/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-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/threaded-sum-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-02 10:19:19,198 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-02 10:19:19,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-02 10:19:19,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-02 10:19:19,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-02 10:19:19,242 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-02 10:19:19,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-02 10:19:19,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-02 10:19:19,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-02 10:19:19,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-02 10:19:19,255 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-02 10:19:19,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-02 10:19:19,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-02 10:19:19,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-02 10:19:19,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-02 10:19:19,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-02 10:19:19,261 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-02 10:19:19,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-02 10:19:19,267 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-02 10:19:19,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-02 10:19:19,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-02 10:19:19,273 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-02 10:19:19,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-02 10:19:19,276 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-02 10:19:19,281 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-02 10:19:19,286 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-02 10:19:19,287 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-02 10:19:19,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-02 10:19:19,291 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-MCRwithoutDepranks-Lazy.epf [2022-03-02 10:19:19,320 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-02 10:19:19,320 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-02 10:19:19,321 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-02 10:19:19,321 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-02 10:19:19,322 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-02 10:19:19,322 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-02 10:19:19,322 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-02 10:19:19,323 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-02 10:19:19,323 INFO L138 SettingsManager]: * Use SBE=true [2022-03-02 10:19:19,323 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-02 10:19:19,324 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-02 10:19:19,324 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-02 10:19:19,324 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-02 10:19:19,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-02 10:19:19,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-02 10:19:19,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-02 10:19:19,324 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-02 10:19:19,324 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-02 10:19:19,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-02 10:19:19,325 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-02 10:19:19,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-02 10:19:19,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-02 10:19:19,325 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-02 10:19:19,325 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-02 10:19:19,325 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-02 10:19:19,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 10:19:19,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-02 10:19:19,326 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-02 10:19:19,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-02 10:19:19,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-02 10:19:19,326 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-02 10:19:19,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-02 10:19:19,327 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-02 10:19:19,327 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-02 10:19:19,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-02 10:19:19,327 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-02 10:19:19,327 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-02 10:19:19,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-02 10:19:19,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-02 10:19:19,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-02 10:19:19,537 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-02 10:19:19,538 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-02 10:19:19,539 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/threaded-sum-3.wvr.bpl [2022-03-02 10:19:19,540 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/threaded-sum-3.wvr.bpl' [2022-03-02 10:19:19,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-02 10:19:19,568 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-02 10:19:19,569 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-02 10:19:19,569 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-02 10:19:19,569 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-02 10:19:19,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:19:19" (1/1) ... [2022-03-02 10:19:19,587 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:19:19" (1/1) ... [2022-03-02 10:19:19,597 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-02 10:19:19,598 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-02 10:19:19,600 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-02 10:19:19,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-02 10:19:19,601 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-02 10:19:19,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:19:19" (1/1) ... [2022-03-02 10:19:19,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:19:19" (1/1) ... [2022-03-02 10:19:19,609 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:19:19" (1/1) ... [2022-03-02 10:19:19,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:19:19" (1/1) ... [2022-03-02 10:19:19,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:19:19" (1/1) ... [2022-03-02 10:19:19,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:19:19" (1/1) ... [2022-03-02 10:19:19,617 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:19:19" (1/1) ... [2022-03-02 10:19:19,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-02 10:19:19,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-02 10:19:19,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-02 10:19:19,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-02 10:19:19,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:19:19" (1/1) ... [2022-03-02 10:19:19,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 10:19:19,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:19:19,660 