/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/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/dot-product-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-19 12:33:27,178 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-19 12:33:27,230 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-19 12:33:27,246 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-19 12:33:27,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-19 12:33:27,246 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-19 12:33:27,246 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-19 12:33:27,247 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-19 12:33:27,247 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-19 12:33:27,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-19 12:33:27,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-19 12:33:27,247 INFO L138 SettingsManager]: * Use SBE=true [2023-05-19 12:33:27,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-19 12:33:27,248 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-19 12:33:27,248 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-19 12:33:27,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-19 12:33:27,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-19 12:33:27,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-19 12:33:27,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-19 12:33:27,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-19 12:33:27,249 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-19 12:33:27,249 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-19 12:33:27,249 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-19 12:33:27,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-19 12:33:27,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-19 12:33:27,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-19 12:33:27,249 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-19 12:33:27,250 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-19 12:33:27,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 12:33:27,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-19 12:33:27,250 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-19 12:33:27,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-19 12:33:27,250 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-19 12:33:27,250 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-19 12:33:27,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-19 12:33:27,251 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-19 12:33:27,251 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-19 12:33:27,251 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-19 12:33:27,251 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-19 12:33:27,251 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-19 12:33:27,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-19 12:33:27,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-19 12:33:27,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-19 12:33:27,472 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-19 12:33:27,487 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-19 12:33:27,488 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/dot-product-alt.wvr.bpl [2023-05-19 12:33:27,488 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/dot-product-alt.wvr.bpl' [2023-05-19 12:33:27,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-19 12:33:27,520 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-19 12:33:27,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-19 12:33:27,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-19 12:33:27,522 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-19 12:33:27,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 12:33:27" (1/1) ... [2023-05-19 12:33:27,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 12:33:27" (1/1) ... [2023-05-19 12:33:27,544 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-19 12:33:27,546 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-19 12:33:27,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-19 12:33:27,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-19 12:33:27,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-19 12:33:27,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 12:33:27" (1/1) ... [2023-05-19 12:33:27,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 12:33:27" (1/1) ... [2023-05-19 12:33:27,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 12:33:27" (1/1) ... [2023-05-19 12:33:27,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 12:33:27" (1/1) ... [2023-05-19 12:33:27,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 12:33:27" (1/1) ... [2023-05-19 12:33:27,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 12:33:27" (1/1) ... [2023-05-19 12:33:27,569 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 12:33:27" (1/1) ... [2023-05-19 12:33:27,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 12:33:27" (1/1) ... [2023-05-19 12:33:27,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-19 12:33:27,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-19 12:33:27,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-19 12:33:27,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-19 12:33:27,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 12:33:27" (1/1) ... [2023-05-19 12:33:27,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 12:33:27,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 12:33:27,606 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) [2023-05-19 12:33:27,611 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 [2023-05-19 12:33:27,646 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-19 12:33:27,646 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-19 12:33:27,646 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-19 12:33:27,647 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-19 12:33:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-19 12:33:27,647 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-19 12:33:27,647 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-19 12:33:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-19 12:33:27,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-19 12:33:27,647 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-19 12:33:27,647 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-19 12:33:27,647 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-19 12:33:27,648 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-19 12:33:27,688 INFO L235 CfgBuilder]: Building ICFG [2023-05-19 12:33:27,690 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-19 12:33:27,825 INFO L276 CfgBuilder]: Performing block encoding [2023-05-19 12:33:27,829 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-19 12:33:27,830 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-19 12:33:27,831 INFO L202 PluginConnector]: Adding new model dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 12:33:27 BoogieIcfgContainer [2023-05-19 12:33:27,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-19 12:33:27,849 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-19 12:33:27,849 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-19 12:33:27,852 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-19 12:33:27,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 12:33:27" (1/2) ... [2023-05-19 12:33:27,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@700821a0 and model type dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.05 12:33:27, skipping insertion in model container [2023-05-19 12:33:27,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 12:33:27" (2/2) ... [2023-05-19 12:33:27,854 INFO L112 eAbstractionObserver]: Analyzing ICFG dot-product-alt.wvr.bpl [2023-05-19 12:33:27,860 