/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-cons-eq.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 11:17:58,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 11:17:58,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 11:17:58,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 11:17:58,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 11:17:59,000 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 11:17:59,001 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 11:17:59,004 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 11:17:59,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 11:17:59,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 11:17:59,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 11:17:59,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 11:17:59,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 11:17:59,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 11:17:59,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 11:17:59,016 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 11:17:59,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 11:17:59,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 11:17:59,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 11:17:59,020 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 11:17:59,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 11:17:59,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 11:17:59,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 11:17:59,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 11:17:59,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 11:17:59,035 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 11:17:59,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 11:17:59,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 11:17:59,039 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 11:17:59,065 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 11:17:59,066 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 11:17:59,066 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 11:17:59,066 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 11:17:59,067 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 11:17:59,067 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 11:17:59,067 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 11:17:59,067 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 11:17:59,067 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 11:17:59,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 11:17:59,068 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 11:17:59,068 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 11:17:59,068 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 11:17:59,068 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 11:17:59,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 11:17:59,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 11:17:59,069 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 11:17:59,069 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 11:17:59,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 11:17:59,069 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 11:17:59,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 11:17:59,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 11:17:59,069 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 11:17:59,069 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 11:17:59,070 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 11:17:59,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 11:17:59,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 11:17:59,071 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 11:17:59,071 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 11:17:59,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 11:17:59,071 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 11:17:59,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 11:17:59,071 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 11:17:59,071 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 11:17:59,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 11:17:59,071 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 11:17:59,071 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 11:17:59,071 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 11:17:59,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 11:17:59,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 11:17:59,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 11:17:59,265 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 11:17:59,268 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 11:17:59,269 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl [2022-03-16 11:17:59,269 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl' [2022-03-16 11:17:59,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 11:17:59,294 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 11:17:59,294 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 11:17:59,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 11:17:59,295 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 11:17:59,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:17:59" (1/1) ... [2022-03-16 11:17:59,311 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:17:59" (1/1) ... [2022-03-16 11:17:59,315 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 11:17:59,317 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 11:17:59,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 11:17:59,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 11:17:59,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 11:17:59,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:17:59" (1/1) ... [2022-03-16 11:17:59,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:17:59" (1/1) ... [2022-03-16 11:17:59,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:17:59" (1/1) ... [2022-03-16 11:17:59,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:17:59" (1/1) ... [2022-03-16 11:17:59,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:17:59" (1/1) ... [2022-03-16 11:17:59,335 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:17:59" (1/1) ... [2022-03-16 11:17:59,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:17:59" (1/1) ... [2022-03-16 11:17:59,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 11:17:59,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 11:17:59,340 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 11:17:59,340 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 11:17:59,341 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:17:59" (1/1) ... [2022-03-16 11:17:59,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 11:17:59,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:17:59,364 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 11:17:59,384 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 11:17:59,393 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 11:17:59,393 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 11:17:59,393 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 11:17:59,393 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 11:17:59,393 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 11:17:59,393 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 11:17:59,394 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 11:17:59,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 11:17:59,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 11:17:59,395 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-16 11:17:59,395 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 11:17:59,395 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 11:17:59,396 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 11:17:59,434 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 11:17:59,438 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 11:17:59,571 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 11:17:59,583 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 11:17:59,583 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 11:17:59,584 INFO L202 PluginConnector]: Adding new model prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 11:17:59 BoogieIcfgContainer [2022-03-16 11:17:59,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 11:17:59,586 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 11:17:59,586 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 11:17:59,599 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 11:17:59,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:17:59" (1/2) ... [2022-03-16 11:17:59,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@345f79e3 and model type prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 11:17:59, skipping insertion in model container [2022-03-16 11:17:59,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 11:17:59" (2/2) ... [2022-03-16 