/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 X --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 23:07:38,949 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-03 23:07:39,055 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-03 23:07:39,075 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-03 23:07:39,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-03 23:07:39,075 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-03 23:07:39,075 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-03 23:07:39,076 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-03 23:07:39,076 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-03 23:07:39,076 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-03 23:07:39,092 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-03 23:07:39,093 INFO L138 SettingsManager]: * Use SBE=true [2023-05-03 23:07:39,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-03 23:07:39,093 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-03 23:07:39,093 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-03 23:07:39,094 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-03 23:07:39,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-03 23:07:39,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-03 23:07:39,094 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-03 23:07:39,094 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-03 23:07:39,094 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-03 23:07:39,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-03 23:07:39,094 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-03 23:07:39,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-03 23:07:39,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-03 23:07:39,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-03 23:07:39,095 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-03 23:07:39,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-03 23:07:39,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 23:07:39,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-03 23:07:39,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-03 23:07:39,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-03 23:07:39,096 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-03 23:07:39,096 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-03 23:07:39,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-03 23:07:39,096 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-03 23:07:39,096 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-03 23:07:39,096 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-03 23:07:39,096 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-03 23:07:39,097 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-03 23:07:39,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-03 23:07:39,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-03 23:07:39,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-03 23:07:39,341 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-03 23:07:39,355 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-03 23:07:39,356 INFO L432 ainManager$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 23:07:39,356 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 23:07:39,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-03 23:07:39,376 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-03 23:07:39,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-03 23:07:39,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-03 23:07:39,386 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-03 23:07:39,400 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 11:07:39" (1/1) ... [2023-05-03 23:07:39,404 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 11:07:39" (1/1) ... [2023-05-03 23:07:39,413 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-03 23:07:39,414 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-03 23:07:39,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-03 23:07:39,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-03 23:07:39,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-03 23:07:39,428 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 11:07:39" (1/1) ... [2023-05-03 23:07:39,428 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 11:07:39" (1/1) ... [2023-05-03 23:07:39,429 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 11:07:39" (1/1) ... [2023-05-03 23:07:39,430 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 11:07:39" (1/1) ... [2023-05-03 23:07:39,433 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 11:07:39" (1/1) ... [2023-05-03 23:07:39,450 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 11:07:39" (1/1) ... [2023-05-03 23:07:39,451 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 11:07:39" (1/1) ... [2023-05-03 23:07:39,452 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 11:07:39" (1/1) ... [2023-05-03 23:07:39,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-03 23:07:39,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-03 23:07:39,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-03 23:07:39,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-03 23:07:39,472 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 11:07:39" (1/1) ... [2023-05-03 23:07:39,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 23:07:39,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 23:07:39,504 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 23:07:39,505 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 23:07:39,544 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-03 23:07:39,544 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-03 23:07:39,545 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-03 23:07:39,545 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-03 23:07:39,545 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-03 23:07:39,545 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-03 23:07:39,545 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-03 23:07:39,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-03 23:07:39,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-03 23:07:39,545 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-03 23:07:39,545 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-03 23:07:39,545 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-03 23:07:39,546 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 23:07:39,590 INFO L235 CfgBuilder]: Building ICFG [2023-05-03 23:07:39,591 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-03 23:07:39,687 INFO L276 CfgBuilder]: Performing block encoding [2023-05-03 23:07:39,703 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-03 23:07:39,703 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-03 23:07:39,704 INFO L202 PluginConnector]: Adding new model threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 11:07:39 BoogieIcfgContainer [2023-05-03 23:07:39,705 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-03 23:07:39,706 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-03 23:07:39,706 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-03 23:07:39,710 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-03 23:07:39,710 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 11:07:39" (1/2) ... [2023-05-03 23:07:39,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@388bd3fd and model type threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 11:07:39, skipping insertion in model container [2023-05-03 23:07:39,711 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 11:07:39" (2/2) ... [2023-05-03 23:07:39,712 INFO L112 eAbstractionObserver]: Analyzing ICFG threaded-sum-3.wvr.bpl [2023-05-03 23:07:39,717 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-03 23:07:39,722 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-03 23:07:39,723 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-03 23:07:39,723 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-03 23:07:39,763 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-03 23:07:39,790 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 23:07:39,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-03 23:07:39,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 23:07:39,792 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 23:07:39,798 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 