/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-more/sum-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-03 23:46:23,886 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-03 23:46:23,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-03 23:46:23,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-03 23:46:23,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-03 23:46:23,978 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-03 23:46:24,008 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-03 23:46:24,008 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-03 23:46:24,010 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-03 23:46:24,010 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-03 23:46:24,011 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-03 23:46:24,011 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-03 23:46:24,011 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-03 23:46:24,011 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-03 23:46:24,011 INFO L138 SettingsManager]: * Use SBE=true [2023-05-03 23:46:24,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-03 23:46:24,012 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-03 23:46:24,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-03 23:46:24,013 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-03 23:46:24,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-03 23:46:24,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-03 23:46:24,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-03 23:46:24,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-03 23:46:24,014 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-03 23:46:24,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-03 23:46:24,014 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-03 23:46:24,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-03 23:46:24,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-03 23:46:24,014 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-03 23:46:24,015 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-03 23:46:24,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-03 23:46:24,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 23:46:24,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-03 23:46:24,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-03 23:46:24,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-03 23:46:24,016 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-03 23:46:24,016 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-03 23:46:24,016 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-03 23:46:24,016 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-03 23:46:24,016 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-03 23:46:24,016 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-03 23:46:24,017 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-03 23:46:24,017 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-03 23:46:24,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-03 23:46:24,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-03 23:46:24,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-03 23:46:24,267 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-03 23:46:24,268 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-03 23:46:24,269 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun.wvr.bpl [2023-05-03 23:46:24,270 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun.wvr.bpl' [2023-05-03 23:46:24,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-03 23:46:24,292 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-03 23:46:24,293 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-03 23:46:24,293 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-03 23:46:24,294 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-03 23:46:24,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 11:46:24" (1/1) ... [2023-05-03 23:46:24,311 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 11:46:24" (1/1) ... [2023-05-03 23:46:24,317 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-03 23:46:24,318 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-03 23:46:24,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-03 23:46:24,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-03 23:46:24,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-03 23:46:24,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 11:46:24" (1/1) ... [2023-05-03 23:46:24,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 11:46:24" (1/1) ... [2023-05-03 23:46:24,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 11:46:24" (1/1) ... [2023-05-03 23:46:24,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 11:46:24" (1/1) ... [2023-05-03 23:46:24,334 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 11:46:24" (1/1) ... [2023-05-03 23:46:24,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 11:46:24" (1/1) ... [2023-05-03 23:46:24,337 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 11:46:24" (1/1) ... [2023-05-03 23:46:24,338 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 11:46:24" (1/1) ... [2023-05-03 23:46:24,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-03 23:46:24,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-03 23:46:24,340 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-03 23:46:24,340 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-03 23:46:24,341 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 11:46:24" (1/1) ... [2023-05-03 23:46:24,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 23:46:24,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 23:46:24,371 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 23:46:24,389 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 23:46:24,411 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-03 23:46:24,412 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-03 23:46:24,412 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-03 23:46:24,412 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-03 23:46:24,412 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-03 23:46:24,412 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-03 23:46:24,413 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-03 23:46:24,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-03 23:46:24,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-03 23:46:24,413 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-03 23:46:24,414 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-03 23:46:24,414 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-03 23:46:24,415 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 23:46:24,461 INFO L235 CfgBuilder]: Building ICFG [2023-05-03 23:46:24,463 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-03 23:46:24,553 INFO L276 CfgBuilder]: Performing block encoding [2023-05-03 23:46:24,568 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-03 23:46:24,568 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-03 23:46:24,570 INFO L202 PluginConnector]: Adding new model sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 11:46:24 BoogieIcfgContainer [2023-05-03 23:46:24,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-03 23:46:24,572 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-03 23:46:24,573 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-03 23:46:24,575 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-03 23:46:24,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 11:46:24" (1/2) ... [2023-05-03 23:46:24,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d1df8ed and model type sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 11:46:24, skipping insertion in model