11:17:59,604 INFO L111 eAbstractionObserver]: Analyzing ICFG prod-cons-eq.wvr.bpl [2022-03-16 11:17:59,607 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 11:17:59,607 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 11:17:59,607 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 11:17:59,607 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 11:17:59,676 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-16 11:17:59,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 11:17:59,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:17:59,744 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 11:17:59,772 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 11:17:59,785 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 11:17:59,794 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 11:17:59,794 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-16 11:17:59,927 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1002 transitions and produced 648 states. [2022-03-16 11:17:59,929 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:17:59,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:17:59,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1377187797, now seen corresponding path program 1 times [2022-03-16 11:17:59,939 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:17:59,939 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494022261] [2022-03-16 11:17:59,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:17:59,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:18:00,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:18:00,128 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2022-03-16 11:18:00,128 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:18:00,128 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494022261] [2022-03-16 11:18:00,129 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494022261] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 11:18:00,129 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 11:18:00,129 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-16 11:18:00,130 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685040698] [2022-03-16 11:18:00,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 11:18:00,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 11:18:00,135 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:18:00,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 11:18:00,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-16 11:18:00,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:18:00,153 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:18:00,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 11:18:00,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:18:00,233 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 764 transitions and produced 502 states. [2022-03-16 11:18:00,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:18:00,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-16 11:18:00,234 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:18:00,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:18:00,234 INFO L85 PathProgramCache]: Analyzing trace with hash 246046183, now seen corresponding path program 2 times [2022-03-16 11:18:00,234 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:18:00,234 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012120449] [2022-03-16 11:18:00,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:18:00,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:18:00,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:18:00,517 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 0 proven. 263 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-03-16 11:18:00,518 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:18:00,518 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012120449] [2022-03-16 11:18:00,518 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012120449] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:18:00,518 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678736421] [2022-03-16 11:18:00,518 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 11:18:00,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:18:00,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:18:00,520 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 11:18:00,521 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 11:18:00,610 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 11:18:00,611 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:18:00,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 21 conjunts are in the unsatisfiable core [2022-03-16 11:18:00,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:18:01,052 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 432 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-03-16 11:18:01,052 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:18:01,405 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 432 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-03-16 11:18:01,406 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [678736421] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:18:01,406 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:18:01,406 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 38 [2022-03-16 11:18:01,407 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216127137] [2022-03-16 11:18:01,407 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:18:01,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-03-16 11:18:01,408 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:18:01,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-03-16 11:18:01,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=332, Invalid=1150, Unknown=0, NotChecked=0, Total=1482 [2022-03-16 11:18:01,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:18:01,410 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:18:01,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 4.538461538461538) internal successors, (177), 38 states have internal predecessors, (177), 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 11:18:01,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:18:01,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:18:02,907 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1053 transitions and produced 694 states. [2022-03-16 11:18:02,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:18:02,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-03-16 11:18:02,927 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 11:18:03,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-03-16 11:18:03,109 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:18:03,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:18:03,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1724145486, now seen corresponding path program 3 times [2022-03-16 11:18:03,110 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:18:03,110 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432161225] [2022-03-16 11:18:03,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:18:03,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:18:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:18:03,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1305 backedges. 0 proven. 502 refuted. 0 times theorem prover too weak. 803 trivial. 0 not checked. [2022-03-16 11:18:03,353 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:18:03,353 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432161225] [2022-03-16 11:18:03,353 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432161225] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:18:03,353 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1742503729] [2022-03-16 11:18:03,353 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 11:18:03,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:18:03,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:18:03,355 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 11:18:03,364 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 11:18:03,500 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) [2022-03-16 11:18:03,500 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:18:03,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 26 conjunts are in the unsatisfiable core [2022-03-16 11:18:03,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:18:03,994 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-16 11:18:03,995 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 9 new quantified variables, introduced 10 case distinctions, treesize of input 28 treesize of output 100 [2022-03-16 11:18:04,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1305 backedges. 0 proven. 