23:07:39,831 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-03 23:07:39,862 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-03 23:07:39,900 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;@678d5c85, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 23:07:39,900 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-03 23:07:40,144 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 23:07:40,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 23:07:40,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1177291294, now seen corresponding path program 1 times [2023-05-03 23:07:40,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 23:07:40,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794173382] [2023-05-03 23:07:40,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 23:07:40,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 23:07:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 23:07:40,354 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 23:07:40,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 23:07:40,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794173382] [2023-05-03 23:07:40,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794173382] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-03 23:07:40,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-03 23:07:40,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-03 23:07:40,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73839593] [2023-05-03 23:07:40,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-03 23:07:40,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-03 23:07:40,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 23:07:40,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-03 23:07:40,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-03 23:07:40,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 23:07:40,389 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 23:07:40,392 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) [2023-05-03 23:07:40,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 23:07:40,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 23:07:40,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-03 23:07:40,515 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 23:07:40,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 23:07:40,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1810975839, now seen corresponding path program 2 times [2023-05-03 23:07:40,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 23:07:40,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578466863] [2023-05-03 23:07:40,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 23:07:40,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 23:07:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 23:07:40,615 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-05-03 23:07:40,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 23:07:40,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578466863] [2023-05-03 23:07:40,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578466863] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-03 23:07:40,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-03 23:07:40,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-03 23:07:40,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570868359] [2023-05-03 23:07:40,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-03 23:07:40,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-03 23:07:40,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 23:07:40,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-03 23:07:40,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-03 23:07:40,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 23:07:40,619 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 23:07:40,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 23:07:40,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 23:07:40,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 23:07:40,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 23:07:40,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 23:07:40,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-03 23:07:40,669 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 23:07:40,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 23:07:40,670 INFO L85 PathProgramCache]: Analyzing trace with hash -461383236, now seen corresponding path program 3 times [2023-05-03 23:07:40,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 23:07:40,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165502774] [2023-05-03 23:07:40,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 23:07:40,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 23:07:40,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 23:07:41,071 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-03 23:07:41,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 23:07:41,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165502774] [2023-05-03 23:07:41,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165502774] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 23:07:41,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36902854] [2023-05-03 23:07:41,073 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-03 23:07:41,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 23:07:41,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 23:07:41,090 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 23:07:41,108 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 23:07:41,132 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-05-03 23:07:41,132 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 23:07:41,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 13 conjunts are in the unsatisfiable core [2023-05-03 23:07:41,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 23:07:41,290 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-03 23:07:41,291 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 23:07:41,949 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 23:07:41,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36902854] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 23:07:41,949 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 23:07:41,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 14] total 20 [2023-05-03 23:07:41,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299016525] [2023-05-03 23:07:41,950 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 23:07:41,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-05-03 23:07:41,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 23:07:41,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-05-03 23:07:41,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=301, Unknown=0, NotChecked=0, Total=380 [2023-05-03 23:07:41,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 23:07:41,951 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 23:07:41,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.95) internal successors, (59), 20 states have internal predecessors, (59), 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 23:07:41,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 23:07:41,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 23:07:41,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 23:07:42,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 23:07:42,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 23:07:42,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 23:07:42,639 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-05-03 23:07:42,837 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 23:07:42,837 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 23:07:42,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 23:07:42,837 INFO L85 PathProgramCache]: Analyzing trace with hash -587623556, now seen corresponding path program 4 times [2023-05-03 23:07:42,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 23:07:42,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289177001] [2023-05-03 23:07:42,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 23:07:42,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 23:07:42,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 23:07:43,945 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 30 proven. 