/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-bc289cb [2022-01-29 07:09:35,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-29 07:09:35,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-29 07:09:35,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-29 07:09:35,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-29 07:09:35,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-29 07:09:35,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-29 07:09:35,607 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-29 07:09:35,609 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-29 07:09:35,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-29 07:09:35,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-29 07:09:35,615 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-29 07:09:35,615 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-29 07:09:35,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-29 07:09:35,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-29 07:09:35,622 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-29 07:09:35,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-29 07:09:35,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-29 07:09:35,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-29 07:09:35,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-29 07:09:35,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-29 07:09:35,634 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-29 07:09:35,635 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-29 07:09:35,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-29 07:09:35,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-29 07:09:35,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-29 07:09:35,650 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-29 07:09:35,651 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-29 07:09:35,652 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.epf [2022-01-29 07:09:35,683 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-29 07:09:35,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-29 07:09:35,683 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-29 07:09:35,683 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-29 07:09:35,684 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-29 07:09:35,684 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-29 07:09:35,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-29 07:09:35,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-29 07:09:35,685 INFO L138 SettingsManager]: * Use SBE=true [2022-01-29 07:09:35,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-29 07:09:35,686 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-29 07:09:35,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-29 07:09:35,686 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-29 07:09:35,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-29 07:09:35,686 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-29 07:09:35,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-29 07:09:35,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-29 07:09:35,687 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-29 07:09:35,687 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-29 07:09:35,687 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-29 07:09:35,687 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-29 07:09:35,687 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-29 07:09:35,688 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-29 07:09:35,688 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-29 07:09:35,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-29 07:09:35,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-29 07:09:35,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-29 07:09:35,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-29 07:09:35,690 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-29 07:09:35,690 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-29 07:09:35,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-29 07:09:35,690 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-29 07:09:35,690 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-01-29 07:09:35,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-29 07:09:35,691 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-01-29 07:09:35,691 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-29 07:09:35,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-29 07:09:35,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-29 07:09:35,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-29 07:09:35,928 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-01-29 07:09:35,928 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-01-29 07:09:35,929 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x4.wvr.bpl [2022-01-29 07:09:35,930 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x4.wvr.bpl' [2022-01-29 07:09:35,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-29 07:09:35,955 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-29 07:09:35,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-29 07:09:35,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-29 07:09:35,956 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-29 07:09:35,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 07:09:35" (1/1) ... [2022-01-29 07:09:35,971 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 07:09:35" (1/1) ... [2022-01-29 07:09:35,982 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-01-29 07:09:35,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-29 07:09:35,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-29 07:09:35,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-29 07:09:35,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-29 07:09:35,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 07:09:35" (1/1) ... [2022-01-29 07:09:35,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 07:09:35" (1/1) ... [2022-01-29 07:09:35,994 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 07:09:35" (1/1) ... [2022-01-29 07:09:35,994 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 07:09:35" (1/1) ... [2022-01-29 07:09:35,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 07:09:35" (1/1) ... [2022-01-29 07:09:36,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 07:09:35" (1/1) ... [2022-01-29 07:09:36,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 07:09:35" (1/1) ... [2022-01-29 07:09:36,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-29 07:09:36,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-29 07:09:36,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-29 07:09:36,006 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-29 07:09:36,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 07:09:35" (1/1) ... [2022-01-29 07:09:36,013 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-29 07:09:36,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 07:09:36,035 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-29 07:09:36,042 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 [2022-01-29 07:09:36,063 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-01-29 07:09:36,063 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-29 07:09:36,063 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-29 07:09:36,063 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-01-29 07:09:36,063 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-29 07:09:36,063 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-29 07:09:36,064 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-01-29 07:09:36,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-29 07:09:36,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-29 07:09:36,064 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-01-29 07:09:36,064 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-29 07:09:36,064 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-29 07:09:36,064 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-01-29 07:09:36,064 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-01-29 07:09:36,064 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-01-29 07:09:36,065 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-29 07:09:36,103 INFO L234 CfgBuilder]: Building ICFG [2022-01-29 07:09:36,104 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-29 07:09:36,227 INFO L275 CfgBuilder]: Performing block encoding [2022-01-29 07:09:36,234 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-29 07:09:36,235 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-29 07:09:36,236 INFO L202 PluginConnector]: Adding new model exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 07:09:36 BoogieIcfgContainer [2022-01-29 07:09:36,236 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-29 07:09:36,238 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-29 07:09:36,238 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-29 07:09:36,247 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-29 07:09:36,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 07:09:35" (1/2) ... [2022-01-29 07:09:36,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47b0a716 and model type exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 07:09:36, skipping insertion in model container [2022-01-29 07:09:36,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 07:09:36" (2/2) ... [2022-01-29 07:09:36,253 INFO L111 eAbstractionObserver]: Analyzing ICFG exp2x4.wvr.bpl [2022-01-29 07:09:36,257 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-29 07:09:36,257 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-29 07:09:36,258 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-29 07:09:36,258 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-29 07:09:36,316 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-01-29 07:09:36,366 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-01-29 07:09:36,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 07:09:36,387 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) [2022-01-29 07:09:36,432 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 [2022-01-29 07:09:36,449 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-29 07:09:36,459 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, 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 [2022-01-29 07:09:36,460 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-01-29 07:09:36,603 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-29 07:09:36,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 07:09:36,611 INFO L85 PathProgramCache]: Analyzing trace with hash -691686085, now seen corresponding path program 1 times [2022-01-29 07:09:36,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 07:09:36,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155883710] [2022-01-29 07:09:36,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 07:09:36,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 07:09:36,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:09:37,566 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 07:09:37,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 07:09:37,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155883710] [2022-01-29 07:09:37,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155883710] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 07:09:37,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1358625387] [2022-01-29 07:09:37,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 07:09:37,568 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 07:09:37,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 07:09:37,581 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) [2022-01-29 07:09:37,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-29 07:09:37,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 07:09:37,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 53 conjunts are in the unsatisfiable core [2022-01-29 07:09:37,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2022-01-29 07:23:43,050 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 [2022-01-29 07:23:43,050 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 [2022-01-29 07:23:43,050 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 [2022-01-29 07:23:44,097 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2022-01-29 07:23:44,100 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-01-29 07:23:44,101 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-01-29 07:23:45,133 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2022-01-29 07:23:45,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-29 07:23:45,134 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 56 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2022-01-29 07:23:45,135 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-01-29 07:23:45,135 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-01-29 07:23:45,135 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-01-29 07:23:45,136 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-01-29 07:23:45,142 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-01-29 07:23:45,144 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-29 07:23:45,144 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-29 07:23:45,146 INFO L202 PluginConnector]: Adding new model exp2x4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 07:23:45 BasicIcfg [2022-01-29 07:23:45,146 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-29 07:23:45,147 INFO L158 Benchmark]: Toolchain (without parser) took 849192.18ms. Allocated memory was 178.3MB in the beginning and 1.1GB in the end (delta: 917.5MB). Free memory was 139.2MB in the beginning and 377.9MB in the end (delta: -238.6MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2022-01-29 07:23:45,147 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 178.3MB. Free memory is still 140.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-29 07:23:45,148 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.09ms. Allocated memory is still 178.3MB. Free memory was 139.1MB in the beginning and 137.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-29 07:23:45,148 INFO L158 Benchmark]: Boogie Preprocessor took 19.38ms. Allocated memory is still 178.3MB. Free memory was 137.6MB in the beginning and 136.6MB in the end (delta: 928.8kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-29 07:23:45,149 INFO L158 Benchmark]: RCFGBuilder took 230.71ms. Allocated memory is still 178.3MB. Free memory was 136.5MB in the beginning and 127.7MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-01-29 07:23:45,149 INFO L158 Benchmark]: TraceAbstraction took 848908.63ms. Allocated memory was 178.3MB in the beginning and 1.1GB in the end (delta: 917.5MB). Free memory was 127.2MB in the beginning and 377.9MB in the end (delta: -250.7MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2022-01-29 07:23:45,151 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 is still 140.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.09ms. Allocated memory is still 178.3MB. Free memory was 139.1MB in the beginning and 137.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.38ms. Allocated memory is still 178.3MB. Free memory was 137.6MB in the beginning and 136.6MB in the end (delta: 928.8kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 230.71ms. Allocated memory is still 178.3MB. Free memory was 136.5MB in the beginning and 127.7MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 848908.63ms. Allocated memory was 178.3MB in the beginning and 1.1GB in the end (delta: 917.5MB). Free memory was 127.2MB in the beginning and 377.9MB in the end (delta: -250.7MB). Peak memory consumption was 1.1GB. 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: 64]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 56 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - TimeoutResultAtElement [Line: 56]: 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 56 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - TimeoutResultAtElement [Line: 55]: 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 56 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - TimeoutResultAtElement [Line: 55]: 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 56 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - TimeoutResultAtElement [Line: 57]: 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 56 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 58 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 848.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown