/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 LOOP -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-218013a [2023-05-03 20:07:52,995 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-03 20:07:53,084 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-03 20:07:53,113 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-03 20:07:53,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-03 20:07:53,113 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-03 20:07:53,113 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-03 20:07:53,114 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-03 20:07:53,114 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-03 20:07:53,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-03 20:07:53,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-03 20:07:53,115 INFO L138 SettingsManager]: * Use SBE=true [2023-05-03 20:07:53,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-03 20:07:53,115 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-03 20:07:53,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-03 20:07:53,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-03 20:07:53,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-03 20:07:53,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-03 20:07:53,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-03 20:07:53,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-03 20:07:53,116 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-03 20:07:53,116 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-03 20:07:53,116 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-03 20:07:53,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-03 20:07:53,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-03 20:07:53,116 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-03 20:07:53,118 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-03 20:07:53,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-03 20:07:53,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 20:07:53,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-03 20:07:53,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-03 20:07:53,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-03 20:07:53,119 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-03 20:07:53,119 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-03 20:07:53,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-03 20:07:53,120 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-03 20:07:53,120 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-03 20:07:53,120 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-03 20:07:53,120 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-03 20:07:53,121 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-03 20:07:53,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-03 20:07:53,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-03 20:07:53,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-03 20:07:53,361 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-03 20:07:53,362 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-03 20:07:53,363 INFO L432 ainManager$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 [2023-05-03 20:07:53,363 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' [2023-05-03 20:07:53,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-03 20:07:53,385 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-03 20:07:53,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-03 20:07:53,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-03 20:07:53,386 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-03 20:07:53,395 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 03.05 08:07:53" (1/1) ... [2023-05-03 20:07:53,403 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 03.05 08:07:53" (1/1) ... [2023-05-03 20:07:53,408 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-03 20:07:53,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-03 20:07:53,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-03 20:07:53,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-03 20:07:53,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-03 20:07:53,418 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 03.05 08:07:53" (1/1) ... [2023-05-03 20:07:53,419 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 03.05 08:07:53" (1/1) ... [2023-05-03 20:07:53,421 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 03.05 08:07:53" (1/1) ... [2023-05-03 20:07:53,423 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 03.05 08:07:53" (1/1) ... [2023-05-03 20:07:53,428 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 03.05 08:07:53" (1/1) ... [2023-05-03 20:07:53,431 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 03.05 08:07:53" (1/1) ... [2023-05-03 20:07:53,432 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 03.05 08:07:53" (1/1) ... [2023-05-03 20:07:53,432 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 03.05 08:07:53" (1/1) ... [2023-05-03 20:07:53,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-03 20:07:53,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-03 20:07:53,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-03 20:07:53,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-03 20:07:53,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:07:53" (1/1) ... [2023-05-03 20:07:53,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 20:07:53,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:07:53,470 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) [2023-05-03 20:07:53,481 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 [2023-05-03 20:07:53,512 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-03 20:07:53,512 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-03 20:07:53,512 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-03 20:07:53,512 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-03 20:07:53,512 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-03 20:07:53,513 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-03 20:07:53,513 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-03 20:07:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-03 20:07:53,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-03 20:07:53,514 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-03 20:07:53,514 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-03 20:07:53,515 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-03 20:07:53,516 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-03 20:07:53,562 INFO L235 CfgBuilder]: Building ICFG [2023-05-03 20:07:53,565 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-03 20:07:53,651 INFO L276 CfgBuilder]: Performing block encoding [2023-05-03 20:07:53,658 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-03 20:07:53,658 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-03 20:07:53,660 INFO L202 PluginConnector]: Adding new model dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 08:07:53 BoogieIcfgContainer [2023-05-03 20:07:53,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-03 20:07:53,662 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-03 20:07:53,663 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-03 20:07:53,668 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-03 20:07:53,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:07:53" (1/2) ... [2023-05-03 20:07:53,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11fe7a40 and model type dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 08:07:53, skipping insertion in model container [2023-05-03 20:07:53,669 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 03.05 08:07:53" (2/2) ... [2023-05-03 20:07:53,670 INFO L112 eAbstractionObserver]: Analyzing ICFG dot-product-alt.wvr.bpl [2023-05-03 20:07:53,677 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-03 20:07:53,701 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-03 20:07:53,702 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-03 