/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-more/inc-subseq.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-19 16:10:57,707 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-19 16:10:57,783 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-19 16:10:57,805 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-19 16:10:57,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-19 16:10:57,806 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-19 16:10:57,806 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-19 16:10:57,806 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-19 16:10:57,807 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-19 16:10:57,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-19 16:10:57,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-19 16:10:57,807 INFO L138 SettingsManager]: * Use SBE=true [2023-05-19 16:10:57,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-19 16:10:57,808 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-19 16:10:57,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-19 16:10:57,808 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-19 16:10:57,808 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-19 16:10:57,808 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-19 16:10:57,808 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-19 16:10:57,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-19 16:10:57,809 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-19 16:10:57,809 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-19 16:10:57,809 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-19 16:10:57,809 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-19 16:10:57,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-19 16:10:57,809 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-19 16:10:57,809 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-19 16:10:57,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-19 16:10:57,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 16:10:57,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-19 16:10:57,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-19 16:10:57,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-19 16:10:57,810 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-19 16:10:57,810 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-19 16:10:57,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-19 16:10:57,810 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-19 16:10:57,810 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-19 16:10:57,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-19 16:10:57,811 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-19 16:10:57,811 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-19 16:10:58,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-19 16:10:58,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-19 16:10:58,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-19 16:10:58,044 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-19 16:10:58,044 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-19 16:10:58,045 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/inc-subseq.wvr.bpl [2023-05-19 16:10:58,045 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/inc-subseq.wvr.bpl' [2023-05-19 16:10:58,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-19 16:10:58,074 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-19 16:10:58,075 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-19 16:10:58,075 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-19 16:10:58,076 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-19 16:10:58,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 04:10:58" (1/1) ... [2023-05-19 16:10:58,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 04:10:58" (1/1) ... [2023-05-19 16:10:58,092 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-19 16:10:58,093 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-19 16:10:58,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-19 16:10:58,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-19 16:10:58,095 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-19 16:10:58,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 04:10:58" (1/1) ... [2023-05-19 16:10:58,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 04:10:58" (1/1) ... [2023-05-19 16:10:58,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 04:10:58" (1/1) ... [2023-05-19 16:10:58,103 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 04:10:58" (1/1) ... [2023-05-19 16:10:58,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 04:10:58" (1/1) ... [2023-05-19 16:10:58,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 04:10:58" (1/1) ... [2023-05-19 16:10:58,108 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 04:10:58" (1/1) ... [2023-05-19 16:10:58,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 04:10:58" (1/1) ... [2023-05-19 16:10:58,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-19 16:10:58,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-19 16:10:58,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-19 16:10:58,111 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-19 16:10:58,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 04:10:58" (1/1) ... [2023-05-19 16:10:58,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 16:10:58,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 16:10:58,162 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-19 16:10:58,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-19 16:10:58,250 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-19 16:10:58,250 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-19 16:10:58,250 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-19 16:10:58,250 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-19 16:10:58,250 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-19 16:10:58,250 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-19 16:10:58,251 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-19 16:10:58,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-19 16:10:58,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-19 16:10:58,252 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-19 16:10:58,287 INFO L235 CfgBuilder]: Building ICFG [2023-05-19 16:10:58,289 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-19 16:10:58,446 INFO L276 CfgBuilder]: Performing block encoding [2023-05-19 16:10:58,456 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-19 16:10:58,456 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-19 16:10:58,458 INFO L202 PluginConnector]: Adding new model inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 04:10:58 BoogieIcfgContainer [2023-05-19 16:10:58,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-19 16:10:58,471 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-19 16:10:58,472 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-19 16:10:58,483 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-19 16:10:58,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 04:10:58" (1/2) ... [2023-05-19 16:10:58,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7609946a and model type inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.05 04:10:58, skipping insertion in model container [2023-05-19 16:10:58,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 04:10:58" (2/2) ... [2023-05-19 16:10:58,485 INFO L112 eAbstractionObserver]: Analyzing ICFG inc-subseq.wvr.bpl [2023-05-19 16:10:58,497 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-19 16:10:58,503 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-19 16:10:58,503 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-19 16:10:58,503 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-19 16:10:58,534 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-19 16:10:58,561 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 16:10:58,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-19 16:10:58,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 16:10:58,563 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-19 16:10:58,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-19 16:10:58,620 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-19 16:10:58,630 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-19 16:10:58,634 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;@4c1167ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 16:10:58,634 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-19 16:10:58,795 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 16:10:58,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 16:10:58,798 INFO L85 PathProgramCache]: Analyzing trace with hash -163188679, now seen corresponding path program 1 times [2023-05-19 16:10:58,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 16:10:58,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973492793] [2023-05-19 16:10:58,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 16:10:58,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 16:10:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 16:10:59,685 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 16:10:59,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 16:10:59,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973492793] [2023-05-19 16:10:59,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973492793] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 16:10:59,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1967906325] [2023-05-19 16:10:59,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 16:10:59,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 16:10:59,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 16:10:59,690 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 16:10:59,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-19 16:10:59,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 16:10:59,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 23 conjunts are in the unsatisfiable core [2023-05-19 16:10:59,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 16:11:00,066 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 16:11:00,066 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 29 treesize of output 27 [2023-05-19 16:11:00,185 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 16:11:00,185 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 22 treesize of output 10 [2023-05-19 16:11:00,195 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 16:11:00,195 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 16:11:00,452 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 16:11:00,453 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 35 treesize of output 57 [2023-05-19 16:11:00,524 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2023-05-19 16:11:00,555 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 16:11:00,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1967906325] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 16:11:00,555 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 16:11:00,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 14, 13] total 30 [2023-05-19 16:11:00,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712733471] [2023-05-19 16:11:00,558 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 16:11:00,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-05-19 16:11:00,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 16:11:00,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-05-19 16:11:00,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=787, Unknown=0, NotChecked=0, Total=930 [2023-05-19 16:11:00,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 16:11:00,579 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 16:11:00,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 2.0) internal successors, (62), 30 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 16:11:00,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 16:11:00,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-19 16:11:00,934 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-19 16:11:01,131 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,SelfDestructingSolverStorable0 [2023-05-19 16:11:01,132 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 16:11:01,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 16:11:01,132 INFO L85 PathProgramCache]: Analyzing trace with hash 2068767859, now seen corresponding path program 2 times [2023-05-19 16:11:01,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 16:11:01,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054292674] [2023-05-19 16:11:01,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 16:11:01,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 16:11:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 16:11:01,200 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-19 16:11:01,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 16:11:01,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054292674] [2023-05-19 16:11:01,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054292674] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 16:11:01,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312680687] [2023-05-19 16:11:01,201 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 16:11:01,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 16:11:01,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 16:11:01,202 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 16:11:01,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-19 16:11:01,249 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 16:11:01,249 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 16:11:01,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-19 16:11:01,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 16:11:01,279 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 26 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-19 16:11:01,279 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 16:11:01,317 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 26 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-19 16:11:01,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312680687] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 16:11:01,317 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 16:11:01,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 6 [2023-05-19 16:11:01,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775861997] [2023-05-19 16:11:01,317 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 16:11:01,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-19 16:11:01,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 16:11:01,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-19 16:11:01,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2023-05-19 16:11:01,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 16:11:01,319 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 16:11:01,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 16:11:01,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-19 16:11:01,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 16:11:01,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-19 16:11:01,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 16:11:01,411 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-19 16:11:01,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 16:11:01,609 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 16:11:01,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 16:11:01,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1296992113, now seen corresponding path program 1 times [2023-05-19 16:11:01,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 16:11:01,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189169976] [2023-05-19 16:11:01,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 16:11:01,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 16:11:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 16:11:02,725 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 1 proven. 108 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-19 16:11:02,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 16:11:02,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189169976] [2023-05-19 16:11:02,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189169976] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 16:11:02,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1333635877] [2023-05-19 16:11:02,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 16:11:02,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 16:11:02,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 16:11:02,727 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 16:11:02,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-19 16:11:02,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 16:11:02,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 59 conjunts are in the unsatisfiable core [2023-05-19 16:11:02,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 16:11:04,323 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 16:11:04,323 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 74 treesize of output 128 [2023-05-19 16:11:04,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 16:11:04,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 16:11:04,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 16:11:04,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 16:11:04,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 16:11:04,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 16:11:04,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 16:11:04,648 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 16:11:04,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 16:11:04,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 16:11:04,650 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-19 16:11:04,651 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 19 [2023-05-19 16:11:04,688 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 19 proven. 