111 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-05-03 23:07:43,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 23:07:43,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289177001] [2023-05-03 23:07:43,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289177001] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 23:07:43,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139477433] [2023-05-03 23:07:43,946 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-03 23:07:43,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 23:07:43,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 23:07:43,947 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 23:07:43,982 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 23:07:43,990 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-03 23:07:43,990 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 23:07:43,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 31 conjunts are in the unsatisfiable core [2023-05-03 23:07:43,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 23:07:44,268 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 30 proven. 110 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-05-03 23:07:44,268 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 23:07:46,808 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 15 proven. 198 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 23:07:46,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139477433] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 23:07:46,808 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 23:07:46,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 30] total 39 [2023-05-03 23:07:46,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26917183] [2023-05-03 23:07:46,808 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 23:07:46,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-05-03 23:07:46,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 23:07:46,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-05-03 23:07:46,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=262, Invalid=1220, Unknown=0, NotChecked=0, Total=1482 [2023-05-03 23:07:46,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 23:07:46,810 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 23:07:46,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 2.8205128205128207) internal successors, (110), 39 states have internal predecessors, (110), 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 23:07:46,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 23:07:46,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 23:07:46,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 23:07:46,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 23:07:47,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 23:07:47,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 23:07:47,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 23:07:47,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-03 23:07:47,119 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 23:07:47,319 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 23:07:47,319 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 23:07:47,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 23:07:47,320 INFO L85 PathProgramCache]: Analyzing trace with hash -748698014, now seen corresponding path program 5 times [2023-05-03 23:07:47,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 23:07:47,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478244224] [2023-05-03 23:07:47,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 23:07:47,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 23:07:47,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 23:07:48,033 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 33 proven. 186 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-05-03 23:07:48,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 23:07:48,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478244224] [2023-05-03 23:07:48,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478244224] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 23:07:48,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936233310] [2023-05-03 23:07:48,033 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-03 23:07:48,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 23:07:48,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 23:07:48,049 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 23:07:48,115 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 23:07:48,161 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2023-05-03 23:07:48,161 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 23:07:48,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 35 conjunts are in the unsatisfiable core [2023-05-03 23:07:48,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 23:07:48,634 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 34 proven. 171 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-05-03 23:07:48,634 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 23:07:49,357 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 154 proven. 97 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 23:07:49,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [936233310] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 23:07:49,358 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 23:07:49,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 24] total 44 [2023-05-03 23:07:49,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872320155] [2023-05-03 23:07:49,358 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 23:07:49,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2023-05-03 23:07:49,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 23:07:49,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2023-05-03 23:07:49,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=545, Invalid=1347, Unknown=0, NotChecked=0, Total=1892 [2023-05-03 23:07:49,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 23:07:49,360 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 23:07:49,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 3.340909090909091) internal successors, (147), 44 states have internal predecessors, (147), 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 23:07:49,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 23:07:49,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 23:07:49,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 23:07:49,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-03 23:07:49,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 23:07:49,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 23:07:49,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 23:07:49,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 23:07:49,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-03 23:07:49,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-03 23:07:49,763 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-05-03 23:07:49,966 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 23:07:49,966 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 23:07:49,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 23:07:49,966 INFO L85 PathProgramCache]: Analyzing trace with hash -475844390, now seen corresponding path program 6 times [2023-05-03 23:07:49,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 23:07:49,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430427530] [2023-05-03 23:07:49,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 23:07:49,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 23:07:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 23:07:50,772 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 78 proven. 162 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-05-03 23:07:50,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 23:07:50,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430427530] [2023-05-03 23:07:50,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430427530] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 23:07:50,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1311561251] [2023-05-03 23:07:50,773 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-03 23:07:50,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 23:07:50,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 23:07:50,786 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 23:07:50,789 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 23:07:50,825 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2023-05-03 23:07:50,825 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 23:07:50,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 37 conjunts are in the unsatisfiable core [2023-05-03 23:07:50,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 23:07:51,345 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 81 proven. 