20:07:53,702 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-03 20:07:53,739 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-03 20:07:53,775 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 20:07:53,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-03 20:07:53,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:07:53,785 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) [2023-05-03 20:07:53,786 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 [2023-05-03 20:07:53,820 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-03 20:07:53,835 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-03 20:07:53,841 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;@46d4f009, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 20:07:53,841 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-03 20:07:53,936 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)] === [2023-05-03 20:07:53,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:07:53,940 INFO L85 PathProgramCache]: Analyzing trace with hash -265529510, now seen corresponding path program 1 times [2023-05-03 20:07:53,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:07:53,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114317577] [2023-05-03 20:07:53,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:07:53,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:07:54,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:07:54,237 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-03 20:07:54,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:07:54,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114317577] [2023-05-03 20:07:54,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114317577] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-03 20:07:54,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-03 20:07:54,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-03 20:07:54,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796091948] [2023-05-03 20:07:54,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-03 20:07:54,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-03 20:07:54,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 20:07:54,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-03 20:07:54,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-05-03 20:07:54,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:07:54,275 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 20:07:54,276 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) [2023-05-03 20:07:54,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:07:54,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:07:54,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-03 20:07:54,365 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)] === [2023-05-03 20:07:54,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:07:54,366 INFO L85 PathProgramCache]: Analyzing trace with hash -711898287, now seen corresponding path program 1 times [2023-05-03 20:07:54,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:07:54,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506629307] [2023-05-03 20:07:54,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:07:54,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:07:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:07:54,559 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 20:07:54,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:07:54,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506629307] [2023-05-03 20:07:54,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506629307] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 20:07:54,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592222212] [2023-05-03 20:07:54,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:07:54,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:07:54,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:07:54,576 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) [2023-05-03 20:07:54,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-03 20:07:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:07:54,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2023-05-03 20:07:54,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 20:07:54,905 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 20:07:54,906 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 20:07:55,020 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 20:07:55,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1592222212] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 20:07:55,022 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 20:07:55,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2023-05-03 20:07:55,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633290286] [2023-05-03 20:07:55,023 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 20:07:55,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-05-03 20:07:55,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 20:07:55,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-05-03 20:07:55,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2023-05-03 20:07:55,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:07:55,028 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 20:07:55,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 14 states have internal predecessors, (49), 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) [2023-05-03 20:07:55,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:07:55,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:07:55,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:07:55,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-03 20:07:55,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-03 20:07:55,433 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 [2023-05-03 20:07:55,433 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)] === [2023-05-03 20:07:55,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:07:55,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1753047088, now seen corresponding path program 2 times [2023-05-03 20:07:55,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:07:55,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284105140] [2023-05-03 20:07:55,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:07:55,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:07:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:07:55,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 20:07:55,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:07:55,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284105140] [2023-05-03 20:07:55,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284105140] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 20:07:55,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766125978] [2023-05-03 20:07:55,986 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 20:07:55,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:07:55,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:07:55,988 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) [2023-05-03 20:07:56,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-03 20:07:56,026 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 20:07:56,026 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 20:07:56,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 16 conjunts are in the unsatisfiable core [2023-05-03 20:07:56,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 20:07:56,347 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-05-03 20:07:56,348 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 64 [2023-05-03 20:07:56,362 INFO L356 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2023-05-03 20:07:56,366 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 28 [2023-05-03 20:07:56,412 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 20:07:56,415 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 20:07:56,549 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 