container [2023-05-03 23:46:24,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 11:46:24" (2/2) ... [2023-05-03 23:46:24,578 INFO L112 eAbstractionObserver]: Analyzing ICFG sum-fun.wvr.bpl [2023-05-03 23:46:24,585 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-03 23:46:24,593 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-03 23:46:24,593 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-03 23:46:24,593 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-03 23:46:24,643 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-03 23:46:24,726 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 23:46:24,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-03 23:46:24,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 23:46:24,729 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 23:46:24,733 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 23:46:24,787 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-03 23:46:24,805 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-03 23:46:24,818 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;@22baaee3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 23:46:24,819 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-03 23:46:24,980 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 23:46:24,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 23:46:24,987 INFO L85 PathProgramCache]: Analyzing trace with hash -367529594, now seen corresponding path program 1 times [2023-05-03 23:46:24,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 23:46:24,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265384712] [2023-05-03 23:46:24,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 23:46:24,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 23:46:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 23:46:25,525 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 23:46:25,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 23:46:25,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265384712] [2023-05-03 23:46:25,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265384712] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 23:46:25,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567385516] [2023-05-03 23:46:25,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 23:46:25,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 23:46:25,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 23:46:25,528 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 23:46:25,530 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 23:46:25,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 23:46:25,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-03 23:46:25,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 23:46:25,780 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 23:46:25,780 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 23:46:25,932 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-03 23:46:25,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1567385516] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 23:46:25,933 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 23:46:25,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 7] total 18 [2023-05-03 23:46:25,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062486304] [2023-05-03 23:46:25,936 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 23:46:25,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-05-03 23:46:25,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 23:46:25,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-05-03 23:46:25,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2023-05-03 23:46:25,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 23:46:25,964 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 23:46:25,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.5) internal successors, (63), 18 states have internal predecessors, (63), 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 23:46:25,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 23:46:26,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-03 23:46:26,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-03 23:46:26,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-05-03 23:46:26,777 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 23:46:26,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 23:46:26,778 INFO L85 PathProgramCache]: Analyzing trace with hash -966873324, now seen corresponding path program 2 times [2023-05-03 23:46:26,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 23:46:26,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846102863] [2023-05-03 23:46:26,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 23:46:26,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 23:46:26,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 23:46:26,975 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 23:46:26,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 23:46:26,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846102863] [2023-05-03 23:46:26,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846102863] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 23:46:26,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1918678121] [2023-05-03 23:46:26,976 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 23:46:26,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 23:46:26,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 23:46:26,978 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 23:46:27,002 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 23:46:27,035 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 23:46:27,035 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 23:46:27,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2023-05-03 23:46:27,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 23:46:27,230 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-03 23:46:27,231 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 23:46:27,404 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 23:46:27,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1918678121] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 23:46:27,406 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 23:46:27,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 12] total 23 [2023-05-03 23:46:27,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095275269] [2023-05-03 23:46:27,407 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 23:46:27,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-05-03 23:46:27,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 23:46:27,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-05-03 23:46:27,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=385, Unknown=0, NotChecked=0, Total=506 [2023-05-03 23:46:27,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 23:46:27,413 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 23:46:27,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.130434782608696) internal successors, (72), 23 states have internal predecessors, (72), 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 23:46:27,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-03 23:46:27,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 23:46:28,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-03 23:46:28,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-03 23:46:28,162 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-05-03 23:46:28,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 23:46:28,342 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 23:46:28,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 23:46:28,343 INFO L85 PathProgramCache]: Analyzing trace with hash 190350578, now seen corresponding path program 3 times [2023-05-03 23:46:28,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 23:46:28,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795944435] [2023-05-03 23:46:28,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 23:46:28,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 23:46:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 23:46:28,725 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 30 proven. 