115 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-05-03 23:07:51,345 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 23:07:52,198 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 146 proven. 147 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 23:07:52,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1311561251] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 23:07:52,198 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 23:07:52,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 15, 24] total 46 [2023-05-03 23:07:52,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322891267] [2023-05-03 23:07:52,199 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 23:07:52,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-05-03 23:07:52,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 23:07:52,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-05-03 23:07:52,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=609, Invalid=1461, Unknown=0, NotChecked=0, Total=2070 [2023-05-03 23:07:52,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 23:07:52,200 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 23:07:52,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 3.260869565217391) internal successors, (150), 46 states have internal predecessors, (150), 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 23:07:52,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 23:07:52,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 23:07:52,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 23:07:52,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-03 23:07:52,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-03 23:07:52,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 23:07:52,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 23:07:52,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 23:07:52,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 23:07:52,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-03 23:07:52,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-03 23:07:52,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-03 23:07:52,906 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 23:07:53,106 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 23:07:53,106 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 23:07:53,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 23:07:53,107 INFO L85 PathProgramCache]: Analyzing trace with hash 627718958, now seen corresponding path program 7 times [2023-05-03 23:07:53,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 23:07:53,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665452283] [2023-05-03 23:07:53,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 23:07:53,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 23:07:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 23:07:54,940 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 4 proven. 304 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-03 23:07:54,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 23:07:54,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665452283] [2023-05-03 23:07:54,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665452283] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 23:07:54,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278145070] [2023-05-03 23:07:54,941 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-03 23:07:54,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 23:07:54,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 23:07:54,942 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 23:07:54,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-03 23:07:54,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 23:07:54,978 WARN L261 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 63 conjunts are in the unsatisfiable core [2023-05-03 23:07:54,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 23:08:00,003 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 23:08:00,003 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 23:08:20,392 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 23:08:20,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278145070] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 23:08:20,392 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 23:08:20,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 49, 48] total 128 [2023-05-03 23:08:20,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672328971] [2023-05-03 23:08:20,393 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 23:08:20,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 129 states [2023-05-03 23:08:20,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 23:08:20,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2023-05-03 23:08:20,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2051, Invalid=14461, Unknown=0, NotChecked=0, Total=16512 [2023-05-03 23:08:20,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 23:08:20,398 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 23:08:20,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 129 states, 129 states have (on average 1.8294573643410852) internal successors, (236), 128 states have internal predecessors, (236), 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 23:08:20,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 23:08:20,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 23:08:20,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 23:08:20,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-03 23:08:20,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-03 23:08:20,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-03 23:08:20,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 23:09:26,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 23:09:26,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 23:09:26,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 23:09:26,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-03 23:09:26,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 23:09:26,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-03 23:09:26,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2023-05-03 23:09:26,636 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-03 23:09:26,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 23:09:26,836 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 23:09:26,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 23:09:26,836 INFO L85 PathProgramCache]: Analyzing trace with hash 2133831588, now seen corresponding path program 8 times [2023-05-03 23:09:26,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 23:09:26,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990569779] [2023-05-03 23:09:26,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 23:09:26,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 23:09:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 23:09:31,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1439 backedges. 489 proven. 753 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2023-05-03 23:09:31,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 23:09:31,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990569779] [2023-05-03 23:09:31,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990569779] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 23:09:31,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [816299130] [2023-05-03 23:09:31,570 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 23:09:31,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 23:09:31,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 23:09:31,585 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 23:09:31,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-03 23:09:31,661 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 23:09:31,661 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 23:09:31,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 84 conjunts are in the unsatisfiable core [2023-05-03 23:09:31,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 23:09:32,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1439 backedges. 