/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-4b0ab11 [2022-03-04 05:53:14,276 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 05:53:14,278 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 05:53:14,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-04 05:53:14,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 05:53:14,343 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 05:53:14,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 05:53:14,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 05:53:14,346 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 05:53:14,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 05:53:14,349 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 05:53:14,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 05:53:14,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 05:53:14,352 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 05:53:14,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 05:53:14,354 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 05:53:14,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-04 05:53:14,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 05:53:14,363 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 05:53:14,364 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 05:53:14,366 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-04 05:53:14,394 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 05:53:14,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 05:53:14,394 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 05:53:14,394 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 05:53:14,395 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 05:53:14,395 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 05:53:14,395 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 05:53:14,396 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 05:53:14,396 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 05:53:14,396 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 05:53:14,396 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 05:53:14,396 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 05:53:14,396 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 05:53:14,396 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 05:53:14,397 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 05:53:14,397 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 05:53:14,397 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 05:53:14,397 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 05:53:14,397 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 05:53:14,397 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 05:53:14,397 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 05:53:14,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 05:53:14,398 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 05:53:14,398 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 05:53:14,398 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 05:53:14,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 05:53:14,398 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 05:53:14,398 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 05:53:14,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 05:53:14,398 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 05:53:14,399 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 05:53:14,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 05:53:14,399 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 05:53:14,400 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 05:53:14,400 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 05:53:14,400 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-04 05:53:14,401 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-04 05:53:14,401 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 05:53:14,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 05:53:14,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 05:53:14,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 05:53:14,619 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-04 05:53:14,620 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-04 05:53:14,620 INFO L432 ainManager$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 [2022-03-04 05:53:14,621 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons3.wvr.bpl' [2022-03-04 05:53:14,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 05:53:14,641 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-04 05:53:14,642 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 05:53:14,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 05:53:14,642 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 05:53:14,652 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 04.03 05:53:14" (1/1) ... [2022-03-04 05:53:14,659 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 04.03 05:53:14" (1/1) ... [2022-03-04 05:53:14,664 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-04 05:53:14,664 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 05:53:14,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 05:53:14,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 05:53:14,669 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 05:53:14,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:53:14" (1/1) ... [2022-03-04 05:53:14,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:53:14" (1/1) ... [2022-03-04 05:53:14,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:53:14" (1/1) ... [2022-03-04 05:53:14,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:53:14" (1/1) ... [2022-03-04 05:53:14,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:53:14" (1/1) ... [2022-03-04 05:53:14,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:53:14" (1/1) ... [2022-03-04 05:53:14,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:53:14" (1/1) ... [2022-03-04 05:53:14,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 05:53:14,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 05:53:14,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 05:53:14,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 05:53:14,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:53:14" (1/1) ... [2022-03-04 05:53:14,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 05:53:14,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:53:14,706 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-04 05:53:14,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-04 05:53:14,739 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-04 05:53:14,739 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-04 05:53:14,740 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-04 05:53:14,740 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-04 05:53:14,740 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-04 05:53:14,740 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-04 05:53:14,740 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-04 05:53:14,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 05:53:14,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 05:53:14,741 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-04 05:53:14,741 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-04 05:53:14,741 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-04 05:53:14,741 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-03-04 05:53:14,741 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-04 05:53:14,741 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-04 05:53:14,742 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 05:53:14,783 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 05:53:14,784 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 05:53:14,866 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 05:53:14,884 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 05:53:14,884 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-04 05:53:14,886 INFO L202 PluginConnector]: Adding new model prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 05:53:14 BoogieIcfgContainer [2022-03-04 05:53:14,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 05:53:14,888 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 05:53:14,888 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 05:53:14,890 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 05:53:14,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:53:14" (1/2) ... [2022-03-04 05:53:14,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b5578f and model type prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 05:53:14, skipping insertion in model container [2022-03-04 05:53:14,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 05:53:14" (2/2) ... [2022-03-04 05:53:14,892 INFO L111 eAbstractionObserver]: Analyzing ICFG prod-cons3.wvr.bpl [2022-03-04 05:53:14,896 