87 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-03 23:46:28,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 23:46:28,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795944435] [2023-05-03 23:46:28,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795944435] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 23:46:28,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1474470574] [2023-05-03 23:46:28,733 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-03 23:46:28,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 23:46:28,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 23:46:28,737 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 23:46:28,746 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 23:46:28,790 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2023-05-03 23:46:28,791 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 23:46:28,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-03 23:46:28,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 23:46:29,045 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 76 proven. 37 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-03 23:46:29,045 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 23:46:29,502 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 8 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 23:46:29,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1474470574] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 23:46:29,503 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 23:46:29,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 19] total 39 [2023-05-03 23:46:29,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352285613] [2023-05-03 23:46:29,503 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 23:46:29,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-05-03 23:46:29,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 23:46:29,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-05-03 23:46:29,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=1176, Unknown=0, NotChecked=0, Total=1482 [2023-05-03 23:46:29,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 23:46:29,505 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 23:46:29,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 3.3076923076923075) internal successors, (129), 39 states have internal predecessors, (129), 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 23:46:29,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-03 23:46:29,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-03 23:46:29,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 23:46:30,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-03 23:46:30,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-05-03 23:46:30,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-03 23:46:30,891 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 23:46:31,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 23:46:31,072 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 23:46:31,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 23:46:31,073 INFO L85 PathProgramCache]: Analyzing trace with hash -2035276922, now seen corresponding path program 4 times [2023-05-03 23:46:31,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 23:46:31,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216170078] [2023-05-03 23:46:31,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 23:46:31,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 23:46:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 23:46:31,490 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 67 proven. 154 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-03 23:46:31,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 23:46:31,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216170078] [2023-05-03 23:46:31,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216170078] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 23:46:31,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1423889621] [2023-05-03 23:46:31,490 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-03 23:46:31,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 23:46:31,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 23:46:31,493 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 23:46:31,518 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 23:46:31,545 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-03 23:46:31,545 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 23:46:31,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 28 conjunts are in the unsatisfiable core [2023-05-03 23:46:31,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 23:46:31,914 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 84 proven. 135 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-03 23:46:31,915 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 23:46:32,552 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 84 proven. 143 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 23:46:32,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1423889621] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 23:46:32,552 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 23:46:32,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 29] total 53 [2023-05-03 23:46:32,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689617274] [2023-05-03 23:46:32,553 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 23:46:32,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2023-05-03 23:46:32,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 23:46:32,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2023-05-03 23:46:32,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=666, Invalid=2090, Unknown=0, NotChecked=0, Total=2756 [2023-05-03 23:46:32,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 23:46:32,556 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 23:46:32,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 2.7169811320754715) internal successors, (144), 53 states have internal predecessors, (144), 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 23:46:32,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-03 23:46:32,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-05-03 23:46:32,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-03 23:46:32,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 23:46:34,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-03 23:46:34,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-03 23:46:34,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-03 23:46:34,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-05-03 23:46:34,966 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-05-03 23:46:35,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 23:46:35,152 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 23:46:35,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 23:46:35,153 INFO L85 PathProgramCache]: Analyzing trace with hash -523496808, now seen corresponding path program 5 times [2023-05-03 23:46:35,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 23:46:35,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700464913] [2023-05-03 23:46:35,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 23:46:35,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 23:46:35,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 23:46:36,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 423 proven. 