20:07:56,551 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 29 [2023-05-03 20:07:56,563 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 20:07:56,564 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24 [2023-05-03 20:07:56,576 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 20:07:56,577 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 20 [2023-05-03 20:07:56,627 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2023-05-03 20:07:56,635 INFO L356 Elim1Store]: treesize reduction 8, result has 33.3 percent of original size [2023-05-03 20:07:56,636 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 12 [2023-05-03 20:07:56,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 20:07:56,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766125978] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 20:07:56,707 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 20:07:56,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 17 [2023-05-03 20:07:56,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922105604] [2023-05-03 20:07:56,708 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 20:07:56,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-05-03 20:07:56,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 20:07:56,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-05-03 20:07:56,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2023-05-03 20:07:56,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:07:56,711 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 20:07:56,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 17 states have internal predecessors, (53), 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) [2023-05-03 20:07:56,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:07:56,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-03 20:07:56,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:07:57,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:07:57,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-03 20:07:57,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-03 20:07:57,341 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-05-03 20:07:57,533 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 [2023-05-03 20:07:57,533 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)] === [2023-05-03 20:07:57,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:07:57,534 INFO L85 PathProgramCache]: Analyzing trace with hash -506150508, now seen corresponding path program 1 times [2023-05-03 20:07:57,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:07:57,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765038769] [2023-05-03 20:07:57,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:07:57,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:07:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:07:57,610 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-03 20:07:57,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:07:57,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765038769] [2023-05-03 20:07:57,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765038769] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 20:07:57,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032806909] [2023-05-03 20:07:57,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:07:57,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:07:57,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:07:57,613 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) [2023-05-03 20:07:57,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-03 20:07:57,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:07:57,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-05-03 20:07:57,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 20:07:57,710 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-03 20:07:57,710 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 20:07:57,760 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-03 20:07:57,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2032806909] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 20:07:57,761 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 20:07:57,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2023-05-03 20:07:57,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795529167] [2023-05-03 20:07:57,761 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 20:07:57,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-03 20:07:57,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 20:07:57,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-03 20:07:57,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-05-03 20:07:57,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:07:57,765 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 20:07:57,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 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) [2023-05-03 20:07:57,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:07:57,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-03 20:07:57,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-03 20:07:57,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:07:57,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:07:57,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-03 20:07:57,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-03 20:07:57,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:07:58,002 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-03 20:07:58,193 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 [2023-05-03 20:07:58,193 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 20:07:58,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:07:58,194 INFO L85 PathProgramCache]: Analyzing trace with hash -655398383, now seen corresponding path program 2 times [2023-05-03 20:07:58,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:07:58,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584938790] [2023-05-03 20:07:58,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:07:58,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:07:58,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:07:58,309 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 20:07:58,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:07:58,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584938790] [2023-05-03 20:07:58,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584938790] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 20:07:58,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [472167045] [2023-05-03 20:07:58,310 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 20:07:58,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:07:58,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:07:58,311 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 20:07:58,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-03 20:07:58,354 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 20:07:58,354 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 20:07:58,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-03 20:07:58,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 20:07:58,459 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 20:07:58,459 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 20:07:58,591 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 20:07:58,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [472167045] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 20:07:58,591 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 20:07:58,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 18 [2023-05-03 20:07:58,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231171236] [2023-05-03 20:07:58,593 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 20:07:58,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-05-03 20:07:58,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 20:07:58,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-05-03 