/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/popl20/prod-cons3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 11:19:11,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 11:19:11,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 11:19:11,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 11:19:11,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 11:19:11,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 11:19:11,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 11:19:11,069 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 11:19:11,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 11:19:11,076 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 11:19:11,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 11:19:11,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 11:19:11,078 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 11:19:11,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 11:19:11,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 11:19:11,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 11:19:11,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 11:19:11,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 11:19:11,084 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 11:19:11,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 11:19:11,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 11:19:11,097 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 11:19:11,100 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 11:19:11,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 11:19:11,106 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 11:19:11,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 11:19:11,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 11:19:11,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 11:19:11,122 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 [2022-03-16 11:19:11,152 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 11:19:11,153 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 11:19:11,153 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 11:19:11,153 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 11:19:11,154 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 11:19:11,154 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 11:19:11,154 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 11:19:11,154 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 11:19:11,155 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 11:19:11,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 11:19:11,155 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 11:19:11,156 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 11:19:11,156 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 11:19:11,156 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 11:19:11,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 11:19:11,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 11:19:11,156 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 11:19:11,156 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 11:19:11,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 11:19:11,157 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 11:19:11,157 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 11:19:11,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 11:19:11,157 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 11:19:11,157 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 11:19:11,157 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 11:19:11,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 11:19:11,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 11:19:11,158 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 11:19:11,158 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 11:19:11,158 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 11:19:11,158 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 11:19:11,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 11:19:11,158 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 11:19:11,158 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 11:19:11,159 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 11:19:11,159 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 11:19:11,159 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 11:19:11,159 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 11:19:11,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 11:19:11,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 11:19:11,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 11:19:11,394 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 11:19:11,394 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 11:19:11,395 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons3.wvr.bpl [2022-03-16 11:19:11,396 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons3.wvr.bpl' [2022-03-16 11:19:11,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 11:19:11,417 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 11:19:11,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 11:19:11,418 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 11:19:11,418 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 11:19:11,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:19:11" (1/1) ... [2022-03-16 11:19:11,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:19:11" (1/1) ... [2022-03-16 11:19:11,444 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 11:19:11,445 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 11:19:11,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 11:19:11,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 11:19:11,447 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 11:19:11,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:19:11" (1/1) ... [2022-03-16 11:19:11,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:19:11" (1/1) ... [2022-03-16 11:19:11,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:19:11" (1/1) ... [2022-03-16 11:19:11,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:19:11" (1/1) ... [2022-03-16 11:19:11,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:19:11" (1/1) ... [2022-03-16 11:19:11,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:19:11" (1/1) ... [2022-03-16 11:19:11,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:19:11" (1/1) ... [2022-03-16 11:19:11,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 11:19:11,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 11:19:11,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 11:19:11,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 11:19:11,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:19:11" (1/1) ... [2022-03-16 11:19:11,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 11:19:11,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:19:11,508 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) [2022-03-16 11:19:11,526 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 [2022-03-16 11:19:11,544 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 11:19:11,544 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 11:19:11,544 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 11:19:11,544 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 11:19:11,544 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 11:19:11,544 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 11:19:11,544 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 11:19:11,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 