709 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-05-03 23:46:36,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 23:46:36,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700464913] [2023-05-03 23:46:36,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700464913] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 23:46:36,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540560447] [2023-05-03 23:46:36,502 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-03 23:46:36,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 23:46:36,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 23:46:36,505 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 23:46:36,534 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 23:46:36,598 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2023-05-03 23:46:36,598 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 23:46:36,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 55 conjunts are in the unsatisfiable core [2023-05-03 23:46:36,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 23:46:37,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 441 proven. 689 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-03 23:46:37,514 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 23:46:39,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 102 proven. 1052 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 23:46:39,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540560447] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 23:46:39,361 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 23:46:39,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31, 56] total 107 [2023-05-03 23:46:39,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764844835] [2023-05-03 23:46:39,362 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 23:46:39,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2023-05-03 23:46:39,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 23:46:39,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2023-05-03 23:46:39,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1921, Invalid=9421, Unknown=0, NotChecked=0, Total=11342 [2023-05-03 23:46:39,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 23:46:39,367 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 23:46:39,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 107 states have (on average 2.682242990654206) internal successors, (287), 107 states have internal predecessors, (287), 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 23:46:39,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-03 23:46:39,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-05-03 23:46:39,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-03 23:46:39,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-05-03 23:46:39,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 23:46:46,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-03 23:46:46,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-03 23:46:46,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-03 23:46:46,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2023-05-03 23:46:46,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2023-05-03 23:46:46,773 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 23:46:46,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 23:46:46,966 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 23:46:46,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 23:46:46,966 INFO L85 PathProgramCache]: Analyzing trace with hash -552994008, now seen corresponding path program 6 times [2023-05-03 23:46:46,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 23:46:46,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978410938] [2023-05-03 23:46:46,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 23:46:46,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 23:46:47,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 23:46:48,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1766 backedges. 913 proven. 829 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-03 23:46:48,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 23:46:48,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978410938] [2023-05-03 23:46:48,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978410938] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 23:46:48,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [699963344] [2023-05-03 23:46:48,836 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-03 23:46:48,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 23:46:48,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 23:46:48,837 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 23:46:48,839 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 23:46:48,937 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2023-05-03 23:46:48,937 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 23:46:48,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 73 conjunts are in the unsatisfiable core [2023-05-03 23:46:48,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 23:46:50,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1766 backedges. 975 proven. 765 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-05-03 23:46:50,377 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 23:46:53,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1766 backedges. 858 proven. 908 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 23:46:53,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [699963344] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 23:46:53,023 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 23:46:53,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 48, 74] total 143 [2023-05-03 23:46:53,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682326112] [2023-05-03 23:46:53,024 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 23:46:53,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 143 states [2023-05-03 23:46:53,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 23:46:53,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 143 interpolants. [2023-05-03 23:46:53,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5373, Invalid=14933, Unknown=0, NotChecked=0, Total=20306 [2023-05-03 23:46:53,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 23:46:53,031 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 23:46:53,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 143 states, 143 states have (on average 2.5174825174825175) internal successors, (360), 143 states have internal predecessors, (360), 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 23:46:53,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-03 23:46:53,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-05-03 23:46:53,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-03 23:46:53,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2023-05-03 23:46:53,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2023-05-03 23:46:53,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 23:47:04,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-03 23:47:04,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-03 23:47:04,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-03 23:47:04,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2023-05-03 23:47:04,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2023-05-03 23:47:04,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 272 states. [2023-05-03 23:47:04,198 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 23:47:04,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 23:47:04,383 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 23:47:04,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 23:47:04,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1809226454, now seen corresponding path program 7 times [2023-05-03 23:47:04,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 23:47:04,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97946709] [2023-05-03 23:47:04,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 23:47:04,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 23:47:04,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 23:47:09,771 INFO L134 CoverageAnalysis]: Checked inductivity of 9893 backedges. 