95 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 16:11:04,688 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 16:11:06,645 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 16:11:06,646 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 106 treesize of output 296 [2023-05-19 16:11:09,356 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2023-05-19 16:11:09,412 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 7 proven. 107 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 16:11:09,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1333635877] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 16:11:09,412 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 16:11:09,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 31] total 82 [2023-05-19 16:11:09,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240280549] [2023-05-19 16:11:09,413 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 16:11:09,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2023-05-19 16:11:09,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 16:11:09,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2023-05-19 16:11:09,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=665, Invalid=6141, Unknown=0, NotChecked=0, Total=6806 [2023-05-19 16:11:09,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 16:11:09,415 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 16:11:09,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 83 states have (on average 1.7590361445783131) internal successors, (146), 82 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 16:11:09,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-19 16:11:09,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 16:11:09,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 16:11:10,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-19 16:11:10,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 16:11:10,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-19 16:11:10,647 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-19 16:11:10,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 16:11:10,847 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 16:11:10,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 16:11:10,847 INFO L85 PathProgramCache]: Analyzing trace with hash 814861648, now seen corresponding path program 2 times [2023-05-19 16:11:10,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 16:11:10,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975817081] [2023-05-19 16:11:10,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 16:11:10,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 16:11:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 16:11:10,870 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-05-19 16:11:10,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 16:11:10,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975817081] [2023-05-19 16:11:10,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975817081] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 16:11:10,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 16:11:10,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-19 16:11:10,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842539048] [2023-05-19 16:11:10,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 16:11:10,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-19 16:11:10,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 16:11:10,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-19 16:11:10,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-19 16:11:10,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 16:11:10,871 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 16:11:10,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 16:11:10,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-19 16:11:10,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 16:11:10,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-19 16:11:10,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 16:11:10,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-19 16:11:10,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 16:11:10,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-19 16:11:10,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-19 16:11:10,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-19 16:11:10,912 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-19 16:11:10,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 16:11:10,912 INFO L85 PathProgramCache]: Analyzing trace with hash 988430864, now seen corresponding path program 3 times [2023-05-19 16:11:10,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 16:11:10,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038306294] [2023-05-19 16:11:10,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 16:11:10,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 16:11:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 16:11:12,147 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 3 proven. 178 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-05-19 16:11:12,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 16:11:12,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038306294] [2023-05-19 16:11:12,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038306294] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 16:11:12,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [230002507] [2023-05-19 16:11:12,148 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 16:11:12,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 16:11:12,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 16:11:12,150 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) [2023-05-19 16:11:12,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-19 16:11:12,191 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2023-05-19 16:11:12,191 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 16:11:12,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 71 conjunts are in the unsatisfiable core [2023-05-19 16:11:12,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 16:11:25,033 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 16:11:25,034 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 0 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 210 case distinctions, treesize of input 398 treesize of output 1954 [2023-05-19 16:14:41,054 WARN L233 SmtUtils]: Spent 10.93s on a formula simplification that was a NOOP. DAG size: 62 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-19 16:14:53,833 WARN L233 SmtUtils]: Spent 12.73s on a formula simplification that was a NOOP. DAG size: 1006 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-05-19 16:14:53,834 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-19 16:14:53,834 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 15 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 420 case distinctions, treesize of input 337 treesize of output 3619 Received shutdown request... [2023-05-19 16:25:29,100 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-19 16:25:29,100 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-19 16:25:29,100 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-19 16:25:29,129 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-19 16:25:29,132 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2023-05-19 16:25:29,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-19 16:25:29,341 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 [2023-05-19 16:25:29,341 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 78 with TraceHistMax 9,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 36ms.. [2023-05-19 16:25:29,342 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-19 16:25:29,342 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-19 16:25:29,345 INFO L444 BasicCegarLoop]: Path program histogram: [3, 2] [2023-05-19 16:25:29,347 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-19 16:25:29,347 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-19 16:25:29,358 INFO L202 PluginConnector]: Adding new model inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.05 04:25:29 BasicIcfg [2023-05-19 16:25:29,360 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-19 16:25:29,360 INFO L158 Benchmark]: Toolchain (without parser) took 871286.16ms. Allocated memory was 154.1MB in the beginning and 1.0GB in the end (delta: 864.0MB). Free memory was 113.9MB in the beginning and 638.0MB in the end (delta: -524.1MB). Peak memory consumption was 615.8MB. Max. memory is 8.0GB. [2023-05-19 16:25:29,360 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 154.1MB. Free memory is still 115.