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-19 12:33:27,867 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-19 12:33:27,867 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-19 12:33:27,867 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-19 12:33:27,895 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-19 12:33:27,951 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 12:33:27,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-19 12:33:27,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 12:33:27,964 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) [2023-05-19 12:33:27,992 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 [2023-05-19 12:33:28,010 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-19 12:33:28,034 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-19 12:33:28,045 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@78b89dc4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 12:33:28,045 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-19 12:33:28,157 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 12:33:28,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 12:33:28,160 INFO L85 PathProgramCache]: Analyzing trace with hash -541321700, now seen corresponding path program 1 times [2023-05-19 12:33:28,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 12:33:28,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922237573] [2023-05-19 12:33:28,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 12:33:28,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 12:33:28,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 12:33:28,380 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-19 12:33:28,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 12:33:28,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922237573] [2023-05-19 12:33:28,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922237573] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 12:33:28,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 12:33:28,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-19 12:33:28,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113302957] [2023-05-19 12:33:28,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 12:33:28,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-19 12:33:28,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 12:33:28,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-19 12:33:28,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-05-19 12:33:28,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:33:28,423 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 12:33:28,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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) [2023-05-19 12:33:28,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:33:28,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 12:33:28,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-19 12:33:28,576 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 12:33:28,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 12:33:28,578 INFO L85 PathProgramCache]: Analyzing trace with hash -472098406, now seen corresponding path program 1 times [2023-05-19 12:33:28,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 12:33:28,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462567545] [2023-05-19 12:33:28,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 12:33:28,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 12:33:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 12:33:28,829 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 30 proven. 21 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-19 12:33:28,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 12:33:28,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462567545] [2023-05-19 12:33:28,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462567545] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 12:33:28,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231240587] [2023-05-19 12:33:28,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 12:33:28,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 12:33:28,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 12:33:28,832 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) [2023-05-19 12:33:28,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-19 12:33:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 12:33:28,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 11 conjunts are in the unsatisfiable core [2023-05-19 12:33:28,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 12:33:29,168 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 32 proven. 17 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-19 12:33:29,168 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 12:33:29,468 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 32 proven. 20 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-19 12:33:29,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231240587] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 12:33:29,469 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 12:33:29,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 12] total 25 [2023-05-19 12:33:29,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855828706] [2023-05-19 12:33:29,470 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 12:33:29,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-05-19 12:33:29,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 12:33:29,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-05-19 12:33:29,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=471, Unknown=0, NotChecked=0, Total=600 [2023-05-19 12:33:29,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:33:29,482 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 12:33:29,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.96) internal successors, (99), 25 states have internal predecessors, (99), 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) [2023-05-19 12:33:29,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 12:33:29,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:33:30,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 12:33:30,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-19 12:33:30,063 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-19 12:33:30,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-05-19 12:33:30,249 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 12:33:30,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 12:33:30,250 INFO L85 PathProgramCache]: Analyzing trace with hash 696430069, now seen corresponding path program 2 times [2023-05-19 12:33:30,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 12:33:30,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811426790] [2023-05-19 12:33:30,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 12:33:30,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 12:33:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 12:33:30,445 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 1 proven. 