468 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2022-03-16 11:18:04,131 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:18:04,344 INFO L353 Elim1Store]: treesize reduction 5, result has 72.2 percent of original size [2022-03-16 11:18:04,348 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2022-03-16 11:18:04,761 INFO L353 Elim1Store]: treesize reduction 25, result has 93.1 percent of original size [2022-03-16 11:18:04,776 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 18 new quantified variables, introduced 45 case distinctions, treesize of input 23 treesize of output 371 [2022-03-16 11:18:20,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1305 backedges. 18 proven. 450 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2022-03-16 11:18:20,087 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1742503729] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:18:20,087 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:18:20,088 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15, 15] total 27 [2022-03-16 11:18:20,088 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552132666] [2022-03-16 11:18:20,088 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:18:20,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-03-16 11:18:20,089 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:18:20,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-03-16 11:18:20,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2022-03-16 11:18:20,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:18:20,090 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:18:20,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.7142857142857144) internal successors, (104), 27 states have internal predecessors, (104), 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 11:18:20,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:18:20,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-03-16 11:18:20,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:18:20,837 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1041 transitions and produced 721 states. [2022-03-16 11:18:20,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:18:20,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-03-16 11:18:20,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-16 11:18:20,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-16 11:18:21,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:18:21,039 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:18:21,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:18:21,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1853733775, now seen corresponding path program 4 times [2022-03-16 11:18:21,039 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:18:21,040 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956554885] [2022-03-16 11:18:21,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:18:21,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:18:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:18:21,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 589 refuted. 0 times theorem prover too weak. 737 trivial. 0 not checked. [2022-03-16 11:18:21,294 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:18:21,294 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956554885] [2022-03-16 11:18:21,294 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956554885] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:18:21,294 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042908526] [2022-03-16 11:18:21,294 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 11:18:21,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:18:21,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:18:21,295 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 11:18:21,296 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 11:18:21,366 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 11:18:21,367 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:18:21,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 40 conjunts are in the unsatisfiable core [2022-03-16 11:18:21,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:18:21,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 1042 proven. 197 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-03-16 11:18:21,979 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:18:22,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 1042 proven. 197 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-03-16 11:18:22,335 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2042908526] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:18:22,335 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:18:22,335 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 22, 22] total 47 [2022-03-16 11:18:22,336 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319992440] [2022-03-16 11:18:22,336 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:18:22,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-03-16 11:18:22,336 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:18:22,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-03-16 11:18:22,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=475, Invalid=1781, Unknown=0, NotChecked=0, Total=2256 [2022-03-16 11:18:22,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:18:22,338 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:18:22,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 4.979166666666667) internal successors, (239), 47 states have internal predecessors, (239), 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 11:18:22,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:18:22,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-03-16 11:18:22,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-16 11:18:22,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:18:25,107 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1415 transitions and produced 903 states. [2022-03-16 11:18:25,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:18:25,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-03-16 11:18:25,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-16 11:18:25,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2022-03-16 11:18:25,125 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 11:18:25,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:18:25,309 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:18:25,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:18:25,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1806342716, now seen corresponding path program 5 times [2022-03-16 11:18:25,310 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:18:25,310 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654482111] [2022-03-16 11:18:25,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:18:25,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:18:25,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:18:25,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2511 backedges. 0 proven. 924 refuted. 0 times theorem prover too weak. 1587 trivial. 0 not checked. [2022-03-16 11:18:25,556 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:18:25,556 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654482111] [2022-03-16 11:18:25,556 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654482111] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:18:25,556 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [103637767] [2022-03-16 11:18:25,556 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 11:18:25,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:18:25,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:18:25,558 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 11:18:25,559 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 11:18:25,680 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 32 check-sat command(s) [2022-03-16 11:18:25,680 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:18:25,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 56 conjunts are in the unsatisfiable core [2022-03-16 11:18:25,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:18:26,558 INFO L134 CoverageAnalysis]: Checked inductivity of 2511 backedges. 1898 proven. 501 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-03-16 11:18:26,558 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:18:26,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2511 backedges. 1898 proven. 