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) [2022-03-02 10:19:19,666 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 [2022-03-02 10:19:19,702 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-02 10:19:19,703 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-02 10:19:19,703 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-02 10:19:19,703 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-02 10:19:19,703 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-02 10:19:19,703 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-02 10:19:19,704 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-02 10:19:19,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-02 10:19:19,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-02 10:19:19,704 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-02 10:19:19,704 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-02 10:19:19,704 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-02 10:19:19,705 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-02 10:19:19,750 INFO L234 CfgBuilder]: Building ICFG [2022-03-02 10:19:19,752 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-02 10:19:19,878 INFO L275 CfgBuilder]: Performing block encoding [2022-03-02 10:19:19,898 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-02 10:19:19,898 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-02 10:19:19,905 INFO L202 PluginConnector]: Adding new model threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 10:19:19 BoogieIcfgContainer [2022-03-02 10:19:19,905 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-02 10:19:19,919 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-02 10:19:19,919 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-02 10:19:19,922 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-02 10:19:19,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:19:19" (1/2) ... [2022-03-02 10:19:19,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a8a080c and model type threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 10:19:19, skipping insertion in model container [2022-03-02 10:19:19,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 10:19:19" (2/2) ... [2022-03-02 10:19:19,937 INFO L111 eAbstractionObserver]: Analyzing ICFG threaded-sum-3.wvr.bpl [2022-03-02 10:19:19,941 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-02 10:19:19,941 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-02 10:19:19,941 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-02 10:19:19,941 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-02 10:19:19,999 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-02 10:19:20,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 10:19:20,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:19:20,036 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) [2022-03-02 10:19:20,037 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 [2022-03-02 10:19:20,063 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 10:19:20,069 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=true, mMcrOverapproximateWrwc=true [2022-03-02 10:19:20,069 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-02 10:19:20,386 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 398 transitions and produced 362 states. [2022-03-02 10:19:20,388 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:19:20,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:19:20,392 INFO L85 PathProgramCache]: Analyzing trace with hash -797797541, now seen corresponding path program 1 times [2022-03-02 10:19:20,399 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:19:20,400 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758817362] [2022-03-02 10:19:20,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:19:20,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:19:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:19:20,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1495 backedges. 953 proven. 0 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2022-03-02 10:19:20,636 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:19:20,636 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758817362] [2022-03-02 10:19:20,637 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758817362] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 10:19:20,637 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 10:19:20,637 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-02 10:19:20,638 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313926819] [2022-03-02 10:19:20,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 10:19:20,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-02 10:19:20,644 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:19:20,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-02 10:19:20,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-02 10:19:20,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:19:20,668 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:19:20,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2022-03-02 10:19:20,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:19:20,994 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 665 transitions and produced 606 states. [2022-03-02 10:19:20,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 10:19:20,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-02 10:19:20,996 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:19:20,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:19:20,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1920869064, now seen corresponding path program 2 times [2022-03-02 10:19:20,999 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:19:20,999 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67082385] [2022-03-02 10:19:20,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:19:21,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:19:21,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:19:21,180 INFO L134 CoverageAnalysis]: Checked inductivity of 3809 backedges. 1785 proven. 0 refuted. 0 times theorem prover too weak. 2024 trivial. 