20:07:58,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2023-05-03 20:07:58,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:07:58,595 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 20:07:58,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.8333333333333335) internal successors, (69), 18 states have internal predecessors, (69), 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) [2023-05-03 20:07:58,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:07:58,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-03 20:07:58,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-03 20:07:58,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:07:58,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:07:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:07:59,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 20:07:59,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-03 20:07:59,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:07:59,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-03 20:07:59,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-03 20:07:59,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:07:59,269 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 20:07:59,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:07:59,271 INFO L85 PathProgramCache]: Analyzing trace with hash 2105479486, now seen corresponding path program 3 times [2023-05-03 20:07:59,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:07:59,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50226208] [2023-05-03 20:07:59,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:07:59,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:07:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:07:59,423 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 22 proven. 53 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 20:07:59,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:07:59,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50226208] [2023-05-03 20:07:59,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50226208] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 20:07:59,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136245629] [2023-05-03 20:07:59,423 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-03 20:07:59,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:07:59,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:07:59,425 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 20:07:59,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-03 20:07:59,479 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-05-03 20:07:59,479 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 20:07:59,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 13 conjunts are in the unsatisfiable core [2023-05-03 20:07:59,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 20:07:59,680 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 49 proven. 17 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-03 20:07:59,681 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 20:07:59,998 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 15 proven. 60 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 20:07:59,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136245629] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 20:07:59,999 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 20:07:59,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 14] total 30 [2023-05-03 20:07:59,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651916623] [2023-05-03 20:07:59,999 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 20:08:00,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-05-03 20:08:00,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 20:08:00,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-05-03 20:08:00,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=680, Unknown=0, NotChecked=0, Total=870 [2023-05-03 20:08:00,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:08:00,001 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 20:08:00,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 4.2) internal successors, (126), 30 states have internal predecessors, (126), 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) [2023-05-03 20:08:00,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:08:00,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 20:08:00,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-03 20:08:00,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:08:00,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-03 20:08:00,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:08:00,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:08:00,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 20:08:00,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-03 20:08:00,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-03 20:08:00,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-03 20:08:00,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-03 20:08:00,790 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-03 20:08:00,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:08:00,968 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 20:08:00,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:08:00,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1509177843, now seen corresponding path program 4 times [2023-05-03 20:08:00,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:08:00,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580282073] [2023-05-03 20:08:00,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:08:00,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:08:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:08:01,201 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 16 proven. 107 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 20:08:01,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:08:01,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580282073] [2023-05-03 20:08:01,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580282073] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 20:08:01,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662222669] [2023-05-03 20:08:01,202 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-03 20:08:01,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:08:01,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:08:01,203 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 20:08:01,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-03 20:08:01,243 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-03 20:08:01,244 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 20:08:01,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-03 20:08:01,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 20:08:01,466 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 16 proven. 107 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 20:08:01,466 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 20:08:01,840 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 10 proven. 