/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/mult-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 11:15:27,563 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 11:15:27,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 11:15:27,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 11:15:27,634 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 11:15:27,634 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 11:15:27,635 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 11:15:27,636 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 11:15:27,639 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 11:15:27,642 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 11:15:27,642 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 11:15:27,644 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 11:15:27,644 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 11:15:27,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 11:15:27,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 11:15:27,647 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 11:15:27,648 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 11:15:27,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 11:15:27,650 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 11:15:27,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 11:15:27,655 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 11:15:27,655 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 11:15:27,657 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 11:15:27,657 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 11:15:27,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 11:15:27,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 11:15:27,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 11:15:27,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 11:15:27,671 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 11:15:27,693 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 11:15:27,693 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 11:15:27,693 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 11:15:27,693 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 11:15:27,694 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 11:15:27,694 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 11:15:27,694 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 11:15:27,694 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 11:15:27,694 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 11:15:27,695 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 11:15:27,695 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 11:15:27,695 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 11:15:27,695 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 11:15:27,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 11:15:27,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 11:15:27,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 11:15:27,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 11:15:27,696 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 11:15:27,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 11:15:27,696 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 11:15:27,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 11:15:27,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 11:15:27,696 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 11:15:27,696 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 11:15:27,696 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 11:15:27,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 11:15:27,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 11:15:27,697 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 11:15:27,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 11:15:27,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 11:15:27,697 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 11:15:27,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 11:15:27,697 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 11:15:27,697 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 11:15:27,697 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 11:15:27,697 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 11:15:27,697 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 11:15:27,697 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 11:15:27,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 11:15:27,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 11:15:27,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 11:15:27,936 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 11:15:27,953 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 11:15:27,954 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/mult-4.wvr.bpl [2022-03-16 11:15:27,954 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/mult-4.wvr.bpl' [2022-03-16 11:15:27,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 11:15:27,972 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 11:15:27,973 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 11:15:27,973 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 11:15:27,974 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 11:15:27,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:15:27" (1/1) ... [2022-03-16 11:15:27,987 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:15:27" (1/1) ... [2022-03-16 11:15:27,992 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 11:15:27,993 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 11:15:27,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 11:15:27,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 11:15:27,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 11:15:27,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:15:27" (1/1) ... [2022-03-16 11:15:28,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:15:27" (1/1) ... [2022-03-16 11:15:28,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:15:27" (1/1) ... [2022-03-16 11:15:28,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:15:27" (1/1) ... [2022-03-16 11:15:28,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:15:27" (1/1) ... [2022-03-16 11:15:28,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:15:27" (1/1) ... [2022-03-16 11:15:28,007 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:15:27" (1/1) ... [2022-03-16 11:15:28,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 11:15:28,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 11:15:28,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 11:15:28,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 11:15:28,010 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:15:27" (1/1) ... [2022-03-16 11:15:28,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 11:15:28,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:15:28,035 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 11:15:28,037 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 11:15:28,063 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 11:15:28,064 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 11:15:28,064 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 11:15:28,064 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 11:15:28,064 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 11:15:28,064 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 11:15:28,064 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 11:15:28,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 11:15:28,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 11:15:28,064 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-16 11:15:28,064 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 11:15:28,064 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 11:15:28,064 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-03-16 