11:19:11,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 11:19:11,545 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-16 11:19:11,545 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 11:19:11,546 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 11:19:11,546 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-03-16 11:19:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-16 11:19:11,548 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-16 11:19:11,549 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 11:19:11,598 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 11:19:11,600 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 11:19:11,692 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 11:19:11,708 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 11:19:11,708 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 11:19:11,710 INFO L202 PluginConnector]: Adding new model prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 11:19:11 BoogieIcfgContainer [2022-03-16 11:19:11,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 11:19:11,712 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 11:19:11,712 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 11:19:11,715 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 11:19:11,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:19:11" (1/2) ... [2022-03-16 11:19:11,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b7ad71 and model type prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 11:19:11, skipping insertion in model container [2022-03-16 11:19:11,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 11:19:11" (2/2) ... [2022-03-16 11:19:11,717 INFO L111 eAbstractionObserver]: Analyzing ICFG prod-cons3.wvr.bpl [2022-03-16 11:19:11,721 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 11:19:11,721 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 11:19:11,721 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 11:19:11,721 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 11:19:11,770 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-16 11:19:11,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 11:19:11,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:19:11,810 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) [2022-03-16 11:19:11,811 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 [2022-03-16 11:19:11,858 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 11:19:11,864 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 [2022-03-16 11:19:11,864 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-16 11:19:17,305 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 984186 transitions and produced 287355 states. [2022-03-16 11:19:17,307 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 11:19:17,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:19:17,312 INFO L85 PathProgramCache]: Analyzing trace with hash 389974427, now seen corresponding path program 1 times [2022-03-16 11:19:17,319 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:19:17,320 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273748854] [2022-03-16 11:19:17,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:19:17,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:19:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:19:17,950 INFO L134 CoverageAnalysis]: Checked inductivity of 6590 backedges. 2621 proven. 0 refuted. 0 times theorem prover too weak. 3969 trivial. 0 not checked. [2022-03-16 11:19:17,950 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:19:17,950 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273748854] [2022-03-16 11:19:17,951 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273748854] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 11:19:17,958 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 11:19:17,959 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-16 11:19:17,963 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467157492] [2022-03-16 11:19:17,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 11:19:17,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 11:19:17,971 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:19:18,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 11:19:18,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-16 11:19:18,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:19:18,014 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:19:18,018 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2022-03-16 11:19:18,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:19:38,233 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3050961 transitions and produced 889296 states. [2022-03-16 11:19:38,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:19:38,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-16 11:19:38,235 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 11:19:38,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:19:38,236 INFO L85 PathProgramCache]: Analyzing trace with hash 541384507, now seen corresponding path program 2 times [2022-03-16 11:19:38,236 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:19:38,236 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078867459] [2022-03-16 11:19:38,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:19:38,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:19:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:19:43,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4028 backedges. 508 proven. 3512 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 11:19:43,018 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:19:43,018 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078867459] [2022-03-16 11:19:43,018 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078867459] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:19:43,018 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1533642483] [2022-03-16 11:19:43,018 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 11:19:43,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:19:43,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:19:43,024 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) [2022-03-16 11:19:43,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-16 11:19:43,197 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 11:19:43,198 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:19:43,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 141 conjunts are in the unsatisfiable core [2022-03-16 11:19:43,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:19:48,418 INFO L353 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2022-03-16 11:19:48,419 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 93 treesize of output 53 [2022-03-16 11:19:56,479 INFO L353 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2022-03-16 11:19:56,479 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 62 treesize of output 26 [2022-03-16 11:19:56,722 INFO L134 CoverageAnalysis]: Checked inductivity of 4028 backedges. 511 proven. 3509 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 11:19:56,722 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:20:05,033 INFO L353 Elim1Store]: treesize reduction 264, result has 47.7 percent of original size [2022-03-16 11:20:05,034 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 88 treesize of output 292 [2022-03-16 11:20:15,365 INFO L353 Elim1Store]: treesize reduction 264, result has 47.7 percent of original size [2022-03-16 11:20:15,366 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 73 treesize of output 277 [2022-03-16 11:20:22,605 INFO L134 CoverageAnalysis]: Checked inductivity of 4028 backedges. 