/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-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-1.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 06:15:36,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 06:15:36,829 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 06:15:36,876 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 06:15:36,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 06:15:36,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 06:15:36,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 06:15:36,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 06:15:36,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 06:15:36,882 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 06:15:36,883 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 06:15:36,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 06:15:36,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 06:15:36,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 06:15:36,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 06:15:36,889 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 06:15:36,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 06:15:36,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 06:15:36,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 06:15:36,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 06:15:36,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 06:15:36,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 06:15:36,897 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 06:15:36,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 06:15:36,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 06:15:36,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 06:15:36,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 06:15:36,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 06:15:36,911 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-wrwc.epf [2022-03-16 06:15:36,931 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 06:15:36,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 06:15:36,932 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 06:15:36,932 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 06:15:36,933 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 06:15:36,933 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 06:15:36,933 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 06:15:36,933 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 06:15:36,934 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 06:15:36,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 06:15:36,934 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 06:15:36,934 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 06:15:36,934 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 06:15:36,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 06:15:36,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 06:15:36,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 06:15:36,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 06:15:36,935 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 06:15:36,935 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 06:15:36,935 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 06:15:36,935 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 06:15:36,935 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 06:15:36,935 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 06:15:36,935 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 06:15:36,936 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 06:15:36,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 06:15:36,936 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 06:15:36,936 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 06:15:36,936 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 06:15:36,936 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 06:15:36,936 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 06:15:36,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 06:15:36,937 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 06:15:36,937 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 06:15:36,937 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 06:15:36,937 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 06:15:36,937 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-16 06:15:36,937 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 06:15:36,937 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 06:15:37,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 06:15:37,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 06:15:37,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 06:15:37,152 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 06:15:37,153 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 06:15:37,153 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-1.wvr.bpl [2022-03-16 06:15:37,154 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-1.wvr.bpl' [2022-03-16 06:15:37,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 06:15:37,178 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 06:15:37,179 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 06:15:37,179 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 06:15:37,179 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 06:15:37,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:15:37" (1/1) ... [2022-03-16 06:15:37,193 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:15:37" (1/1) ... [2022-03-16 06:15:37,199 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 06:15:37,200 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 06:15:37,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 06:15:37,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 06:15:37,201 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 06:15:37,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:15:37" (1/1) ... [2022-03-16 06:15:37,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:15:37" (1/1) ... [2022-03-16 06:15:37,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:15:37" (1/1) ... [2022-03-16 06:15:37,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:15:37" (1/1) ... [2022-03-16 06:15:37,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:15:37" (1/1) ... [2022-03-16 06:15:37,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:15:37" (1/1) ... [2022-03-16 06:15:37,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:15:37" (1/1) ... [2022-03-16 06:15:37,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 06:15:37,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 06:15:37,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 06:15:37,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 06:15:37,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:15:37" (1/1) ... [2022-03-16 06:15:37,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 06:15:37,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:15:37,253 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 06:15:37,258 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 06:15:37,284 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 06:15:37,284 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 06:15:37,284 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 06:15:37,284 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 06:15:37,284 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 06:15:37,284 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 06:15:37,288 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 06:15:37,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 06:15:37,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 06:15:37,289 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 06:15:37,328 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 06:15:37,329 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 06:15:37,407 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 06:15:37,426 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 06:15:37,426 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 06:15:37,427 INFO L202 PluginConnector]: Adding new model misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 06:15:37 BoogieIcfgContainer [2022-03-16 06:15:37,427 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 06:15:37,429 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 