11:15:28,065 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-16 11:15:28,065 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-16 11:15:28,066 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 11:15:28,100 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 11:15:28,101 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 11:15:28,169 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 11:15:28,195 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 11:15:28,195 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 11:15:28,197 INFO L202 PluginConnector]: Adding new model mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 11:15:28 BoogieIcfgContainer [2022-03-16 11:15:28,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 11:15:28,198 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 11:15:28,198 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 11:15:28,200 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 11:15:28,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:15:27" (1/2) ... [2022-03-16 11:15:28,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28de4dc7 and model type mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 11:15:28, skipping insertion in model container [2022-03-16 11:15:28,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 11:15:28" (2/2) ... [2022-03-16 11:15:28,202 INFO L111 eAbstractionObserver]: Analyzing ICFG mult-4.wvr.bpl [2022-03-16 11:15:28,205 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 11:15:28,205 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 11:15:28,206 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 11:15:28,206 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 11:15:28,261 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-16 11:15:28,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 11:15:28,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:15:28,306 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 11:15:28,307 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 11:15:28,333 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 11:15:28,338 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 11:15:28,338 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-16 11:15:28,511 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1846 transitions and produced 1635 states. [2022-03-16 11:15:28,513 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 11:15:28,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:15:28,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1737980979, now seen corresponding path program 1 times [2022-03-16 11:15:28,527 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:15:28,528 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76708169] [2022-03-16 11:15:28,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:15:28,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:15:28,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:15:29,444 INFO L134 CoverageAnalysis]: Checked inductivity of 8685 backedges. 4800 proven. 3080 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2022-03-16 11:15:29,445 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:15:29,445 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76708169] [2022-03-16 11:15:29,445 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76708169] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:15:29,446 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702319468] [2022-03-16 11:15:29,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:15:29,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:15:29,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:15:29,448 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 11:15:29,452 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 11:15:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:15:29,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 87 conjunts are in the unsatisfiable core [2022-03-16 11:15:29,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:15:33,063 INFO L134 CoverageAnalysis]: Checked inductivity of 8685 backedges. 8454 proven. 42 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2022-03-16 11:15:33,064 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:15:36,708 INFO L134 CoverageAnalysis]: Checked inductivity of 8685 backedges. 2587 proven. 5929 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2022-03-16 11:15:36,709 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702319468] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:15:36,709 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:15:36,709 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 67, 87] total 171 [2022-03-16 11:15:36,710 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779838531] [2022-03-16 11:15:36,711 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:15:36,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 172 states [2022-03-16 11:15:36,717 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:15:36,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 172 interpolants. [2022-03-16 11:15:36,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8321, Invalid=21091, Unknown=0, NotChecked=0, Total=29412 [2022-03-16 11:15:36,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:15:36,744 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:15:36,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 172 states, 172 states have (on average 3.4186046511627906) internal successors, (588), 171 states have internal predecessors, (588), 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 11:15:36,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:15:49,597 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3159 transitions and produced 2446 states. [2022-03-16 11:15:49,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2022-03-16 11:15:49,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-16 11:15:49,816 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 [2022-03-16 11:15:49,816 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 11:15:49,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:15:49,817 INFO L85 PathProgramCache]: Analyzing trace with hash 985023341, now seen corresponding path program 2 times [2022-03-16 11:15:49,817 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:15:49,817 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64714214] [2022-03-16 11:15:49,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:15:49,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:15:50,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:15:53,189 INFO L134 CoverageAnalysis]: Checked inductivity of 18932 backedges. 3844 proven. 5726 refuted. 0 times theorem prover too weak. 9362 trivial. 0 not checked. [2022-03-16 11:15:53,189 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:15:53,189 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64714214] [2022-03-16 11:15:53,189 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64714214] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:15:53,190 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1593471156] [2022-03-16 11:15:53,190 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 11:15:53,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:15:53,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:15:53,191 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 11:15:53,192 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 11:15:53,377 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 11:15:53,377 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:15:53,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 1407 conjuncts, 132 conjunts are in the unsatisfiable core [2022-03-16 11:15:53,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:16:02,507 INFO L134 CoverageAnalysis]: Checked inductivity of 18932 backedges. 13504 proven. 