-04 05:38:27,902 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-04 05:38:27,902 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-04 05:38:27,902 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-04 05:38:27,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 05:38:27,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 05:38:27,902 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-04 05:38:27,902 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-04 05:38:27,903 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-04 05:38:27,903 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-03-04 05:38:27,903 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-04 05:38:27,905 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-04 05:38:27,906 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 05:38:27,940 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 05:38:27,941 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 05:38:28,013 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 05:38:28,030 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 05:38:28,030 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-03-04 05:38:28,031 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2022-03-04 05:38:28,038 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2022-03-04 05:38:28,038 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread4EXIT is neither atomic block end nor error location. [2022-03-04 05:38:28,040 INFO L202 PluginConnector]: Adding new model parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 05:38:28 BoogieIcfgContainer [2022-03-04 05:38:28,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 05:38:28,041 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 05:38:28,041 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 05:38:28,054 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 05:38:28,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:38:27" (1/2) ... [2022-03-04 05:38:28,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44fdd54f and model type parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 05:38:28, skipping insertion in model container [2022-03-04 05:38:28,055 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 04.03 05:38:28" (2/2) ... [2022-03-04 05:38:28,056 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-sum-equiv.wvr.bpl [2022-03-04 05:38:28,060 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 05:38:28,060 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 05:38:28,060 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 05:38:28,061 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 05:38:28,100 INFO L148 ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions. [2022-03-04 05:38:28,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 05:38:28,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:38:28,188 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-04 05:38:28,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-04 05:38:28,257 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 05:38:28,261 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=false, mMcrOverapproximateWrwc=true [2022-03-04 05:38:28,261 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-03-04 05:38:28,376 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 233 transitions and produced 176 states. [2022-03-04 05:38:28,377 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-03-04 05:38:28,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:38:28,381 INFO L85 PathProgramCache]: Analyzing trace with hash -827380568, now seen corresponding path program 1 times [2022-03-04 05:38:28,389 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:38:28,389 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741926358] [2022-03-04 05:38:28,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:38:28,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:38:28,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:38:28,763 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 55 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:38:28,764 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:38:28,764 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741926358] [2022-03-04 05:38:28,764 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741926358] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:38:28,764 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125746998] [2022-03-04 05:38:28,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:38:28,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:38:28,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:38:28,766 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:38:28,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-04 05:38:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:38:28,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 16 conjunts are in the unsatisfiable core [2022-03-04 05:38:28,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:38:29,086 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 55 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:38:29,087 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:38:29,314 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 55 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:38:29,314 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2125746998] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:38:29,314 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:38:29,315 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 32 [2022-03-04 05:38:29,317 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853508645] [2022-03-04 05:38:29,318 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:38:29,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-04 05:38:29,321 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:38:29,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-04 05:38:29,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=272, Invalid=720, Unknown=0, NotChecked=0, Total=992 [2022-03-04 05:38:29,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:38:29,341 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:38:29,343 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) [2022-03-04 05:38:29,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:38:29,815 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 178 transitions and produced 172 states. [2022-03-04 05:38:29,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-04 05:38:29,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-04 05:38:30,016 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 [2022-03-04 05:38:30,017 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-03-04 05:38:30,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:38:30,017 INFO L85 PathProgramCache]: Analyzing trace with hash -210262169, now seen corresponding path program 1 times [2022-03-04 05:38:30,018 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:38:30,018 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183898506] [2022-03-04 05:38:30,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:38:30,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:38:30,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:38:30,234 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 100 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:38:30,234 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:38:30,234 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183898506] [2022-03-04 05:38:30,235 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183898506] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:38:30,235 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000227478] [2022-03-04 05:38:30,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:38:30,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:38:30,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:38:30,237 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:38:30,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-04 05:38:30,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:38:30,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 20 conjunts are in the unsatisfiable core [2022-03-04 05:38:30,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:38:30,491 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 100 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:38:30,492 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:38:30,701 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 100 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:38:30,701 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000227478] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:38:30,702 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:38:30,702 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 37 [2022-03-04 05:38:30,702 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63285839] [2022-03-04 05:38:30,702 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:38:30,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-03-04 05:38:30,703 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:38:30,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-03-04 05:38:30,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=1009, Unknown=0, NotChecked=0, Total=1332 [2022-03-04 05:38:30,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:38:30,704 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:38:30,704 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) [2022-03-04 05:38:30,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-03-04 05:38:30,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:38:31,119 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 213 transitions and produced 203 states. [2022-03-04 05:38:31,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-04 05:38:31,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:38:31,138 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-04 05:38:31,319 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 [2022-03-04 05:38:31,320 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-03-04 05:38:31,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:38:31,320 INFO L85 PathProgramCache]: Analyzing trace with hash 2081311953, now seen corresponding path program 2 times [2022-03-04 05:38:31,321 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:38:31,321 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418686875] [2022-03-04 05:38:31,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:38:31,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:38:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:38:33,817 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 63 proven. 