/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 GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/threaded-sum-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-03 18:18:38,738 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-03 18:18:38,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-03 18:18:38,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-03 18:18:38,818 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-03 18:18:38,819 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-03 18:18:38,838 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-03 18:18:38,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-03 18:18:38,838 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-03 18:18:38,838 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-03 18:18:38,839 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-03 18:18:38,839 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-03 18:18:38,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-03 18:18:38,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-03 18:18:38,840 INFO L138 SettingsManager]: * Use SBE=true [2023-05-03 18:18:38,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-03 18:18:38,840 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-03 18:18:38,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-03 18:18:38,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-03 18:18:38,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-03 18:18:38,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-03 18:18:38,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-03 18:18:38,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-03 18:18:38,841 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-03 18:18:38,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-03 18:18:38,841 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-03 18:18:38,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-03 18:18:38,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-03 18:18:38,841 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-03 18:18:38,841 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-03 18:18:38,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-03 18:18:38,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 18:18:38,842 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-03 18:18:38,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-03 18:18:38,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-03 18:18:38,842 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-03 18:18:38,842 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-03 18:18:38,842 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-03 18:18:38,843 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-03 18:18:38,843 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-03 18:18:38,843 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-03 18:18:38,843 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-03 18:18:38,843 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-03 18:18:39,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-03 18:18:39,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-03 18:18:39,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-03 18:18:39,101 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-03 18:18:39,102 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-03 18:18:39,103 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/threaded-sum-3.wvr.bpl [2023-05-03 18:18:39,104 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/threaded-sum-3.wvr.bpl' [2023-05-03 18:18:39,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-03 18:18:39,122 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-03 18:18:39,124 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-03 18:18:39,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-03 18:18:39,124 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-03 18:18:39,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:18:39" (1/1) ... [2023-05-03 18:18:39,141 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:18:39" (1/1) ... [2023-05-03 18:18:39,145 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-03 18:18:39,146 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-03 18:18:39,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-03 18:18:39,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-03 18:18:39,147 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-03 18:18:39,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:18:39" (1/1) ... [2023-05-03 18:18:39,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:18:39" (1/1) ... [2023-05-03 18:18:39,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:18:39" (1/1) ... [2023-05-03 18:18:39,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:18:39" (1/1) ... [2023-05-03 18:18:39,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:18:39" (1/1) ... [2023-05-03 18:18:39,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:18:39" (1/1) ... [2023-05-03 18:18:39,165 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:18:39" (1/1) ... [2023-05-03 18:18:39,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:18:39" (1/1) ... [2023-05-03 18:18:39,170 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-03 18:18:39,171 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-03 18:18:39,171 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-03 18:18:39,171 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-03 18:18:39,172 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:18:39" (1/1) ... [2023-05-03 18:18:39,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 18:18:39,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:18:39,204 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 18:18:39,205 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 18:18:39,237 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-03 18:18:39,238 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-03 18:18:39,238 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-03 18:18:39,238 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-03 18:18:39,238 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-03 18:18:39,238 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-03 18:18:39,238 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-03 18:18:39,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-03 18:18:39,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-03 18:18:39,238 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-03 18:18:39,238 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-03 18:18:39,239 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-03 18:18:39,239 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 18:18:39,275 INFO L235 CfgBuilder]: Building ICFG [2023-05-03 18:18:39,276 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-03 18:18:39,359 INFO L276 CfgBuilder]: Performing block encoding [2023-05-03 18:18:39,386 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-03 18:18:39,386 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-03 18:18:39,388 INFO L202 PluginConnector]: Adding new model threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 06:18:39 BoogieIcfgContainer [2023-05-03 18:18:39,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-03 18:18:39,391 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-03 18:18:39,391 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-03 18:18:39,394 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-03 18:18:39,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 06:18:39" (1/2) ... [2023-05-03 18:18:39,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@533fc35d and model type threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 06:18:39, skipping insertion in model container [2023-05-03 18:18:39,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 06:18:39" (2/2) ... [2023-05-03 18:18:39,396 INFO L112 eAbstractionObserver]: Analyzing ICFG threaded-sum-3.wvr.bpl [2023-05-03 18:18:39,403 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-03 18:18:39,411 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-03 18:18:39,411 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-03 18:18:39,411 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-03 18:18:39,455 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-03 18:18:39,496 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 18:18:39,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-03 18:18:39,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:18:39,526 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 18:18:39,573 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 18:18:39,609 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-03 18:18:39,638 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-03 18:18:39,650 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;@32baa905, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 18:18:39,651 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-03 18:18:39,823 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 18:18:39,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:18:39,828 INFO L85 