654 proven. 3366 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 11:20:22,605 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1533642483] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:20:22,605 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:20:22,605 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84, 79, 79] total 235 [2022-03-16 11:20:22,606 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008053855] [2022-03-16 11:20:22,606 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:20:22,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 235 states [2022-03-16 11:20:22,609 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:20:22,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 235 interpolants. [2022-03-16 11:20:22,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3520, Invalid=51470, Unknown=0, NotChecked=0, Total=54990 [2022-03-16 11:20:22,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:20:22,633 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:20:22,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 235 states, 235 states have (on average 3.0851063829787235) internal successors, (725), 235 states have internal predecessors, (725), 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) [2022-03-16 11:20:22,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:20:22,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:21:26,782 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4554017 transitions and produced 1269789 states. [2022-03-16 11:21:26,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:21:26,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2022-03-16 11:21:26,815 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-16 11:21:26,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-03-16 11:21:26,992 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 11:21:26,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:21:26,993 INFO L85 PathProgramCache]: Analyzing trace with hash 208495657, now seen corresponding path program 3 times [2022-03-16 11:21:26,993 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:21:26,993 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499958034] [2022-03-16 11:21:26,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:21:26,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:21:27,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:21:33,312 INFO L134 CoverageAnalysis]: Checked inductivity of 6585 backedges. 768 proven. 5805 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-03-16 11:21:33,312 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:21:33,313 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499958034] [2022-03-16 11:21:33,313 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499958034] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:21:33,313 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118946860] [2022-03-16 11:21:33,313 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 11:21:33,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:21:33,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:21:33,315 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) [2022-03-16 11:21:33,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-16 11:21:33,534 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 41 check-sat command(s) [2022-03-16 11:21:33,534 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:21:33,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 832 conjuncts, 103 conjunts are in the unsatisfiable core [2022-03-16 11:21:33,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:21:41,853 INFO L353 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2022-03-16 11:21:41,853 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 129 treesize of output 77 [2022-03-16 11:21:48,162 INFO L353 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2022-03-16 11:21:48,162 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 86 treesize of output 34 [2022-03-16 11:21:48,437 INFO L134 CoverageAnalysis]: Checked inductivity of 6585 backedges. 19 proven. 5762 refuted. 0 times theorem prover too weak. 804 trivial. 0 not checked. [2022-03-16 11:21:48,437 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:21:55,551 INFO L353 Elim1Store]: treesize reduction 564, result has 45.8 percent of original size [2022-03-16 11:21:55,552 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 124 treesize of output 548 [2022-03-16 11:22:48,547 INFO L353 Elim1Store]: treesize reduction 564, result has 45.8 percent of original size [2022-03-16 11:22:48,548 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 99 treesize of output 523 [2022-03-16 11:26:50,794 INFO L134 CoverageAnalysis]: Checked inductivity of 6585 backedges. 436 proven. 5345 refuted. 0 times theorem prover too weak. 804 trivial. 0 not checked. [2022-03-16 11:26:50,794 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1118946860] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:26:50,795 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:26:50,795 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [111, 53, 53] total 210 [2022-03-16 11:26:50,795 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497393691] [2022-03-16 11:26:50,795 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:26:50,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 210 states [2022-03-16 11:26:50,796 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:26:50,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 210 interpolants. [2022-03-16 11:26:50,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1638, Invalid=42252, Unknown=0, NotChecked=0, Total=43890 [2022-03-16 11:26:50,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:26:50,802 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:26:50,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 210 states, 210 states have (on average 2.780952380952381) internal successors, (584), 210 states have internal predecessors, (584), 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) [2022-03-16 11:26:50,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:26:50,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 175 states. [2022-03-16 11:26:50,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:27:13,064 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 125553 transitions and produced 37528 states. [2022-03-16 11:27:13,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:27:13,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2022-03-16 11:27:13,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2022-03-16 11:27:13,081 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-16 11:27:13,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:27:13,265 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 11:27:13,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:27:13,266 INFO L85 PathProgramCache]: Analyzing trace with hash -950450223, now seen corresponding path program 4 times [2022-03-16 11:27:13,266 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:27:13,266 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277758543] [2022-03-16 11:27:13,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:27:13,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:27:13,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:27:13,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1273 backedges. 1031 proven. 