179 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:38:33,817 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:38:33,817 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418686875] [2022-03-04 05:38:33,817 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418686875] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:38:33,817 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153218105] [2022-03-04 05:38:33,817 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 05:38:33,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:38:33,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:38:33,832 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:38:33,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-04 05:38:33,889 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 05:38:33,890 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:38:33,892 WARN L261 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 142 conjunts are in the unsatisfiable core [2022-03-04 05:38:33,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:38:39,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:39,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,537 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:39,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:39,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:39,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,567 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:39,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:39,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:39,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:39,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:39,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:38:39,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:39,603 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:39,611 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 [2022-03-04 05:38:39,784 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:38:39,785 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:38:52,788 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,790 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,792 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,795 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,807 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,846 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,858 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,858 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:52,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:38:55,006 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 05:38:55,007 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 [2022-03-04 05:41:21,083 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:41:21,083 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [153218105] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:41:21,083 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:41:21,083 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 49, 49] total 137 [2022-03-04 05:41:21,084 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146136063] [2022-03-04 05:41:21,084 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:41:21,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 137 states [2022-03-04 05:41:21,084 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:41:21,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2022-03-04 05:41:21,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=899, Invalid=17733, Unknown=0, NotChecked=0, Total=18632 [2022-03-04 05:41:21,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:41:21,092 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:41:21,092 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) [2022-03-04 05:41:21,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-03-04 05:41:21,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:41:21,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:41:32,906 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 229 transitions and produced 215 states. [2022-03-04 05:41:32,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-04 05:41:32,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:41:32,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2022-03-04 05:41:32,929 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-04 05:41:33,106 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 [2022-03-04 05:41:33,107 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-03-04 05:41:33,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:41:33,108 INFO L85 PathProgramCache]: Analyzing trace with hash 121005553, now seen corresponding path program 3 times [2022-03-04 05:41:33,108 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:41:33,108 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944635591] [2022-03-04 05:41:33,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:41:33,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:41:33,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:41:36,265 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:41:36,266 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:41:36,266 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944635591] [2022-03-04 05:41:36,266 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944635591] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:41:36,266 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923409404] [2022-03-04 05:41:36,266 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 05:41:36,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:41:36,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:41:36,268 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:41:36,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-04 05:41:36,350 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2022-03-04 05:41:36,350 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:41:36,353 WARN L261 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 153 conjunts are in the unsatisfiable core [2022-03-04 05:41:36,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:41:53,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:41:53,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,679 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:41:53,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,740 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:41:53,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:41:53,752 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:41:53,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:41:53,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:41:53,792 INFO L244 Elim1Store]: Index analysis took 137 ms [2022-03-04 05:41:54,940 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 05:41:54,940 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 [2022-03-04 05:46:40,826 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:46:40,826 INFO L328 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2022-03-04 05:52:49,802 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 05:52:49,802 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 05:52:49,802 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 [2022-03-04 05:52:50,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-04 05:52:50,838 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-03-04 05:52:50,995 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (6 of 7 remaining) [2022-03-04 05:52:50,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-04 05:52:50,996 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 65 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while executing Executor. [2022-03-04 05:52:50,997 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4INUSE_VIOLATION (5 of 7 remaining) [2022-03-04 05:52:50,997 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err5INUSE_VIOLATION (4 of 7 remaining) [2022-03-04 05:52:50,997 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (3 of 7 remaining) [2022-03-04 05:52:50,997 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (2 of 7 remaining) [2022-03-04 05:52:50,997 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork0Err0INUSE_VIOLATION (1 of 7 remaining) [2022-03-04 05:52:50,997 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork0Err1INUSE_VIOLATION (0 of 7 remaining) [2022-03-04 05:52:51,001 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1] [2022-03-04 05:52:51,003 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-03-04 05:52:51,007 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 05:52:51,007 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 05:52:51,009 INFO L202 PluginConnector]: Adding new model parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 05:52:51 BasicIcfg [2022-03-04 05:52:51,009 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 05:52:51,013 INFO L158 Benchmark]: Toolchain (without parser) took 863225.47ms. Allocated memory was 156.2MB in the beginning and 715.1MB in the end (delta: 558.9MB). Free memory was 113.8MB in the beginning and 321.8MB in the end (delta: -208.0MB). Peak memory consumption was 352.0MB. Max. memory is 8.0GB. [2022-03-04 05:52:51,015 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 156.2MB. Free memory is still 115.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 05:52:51,015 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.51ms. Allocated memory is still 156.2MB. Free memory was 113.7MB in the beginning and 112.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 05:52:51,015 INFO L158 Benchmark]: Boogie Preprocessor took 11.06ms. Allocated memory is still 156.2MB. Free memory was 112.2MB in the beginning and 111.2MB in the end (delta: 951.5kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 05:52:51,016 INFO L158 Benchmark]: RCFGBuilder took 223.32ms. Allocated memory is still 156.2MB. Free memory was 111.2MB in the beginning and 101.1MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-04 05:52:51,017 INFO L158 Benchmark]: TraceAbstraction took 862967.97ms. Allocated memory was 156.2MB in the beginning and 715.1MB in the end (delta: 558.9MB). Free memory was 100.6MB in the beginning and 321.8MB in the end (delta: -221.2MB). Peak memory consumption was 339.4MB. Max. memory is 8.0GB. [2022-03-04 05:52:51,018 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 0.12ms. Allocated memory is still 156.2MB. Free memory is still 115.0MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.51ms. Allocated memory is still 156.2MB. Free memory was 113.7MB in the beginning and 112.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 11.06ms. Allocated memory is still 156.2MB. Free memory was 112.2MB in the beginning and 111.2MB in the end (delta: 951.5kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 223.32ms. Allocated memory is still 156.2MB. Free memory was 111.2MB in the beginning and 101.1MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 862967.97ms. Allocated memory was 156.2MB in the beginning and 715.1MB in the end (delta: 558.9MB). Free memory was 100.6MB in the beginning and 321.8MB in the end (delta: -221.2MB). Peak memory consumption was 339.4MB. 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 executing Executor. - 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 executing Executor. - 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 executing Executor. - 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 executing Executor. - 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 executing Executor. - 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 executing Executor. - 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 executing Executor. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 49 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 862.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 12.8s, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 171.0s 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