PathProgramCache]: Analyzing trace with hash 62240224, now seen corresponding path program 1 times [2023-05-03 18:18:39,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:18:39,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843208438] [2023-05-03 18:18:39,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:18:39,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:18:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:18:40,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-03 18:18:40,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:18:40,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843208438] [2023-05-03 18:18:40,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843208438] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-03 18:18:40,084 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-03 18:18:40,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-03 18:18:40,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060816278] [2023-05-03 18:18:40,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-03 18:18:40,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-03 18:18:40,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:18:40,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-03 18:18:40,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-03 18:18:40,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:18:40,128 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:18:40,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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 18:18:40,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:18:40,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:18:40,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-03 18:18:40,378 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 18:18:40,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:18:40,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1300334208, now seen corresponding path program 1 times [2023-05-03 18:18:40,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:18:40,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922723842] [2023-05-03 18:18:40,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:18:40,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:18:40,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:18:40,494 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-05-03 18:18:40,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:18:40,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922723842] [2023-05-03 18:18:40,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922723842] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-03 18:18:40,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-03 18:18:40,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-03 18:18:40,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520747854] [2023-05-03 18:18:40,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-03 18:18:40,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-03 18:18:40,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:18:40,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-03 18:18:40,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-05-03 18:18:40,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:18:40,499 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:18:40,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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 18:18:40,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:18:40,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:18:40,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:18:40,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:18:40,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-03 18:18:40,567 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 18:18:40,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:18:40,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1245435554, now seen corresponding path program 2 times [2023-05-03 18:18:40,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:18:40,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127513208] [2023-05-03 18:18:40,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:18:40,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:18:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:18:41,002 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-03 18:18:41,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:18:41,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127513208] [2023-05-03 18:18:41,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127513208] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:18:41,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454677700] [2023-05-03 18:18:41,003 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 18:18:41,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:18:41,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:18:41,009 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 18:18:41,040 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 18:18:41,065 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 18:18:41,065 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:18:41,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-03 18:18:41,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:18:41,387 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 18:18:41,387 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:18:42,139 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:18:42,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454677700] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:18:42,140 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:18:42,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 11] total 22 [2023-05-03 18:18:42,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099023405] [2023-05-03 18:18:42,140 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:18:42,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-05-03 18:18:42,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:18:42,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-05-03 18:18:42,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=335, Unknown=0, NotChecked=0, Total=462 [2023-05-03 18:18:42,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:18:42,144 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:18:42,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.409090909090909) internal successors, (75), 22 states have internal predecessors, (75), 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 18:18:42,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:18:42,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:18:42,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:18:42,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:18:42,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:18:42,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:18:42,664 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 18:18:42,861 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,SelfDestructingSolverStorable2 [2023-05-03 18:18:42,861 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 18:18:42,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:18:42,862 INFO L85 PathProgramCache]: Analyzing trace with hash -963673800, now seen corresponding path program 3 times [2023-05-03 18:18:42,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:18:42,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043046300] [2023-05-03 18:18:42,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:18:42,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:18:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:18:43,944 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 90 proven. 79 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-03 18:18:43,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:18:43,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043046300] [2023-05-03 18:18:43,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043046300] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:18:43,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933215150] [2023-05-03 18:18:43,945 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-03 18:18:43,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:18:43,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:18:43,946 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 18:18:43,967 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 18:18:44,004 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2023-05-03 18:18:44,005 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:18:44,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 34 conjunts are in the unsatisfiable core [2023-05-03 18:18:44,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:18:45,046 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 31 proven. 132 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-03 18:18:45,046 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:18:45,896 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 85 proven. 