116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 20:08:01,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [662222669] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 20:08:01,841 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 20:08:01,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 19] total 35 [2023-05-03 20:08:01,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211743148] [2023-05-03 20:08:01,841 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 20:08:01,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-05-03 20:08:01,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 20:08:01,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-05-03 20:08:01,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=995, Unknown=0, NotChecked=0, Total=1190 [2023-05-03 20:08:01,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:08:01,843 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 20:08:01,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 3.942857142857143) internal successors, (138), 35 states have internal predecessors, (138), 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) [2023-05-03 20:08:01,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:08:01,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 20:08:01,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-03 20:08:01,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-03 20:08:01,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-03 20:08:01,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-03 20:08:01,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:08:03,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:08:03,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 20:08:03,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-03 20:08:03,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-03 20:08:03,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-03 20:08:03,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-03 20:08:03,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-03 20:08:03,295 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-03 20:08:03,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:08:03,485 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 20:08:03,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:08:03,486 INFO L85 PathProgramCache]: Analyzing trace with hash 254192830, now seen corresponding path program 5 times [2023-05-03 20:08:03,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:08:03,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648879024] [2023-05-03 20:08:03,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:08:03,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:08:03,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:08:05,900 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 13 proven. 132 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 20:08:05,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:08:05,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648879024] [2023-05-03 20:08:05,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648879024] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 20:08:05,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616677308] [2023-05-03 20:08:05,901 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-03 20:08:05,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:08:05,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:08:05,905 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 20:08:05,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-03 20:08:05,960 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2023-05-03 20:08:05,960 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 20:08:05,962 WARN L261 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 74 conjunts are in the unsatisfiable core [2023-05-03 20:08:05,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 20:08:09,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:08:09,917 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:08:09,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:08:09,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:08:09,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:08:09,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:08:09,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:08:09,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:08:09,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:08:09,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:08:09,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:08:09,925 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:08:09,927 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 121 [2023-05-03 20:08:10,364 INFO L356 Elim1Store]: treesize reduction 272, result has 62.8 percent of original size [2023-05-03 20:08:10,365 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 121 treesize of output 481 [2023-05-03 20:08:10,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:08:10,403 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:08:10,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:08:10,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:08:10,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:08:10,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:08:10,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:08:10,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:08:10,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:08:10,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:08:10,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:08:10,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 20:08:10,410 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:08:10,412 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 536 treesize of output 420 [2023-05-03 20:08:11,182 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 20:08:11,182 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 20:08:16,379 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:08:16,380 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:08:16,380 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:08:16,381 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:08:16,382 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:08:16,385 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:08:16,386 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:08:16,390 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:08:16,393 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:08:16,397 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:08:16,398 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:08:16,399 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:08:16,399 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:08:16,791 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 20:08:16,791 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 57 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 63 case distinctions, treesize of input 202 treesize of output 759 [2023-05-03 20:08:16,942 INFO L244 Elim1Store]: Index analysis took 109 ms [2023-05-03 20:08:18,984 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 20:08:18,984 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 144 treesize of output 2213 [2023-05-03 20:08:19,306 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:08:19,308 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:08:19,308 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:08:19,309 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:08:19,311 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:08:19,313 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:08:19,316 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:08:19,322 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:08:19,327 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:08:19,333 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:08:19,335 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:08:19,336 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:08:19,336 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:08:20,475 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 20:08:20,476 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 57 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 63 case distinctions, treesize of input 2191 treesize of output 1935 Received shutdown request... [2023-05-03 20:21:41,344 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-03 20:21:41,346 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2023-05-03 20:21:41,361 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-05-03 20:21:41,374 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 [2023-05-03 20:21:41,374 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-03 20:21:41,387 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 [2023-05-03 20:21:41,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-05-03 