0 not checked. [2022-03-02 10:19:21,181 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:19:21,181 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67082385] [2022-03-02 10:19:21,181 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67082385] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 10:19:21,181 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 10:19:21,181 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-02 10:19:21,181 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465342423] [2022-03-02 10:19:21,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 10:19:21,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-02 10:19:21,183 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:19:21,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-02 10:19:21,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-02 10:19:21,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:19:21,184 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:19:21,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2022-03-02 10:19:21,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 10:19:21,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:19:21,368 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 526 transitions and produced 483 states. [2022-03-02 10:19:21,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 10:19:21,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 10:19:21,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-02 10:19:21,370 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:19:21,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:19:21,371 INFO L85 PathProgramCache]: Analyzing trace with hash 582402271, now seen corresponding path program 3 times [2022-03-02 10:19:21,372 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:19:21,372 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371218143] [2022-03-02 10:19:21,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:19:21,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:19:21,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:19:31,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2369 backedges. 550 proven. 1643 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-03-02 10:19:31,986 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:19:31,986 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371218143] [2022-03-02 10:19:31,986 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371218143] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:19:31,986 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1961415407] [2022-03-02 10:19:31,986 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 10:19:31,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:19:31,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:19:31,992 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) [2022-03-02 10:19:32,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-02 10:19:32,118 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 32 check-sat command(s) [2022-03-02 10:19:32,119 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 10:19:32,122 WARN L261 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 83 conjunts are in the unsatisfiable core [2022-03-02 10:19:32,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2022-03-02 10:33:15,379 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 [2022-03-02 10:33:15,386 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-02 10:33:15,388 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-02 10:33:15,394 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 [2022-03-02 10:33:15,396 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 10:33:15,405 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-02 10:33:15,588 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,SelfDestructingSolverStorable2 [2022-03-02 10:33:15,589 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 137 with TraceHistMax 48,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 35ms.. [2022-03-02 10:33:15,590 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-02 10:33:15,590 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-02 10:33:15,590 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-02 10:33:15,596 INFO L732 BasicCegarLoop]: Path program histogram: [3] [2022-03-02 10:33:15,598 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 10:33:15,598 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 10:33:15,600 INFO L202 PluginConnector]: Adding new model threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 10:33:15 BasicIcfg [2022-03-02 10:33:15,600 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 10:33:15,601 INFO L158 Benchmark]: Toolchain (without parser) took 836032.73ms. Allocated memory was 178.3MB in the beginning and 986.7MB in the end (delta: 808.5MB). Free memory was 142.7MB in the beginning and 401.5MB in the end (delta: -258.8MB). Peak memory consumption was 609.0MB. Max. memory is 8.0GB. [2022-03-02 10:33:15,601 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 178.3MB. Free memory was 143.9MB in the beginning and 143.9MB in the end (delta: 73.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 10:33:15,602 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.96ms. Allocated memory is still 178.3MB. Free memory was 142.6MB in the beginning and 141.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 10:33:15,603 INFO L158 Benchmark]: Boogie Preprocessor took 20.40ms. Allocated memory is still 178.3MB. Free memory was 141.2MB in the beginning and 140.2MB in the end (delta: 993.7kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 10:33:15,604 INFO L158 Benchmark]: RCFGBuilder took 283.86ms. Allocated memory is still 178.3MB. Free memory was 140.1MB in the beginning and 130.0MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-02 10:33:15,604 INFO L158 Benchmark]: TraceAbstraction took 835681.18ms. Allocated memory was 178.3MB in the beginning and 986.7MB in the end (delta: 808.5MB). Free memory was 129.5MB in the beginning and 401.5MB in the end (delta: -272.0MB). Peak memory consumption was 596.4MB. Max. memory is 8.0GB. [2022-03-02 10:33:15,606 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 0.11ms. Allocated memory is still 178.3MB. Free memory was 143.9MB in the beginning and 143.9MB in the end (delta: 73.3kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.96ms. Allocated memory is still 178.3MB. Free memory was 142.6MB in the beginning and 141.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.40ms. Allocated memory is still 178.3MB. Free memory was 141.2MB in the beginning and 140.2MB in the end (delta: 993.7kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 283.86ms. Allocated memory is still 178.3MB. Free memory was 140.1MB in the beginning and 130.0MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 835681.18ms. Allocated memory was 178.3MB in the beginning and 986.7MB in the end (delta: 808.5MB). Free memory was 129.5MB in the beginning and 401.5MB in the end (delta: -272.0MB). Peak memory consumption was 596.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 78]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 137 with TraceHistMax 48,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 35ms.. - TimeoutResultAtElement [Line: 71]: 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 137 with TraceHistMax 48,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 35ms.. - TimeoutResultAtElement [Line: 72]: 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 137 with TraceHistMax 48,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 35ms.. - TimeoutResultAtElement [Line: 71]: 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 137 with TraceHistMax 48,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 35ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 47 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 835.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 307 NumberOfCodeBlocks, 307 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 305 ConstructedInterpolants, 0 QuantifiedInterpolants, 385 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 5304/5304 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