89 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-03 18:18:45,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [933215150] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:18:45,897 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:18:45,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 24, 21] total 65 [2023-05-03 18:18:45,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914286811] [2023-05-03 18:18:45,897 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:18:45,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2023-05-03 18:18:45,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:18:45,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2023-05-03 18:18:45,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1120, Invalid=3040, Unknown=0, NotChecked=0, Total=4160 [2023-05-03 18:18:45,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:18:45,901 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:18:45,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 2.292307692307692) internal successors, (149), 65 states have internal predecessors, (149), 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 18:18:45,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:18:45,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:18:45,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:18:45,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:18:47,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:18:47,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:18:47,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:18:47,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-03 18:18:47,652 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-03 18:18:47,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:18:47,841 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 18:18:47,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:18:47,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1349384550, now seen corresponding path program 4 times [2023-05-03 18:18:47,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:18:47,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971590147] [2023-05-03 18:18:47,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:18:47,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:18:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:18:49,959 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 166 proven. 309 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-05-03 18:18:49,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:18:49,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971590147] [2023-05-03 18:18:49,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971590147] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:18:49,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1800076173] [2023-05-03 18:18:49,960 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-03 18:18:49,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:18:49,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:18:49,961 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 18:18:49,986 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 18:18:50,020 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-03 18:18:50,021 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:18:50,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 54 conjunts are in the unsatisfiable core [2023-05-03 18:18:50,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:18:50,903 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 175 proven. 293 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-03 18:18:50,904 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 18:18:57,570 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 8 proven. 478 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:18:57,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1800076173] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 18:18:57,571 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 18:18:57,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 31, 41] total 90 [2023-05-03 18:18:57,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542177683] [2023-05-03 18:18:57,571 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 18:18:57,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2023-05-03 18:18:57,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 18:18:57,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2023-05-03 18:18:57,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1888, Invalid=6122, Unknown=0, NotChecked=0, Total=8010 [2023-05-03 18:18:57,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:18:57,576 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 18:18:57,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 2.2222222222222223) internal successors, (200), 90 states have internal predecessors, (200), 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 18:18:57,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:18:57,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:18:57,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:18:57,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-03 18:18:57,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 18:18:59,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:18:59,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-03 18:18:59,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 18:18:59,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-03 18:18:59,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-03 18:18:59,984 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 18:19:00,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:19:00,169 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 18:19:00,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 18:19:00,170 INFO L85 PathProgramCache]: Analyzing trace with hash -6226300, now seen corresponding path program 5 times [2023-05-03 18:19:00,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 18:19:00,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973861069] [2023-05-03 18:19:00,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 18:19:00,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 18:19:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 18:19:06,136 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 100 proven. 868 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-03 18:19:06,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 18:19:06,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973861069] [2023-05-03 18:19:06,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973861069] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 18:19:06,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774489306] [2023-05-03 18:19:06,137 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-03 18:19:06,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:19:06,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 18:19:06,138 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 18:19:06,138 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 18:19:06,208 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 31 check-sat command(s) [2023-05-03 18:19:06,208 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 18:19:06,210 WARN L261 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 90 conjunts are in the unsatisfiable core [2023-05-03 18:19:06,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 18:19:14,404 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 0 proven. 975 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 18:19:14,404 INFO L328 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2023-05-03 18:32:39,563 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-03 18:32:39,565 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2023-05-03 18:32:39,581 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 18:32:39,590 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 18:32:39,591 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 [2023-05-03 18:32:39,591 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 18:32:39,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 18:32:39,766 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 116 with TraceHistMax 23,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 24ms.. [2023-05-03 18:32:39,768 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-03 18:32:39,768 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-03 18:32:39,768 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-03 18:32:39,773 INFO L444 BasicCegarLoop]: Path program histogram: [5, 1] [2023-05-03 18:32:39,778 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-03 18:32:39,778 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-03 18:32:39,780 INFO L202 PluginConnector]: Adding new model threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 06:32:39 BasicIcfg [2023-05-03 18:32:39,781 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-03 18:32:39,781 INFO L158 Benchmark]: Toolchain (without parser) took 840658.69ms. Allocated memory was 183.5MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 143.4MB in the beginning and 505.3MB in the end (delta: -361.9MB). Peak memory consumption was 762.4MB. Max. memory is 8.0GB. [2023-05-03 18:32:39,781 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 183.5MB. Free memory is still 144.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-03 18:32:39,782 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.52ms. Allocated memory is still 183.5MB. Free memory was 143.4MB in the beginning and 142.0MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-03 18:32:39,782 INFO L158 Benchmark]: Boogie Preprocessor took 23.15ms. Allocated memory is still 183.5MB. Free memory was 142.0MB in the beginning and 140.8MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-03 18:32:39,782 INFO L158 Benchmark]: RCFGBuilder took 217.01ms. Allocated memory is still 183.5MB. Free memory was 140.8MB in the beginning and 129.6MB in the end (delta: 11.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-05-03 18:32:39,783 INFO L158 Benchmark]: TraceAbstraction took 840390.06ms. Allocated memory was 183.5MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 128.6MB in the beginning and 505.3MB in the end (delta: -376.8MB). Peak memory consumption was 747.7MB. Max. memory is 8.0GB. [2023-05-03 18:32:39,784 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 183.5MB. Free memory is still 144.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 22.52ms. Allocated memory is still 183.5MB. Free memory was 143.4MB in the beginning and 142.0MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.15ms. Allocated memory is still 183.5MB. Free memory was 142.0MB in the beginning and 140.8MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 217.01ms. Allocated memory is still 183.5MB. Free memory was 140.8MB in the beginning and 129.6MB in the end (delta: 11.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 840390.06ms. Allocated memory was 183.5MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 128.6MB in the beginning and 505.3MB in the end (delta: -376.8MB). Peak memory consumption was 747.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1854, independent: 1401, independent conditional: 1061, independent unconditional: 340, dependent: 453, dependent conditional: 439, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1455, independent: 1401, independent conditional: 1061, independent unconditional: 340, dependent: 54, dependent conditional: 40, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1455, independent: 1401, independent conditional: 1061, independent unconditional: 340, dependent: 54, dependent conditional: 40, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1692, independent: 1401, independent conditional: 143, independent unconditional: 1258, dependent: 291, dependent conditional: 94, dependent unconditional: 197, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1692, independent: 1401, independent conditional: 143, independent unconditional: 1258, dependent: 291, dependent conditional: 59, dependent unconditional: 232, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1692, independent: 1401, independent conditional: 143, independent unconditional: 1258, dependent: 291, dependent conditional: 59, dependent unconditional: 232, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 442, independent: 404, independent conditional: 83, independent unconditional: 321, dependent: 38, dependent conditional: 24, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 442, independent: 309, independent conditional: 0, independent unconditional: 309, dependent: 133, dependent conditional: 0, dependent unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 133, independent: 95, independent conditional: 83, independent unconditional: 12, dependent: 38, dependent conditional: 24, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 133, independent: 95, independent conditional: 83, independent unconditional: 12, dependent: 38, dependent conditional: 24, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 495, independent: 281, independent conditional: 223, independent unconditional: 59, dependent: 214, dependent conditional: 83, dependent unconditional: 131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1692, independent: 997, independent conditional: 60, independent unconditional: 937, dependent: 253, dependent conditional: 35, dependent unconditional: 218, unknown: 442, unknown conditional: 107, unknown unconditional: 335] , Statistics on independence cache: Total cache size (in pairs): 442, Positive cache size: 404, Positive conditional cache size: 83, Positive unconditional cache size: 321, Negative cache size: 38, Negative conditional cache size: 24, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 35, Maximal queried relation: 5, Independence queries for same thread: 399 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 67, Number of trivial persistent sets: 47, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 354, independent: 340, independent conditional: 0, independent unconditional: 340, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1854, independent: 1401, independent conditional: 1061, independent unconditional: 340, dependent: 453, dependent conditional: 439, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1455, independent: 1401, independent conditional: 1061, independent unconditional: 340, dependent: 54, dependent conditional: 40, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1455, independent: 1401, independent conditional: 1061, independent unconditional: 340, dependent: 54, dependent conditional: 40, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1692, independent: 1401, independent conditional: 143, independent unconditional: 1258, dependent: 291, dependent conditional: 94, dependent unconditional: 197, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1692, independent: 1401, independent conditional: 143, independent unconditional: 1258, dependent: 291, dependent conditional: 59, dependent unconditional: 232, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1692, independent: 1401, independent conditional: 143, independent unconditional: 1258, dependent: 291, dependent conditional: 59, dependent unconditional: 232, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 442, independent: 404, independent conditional: 83, independent unconditional: 321, dependent: 38, dependent conditional: 24, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 442, independent: 309, independent conditional: 0, independent unconditional: 309, dependent: 133, dependent conditional: 0, dependent unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 133, independent: 95, independent conditional: 83, independent unconditional: 12, dependent: 38, dependent conditional: 24, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 133, independent: 95, independent conditional: 83, independent unconditional: 12, dependent: 38, dependent conditional: 24, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 495, independent: 281, independent conditional: 223, independent unconditional: 59, dependent: 214, dependent conditional: 83, dependent unconditional: 131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1692, independent: 997, independent conditional: 60, independent unconditional: 937, dependent: 253, dependent conditional: 35, dependent unconditional: 218, unknown: 442, unknown conditional: 107, unknown unconditional: 335] , Statistics on independence cache: Total cache size (in pairs): 442, Positive cache size: 404, Positive conditional cache size: 83, Positive unconditional cache size: 321, Negative cache size: 38, Negative conditional cache size: 24, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 35, Maximal queried relation: 5, Independence queries for same thread: 399 - TimeoutResultAtElement [Line: 78]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 116 with TraceHistMax 23,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 24ms.. - TimeoutResultAtElement [Line: 71]: 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 116 with TraceHistMax 23,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 24ms.. - TimeoutResultAtElement [Line: 72]: 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 116 with TraceHistMax 23,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 24ms.. - TimeoutResultAtElement [Line: 71]: 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 116 with TraceHistMax 23,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 24ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 47 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 840.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 5.1s, 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: 120, 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, 14.3s InterpolantComputationTime, 446 NumberOfCodeBlocks, 446 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 626 ConstructedInterpolants, 0 QuantifiedInterpolants, 10316 SizeOfPredicates, 25 NumberOfNonLiveVariables, 284 ConjunctsInSsa, 102 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 671/2093 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