20:21:41,547 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 67 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 27ms.. [2023-05-03 20:21:41,548 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-03 20:21:41,548 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-03 20:21:41,548 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-03 20:21:41,552 INFO L444 BasicCegarLoop]: Path program histogram: [5, 2, 1] [2023-05-03 20:21:41,556 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-03 20:21:41,556 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-03 20:21:41,558 INFO L202 PluginConnector]: Adding new model dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 08:21:41 BasicIcfg [2023-05-03 20:21:41,558 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-03 20:21:41,559 INFO L158 Benchmark]: Toolchain (without parser) took 828173.84ms. Allocated memory was 188.7MB in the beginning and 830.5MB in the end (delta: 641.7MB). Free memory was 146.0MB in the beginning and 485.2MB in the end (delta: -339.1MB). Peak memory consumption was 493.6MB. Max. memory is 8.0GB. [2023-05-03 20:21:41,559 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 188.7MB. Free memory is still 147.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-03 20:21:41,559 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.90ms. Allocated memory is still 188.7MB. Free memory was 146.0MB in the beginning and 144.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-03 20:21:41,560 INFO L158 Benchmark]: Boogie Preprocessor took 26.46ms. Allocated memory is still 188.7MB. Free memory was 144.5MB in the beginning and 143.4MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-03 20:21:41,560 INFO L158 Benchmark]: RCFGBuilder took 221.34ms. Allocated memory is still 188.7MB. Free memory was 143.2MB in the beginning and 134.0MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-05-03 20:21:41,560 INFO L158 Benchmark]: TraceAbstraction took 827895.93ms. Allocated memory was 188.7MB in the beginning and 830.5MB in the end (delta: 641.7MB). Free memory was 132.9MB in the beginning and 485.2MB in the end (delta: -352.3MB). Peak memory consumption was 481.0MB. Max. memory is 8.0GB. [2023-05-03 20:21:41,561 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 188.7MB. Free memory is still 147.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 23.90ms. Allocated memory is still 188.7MB. Free memory was 146.0MB in the beginning and 144.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.46ms. Allocated memory is still 188.7MB. Free memory was 144.5MB in the beginning and 143.4MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 221.34ms. Allocated memory is still 188.7MB. Free memory was 143.2MB in the beginning and 134.0MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 827895.93ms. Allocated memory was 188.7MB in the beginning and 830.5MB in the end (delta: 641.7MB). Free memory was 132.9MB in the beginning and 485.2MB in the end (delta: -352.3MB). Peak memory consumption was 481.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2761, independent: 2189, independent conditional: 1655, independent unconditional: 534, dependent: 572, dependent conditional: 572, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2189, independent: 2189, independent conditional: 1655, independent unconditional: 534, 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: 2189, independent: 2189, independent conditional: 1655, independent unconditional: 534, 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: 2189, independent: 2189, independent conditional: 0, independent unconditional: 2189, 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: 2189, independent: 2189, independent conditional: 0, independent unconditional: 2189, 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: 2189, independent: 2189, independent conditional: 0, independent unconditional: 2189, 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: 472, independent: 472, independent conditional: 0, independent unconditional: 472, 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: 472, independent: 468, independent conditional: 0, independent unconditional: 468, 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: 40, independent: 40, independent conditional: 0, independent unconditional: 40, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2189, independent: 1717, independent conditional: 0, independent unconditional: 1717, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 472, unknown conditional: 0, unknown unconditional: 472] , Statistics on independence cache: Total cache size (in pairs): 472, Positive cache size: 472, Positive conditional cache size: 0, Positive unconditional cache size: 472, 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: 572 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 108, Number of trivial persistent sets: 58, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 534, independent: 534, independent conditional: 0, independent unconditional: 534, 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: 2761, independent: 2189, independent conditional: 1655, independent unconditional: 534, dependent: 572, dependent conditional: 572, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2189, independent: 2189, independent conditional: 1655, independent unconditional: 534, 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: 2189, independent: 2189, independent conditional: 1655, independent unconditional: 534, 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: 2189, independent: 2189, independent conditional: 0, independent unconditional: 2189, 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: 2189, independent: 2189, independent conditional: 0, independent unconditional: 2189, 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: 2189, independent: 2189, independent conditional: 0, independent unconditional: 2189, 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: 472, independent: 472, independent conditional: 0, independent unconditional: 472, 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: 472, independent: 468, independent conditional: 0, independent unconditional: 468, 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: 40, independent: 40, independent conditional: 0, independent unconditional: 40, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2189, independent: 1717, independent conditional: 0, independent unconditional: 1717, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 472, unknown conditional: 0, unknown unconditional: 472] , Statistics on independence cache: Total cache size (in pairs): 472, Positive cache size: 472, Positive conditional cache size: 0, Positive unconditional cache size: 472, 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: 572 - TimeoutResultAtElement [Line: 61]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 67 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 27ms.. - 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 67 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 27ms.. - 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 67 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 27ms.. - 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 67 with TraceHistMax 8,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 27ms.. - 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: 827.7s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 3.9s, 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: 153, 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, 0.2s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 510 NumberOfCodeBlocks, 510 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 734 ConstructedInterpolants, 0 QuantifiedInterpolants, 5005 SizeOfPredicates, 46 NumberOfNonLiveVariables, 501 ConjunctsInSsa, 69 ConjunctsInUnsatCore, 19 InterpolantComputations, 1 PerfectInterpolantSequences, 219/779 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