257 proven. 865 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2023-05-03 23:09:32,671 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 23:09:41,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1439 backedges. 0 proven. 1439 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 23:09:41,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [816299130] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 23:09:41,233 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 23:09:41,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 20, 55] total 95 [2023-05-03 23:09:41,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790381788] [2023-05-03 23:09:41,234 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 23:09:41,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2023-05-03 23:09:41,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 23:09:41,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2023-05-03 23:09:41,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1984, Invalid=6946, Unknown=0, NotChecked=0, Total=8930 [2023-05-03 23:09:41,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 23:09:41,250 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 23:09:41,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 2.9263157894736844) internal successors, (278), 95 states have internal predecessors, (278), 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 23:09:41,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 23:09:41,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 23:09:41,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 23:09:41,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-03 23:09:41,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 23:09:41,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-03 23:09:41,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 226 states. [2023-05-03 23:09:41,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 23:09:45,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 23:09:45,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 23:09:45,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 23:09:45,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-03 23:09:45,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 23:09:45,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-03 23:09:45,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 228 states. [2023-05-03 23:09:45,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-03 23:09:45,171 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-03 23:09:45,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 23:09:45,355 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 23:09:45,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 23:09:45,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1475080532, now seen corresponding path program 9 times [2023-05-03 23:09:45,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 23:09:45,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554395750] [2023-05-03 23:09:45,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 23:09:45,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 23:09:45,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 23:09:49,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1834 backedges. 563 proven. 1107 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2023-05-03 23:09:49,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 23:09:49,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554395750] [2023-05-03 23:09:49,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554395750] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 23:09:49,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390007251] [2023-05-03 23:09:49,117 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-03 23:09:49,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 23:09:49,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 23:09:49,118 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 23:09:49,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-03 23:09:49,205 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 29 check-sat command(s) [2023-05-03 23:09:49,205 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 23:09:49,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 83 conjunts are in the unsatisfiable core [2023-05-03 23:09:49,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 23:09:50,775 INFO L134 CoverageAnalysis]: Checked inductivity of 1834 backedges. 682 proven. 858 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2023-05-03 23:09:50,775 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 23:09:56,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1834 backedges. 5 proven. 1825 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-03 23:09:56,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390007251] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 23:09:56,899 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 23:09:56,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 23, 59] total 104 [2023-05-03 23:09:56,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506796479] [2023-05-03 23:09:56,901 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 23:09:56,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 104 states [2023-05-03 23:09:56,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 23:09:56,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2023-05-03 23:09:56,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2268, Invalid=8444, Unknown=0, NotChecked=0, Total=10712 [2023-05-03 23:09:56,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 23:09:56,916 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 23:09:56,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 104 states, 104 states have (on average 3.0288461538461537) internal successors, (315), 104 states have internal predecessors, (315), 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 23:09:56,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 23:09:56,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 23:09:56,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 23:09:56,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-03 23:09:56,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 23:09:56,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-03 23:09:56,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 228 states. [2023-05-03 23:09:56,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2023-05-03 23:09:56,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 23:10:00,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 23:10:00,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 23:10:00,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 23:10:00,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-03 23:10:00,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 23:10:00,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-03 23:10:00,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 228 states. [2023-05-03 23:10:00,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-03 23:10:00,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-05-03 23:10:00,885 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-03 23:10:01,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-05-03 23:10:01,085 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 23:10:01,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 23:10:01,085 INFO L85 PathProgramCache]: Analyzing trace with hash -299362376, now seen corresponding path program 10 times [2023-05-03 23:10:01,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 23:10:01,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466215540] [2023-05-03 23:10:01,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 23:10:01,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 23:10:01,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 23:10:15,362 INFO L134 CoverageAnalysis]: Checked inductivity of 2527 backedges. 540 proven. 