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 05:53:14,897 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 05:53:14,897 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 05:53:14,897 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 05:53:14,935 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-04 05:53:14,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 05:53:14,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:53:14,979 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-04 05:53:14,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-04 05:53:15,044 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 05:53:15,050 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-04 05:53:15,051 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-04 05:53:20,122 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 984186 transitions and produced 287355 states. [2022-03-04 05:53:20,134 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 05:53:20,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:53:20,148 INFO L85 PathProgramCache]: Analyzing trace with hash 389974427, now seen corresponding path program 1 times [2022-03-04 05:53:20,156 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:53:20,156 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264675066] [2022-03-04 05:53:20,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:53:20,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:53:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:53:20,892 INFO L134 CoverageAnalysis]: Checked inductivity of 6590 backedges. 2621 proven. 0 refuted. 0 times theorem prover too weak. 3969 trivial. 0 not checked. [2022-03-04 05:53:20,893 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:53:20,893 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264675066] [2022-03-04 05:53:20,893 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264675066] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 05:53:20,894 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 05:53:20,894 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-04 05:53:20,895 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718779126] [2022-03-04 05:53:20,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 05:53:20,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-04 05:53:20,901 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:53:20,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-04 05:53:20,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-04 05:53:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:53:20,951 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:53:20,955 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) [2022-03-04 05:53:20,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:53:40,707 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3050961 transitions and produced 889296 states. [2022-03-04 05:53:40,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 05:53:40,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-04 05:53:40,708 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 05:53:40,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:53:40,709 INFO L85 PathProgramCache]: Analyzing trace with hash 541384507, now seen corresponding path program 2 times [2022-03-04 05:53:40,709 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:53:40,710 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831857958] [2022-03-04 05:53:40,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:53:40,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:53:41,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:53:45,443 INFO L134 CoverageAnalysis]: Checked inductivity of 4028 backedges. 508 proven. 3512 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 05:53:45,443 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:53:45,444 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831857958] [2022-03-04 05:53:45,444 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831857958] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:53:45,444 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [201456302] [2022-03-04 05:53:45,444 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 05:53:45,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:53:45,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:53:45,452 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:53:45,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-04 05:53:45,610 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 05:53:45,611 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:53:45,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 141 conjunts are in the unsatisfiable core [2022-03-04 05:53:45,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:53:50,699 INFO L353 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2022-03-04 05:53:50,699 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 [2022-03-04 05:53:58,682 INFO L353 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2022-03-04 05:53:58,683 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 [2022-03-04 05:53:58,958 INFO L134 CoverageAnalysis]: Checked inductivity of 4028 backedges. 511 proven. 3509 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 05:53:58,958 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:54:07,089 INFO L353 Elim1Store]: treesize reduction 264, result has 47.7 percent of original size [2022-03-04 05:54:07,090 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 [2022-03-04 05:54:18,010 INFO L353 Elim1Store]: treesize reduction 264, result has 47.7 percent of original size [2022-03-04 05:54:18,011 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 [2022-03-04 05:54:25,396 INFO L134 CoverageAnalysis]: Checked inductivity of 4028 backedges. 654 proven. 3366 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 05:54:25,396 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [201456302] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:54:25,396 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:54:25,397 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84, 79, 79] total 235 [2022-03-04 05:54:25,407 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290917758] [2022-03-04 05:54:25,407 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:54:25,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 235 states [2022-03-04 05:54:25,410 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:54:25,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 235 interpolants. [2022-03-04 05:54:25,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3520, Invalid=51470, Unknown=0, NotChecked=0, Total=54990 [2022-03-04 05:54:25,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:54:25,441 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:54:25,442 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) [2022-03-04 05:54:25,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 05:54:25,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:55:27,034 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4554017 transitions and produced 1269789 states. [2022-03-04 05:55:27,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 05:55:27,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2022-03-04 05:55:27,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-04 05:55:27,235 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 [2022-03-04 05:55:27,235 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 05:55:27,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:55:27,236 INFO L85 PathProgramCache]: Analyzing trace with hash 208495657, now seen corresponding path program 3 times [2022-03-04 05:55:27,236 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:55:27,236 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385363670] [2022-03-04 05:55:27,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:55:27,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:55:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:55:33,496 INFO L134 CoverageAnalysis]: Checked inductivity of 6585 backedges. 768 proven. 5805 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-03-04 05:55:33,497 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:55:33,497 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385363670] [2022-03-04 05:55:33,497 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385363670] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:55:33,497 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1334297093] [2022-03-04 05:55:33,497 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 05:55:33,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:55:33,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:55:33,499 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:55:33,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-04 05:55:33,726 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 41 check-sat command(s) [2022-03-04 05:55:33,726 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:55:33,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 832 conjuncts, 103 conjunts are in the unsatisfiable core [2022-03-04 05:55:33,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:55:41,649 INFO L353 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2022-03-04 05:55:41,649 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 [2022-03-04 05:55:47,588 INFO L353 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2022-03-04 05:55:47,588 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 [2022-03-04 05:55:47,942 INFO L134 CoverageAnalysis]: Checked inductivity of 6585 backedges. 