4410 proven. 5407 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-05-03 23:47:09,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 23:47:09,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97946709] [2023-05-03 23:47:09,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97946709] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 23:47:09,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1618577493] [2023-05-03 23:47:09,772 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-03 23:47:09,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 23:47:09,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 23:47:09,774 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 23:47:09,776 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 23:47:09,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 23:47:09,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 803 conjuncts, 154 conjunts are in the unsatisfiable core [2023-05-03 23:47:09,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 23:47:13,660 INFO L134 CoverageAnalysis]: Checked inductivity of 9893 backedges. 4473 proven. 5342 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-05-03 23:47:13,660 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 23:47:23,948 INFO L134 CoverageAnalysis]: Checked inductivity of 9893 backedges. 912 proven. 8981 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 23:47:23,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1618577493] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 23:47:23,948 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 23:47:23,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [77, 76, 155] total 287 [2023-05-03 23:47:23,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080870015] [2023-05-03 23:47:23,949 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 23:47:23,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 287 states [2023-05-03 23:47:23,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 23:47:23,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 287 interpolants. [2023-05-03 23:47:23,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13720, Invalid=68362, Unknown=0, NotChecked=0, Total=82082 [2023-05-03 23:47:23,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 23:47:23,961 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 23:47:23,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 287 states, 287 states have (on average 2.6306620209059233) internal successors, (755), 287 states have internal predecessors, (755), 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 23:47:23,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-03 23:47:23,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-05-03 23:47:23,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-03 23:47:23,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2023-05-03 23:47:23,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2023-05-03 23:47:23,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 272 states. [2023-05-03 23:47:23,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 23:48:26,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-03 23:48:26,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-03 23:48:26,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-03 23:48:26,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2023-05-03 23:48:26,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2023-05-03 23:48:26,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 305 states. [2023-05-03 23:48:26,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 342 states. [2023-05-03 23:48:26,486 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-05-03 23:48:26,671 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,SelfDestructingSolverStorable6 [2023-05-03 23:48:26,672 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 23:48:26,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 23:48:26,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1995316928, now seen corresponding path program 8 times [2023-05-03 23:48:26,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 23:48:26,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565800417] [2023-05-03 23:48:26,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 23:48:26,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 23:48:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 23:48:36,496 INFO L134 CoverageAnalysis]: Checked inductivity of 13718 backedges. 9283 proven. 4357 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-05-03 23:48:36,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 23:48:36,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565800417] [2023-05-03 23:48:36,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565800417] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 23:48:36,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [995918010] [2023-05-03 23:48:36,497 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 23:48:36,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 23:48:36,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 23:48:36,498 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 23:48:36,500 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 23:48:36,675 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 23:48:36,675 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 23:48:36,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 1028 conjuncts, 199 conjunts are in the unsatisfiable core [2023-05-03 23:48:36,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 23:48:45,032 INFO L134 CoverageAnalysis]: Checked inductivity of 13718 backedges. 9480 proven. 4158 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-05-03 23:48:45,032 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 23:49:00,294 INFO L134 CoverageAnalysis]: Checked inductivity of 13718 backedges. 8040 proven. 