4096 refuted. 0 times theorem prover too weak. 1332 trivial. 0 not checked. [2022-03-16 11:16:02,507 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:16:08,738 INFO L134 CoverageAnalysis]: Checked inductivity of 18932 backedges. 13504 proven. 4096 refuted. 0 times theorem prover too weak. 1332 trivial. 0 not checked. [2022-03-16 11:16:08,738 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1593471156] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:16:08,739 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:16:08,739 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 132, 132] total 277 [2022-03-16 11:16:08,739 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991387668] [2022-03-16 11:16:08,739 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:16:08,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 278 states [2022-03-16 11:16:08,742 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:16:08,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 278 interpolants. [2022-03-16 11:16:08,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15223, Invalid=61783, Unknown=0, NotChecked=0, Total=77006 [2022-03-16 11:16:08,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:16:08,754 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:16:08,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 278 states, 278 states have (on average 2.6546762589928057) internal successors, (738), 277 states have internal predecessors, (738), 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 11:16:08,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2022-03-16 11:16:08,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:16:28,541 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4419 transitions and produced 3552 states. [2022-03-16 11:16:28,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2022-03-16 11:16:28,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 351 states. [2022-03-16 11:16:28,559 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 11:16:28,743 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 [2022-03-16 11:16:28,743 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 11:16:28,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:16:28,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1015983693, now seen corresponding path program 3 times [2022-03-16 11:16:28,744 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:16:28,744 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458994180] [2022-03-16 11:16:28,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:16:28,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:16:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:16:32,574 INFO L134 CoverageAnalysis]: Checked inductivity of 41137 backedges. 8920 proven. 21932 refuted. 0 times theorem prover too weak. 10285 trivial. 0 not checked. [2022-03-16 11:16:32,574 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:16:32,574 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458994180] [2022-03-16 11:16:32,574 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458994180] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:16:32,574 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1429548078] [2022-03-16 11:16:32,575 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 11:16:32,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:16:32,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:16:32,576 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 11:16:32,577 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 11:16:33,070 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 84 check-sat command(s) [2022-03-16 11:16:33,070 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:16:33,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 2177 conjuncts, 146 conjunts are in the unsatisfiable core [2022-03-16 11:16:33,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:16:46,432 INFO L134 CoverageAnalysis]: Checked inductivity of 41137 backedges. 16581 proven. 19503 refuted. 0 times theorem prover too weak. 5053 trivial. 0 not checked. [2022-03-16 11:16:46,433 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:16:58,558 INFO L134 CoverageAnalysis]: Checked inductivity of 41137 backedges. 13018 proven. 23098 refuted. 0 times theorem prover too weak. 5021 trivial. 0 not checked. [2022-03-16 11:16:58,558 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1429548078] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:16:58,558 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:16:58,562 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84, 138, 144] total 314 [2022-03-16 11:16:58,562 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761078991] [2022-03-16 11:16:58,562 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:16:58,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 315 states [2022-03-16 11:16:58,563 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:16:58,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 315 interpolants. [2022-03-16 11:16:58,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13107, Invalid=85803, Unknown=0, NotChecked=0, Total=98910 [2022-03-16 11:16:58,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:16:58,570 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:16:58,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 315 states, 315 states have (on average 4.196825396825397) internal successors, (1322), 314 states have internal predecessors, (1322), 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 11:16:58,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2022-03-16 11:16:58,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 351 states. [2022-03-16 11:16:58,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:19:01,249 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4702 transitions and produced 3709 states. [2022-03-16 11:19:01,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2022-03-16 11:19:01,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 351 states. [2022-03-16 11:19:01,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 460 states. [2022-03-16 11:19:01,285 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-03-16 11:19:01,466 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 [2022-03-16 11:19:01,467 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 11:19:01,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:19:01,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1522875375, now seen corresponding path program 4 times [2022-03-16 11:19:01,468 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:19:01,468 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199751564] [2022-03-16 11:19:01,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:19:01,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:19:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:19:06,283 INFO L134 CoverageAnalysis]: Checked inductivity of 46620 backedges. 10183 proven. 24626 refuted. 0 times theorem prover too weak. 11811 trivial. 0 not checked. [2022-03-16 11:19:06,283 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:19:06,284 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199751564] [2022-03-16 11:19:06,284 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199751564] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:19:06,284 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [180052671] [2022-03-16 11:19:06,284 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 11:19:06,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:19:06,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:19:06,285 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 11:19:06,286 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 11:19:06,569 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 11:19:06,569 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:19:06,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 2353 conjuncts, 179 conjunts are in the unsatisfiable core [2022-03-16 11:19:06,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:19:25,363 INFO L134 CoverageAnalysis]: Checked inductivity of 46620 backedges. 