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-19 16:25:29,361 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.23ms. Allocated memory is still 154.1MB. Free memory was 113.9MB in the beginning and 112.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-19 16:25:29,361 INFO L158 Benchmark]: Boogie Preprocessor took 15.00ms. Allocated memory is still 154.1MB. Free memory was 112.3MB in the beginning and 111.2MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-19 16:25:29,361 INFO L158 Benchmark]: RCFGBuilder took 359.05ms. Allocated memory is still 154.1MB. Free memory was 111.2MB in the beginning and 132.1MB in the end (delta: -20.8MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-05-19 16:25:29,361 INFO L158 Benchmark]: TraceAbstraction took 870888.30ms. Allocated memory was 154.1MB in the beginning and 1.0GB in the end (delta: 864.0MB). Free memory was 131.0MB in the beginning and 638.0MB in the end (delta: -506.9MB). Peak memory consumption was 633.6MB. Max. memory is 8.0GB. [2023-05-19 16:25:29,362 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 0.10ms. Allocated memory is still 154.1MB. Free memory is still 115.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 18.23ms. Allocated memory is still 154.1MB. Free memory was 113.9MB in the beginning and 112.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.00ms. Allocated memory is still 154.1MB. Free memory was 112.3MB in the beginning and 111.2MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 359.05ms. Allocated memory is still 154.1MB. Free memory was 111.2MB in the beginning and 132.1MB in the end (delta: -20.8MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 870888.30ms. Allocated memory was 154.1MB in the beginning and 1.0GB in the end (delta: 864.0MB). Free memory was 131.0MB in the beginning and 638.0MB in the end (delta: -506.9MB). Peak memory consumption was 633.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1077, independent: 740, independent conditional: 474, independent unconditional: 266, dependent: 337, dependent conditional: 332, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 767, independent: 740, independent conditional: 474, independent unconditional: 266, dependent: 27, dependent conditional: 22, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 767, independent: 740, independent conditional: 474, independent unconditional: 266, dependent: 27, dependent conditional: 22, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 817, independent: 740, independent conditional: 6, independent unconditional: 734, dependent: 77, dependent conditional: 44, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 817, independent: 740, independent conditional: 6, independent unconditional: 734, dependent: 77, dependent conditional: 38, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 817, independent: 740, independent conditional: 6, independent unconditional: 734, dependent: 77, dependent conditional: 38, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 241, independent: 223, independent conditional: 4, independent unconditional: 219, dependent: 18, dependent conditional: 13, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 241, independent: 214, independent conditional: 0, independent unconditional: 214, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 27, independent: 9, independent conditional: 4, independent unconditional: 5, dependent: 18, dependent conditional: 13, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, independent: 9, independent conditional: 4, independent unconditional: 5, dependent: 18, dependent conditional: 13, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 154, independent: 76, independent conditional: 12, independent unconditional: 64, dependent: 78, dependent conditional: 33, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 817, independent: 517, independent conditional: 2, independent unconditional: 515, dependent: 59, dependent conditional: 25, dependent unconditional: 34, unknown: 241, unknown conditional: 17, unknown unconditional: 224] , Statistics on independence cache: Total cache size (in pairs): 241, Positive cache size: 223, Positive conditional cache size: 4, Positive unconditional cache size: 219, Negative cache size: 18, Negative conditional cache size: 13, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6, Maximal queried relation: 4, Independence queries for same thread: 310 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 57, Number of trivial persistent sets: 42, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 271, independent: 266, independent conditional: 0, independent unconditional: 266, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1077, independent: 740, independent conditional: 474, independent unconditional: 266, dependent: 337, dependent conditional: 332, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 767, independent: 740, independent conditional: 474, independent unconditional: 266, dependent: 27, dependent conditional: 22, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 767, independent: 740, independent conditional: 474, independent unconditional: 266, dependent: 27, dependent conditional: 22, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 817, independent: 740, independent conditional: 6, independent unconditional: 734, dependent: 77, dependent conditional: 44, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 817, independent: 740, independent conditional: 6, independent unconditional: 734, dependent: 77, dependent conditional: 38, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 817, independent: 740, independent conditional: 6, independent unconditional: 734, dependent: 77, dependent conditional: 38, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 241, independent: 223, independent conditional: 4, independent unconditional: 219, dependent: 18, dependent conditional: 13, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 241, independent: 214, independent conditional: 0, independent unconditional: 214, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 27, independent: 9, independent conditional: 4, independent unconditional: 5, dependent: 18, dependent conditional: 13, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, independent: 9, independent conditional: 4, independent unconditional: 5, dependent: 18, dependent conditional: 13, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 154, independent: 76, independent conditional: 12, independent unconditional: 64, dependent: 78, dependent conditional: 33, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 817, independent: 517, independent conditional: 2, independent unconditional: 515, dependent: 59, dependent conditional: 25, dependent unconditional: 34, unknown: 241, unknown conditional: 17, unknown unconditional: 224] , Statistics on independence cache: Total cache size (in pairs): 241, Positive cache size: 223, Positive conditional cache size: 4, Positive unconditional cache size: 219, Negative cache size: 18, Negative conditional cache size: 13, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6, Maximal queried relation: 4, Independence queries for same thread: 310 - TimeoutResultAtElement [Line: 62]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 78 with TraceHistMax 9,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 36ms.. - TimeoutResultAtElement [Line: 57]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 78 with TraceHistMax 9,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 36ms.. - TimeoutResultAtElement [Line: 57]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 78 with TraceHistMax 9,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 36ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 41 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 870.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 1.8s, 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: 73, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 9.5s InterpolantComputationTime, 345 NumberOfCodeBlocks, 345 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 469 ConstructedInterpolants, 84 QuantifiedInterpolants, 7707 SizeOfPredicates, 51 NumberOfNonLiveVariables, 283 ConjunctsInSsa, 88 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 342/705 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