5678 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 23:49:00,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [995918010] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 23:49:00,294 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 23:49:00,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [121, 120, 200] total 401 [2023-05-03 23:49:00,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793740092] [2023-05-03 23:49:00,294 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 23:49:00,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 401 states [2023-05-03 23:49:00,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 23:49:00,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 401 interpolants. [2023-05-03 23:49:00,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47148, Invalid=113252, Unknown=0, NotChecked=0, Total=160400 [2023-05-03 23:49:00,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 23:49:00,314 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 23:49:00,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 401 states, 401 states have (on average 2.4463840399002494) internal successors, (981), 401 states have internal predecessors, (981), 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 23:49:00,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-03 23:49:00,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-05-03 23:49:00,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-03 23:49:00,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2023-05-03 23:49:00,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2023-05-03 23:49:00,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 305 states. [2023-05-03 23:49:00,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 342 states. [2023-05-03 23:49:00,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 23:51:09,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-03 23:51:09,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-03 23:51:09,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-03 23:51:09,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2023-05-03 23:51:09,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2023-05-03 23:51:09,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 324 states. [2023-05-03 23:51:09,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 342 states. [2023-05-03 23:51:09,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 719 states. [2023-05-03 23:51:09,429 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-05-03 23:51:09,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 23:51:09,614 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 23:51:09,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 23:51:09,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1572216870, now seen corresponding path program 9 times [2023-05-03 23:51:09,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 23:51:09,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089946251] [2023-05-03 23:51:09,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 23:51:09,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 23:51:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 23:51:52,668 INFO L134 CoverageAnalysis]: Checked inductivity of 70091 backedges. 32727 proven. 37150 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2023-05-03 23:51:52,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 23:51:52,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089946251] [2023-05-03 23:51:52,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089946251] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 23:51:52,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302501649] [2023-05-03 23:51:52,673 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-03 23:51:52,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 23:51:52,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 23:51:52,677 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 23:51:52,679 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 23:51:55,312 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 105 check-sat command(s) [2023-05-03 23:51:55,312 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 23:51:55,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 2063 conjuncts, 365 conjunts are in the unsatisfiable core [2023-05-03 23:51:55,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 23:52:14,449 INFO L134 CoverageAnalysis]: Checked inductivity of 70091 backedges. 60868 proven. 9005 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2023-05-03 23:52:14,449 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 23:53:05,479 INFO L134 CoverageAnalysis]: Checked inductivity of 70091 backedges. 218 proven. 69873 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 23:53:05,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [302501649] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 23:53:05,479 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 23:53:05,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [191, 148, 366] total 701 [2023-05-03 23:53:05,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887576211] [2023-05-03 23:53:05,480 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 23:53:05,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 701 states [2023-05-03 23:53:05,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 23:53:05,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 701 interpolants. [2023-05-03 23:53:05,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93743, Invalid=396957, Unknown=0, NotChecked=0, Total=490700 [2023-05-03 23:53:05,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 23:53:05,521 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 23:53:05,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 701 states, 701 states have (on average 2.8901569186875893) internal successors, (2026), 701 states have internal predecessors, (2026), 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 23:53:05,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-03 23:53:05,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-05-03 23:53:05,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-03 23:53:05,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2023-05-03 23:53:05,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2023-05-03 23:53:05,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 324 states. [2023-05-03 23:53:05,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 342 states. [2023-05-03 23:53:05,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 719 states. [2023-05-03 23:53:05,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 23:57:40,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-03 23:57:40,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-03 23:57:40,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-03 23:57:40,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2023-05-03 23:57:40,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2023-05-03 23:57:40,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 324 states. [2023-05-03 23:57:40,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 385 states. [2023-05-03 23:57:40,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 818 states. [2023-05-03 23:57:40,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 953 states. [2023-05-03 23:57:40,237 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 23:57:40,418 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,SelfDestructingSolverStorable8 [2023-05-03 23:57:40,418 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 23:57:40,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 23:57:40,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1425756714, now seen corresponding path program 10 times [2023-05-03 23:57:40,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 23:57:40,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816646115] [2023-05-03 23:57:40,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 23:57:40,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 23:57:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2023-05-03 23:58:56,119 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2023-05-03 23:58:56,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-05-03 23:58:56,120 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 1105 with TraceHistMax 219,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 45 known predicates. [2023-05-03 23:58:56,121 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-03 23:58:56,121 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-03 23:58:56,121 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-03 23:58:56,122 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 23:58:56,122 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 23:58:56,124 INFO L444 BasicCegarLoop]: Path program histogram: [10] [2023-05-03 23:58:56,125 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-03 23:58:56,126 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-03 23:58:56,127 INFO L202 PluginConnector]: Adding new model sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 11:58:56 BasicIcfg [2023-05-03 23:58:56,128 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-03 23:58:56,128 INFO L158 Benchmark]: Toolchain (without parser) took 751836.52ms. Allocated memory was 182.5MB in the beginning and 7.0GB in the end (delta: 6.8GB). Free memory was 141.8MB in the beginning and 6.0GB in the end (delta: -5.8GB). Peak memory consumption was 950.4MB. Max. memory is 8.0GB. [2023-05-03 23:58:56,128 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 182.5MB. Free memory is still 143.