59 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 12:33:30,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 12:33:30,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811426790] [2023-05-19 12:33:30,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811426790] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 12:33:30,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580548395] [2023-05-19 12:33:30,446 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 12:33:30,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 12:33:30,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 12:33:30,447 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 12:33:30,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-19 12:33:30,489 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 12:33:30,490 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 12:33:30,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-19 12:33:30,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 12:33:30,684 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 57 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-19 12:33:30,684 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 12:33:30,923 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 4 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 12:33:30,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1580548395] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 12:33:30,923 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 12:33:30,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 15] total 27 [2023-05-19 12:33:30,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125709066] [2023-05-19 12:33:30,923 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 12:33:30,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-05-19 12:33:30,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 12:33:30,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-05-19 12:33:30,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=576, Unknown=0, NotChecked=0, Total=702 [2023-05-19 12:33:30,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:33:30,925 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 12:33:30,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.888888888888889) internal successors, (105), 27 states have internal predecessors, (105), 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) [2023-05-19 12:33:30,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-19 12:33:30,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-19 12:33:30,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:33:31,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-19 12:33:31,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-19 12:33:31,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-19 12:33:31,367 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-05-19 12:33:31,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 12:33:31,550 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 12:33:31,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 12:33:31,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1185162282, now seen corresponding path program 3 times [2023-05-19 12:33:31,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 12:33:31,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008503147] [2023-05-19 12:33:31,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 12:33:31,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 12:33:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 12:33:33,270 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 12:33:33,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 12:33:33,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008503147] [2023-05-19 12:33:33,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008503147] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 12:33:33,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658195967] [2023-05-19 12:33:33,271 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 12:33:33,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 12:33:33,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 12:33:33,272 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 12:33:33,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-19 12:33:33,310 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2023-05-19 12:33:33,310 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 12:33:33,311 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 62 conjunts are in the unsatisfiable core [2023-05-19 12:33:33,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 12:33:35,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 12:33:35,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 12:33:35,612 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 12:33:35,614 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 12:33:35,620 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 93 [2023-05-19 12:33:35,821 INFO L356 Elim1Store]: treesize reduction 206, result has 54.7 percent of original size [2023-05-19 12:33:35,822 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 93 treesize of output 267 [2023-05-19 12:33:35,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 12:33:35,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 12:33:35,846 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 12:33:35,847 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 12:33:35,849 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 290 treesize of output 228 [2023-05-19 12:33:36,181 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 12:33:36,182 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 12:33:39,062 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 12:33:39,062 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 12:33:39,063 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 12:33:39,063 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 12:33:39,064 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 12:33:39,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 12:33:39,067 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 12:33:39,069 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 12:33:39,072 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 12:33:39,073 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 12:33:39,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 12:33:39,176 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 12:33:39,177 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 21 disjoint index pairs (out of 66 index pairs), introduced 10 new quantified variables, introduced 32 case distinctions, treesize of input 149 treesize of output 338 [2023-05-19 12:33:40,172 INFO L356 Elim1Store]: treesize reduction 369, result has 68.8 percent of original size [2023-05-19 12:33:40,172 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 107 treesize of output 831 [2023-05-19 12:33:40,282 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 12:33:40,282 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 12:33:40,283 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 12:33:40,283 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 12:33:40,284 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 12:33:40,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 12:33:40,287 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 12:33:40,289 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 12:33:40,292 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 12:33:40,294 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 12:33:40,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 12:33:40,433 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 12:33:40,434 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 21 disjoint index pairs (out of 66 index pairs), introduced 10 new quantified variables, introduced 32 case distinctions, treesize of input 806 treesize of output 726 Received shutdown request... [2023-05-19 12:47:32,794 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-19 12:47:32,796 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-19 12:47:32,796 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2023-05-19 12:47:32,796 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 [2023-05-19 12:47:32,796 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 [2023-05-19 12:47:32,811 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-05-19 12:47:32,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 12:47:32,997 