19 proven. 5762 refuted. 0 times theorem prover too weak. 804 trivial. 0 not checked. [2022-03-04 05:55:47,942 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:55:54,584 INFO L353 Elim1Store]: treesize reduction 564, result has 45.8 percent of original size [2022-03-04 05:55:54,584 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 [2022-03-04 05:56:45,144 INFO L353 Elim1Store]: treesize reduction 564, result has 45.8 percent of original size [2022-03-04 05:56:45,145 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 [2022-03-04 06:02:23,255 INFO L134 CoverageAnalysis]: Checked inductivity of 6585 backedges. 436 proven. 5345 refuted. 0 times theorem prover too weak. 804 trivial. 0 not checked. [2022-03-04 06:02:23,256 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1334297093] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:02:23,256 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:02:23,256 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [111, 53, 53] total 210 [2022-03-04 06:02:23,256 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489356685] [2022-03-04 06:02:23,256 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:02:23,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 210 states [2022-03-04 06:02:23,257 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:02:23,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 210 interpolants. [2022-03-04 06:02:23,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1638, Invalid=42252, Unknown=0, NotChecked=0, Total=43890 [2022-03-04 06:02:23,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:02:23,263 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:02:23,263 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) [2022-03-04 06:02:23,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 06:02:23,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 175 states. [2022-03-04 06:02:23,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:02:45,068 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 125553 transitions and produced 37528 states. [2022-03-04 06:02:45,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 06:02:45,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2022-03-04 06:02:45,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2022-03-04 06:02:45,087 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-04 06:02:45,269 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 [2022-03-04 06:02:45,270 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 06:02:45,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:02:45,270 INFO L85 PathProgramCache]: Analyzing trace with hash -950450223, now seen corresponding path program 4 times [2022-03-04 06:02:45,271 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:02:45,271 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705834699] [2022-03-04 06:02:45,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:02:45,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:02:45,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:02:45,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1273 backedges. 1031 proven. 228 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-03-04 06:02:45,508 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:02:45,508 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705834699] [2022-03-04 06:02:45,508 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705834699] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:02:45,509 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1371083394] [2022-03-04 06:02:45,509 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 06:02:45,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:02:45,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:02:45,512 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 06:02:45,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-04 06:02:45,605 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 06:02:45,605 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:02:45,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 26 conjunts are in the unsatisfiable core [2022-03-04 06:02:45,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:02:45,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1273 backedges. 785 proven. 228 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2022-03-04 06:02:45,883 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:02:46,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1273 backedges. 785 proven. 228 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2022-03-04 06:02:46,134 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1371083394] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:02:46,134 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:02:46,134 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 13, 13] total 23 [2022-03-04 06:02:46,134 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697025100] [2022-03-04 06:02:46,134 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:02:46,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-04 06:02:46,135 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:02:46,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-04 06:02:46,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=244, Invalid=262, Unknown=0, NotChecked=0, Total=506 [2022-03-04 06:02:46,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:02:46,136 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:02:46,136 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) [2022-03-04 06:02:46,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 06:02:46,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 175 states. [2022-03-04 06:02:46,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2022-03-04 06:02:46,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:02:46,186 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 937 transitions and produced 817 states. [2022-03-04 06:02:46,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 06:02:46,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2022-03-04 06:02:46,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2022-03-04 06:02:46,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 06:02:46,204 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-04 06:02:46,387 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 [2022-03-04 06:02:46,388 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 06:02:46,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:02:46,388 INFO L85 PathProgramCache]: Analyzing trace with hash -690552911, now seen corresponding path program 5 times [2022-03-04 06:02:46,388 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:02:46,389 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881558048] [2022-03-04 06:02:46,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:02:46,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:02:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:02:46,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 1031 proven. 495 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-03-04 06:02:46,665 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:02:46,665 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881558048] [2022-03-04 06:02:46,665 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881558048] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:02:46,666 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745332691] [2022-03-04 06:02:46,666 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 06:02:46,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:02:46,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:02:46,667 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 06:02:46,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-04 06:02:46,822 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) [2022-03-04 06:02:46,823 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:02:46,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 38 conjunts are in the unsatisfiable core [2022-03-04 06:02:46,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:02:47,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 986 proven. 