228 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-03-16 11:27:13,500 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:27:13,500 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277758543] [2022-03-16 11:27:13,500 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277758543] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:27:13,500 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387308640] [2022-03-16 11:27:13,500 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 11:27:13,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:27:13,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:27:13,503 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) [2022-03-16 11:27:13,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-16 11:27:13,598 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 11:27:13,598 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:27:13,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 26 conjunts are in the unsatisfiable core [2022-03-16 11:27:13,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:27:13,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1273 backedges. 785 proven. 228 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2022-03-16 11:27:13,879 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:27:14,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1273 backedges. 785 proven. 228 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2022-03-16 11:27:14,170 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [387308640] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:27:14,170 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:27:14,170 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 13, 13] total 23 [2022-03-16 11:27:14,170 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222093110] [2022-03-16 11:27:14,170 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:27:14,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-16 11:27:14,172 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:27:14,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-16 11:27:14,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=244, Invalid=262, Unknown=0, NotChecked=0, Total=506 [2022-03-16 11:27:14,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:27:14,173 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:27:14,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.521739130434782) internal successors, (173), 23 states have internal predecessors, (173), 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) [2022-03-16 11:27:14,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:27:14,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 175 states. [2022-03-16 11:27:14,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2022-03-16 11:27:14,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:27:14,220 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 937 transitions and produced 817 states. [2022-03-16 11:27:14,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:27:14,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2022-03-16 11:27:14,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2022-03-16 11:27:14,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-16 11:27:14,237 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-16 11:27:14,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:27:14,421 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 11:27:14,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:27:14,422 INFO L85 PathProgramCache]: Analyzing trace with hash -690552911, now seen corresponding path program 5 times [2022-03-16 11:27:14,422 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:27:14,422 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300486398] [2022-03-16 11:27:14,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:27:14,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:27:14,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:27:14,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 1031 proven. 495 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-03-16 11:27:14,701 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:27:14,702 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300486398] [2022-03-16 11:27:14,702 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300486398] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:27:14,702 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084744908] [2022-03-16 11:27:14,702 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 11:27:14,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:27:14,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:27:14,704 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) [2022-03-16 11:27:14,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-16 11:27:14,849 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) [2022-03-16 11:27:14,849 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:27:14,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 38 conjunts are in the unsatisfiable core [2022-03-16 11:27:14,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:27:15,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 986 proven. 495 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-03-16 11:27:15,194 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:27:15,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 986 proven. 495 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-03-16 11:27:15,528 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1084744908] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:27:15,529 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:27:15,529 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 19, 19] total 23 [2022-03-16 11:27:15,529 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380631910] [2022-03-16 11:27:15,529 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:27:15,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-16 11:27:15,532 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:27:15,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-16 11:27:15,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=250, Invalid=256, Unknown=0, NotChecked=0, Total=506 [2022-03-16 11:27:15,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:27:15,533 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:27:15,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 8.304347826086957) internal successors, (191), 23 states have internal predecessors, (191), 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) [2022-03-16 11:27:15,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:27:15,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 175 states. [2022-03-16 11:27:15,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2022-03-16 11:27:15,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-16 11:27:15,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:27:15,582 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1051 transitions and produced 895 states. [2022-03-16 11:27:15,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:27:15,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2022-03-16 11:27:15,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2022-03-16 11:27:15,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-16 11:27:15,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-16 11:27:15,602 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-03-16 11:27:15,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:27:15,786 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 11:27:15,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:27:15,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1576370287, now seen corresponding path program 6 times [2022-03-16 11:27:15,787 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:27:15,787 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511746500] [2022-03-16 11:27:15,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:27:15,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:27:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:27:20,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1915 backedges. 