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 55 with TraceHistMax 6,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 28ms.. [2023-05-19 12:47:32,998 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-19 12:47:32,998 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-19 12:47:32,998 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-19 12:47:33,003 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1] [2023-05-19 12:47:33,005 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-19 12:47:33,005 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-19 12:47:33,007 INFO L202 PluginConnector]: Adding new model dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.05 12:47:33 BasicIcfg [2023-05-19 12:47:33,007 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-19 12:47:33,008 INFO L158 Benchmark]: Toolchain (without parser) took 845487.64ms. Allocated memory was 255.9MB in the beginning and 639.6MB in the end (delta: 383.8MB). Free memory was 209.6MB in the beginning and 371.3MB in the end (delta: -161.7MB). Peak memory consumption was 384.7MB. Max. memory is 8.0GB. [2023-05-19 12:47:33,008 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 255.9MB. Free memory is still 210.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-19 12:47:33,008 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.68ms. Allocated memory is still 255.9MB. Free memory was 209.5MB in the beginning and 207.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-19 12:47:33,008 INFO L158 Benchmark]: Boogie Preprocessor took 24.40ms. Allocated memory is still 255.9MB. Free memory was 207.9MB in the beginning and 206.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-19 12:47:33,009 INFO L158 Benchmark]: RCFGBuilder took 256.53ms. Allocated memory is still 255.9MB. Free memory was 206.9MB in the beginning and 197.6MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2023-05-19 12:47:33,009 INFO L158 Benchmark]: TraceAbstraction took 845158.61ms. Allocated memory was 255.9MB in the beginning and 639.6MB in the end (delta: 383.8MB). Free memory was 228.3MB in the beginning and 371.3MB in the end (delta: -143.1MB). Peak memory consumption was 402.9MB. Max. memory is 8.0GB. [2023-05-19 12:47:33,010 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 255.9MB. Free memory is still 210.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.68ms. Allocated memory is still 255.9MB. Free memory was 209.5MB in the beginning and 207.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.40ms. Allocated memory is still 255.9MB. Free memory was 207.9MB in the beginning and 206.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 256.53ms. Allocated memory is still 255.9MB. Free memory was 206.9MB in the beginning and 197.6MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 845158.61ms. Allocated memory was 255.9MB in the beginning and 639.6MB in the end (delta: 383.8MB). Free memory was 228.3MB in the beginning and 371.3MB in the end (delta: -143.1MB). Peak memory consumption was 402.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1112, independent: 945, independent conditional: 385, independent unconditional: 560, dependent: 167, dependent conditional: 167, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 945, independent: 945, independent conditional: 385, independent unconditional: 560, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 945, independent: 945, independent conditional: 385, independent unconditional: 560, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 945, independent: 945, independent conditional: 0, independent unconditional: 945, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 945, independent: 945, independent conditional: 0, independent unconditional: 945, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 945, independent: 945, independent conditional: 0, independent unconditional: 945, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 466, independent: 466, independent conditional: 0, independent unconditional: 466, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 466, independent: 462, independent conditional: 0, independent unconditional: 462, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 72, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 945, independent: 479, independent conditional: 0, independent unconditional: 479, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 466, unknown conditional: 0, unknown unconditional: 466] , Statistics on independence cache: Total cache size (in pairs): 466, Positive cache size: 466, Positive conditional cache size: 0, Positive unconditional cache size: 466, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 167 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 77, Number of trivial persistent sets: 41, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 560, independent: 560, independent conditional: 0, independent unconditional: 560, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1112, independent: 945, independent conditional: 385, independent unconditional: 560, dependent: 167, dependent conditional: 167, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 945, independent: 945, independent conditional: 385, independent unconditional: 560, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 945, independent: 945, independent conditional: 385, independent unconditional: 560, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 945, independent: 945, independent conditional: 0, independent unconditional: 945, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 945, independent: 945, independent conditional: 0, independent unconditional: 945, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 945, independent: 945, independent conditional: 0, independent unconditional: 945, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 466, independent: 466, independent conditional: 0, independent unconditional: 466, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 466, independent: 462, independent conditional: 0, independent unconditional: 462, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 72, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 945, independent: 479, independent conditional: 0, independent unconditional: 479, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 466, unknown conditional: 0, unknown unconditional: 466] , Statistics on independence cache: Total cache size (in pairs): 466, Positive cache size: 466, Positive conditional cache size: 0, Positive unconditional cache size: 466, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 167 - TimeoutResultAtElement [Line: 61]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 55 with TraceHistMax 6,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 28ms.. - TimeoutResultAtElement [Line: 54]: 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 55 with TraceHistMax 6,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 28ms.. - TimeoutResultAtElement [Line: 54]: 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 55 with TraceHistMax 6,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 28ms.. - 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 55 with TraceHistMax 6,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 28ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 48 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 845.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 1.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 61, 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, 1.6s InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 314 ConstructedInterpolants, 0 QuantifiedInterpolants, 1775 SizeOfPredicates, 12 NumberOfNonLiveVariables, 197 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 142/374 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