501 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-03-16 11:18:26,977 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [103637767] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:18:26,977 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:18:26,977 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 30, 30] total 57 [2022-03-16 11:18:26,977 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085651238] [2022-03-16 11:18:26,977 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:18:26,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2022-03-16 11:18:26,978 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:18:26,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2022-03-16 11:18:26,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=747, Invalid=2559, Unknown=0, NotChecked=0, Total=3306 [2022-03-16 11:18:26,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:18:26,980 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:18:26,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 5.086206896551724) internal successors, (295), 57 states have internal predecessors, (295), 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 11:18:26,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:18:26,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-03-16 11:18:26,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-16 11:18:26,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2022-03-16 11:18:26,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:18:30,856 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1716 transitions and produced 1084 states. [2022-03-16 11:18:30,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:18:30,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-03-16 11:18:30,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-16 11:18:30,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2022-03-16 11:18:30,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2022-03-16 11:18:30,876 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 11:18:31,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:18:31,068 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:18:31,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:18:31,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1014833529, now seen corresponding path program 6 times [2022-03-16 11:18:31,069 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:18:31,069 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586944479] [2022-03-16 11:18:31,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:18:31,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:18:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:18:31,465 INFO L134 CoverageAnalysis]: Checked inductivity of 4084 backedges. 0 proven. 1323 refuted. 0 times theorem prover too weak. 2761 trivial. 0 not checked. [2022-03-16 11:18:31,465 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:18:31,466 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586944479] [2022-03-16 11:18:31,466 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586944479] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:18:31,466 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1676838363] [2022-03-16 11:18:31,466 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-16 11:18:31,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:18:31,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:18:31,470 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 11:18:31,471 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 11:18:31,782 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 39 check-sat command(s) [2022-03-16 11:18:31,782 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:18:31,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 38 conjunts are in the unsatisfiable core [2022-03-16 11:18:31,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:18:32,641 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-16 11:18:32,641 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 40 treesize of output 253 [2022-03-16 11:18:33,549 INFO L134 CoverageAnalysis]: Checked inductivity of 4084 backedges. 0 proven. 1263 refuted. 0 times theorem prover too weak. 2821 trivial. 0 not checked. [2022-03-16 11:18:33,549 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:18:34,010 INFO L353 Elim1Store]: treesize reduction 5, result has 79.2 percent of original size [2022-03-16 11:18:34,011 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 23 [2022-03-16 11:18:35,633 INFO L353 Elim1Store]: treesize reduction 40, result has 95.8 percent of original size [2022-03-16 11:18:35,634 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 30 new quantified variables, introduced 120 case distinctions, treesize of input 35 treesize of output 980 Received shutdown request... [2022-03-16 11:32:23,378 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-16 11:32:23,380 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-16 11:32:23,389 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 11:32:23,389 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 11:32:23,389 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 11:32:23,397 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-03-16 11:32:23,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:32:23,588 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 266 with TraceHistMax 39,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 6ms.. [2022-03-16 11:32:23,595 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-16 11:32:23,595 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-16 11:32:23,603 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-16 11:32:23,612 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-16 11:32:23,614 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 11:32:23,614 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 11:32:23,616 INFO L202 PluginConnector]: Adding new model prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 11:32:23 BasicIcfg [2022-03-16 11:32:23,616 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 11:32:23,618 INFO L158 Benchmark]: Toolchain (without parser) took 864322.61ms. Allocated memory was 174.1MB in the beginning and 1.1GB in the end (delta: 913.3MB). Free memory was 132.6MB in the beginning and 969.1MB in the end (delta: -836.5MB). Peak memory consumption was 683.5MB. Max. memory is 8.0GB. [2022-03-16 11:32:23,618 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 174.1MB. Free memory is still 133.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 11:32:23,618 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.42ms. Allocated memory is still 174.1MB. Free memory was 132.6MB in the beginning and 131.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 11:32:23,620 INFO L158 Benchmark]: Boogie Preprocessor took 21.14ms. Allocated memory is still 174.1MB. Free memory was 131.1MB in the beginning and 130.1MB in the end (delta: 953.3kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 11:32:23,620 INFO L158 Benchmark]: RCFGBuilder took 244.91ms. Allocated memory is still 174.1MB. Free memory was 130.0MB in the beginning and 119.9MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-16 11:32:23,621 INFO L158 Benchmark]: TraceAbstraction took 864030.32ms. Allocated memory was 174.1MB in the beginning and 1.1GB in the end (delta: 913.3MB). Free memory was 119.4MB in the beginning and 969.1MB in the end (delta: -849.7MB). Peak memory consumption was 671.0MB. Max. memory is 8.0GB. [2022-03-16 11:32:23,621 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 174.1MB. Free memory is still 133.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 22.42ms. Allocated memory is still 174.1MB. Free memory was 132.6MB in the beginning and 131.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.14ms. Allocated memory is still 174.1MB. Free memory was 131.1MB in the beginning and 130.1MB in the end (delta: 953.3kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 244.91ms. Allocated memory is still 174.1MB. Free memory was 130.0MB in the beginning and 119.9MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 864030.32ms. Allocated memory was 174.1MB in the beginning and 1.1GB in the end (delta: 913.3MB). Free memory was 119.4MB in the beginning and 969.1MB in the end (delta: -849.7MB). Peak memory consumption was 671.0MB. 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: 70]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 266 with TraceHistMax 39,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 6ms.. - TimeoutResultAtElement [Line: 63]: 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 266 with TraceHistMax 39,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 6ms.. - TimeoutResultAtElement [Line: 64]: 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 266 with TraceHistMax 39,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 6ms.. - TimeoutResultAtElement [Line: 63]: 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 266 with TraceHistMax 39,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 6ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 47 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 863.9s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 9.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 323, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 20.6s InterpolantComputationTime, 1373 NumberOfCodeBlocks, 1365 NumberOfCodeBlocksAsserted, 62 NumberOfCheckSat, 1990 ConstructedInterpolants, 16 QuantifiedInterpolants, 15052 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1480 ConjunctsInSsa, 143 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 13009/17603 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