22833 proven. 12153 refuted. 0 times theorem prover too weak. 11634 trivial. 0 not checked. [2022-03-16 11:19:25,363 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:19:44,668 INFO L134 CoverageAnalysis]: Checked inductivity of 46620 backedges. 20054 proven. 14938 refuted. 0 times theorem prover too weak. 11628 trivial. 0 not checked. [2022-03-16 11:19:44,669 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [180052671] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:19:44,669 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:19:44,669 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [100, 173, 179] total 405 [2022-03-16 11:19:44,669 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357281963] [2022-03-16 11:19:44,669 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:19:44,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 406 states [2022-03-16 11:19:44,671 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:19:44,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 406 interpolants. [2022-03-16 11:19:44,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24620, Invalid=139810, Unknown=0, NotChecked=0, Total=164430 [2022-03-16 11:19:44,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:19:44,681 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:19:44,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 406 states, 406 states have (on average 3.1748768472906406) internal successors, (1289), 405 states have internal predecessors, (1289), 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 11:19:44,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2022-03-16 11:19:44,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 351 states. [2022-03-16 11:19:44,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 460 states. [2022-03-16 11:19:44,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:21:42,931 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5561 transitions and produced 4264 states. [2022-03-16 11:21:42,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2022-03-16 11:21:42,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 351 states. [2022-03-16 11:21:42,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 460 states. [2022-03-16 11:21:42,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 374 states. [2022-03-16 11:21:42,950 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-16 11:21:43,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:21:43,132 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 11:21:43,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:21:43,133 INFO L85 PathProgramCache]: Analyzing trace with hash 88677491, now seen corresponding path program 5 times [2022-03-16 11:21:43,133 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:21:43,133 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587308184] [2022-03-16 11:21:43,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:21:43,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:21:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:21:53,900 INFO L134 CoverageAnalysis]: Checked inductivity of 66515 backedges. 9409 proven. 36184 refuted. 0 times theorem prover too weak. 20922 trivial. 0 not checked. [2022-03-16 11:21:53,901 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:21:53,901 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587308184] [2022-03-16 11:21:53,901 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587308184] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:21:53,901 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631111174] [2022-03-16 11:21:53,901 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 11:21:53,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:21:53,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:21:53,902 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 11:21:53,903 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 11:21:54,589 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 122 check-sat command(s) [2022-03-16 11:21:54,589 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:21:54,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 2760 conjuncts, 483 conjunts are in the unsatisfiable core [2022-03-16 11:21:54,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:22:13,785 INFO L134 CoverageAnalysis]: Checked inductivity of 66515 backedges. 37031 proven. 10151 refuted. 0 times theorem prover too weak. 19333 trivial. 0 not checked. [2022-03-16 11:22:13,786 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:22:43,433 INFO L134 CoverageAnalysis]: Checked inductivity of 66515 backedges. 627 proven. 46555 refuted. 0 times theorem prover too weak. 19333 trivial. 0 not checked. [2022-03-16 11:22:43,434 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [631111174] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:22:43,434 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:22:43,434 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [183, 169, 169] total 517 [2022-03-16 11:22:43,434 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31110958] [2022-03-16 11:22:43,434 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:22:43,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 517 states [2022-03-16 11:22:43,436 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:22:43,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 517 interpolants. [2022-03-16 11:22:43,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45145, Invalid=221627, Unknown=0, NotChecked=0, Total=266772 [2022-03-16 11:22:43,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:22:43,451 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:22:43,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 517 states, 517 states have (on average 3.230174081237911) internal successors, (1670), 517 states have internal predecessors, (1670), 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 11:22:43,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2022-03-16 11:22:43,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 351 states. [2022-03-16 11:22:43,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 460 states. [2022-03-16 11:22:43,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 374 states. [2022-03-16 11:22:43,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:24:07,641 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 7299 transitions and produced 5639 states. [2022-03-16 11:24:07,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2022-03-16 11:24:07,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 351 states. [2022-03-16 11:24:07,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 460 states. [2022-03-16 11:24:07,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 374 states. [2022-03-16 11:24:07,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 349 states. [2022-03-16 11:24:07,664 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 11:24:07,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:24:07,861 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 11:24:07,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:24:07,862 INFO L85 PathProgramCache]: Analyzing trace with hash 262666045, now seen corresponding path program 6 times [2022-03-16 11:24:07,862 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:24:07,862 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421824210] [2022-03-16 11:24:07,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:24:07,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:24:11,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:24:22,700 INFO L134 CoverageAnalysis]: Checked inductivity of 106820 backedges. 7051 proven. 