495 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-03-04 06:02:47,228 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:02:47,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 986 proven. 495 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-03-04 06:02:47,563 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [745332691] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:02:47,563 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:02:47,563 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 19, 19] total 23 [2022-03-04 06:02:47,563 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422233998] [2022-03-04 06:02:47,563 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:02:47,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-04 06:02:47,564 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:02:47,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-04 06:02:47,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=250, Invalid=256, Unknown=0, NotChecked=0, Total=506 [2022-03-04 06:02:47,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:02:47,565 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:02:47,565 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) [2022-03-04 06:02:47,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 06:02:47,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 175 states. [2022-03-04 06:02:47,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2022-03-04 06:02:47,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 06:02:47,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:02:47,617 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1051 transitions and produced 895 states. [2022-03-04 06:02:47,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 06:02:47,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2022-03-04 06:02:47,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2022-03-04 06:02:47,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 06:02:47,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-04 06:02:47,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-04 06:02:47,820 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 [2022-03-04 06:02:47,821 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 06:02:47,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:02:47,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1576370287, now seen corresponding path program 6 times [2022-03-04 06:02:47,821 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:02:47,822 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989427389] [2022-03-04 06:02:47,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:02:47,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:02:47,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:02:52,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1915 backedges. 127 proven. 1746 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-03-04 06:02:52,728 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:02:52,728 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989427389] [2022-03-04 06:02:52,728 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989427389] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:02:52,728 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910096086] [2022-03-04 06:02:52,728 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-04 06:02:52,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:02:52,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:02:52,730 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) [2022-03-04 06:02:52,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-04 06:02:52,892 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 25 check-sat command(s) [2022-03-04 06:02:52,892 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:02:52,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 174 conjunts are in the unsatisfiable core [2022-03-04 06:02:52,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:03:05,565 INFO L353 Elim1Store]: treesize reduction 416, result has 0.2 percent of original size [2022-03-04 06:03:05,566 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 [2022-03-04 06:03:10,700 INFO L353 Elim1Store]: treesize reduction 416, result has 0.2 percent of original size [2022-03-04 06:03:10,701 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 [2022-03-04 06:03:10,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1915 backedges. 9 proven. 1861 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-03-04 06:03:10,959 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:03:21,172 INFO L353 Elim1Store]: treesize reduction 976, result has 44.8 percent of original size [2022-03-04 06:03:21,172 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... [2022-03-04 06:06:13,011 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-04 06:06:13,013 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2022-03-04 06:06:13,028 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 06:06:13,028 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 06:06:13,029 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 [2022-03-04 06:06:13,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-04 06:06:13,214 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 [2022-03-04 06:06:13,214 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 33ms.. [2022-03-04 06:06:13,216 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-03-04 06:06:13,216 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-03-04 06:06:13,216 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-03-04 06:06:13,216 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-03-04 06:06:13,222 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-04 06:06:13,224 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 06:06:13,224 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 06:06:13,226 INFO L202 PluginConnector]: Adding new model prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 06:06:13 BasicIcfg [2022-03-04 06:06:13,226 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 06:06:13,227 INFO L158 Benchmark]: Toolchain (without parser) took 778585.89ms. Allocated memory was 200.3MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 158.8MB in the beginning and 4.0GB in the end (delta: -3.8GB). Peak memory consumption was 4.2GB. Max. memory is 8.0GB. [2022-03-04 06:06:13,227 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 200.3MB. Free memory is still 159.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 06:06:13,227 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.18ms. Allocated memory is still 200.3MB. Free memory was 158.7MB in the beginning and 157.2MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-04 06:06:13,228 INFO L158 Benchmark]: Boogie Preprocessor took 12.62ms. Allocated memory is still 200.3MB. Free memory was 157.1MB in the beginning and 156.1MB in the end (delta: 924.9kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 06:06:13,228 INFO L158 Benchmark]: RCFGBuilder took 203.79ms. Allocated memory is still 200.3MB. Free memory was 156.0MB in the beginning and 146.2MB in the end (delta: 9.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-04 06:06:13,228 INFO L158 Benchmark]: TraceAbstraction took 778338.61ms. Allocated memory was 200.3MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 145.7MB in the beginning and 4.0GB in the end (delta: -3.8GB). Peak memory consumption was 4.2GB. Max. memory is 8.0GB. [2022-03-04 06:06:13,229 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 200.3MB. Free memory is still 159.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 23.18ms. Allocated memory is still 200.3MB. Free memory was 158.7MB in the beginning and 157.2MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.62ms. Allocated memory is still 200.3MB. Free memory was 157.1MB in the beginning and 156.1MB in the end (delta: 924.9kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 203.79ms. Allocated memory is still 200.3MB. Free memory was 156.0MB in the beginning and 146.2MB in the end (delta: 9.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 778338.61ms. Allocated memory was 200.3MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 145.7MB in the beginning and 4.0GB in the end (delta: -3.8GB). Peak memory consumption was 4.2GB. 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 33ms.. - 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 33ms.. - 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 33ms.. - 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 33ms.. - 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 33ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 61 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 778.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 108.3s, 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: 0.4s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 461.6s 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