127 proven. 1746 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-03-16 11:27:20,734 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:27:20,734 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511746500] [2022-03-16 11:27:20,734 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511746500] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:27:20,734 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31817106] [2022-03-16 11:27:20,734 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-16 11:27:20,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:27:20,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:27:20,735 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 11:27:20,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-16 11:27:20,850 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 25 check-sat command(s) [2022-03-16 11:27:20,850 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:27:20,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 174 conjunts are in the unsatisfiable core [2022-03-16 11:27:20,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:27:34,015 INFO L353 Elim1Store]: treesize reduction 416, result has 0.2 percent of original size [2022-03-16 11:27:34,015 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 169 treesize of output 101 [2022-03-16 11:27:39,200 INFO L353 Elim1Store]: treesize reduction 416, result has 0.2 percent of original size [2022-03-16 11:27:39,200 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 110 treesize of output 42 [2022-03-16 11:27:39,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1915 backedges. 9 proven. 1861 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-03-16 11:27:39,458 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:27:50,102 INFO L353 Elim1Store]: treesize reduction 976, result has 44.8 percent of original size [2022-03-16 11:27:50,103 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 160 treesize of output 884 Received shutdown request... [2022-03-16 11:31:54,380 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-16 11:31:54,384 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2022-03-16 11:31:54,402 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 [2022-03-16 11:31:54,402 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 [2022-03-16 11:31:54,402 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 11:31:54,402 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-16 11:31:54,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:31:54,585 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 212 with TraceHistMax 24,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 58ms.. [2022-03-16 11:31:54,587 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-03-16 11:31:54,587 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-03-16 11:31:54,587 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-03-16 11:31:54,588 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-03-16 11:31:54,592 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-16 11:31:54,594 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 11:31:54,594 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 11:31:54,596 INFO L202 PluginConnector]: Adding new model prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 11:31:54 BasicIcfg [2022-03-16 11:31:54,596 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 11:31:54,597 INFO L158 Benchmark]: Toolchain (without parser) took 763179.87ms. Allocated memory was 199.2MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 155.3MB in the beginning and 3.7GB in the end (delta: -3.6GB). Peak memory consumption was 4.4GB. Max. memory is 8.0GB. [2022-03-16 11:31:54,597 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 199.2MB. Free memory is still 156.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 11:31:54,597 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.55ms. Allocated memory is still 199.2MB. Free memory was 155.3MB in the beginning and 153.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 11:31:54,598 INFO L158 Benchmark]: Boogie Preprocessor took 24.96ms. Allocated memory is still 199.2MB. Free memory was 153.7MB in the beginning and 152.8MB in the end (delta: 939.6kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 11:31:54,598 INFO L158 Benchmark]: RCFGBuilder took 238.68ms. Allocated memory is still 199.2MB. Free memory was 152.6MB in the beginning and 142.7MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-16 11:31:54,598 INFO L158 Benchmark]: TraceAbstraction took 762884.44ms. Allocated memory was 199.2MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 142.2MB in the beginning and 3.7GB in the end (delta: -3.6GB). Peak memory consumption was 4.4GB. Max. memory is 8.0GB. [2022-03-16 11:31:54,600 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 199.2MB. Free memory is still 156.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.55ms. Allocated memory is still 199.2MB. Free memory was 155.3MB in the beginning and 153.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.96ms. Allocated memory is still 199.2MB. Free memory was 153.7MB in the beginning and 152.8MB in the end (delta: 939.6kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 238.68ms. Allocated memory is still 199.2MB. Free memory was 152.6MB in the beginning and 142.7MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 762884.44ms. Allocated memory was 199.2MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 142.2MB in the beginning and 3.7GB in the end (delta: -3.6GB). Peak memory consumption was 4.4GB. 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: 89]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 212 with TraceHistMax 24,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 58ms.. - TimeoutResultAtElement [Line: 80]: 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 212 with TraceHistMax 24,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 58ms.. - TimeoutResultAtElement [Line: 80]: 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 212 with TraceHistMax 24,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 58ms.. - 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 212 with TraceHistMax 24,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 58ms.. - TimeoutResultAtElement [Line: 82]: 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 212 with TraceHistMax 24,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 58ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 61 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 762.8s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 112.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 296, 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, 1.2s SatisfiabilityAnalysisTime, 369.1s InterpolantComputationTime, 2194 NumberOfCodeBlocks, 2185 NumberOfCodeBlocksAsserted, 68 NumberOfCheckSat, 3116 ConstructedInterpolants, 0 QuantifiedInterpolants, 80190 SizeOfPredicates, 56 NumberOfNonLiveVariables, 2580 ConjunctsInSsa, 308 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 17400/46868 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