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-03 23:58:56,128 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.60ms. Allocated memory is still 182.5MB. Free memory was 141.8MB in the beginning and 140.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-03 23:58:56,129 INFO L158 Benchmark]: Boogie Preprocessor took 19.01ms. Allocated memory is still 182.5MB. Free memory was 140.3MB in the beginning and 139.2MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-03 23:58:56,129 INFO L158 Benchmark]: RCFGBuilder took 230.25ms. Allocated memory is still 182.5MB. Free memory was 139.2MB in the beginning and 129.1MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-05-03 23:58:56,129 INFO L158 Benchmark]: TraceAbstraction took 751555.21ms. Allocated memory was 182.5MB in the beginning and 7.0GB in the end (delta: 6.8GB). Free memory was 128.0MB in the beginning and 6.0GB in the end (delta: -5.9GB). Peak memory consumption was 936.7MB. Max. memory is 8.0GB. [2023-05-03 23:58:56,130 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.13ms. Allocated memory is still 182.5MB. Free memory is still 143.0MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.60ms. Allocated memory is still 182.5MB. Free memory was 141.8MB in the beginning and 140.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.01ms. Allocated memory is still 182.5MB. Free memory was 140.3MB in the beginning and 139.2MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 230.25ms. Allocated memory is still 182.5MB. Free memory was 139.2MB in the beginning and 129.1MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 751555.21ms. Allocated memory was 182.5MB in the beginning and 7.0GB in the end (delta: 6.8GB). Free memory was 128.0MB in the beginning and 6.0GB in the end (delta: -5.9GB). Peak memory consumption was 936.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 20759, independent: 16054, independent conditional: 15657, independent unconditional: 397, dependent: 4705, dependent conditional: 4705, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16054, independent: 16054, independent conditional: 15657, independent unconditional: 397, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 16054, independent: 16054, independent conditional: 15657, independent unconditional: 397, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16054, independent: 16054, independent conditional: 0, independent unconditional: 16054, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 16054, independent: 16054, independent conditional: 0, independent unconditional: 16054, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16054, independent: 16054, independent conditional: 0, independent unconditional: 16054, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 357, independent: 357, independent conditional: 0, independent unconditional: 357, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 357, independent: 355, independent conditional: 0, independent unconditional: 355, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 52, independent: 52, independent conditional: 0, independent unconditional: 52, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 16054, independent: 15697, independent conditional: 0, independent unconditional: 15697, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 357, unknown conditional: 0, unknown unconditional: 357] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 4705 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 57, Number of trivial persistent sets: 24, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 397, independent: 397, independent conditional: 0, independent unconditional: 397, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 20759, independent: 16054, independent conditional: 15657, independent unconditional: 397, dependent: 4705, dependent conditional: 4705, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16054, independent: 16054, independent conditional: 15657, independent unconditional: 397, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 16054, independent: 16054, independent conditional: 15657, independent unconditional: 397, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16054, independent: 16054, independent conditional: 0, independent unconditional: 16054, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 16054, independent: 16054, independent conditional: 0, independent unconditional: 16054, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16054, independent: 16054, independent conditional: 0, independent unconditional: 16054, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 357, independent: 357, independent conditional: 0, independent unconditional: 357, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 357, independent: 355, independent conditional: 0, independent unconditional: 355, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 52, independent: 52, independent conditional: 0, independent unconditional: 52, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 16054, independent: 15697, independent conditional: 0, independent unconditional: 15697, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 357, unknown conditional: 0, unknown unconditional: 357] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 4705 - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 1105 with TraceHistMax 219,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 45 known predicates. - TimeoutResultAtElement [Line: 59]: 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 1105 with TraceHistMax 219,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 45 known predicates. - TimeoutResultAtElement [Line: 59]: 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 1105 with TraceHistMax 219,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 45 known predicates. - TimeoutResultAtElement [Line: 60]: 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 1105 with TraceHistMax 219,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 45 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 751.4s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 10, EmptinessCheckTime: 490.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2852, 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: 0.2s SsaConstructionTime, 4.1s SatisfiabilityAnalysisTime, 178.8s InterpolantComputationTime, 4036 NumberOfCodeBlocks, 4036 NumberOfCodeBlocksAsserted, 164 NumberOfCheckSat, 6027 ConstructedInterpolants, 0 QuantifiedInterpolants, 51859 SizeOfPredicates, 48 NumberOfNonLiveVariables, 5072 ConjunctsInSsa, 909 ConjunctsInUnsatCore, 27 InterpolantComputations, 0 PerfectInterpolantSequences, 135379/291018 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