79328 refuted. 0 times theorem prover too weak. 20441 trivial. 0 not checked. [2022-03-16 11:24:22,700 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:24:22,700 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421824210] [2022-03-16 11:24:22,700 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421824210] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:24:22,701 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1866689019] [2022-03-16 11:24:22,701 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-16 11:24:22,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:24:22,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:24:22,702 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 11:24:22,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-16 11:24:23,893 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 188 check-sat command(s) [2022-03-16 11:24:23,893 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:24:23,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 3491 conjuncts, 215 conjunts are in the unsatisfiable core [2022-03-16 11:24:23,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:25:00,128 INFO L134 CoverageAnalysis]: Checked inductivity of 106820 backedges. 33549 proven. 43877 refuted. 0 times theorem prover too weak. 29394 trivial. 0 not checked. [2022-03-16 11:25:00,128 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:25:28,901 INFO L134 CoverageAnalysis]: Checked inductivity of 106820 backedges. 28422 proven. 49036 refuted. 0 times theorem prover too weak. 29362 trivial. 0 not checked. [2022-03-16 11:25:28,902 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1866689019] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:25:28,902 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:25:28,902 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [185, 207, 213] total 517 [2022-03-16 11:25:28,903 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897380831] [2022-03-16 11:25:28,903 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:25:28,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 518 states [2022-03-16 11:25:28,904 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:25:28,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 518 interpolants. [2022-03-16 11:25:28,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26319, Invalid=241487, Unknown=0, NotChecked=0, Total=267806 [2022-03-16 11:25:28,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:25:28,916 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:25:28,917 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 518 states, 518 states have (on average 4.117760617760617) internal successors, (2133), 517 states have internal predecessors, (2133), 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 11:25:28,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2022-03-16 11:25:28,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 351 states. [2022-03-16 11:25:28,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 460 states. [2022-03-16 11:25:28,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 374 states. [2022-03-16 11:25:28,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 349 states. [2022-03-16 11:25:28,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-03-16 11:27:46,536 WARN L244 SmtUtils]: Removed 16 from assertion stack [2022-03-16 11:27:46,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-16 11:27:46,557 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 11:27:46,557 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 11:27:46,557 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 11:27:46,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:27:46,737 WARN L594 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 451 for 409ms.. [2022-03-16 11:27:46,739 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2022-03-16 11:27:46,739 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-03-16 11:27:46,739 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-03-16 11:27:46,739 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-03-16 11:27:46,739 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-03-16 11:27:46,744 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-16 11:27:46,748 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 11:27:46,748 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 11:27:46,750 INFO L202 PluginConnector]: Adding new model mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 11:27:46 BasicIcfg [2022-03-16 11:27:46,750 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 11:27:46,750 INFO L158 Benchmark]: Toolchain (without parser) took 738777.80ms. Allocated memory was 179.3MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 137.3MB in the beginning and 382.3MB in the end (delta: -245.1MB). Peak memory consumption was 1.0GB. Max. memory is 8.0GB. [2022-03-16 11:27:46,750 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 179.3MB. Free memory is still 138.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 11:27:46,751 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.22ms. Allocated memory is still 179.3MB. Free memory was 137.2MB in the beginning and 135.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 11:27:46,751 INFO L158 Benchmark]: Boogie Preprocessor took 14.25ms. Allocated memory is still 179.3MB. Free memory was 135.7MB in the beginning and 134.7MB in the end (delta: 981.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 11:27:46,751 INFO L158 Benchmark]: RCFGBuilder took 188.39ms. Allocated memory is still 179.3MB. Free memory was 134.6MB in the beginning and 124.5MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-16 11:27:46,751 INFO L158 Benchmark]: TraceAbstraction took 738551.67ms. Allocated memory was 179.3MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 124.0MB in the beginning and 382.3MB in the end (delta: -258.3MB). Peak memory consumption was 997.0MB. Max. memory is 8.0GB. [2022-03-16 11:27:46,752 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 0.13ms. Allocated memory is still 179.3MB. Free memory is still 138.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.22ms. Allocated memory is still 179.3MB. Free memory was 137.2MB in the beginning and 135.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.25ms. Allocated memory is still 179.3MB. Free memory was 135.7MB in the beginning and 134.7MB in the end (delta: 981.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 188.39ms. Allocated memory is still 179.3MB. Free memory was 134.6MB in the beginning and 124.5MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 738551.67ms. Allocated memory was 179.3MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 124.0MB in the beginning and 382.3MB in the end (delta: -258.3MB). Peak memory consumption was 997.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 451 for 409ms.. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 451 for 409ms.. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 451 for 409ms.. - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 451 for 409ms.. - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 451 for 409ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 53 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 738.4s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 495.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1883, 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: 0.3s SsaConstructionTime, 9.4s SatisfiabilityAnalysisTime, 231.3s InterpolantComputationTime, 9380 NumberOfCodeBlocks, 9374 NumberOfCodeBlocksAsserted, 404 NumberOfCheckSat, 14052 ConstructedInterpolants, 0 QuantifiedInterpolants, 101278 SizeOfPredicates, 29 NumberOfNonLiveVariables, 12996 ConjunctsInSsa, 1242 ConjunctsInUnsatCore, 18 InterpolantComputations, 0 PerfectInterpolantSequences, 461777/866127 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