1759 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2023-05-03 23:10:15,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 23:10:15,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466215540] [2023-05-03 23:10:15,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466215540] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 23:10:15,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805046128] [2023-05-03 23:10:15,363 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-03 23:10:15,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 23:10:15,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 23:10:15,364 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 23:10:15,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-03 23:10:15,457 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-03 23:10:15,457 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 23:10:15,461 WARN L261 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 154 conjunts are in the unsatisfiable core [2023-05-03 23:10:15,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 23:11:43,672 INFO L134 CoverageAnalysis]: Checked inductivity of 2527 backedges. 0 proven. 2527 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 23:11:43,673 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 23:16:22,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2527 backedges. 0 proven. 2527 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 23:16:22,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805046128] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 23:16:22,886 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 23:16:22,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 115, 113] total 275 [2023-05-03 23:16:22,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126875518] [2023-05-03 23:16:22,886 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 23:16:22,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 276 states [2023-05-03 23:16:22,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 23:16:22,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 276 interpolants. [2023-05-03 23:16:22,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10578, Invalid=65322, Unknown=0, NotChecked=0, Total=75900 [2023-05-03 23:16:22,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 23:16:22,900 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 23:16:22,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 276 states, 276 states have (on average 1.855072463768116) internal successors, (512), 275 states have internal predecessors, (512), 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 23:16:22,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 23:16:22,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-03 23:16:22,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-05-03 23:16:22,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-03 23:16:22,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-03 23:16:22,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-03 23:16:22,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 228 states. [2023-05-03 23:16:22,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2023-05-03 23:16:22,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2023-05-03 23:16:22,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 23:20:05,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 23:20:05,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-03 23:20:05,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-05-03 23:20:05,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-03 23:20:05,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-03 23:20:05,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-03 23:20:05,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2023-05-03 23:20:05,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2023-05-03 23:20:05,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-05-03 23:20:05,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 242 states. [2023-05-03 23:20:05,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-03 23:20:06,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-05-03 23:20:06,145 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 23:20:06,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 23:20:06,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1181191077, now seen corresponding path program 11 times [2023-05-03 23:20:06,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 23:20:06,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249805084] [2023-05-03 23:20:06,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 23:20:06,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 23:20:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 23:20:23,212 INFO L134 CoverageAnalysis]: Checked inductivity of 4927 backedges. 951 proven. 3664 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-05-03 23:20:23,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 23:20:23,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249805084] [2023-05-03 23:20:23,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249805084] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 23:20:23,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174791224] [2023-05-03 23:20:23,213 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-03 23:20:23,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 23:20:23,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 23:20:23,214 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-03 23:20:23,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-03 23:20:23,455 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 41 check-sat command(s) [2023-05-03 23:20:23,455 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 23:20:23,459 WARN L261 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 205 conjunts are in the unsatisfiable core [2023-05-03 23:20:23,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2023-05-03 23:21:55,233 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 23:21:55,233 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 23:21:55,238 WARN L249 SmtUtils]: Removed 36 from assertion stack [2023-05-03 23:21:55,239 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2023-05-03 23:21:55,255 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-03 23:21:55,268 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-03 23:21:55,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-05-03 23:21:55,453 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 273 with TraceHistMax 47,while TraceCheckSpWp was constructing forward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 174 for 126ms.. [2023-05-03 23:21:55,454 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-03 23:21:55,454 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-03 23:21:55,455 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-03 23:21:55,473 INFO L444 BasicCegarLoop]: Path program histogram: [11] [2023-05-03 23:21:55,475 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-03 23:21:55,475 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-03 23:21:55,478 INFO L202 PluginConnector]: Adding new model threaded-sum-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 11:21:55 BasicIcfg [2023-05-03 23:21:55,478 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-03 23:21:55,479 INFO L158 Benchmark]: Toolchain (without parser) took 856102.51ms. Allocated memory was 182.5MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 136.9MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 979.1MB. Max. memory is 8.0GB. [2023-05-03 23:21:55,479 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 182.5MB. Free memory is still 138.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-03 23:21:55,480 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.44ms. Allocated memory is still 182.5MB. Free memory was 136.8MB in the beginning and 135.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-03 23:21:55,480 INFO L158 Benchmark]: Boogie Preprocessor took 40.50ms. Allocated memory is still 182.5MB. Free memory was 135.3MB in the beginning and 134.2MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-03 23:21:55,481 INFO L158 Benchmark]: RCFGBuilder took 234.71ms. Allocated memory is still 182.5MB. Free memory was 134.2MB in the beginning and 150.6MB in the end (delta: -16.5MB). Peak memory consumption was 13.2MB. Max. memory is 8.0GB. [2023-05-03 23:21:55,481 INFO L158 Benchmark]: TraceAbstraction took 855772.42ms. Allocated memory was 182.5MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 149.4MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 991.0MB. Max. memory is 8.0GB. [2023-05-03 23:21:55,481 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 0.11ms. Allocated memory is still 182.5MB. Free memory is still 138.0MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.44ms. Allocated memory is still 182.5MB. Free memory was 136.8MB in the beginning and 135.