06:15:37,429 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 06:15:37,431 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 06:15:37,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:15:37" (1/2) ... [2022-03-16 06:15:37,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16603c4a and model type misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 06:15:37, skipping insertion in model container [2022-03-16 06:15:37,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 06:15:37" (2/2) ... [2022-03-16 06:15:37,433 INFO L111 eAbstractionObserver]: Analyzing ICFG misc-1.wvr.bpl [2022-03-16 06:15:37,437 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 06:15:37,437 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 06:15:37,437 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 06:15:37,437 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 06:15:37,466 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-16 06:15:37,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 06:15:37,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:15:37,522 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 06:15:37,524 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 06:15:37,547 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 06:15:37,562 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=false [2022-03-16 06:15:37,562 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-16 06:15:39,345 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 9733 transitions and produced 4627 states. [2022-03-16 06:15:39,348 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 06:15:39,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:15:39,356 INFO L85 PathProgramCache]: Analyzing trace with hash -353311559, now seen corresponding path program 1 times [2022-03-16 06:15:39,363 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:15:39,364 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118221947] [2022-03-16 06:15:39,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:15:39,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:15:39,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:15:49,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1160 backedges. 397 proven. 763 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:15:49,817 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:15:49,817 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118221947] [2022-03-16 06:15:49,818 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118221947] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:15:49,818 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [535185120] [2022-03-16 06:15:49,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:15:49,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:15:49,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:15:49,822 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 06:15:49,822 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 06:15:49,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:15:49,906 WARN L261 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 173 conjunts are in the unsatisfiable core [2022-03-16 06:15:49,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:16:03,967 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 153 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 176 treesize of output 104 [2022-03-16 06:16:04,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1160 backedges. 0 proven. 1160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 06:16:04,134 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:17:01,204 WARN L228 SmtUtils]: Spent 36.41s on a formula simplification. DAG size of input: 2610 DAG size of output: 1386 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-03-16 06:17:01,218 INFO L353 Elim1Store]: treesize reduction 4216, result has 43.2 percent of original size [2022-03-16 06:17:01,220 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 36 select indices, 36 select index equivalence classes, 0 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 630 case distinctions, treesize of input 183 treesize of output 3248 Received shutdown request... [2022-03-16 06:29:46,690 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-16 06:29:46,692 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-03-16 06:29:46,710 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-16 06:29:46,713 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 06:29:46,713 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 [2022-03-16 06:29:46,713 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 06:29:46,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-03-16 06:29:46,893 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 166 with TraceHistMax 18,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 36ms.. [2022-03-16 06:29:46,895 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-03-16 06:29:46,895 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-03-16 06:29:46,904 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-03-16 06:29:46,908 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 06:29:46,908 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 06:29:46,913 INFO L202 PluginConnector]: Adding new model misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 06:29:46 BasicIcfg [2022-03-16 06:29:46,913 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 06:29:46,913 INFO L158 Benchmark]: Toolchain (without parser) took 849735.66ms. Allocated memory was 185.6MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 146.4MB in the beginning and 559.5MB in the end (delta: -413.2MB). Peak memory consumption was 945.4MB. Max. memory is 8.0GB. [2022-03-16 06:29:46,914 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 185.6MB. Free memory is still 147.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 06:29:46,914 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.98ms. Allocated memory is still 185.6MB. Free memory was 146.4MB in the beginning and 144.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 06:29:46,914 INFO L158 Benchmark]: Boogie Preprocessor took 17.73ms. Allocated memory is still 185.6MB. Free memory was 144.8MB in the beginning and 143.8MB in the end (delta: 943.5kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 06:29:46,915 INFO L158 Benchmark]: RCFGBuilder took 207.54ms. Allocated memory is still 185.6MB. Free memory was 143.7MB in the beginning and 135.0MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-03-16 06:29:46,915 INFO L158 Benchmark]: TraceAbstraction took 849484.24ms. Allocated memory was 185.6MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 134.5MB in the beginning and 559.5MB in the end (delta: -425.0MB). Peak memory consumption was 933.8MB. Max. memory is 8.0GB. [2022-03-16 06:29:46,916 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.13ms. Allocated memory is still 185.6MB. Free memory is still 147.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.98ms. Allocated memory is still 185.6MB. Free memory was 146.4MB in the beginning and 144.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.73ms. Allocated memory is still 185.6MB. Free memory was 144.8MB in the beginning and 143.8MB in the end (delta: 943.5kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 207.54ms. Allocated memory is still 185.6MB. Free memory was 143.7MB in the beginning and 135.0MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 849484.24ms. Allocated memory was 185.6MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 134.5MB in the beginning and 559.5MB in the end (delta: -425.0MB). Peak memory consumption was 933.8MB. 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: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 166 with TraceHistMax 18,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 36ms.. - TimeoutResultAtElement [Line: 60]: 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 166 with TraceHistMax 18,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 36ms.. - TimeoutResultAtElement [Line: 60]: 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 166 with TraceHistMax 18,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 36ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 48 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 849.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.8s, 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