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 40.50ms. Allocated memory is still 182.5MB. Free memory was 135.3MB in the beginning and 134.2MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 234.71ms. Allocated memory is still 182.5MB. Free memory was 134.2MB in the beginning and 150.6MB in the end (delta: -16.5MB). Peak memory consumption was 13.2MB. Max. memory is 8.0GB. * TraceAbstraction took 855772.42ms. Allocated memory was 182.5MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 149.4MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 991.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11314, independent: 8840, independent conditional: 8431, independent unconditional: 409, dependent: 2474, dependent conditional: 2460, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9300, independent: 8840, independent conditional: 8431, independent unconditional: 409, dependent: 460, dependent conditional: 446, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9300, independent: 8840, independent conditional: 8431, independent unconditional: 409, dependent: 460, dependent conditional: 446, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13946, independent: 8840, independent conditional: 1375, independent unconditional: 7465, dependent: 5106, dependent conditional: 3271, dependent unconditional: 1835, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13946, independent: 8840, independent conditional: 1375, independent unconditional: 7465, dependent: 5106, dependent conditional: 2983, dependent unconditional: 2123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13946, independent: 8840, independent conditional: 1375, independent unconditional: 7465, dependent: 5106, dependent conditional: 2983, dependent unconditional: 2123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1228, independent: 803, independent conditional: 430, independent unconditional: 373, dependent: 425, dependent conditional: 411, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1228, independent: 361, independent conditional: 0, independent unconditional: 361, dependent: 867, dependent conditional: 0, dependent unconditional: 867, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 867, independent: 442, independent conditional: 430, independent unconditional: 12, dependent: 425, dependent conditional: 411, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 867, independent: 442, independent conditional: 430, independent unconditional: 12, dependent: 425, dependent conditional: 411, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2110, independent: 1000, independent conditional: 959, independent unconditional: 41, dependent: 1111, dependent conditional: 977, dependent unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 13946, independent: 8037, independent conditional: 945, independent unconditional: 7092, dependent: 4681, dependent conditional: 2572, dependent unconditional: 2109, unknown: 1228, unknown conditional: 841, unknown unconditional: 387] , Statistics on independence cache: Total cache size (in pairs): 1228, Positive cache size: 803, Positive conditional cache size: 430, Positive unconditional cache size: 373, Negative cache size: 425, Negative conditional cache size: 411, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 288, Maximal queried relation: 9, Independence queries for same thread: 2014 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 124, Number of trivial persistent sets: 80, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 423, independent: 409, independent conditional: 0, independent unconditional: 409, 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: 11314, independent: 8840, independent conditional: 8431, independent unconditional: 409, dependent: 2474, dependent conditional: 2460, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9300, independent: 8840, independent conditional: 8431, independent unconditional: 409, dependent: 460, dependent conditional: 446, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9300, independent: 8840, independent conditional: 8431, independent unconditional: 409, dependent: 460, dependent conditional: 446, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13946, independent: 8840, independent conditional: 1375, independent unconditional: 7465, dependent: 5106, dependent conditional: 3271, dependent unconditional: 1835, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13946, independent: 8840, independent conditional: 1375, independent unconditional: 7465, dependent: 5106, dependent conditional: 2983, dependent unconditional: 2123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13946, independent: 8840, independent conditional: 1375, independent unconditional: 7465, dependent: 5106, dependent conditional: 2983, dependent unconditional: 2123, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1228, independent: 803, independent conditional: 430, independent unconditional: 373, dependent: 425, dependent conditional: 411, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1228, independent: 361, independent conditional: 0, independent unconditional: 361, dependent: 867, dependent conditional: 0, dependent unconditional: 867, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 867, independent: 442, independent conditional: 430, independent unconditional: 12, dependent: 425, dependent conditional: 411, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 867, independent: 442, independent conditional: 430, independent unconditional: 12, dependent: 425, dependent conditional: 411, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2110, independent: 1000, independent conditional: 959, independent unconditional: 41, dependent: 1111, dependent conditional: 977, dependent unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 13946, independent: 8037, independent conditional: 945, independent unconditional: 7092, dependent: 4681, dependent conditional: 2572, dependent unconditional: 2109, unknown: 1228, unknown conditional: 841, unknown unconditional: 387] , Statistics on independence cache: Total cache size (in pairs): 1228, Positive cache size: 803, Positive conditional cache size: 430, Positive unconditional cache size: 373, Negative cache size: 425, Negative conditional cache size: 411, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 288, Maximal queried relation: 9, Independence queries for same thread: 2014 - TimeoutResultAtElement [Line: 78]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 273 with TraceHistMax 47,while TraceCheckSpWp was constructing forward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 174 for 126ms.. - 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 273 with TraceHistMax 47,while TraceCheckSpWp was constructing forward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 174 for 126ms.. - 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 273 with TraceHistMax 47,while TraceCheckSpWp was constructing forward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 174 for 126ms.. - 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 273 with TraceHistMax 47,while TraceCheckSpWp was constructing forward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 174 for 126ms.. - 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: 855.7s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 11, EmptinessCheckTime: 299.6s, 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: 737, 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: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 443.8s InterpolantComputationTime, 1887 NumberOfCodeBlocks, 1887 NumberOfCodeBlocksAsserted, 72 NumberOfCheckSat, 2761 ConstructedInterpolants, 0 QuantifiedInterpolants, 262837 SizeOfPredicates, 72 NumberOfNonLiveVariables, 1264 ConjunctsInSsa, 500 ConjunctsInUnsatCore, 26 InterpolantComputations, 2 PerfectInterpolantSequences, 4849/20778 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