/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.commutativity.condition.synthesis SUFFICIENT_WITH_CONTEXT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/fib_unsafe-5.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-158c277 [2024-11-14 08:19:17,559 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 08:19:17,613 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-14 08:19:17,617 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 08:19:17,618 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 08:19:17,638 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 08:19:17,639 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 08:19:17,639 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 08:19:17,639 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 08:19:17,639 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 08:19:17,640 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 08:19:17,640 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 08:19:17,640 INFO L153 SettingsManager]: * Use SBE=true [2024-11-14 08:19:17,641 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 08:19:17,641 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 08:19:17,641 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 08:19:17,641 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 08:19:17,641 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 08:19:17,642 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 08:19:17,642 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 08:19:17,642 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 08:19:17,642 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 08:19:17,642 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 08:19:17,642 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 08:19:17,642 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 08:19:17,642 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 08:19:17,642 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 08:19:17,642 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-14 08:19:17,642 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 08:19:17,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 08:19:17,642 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 08:19:17,642 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 08:19:17,642 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 08:19:17,642 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-14 08:19:17,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 08:19:17,643 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 08:19:17,643 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-14 08:19:17,643 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-14 08:19:17,643 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-14 08:19:17,643 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> SUFFICIENT_WITH_CONTEXT [2024-11-14 08:19:17,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 08:19:17,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 08:19:17,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 08:19:17,854 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 08:19:17,856 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 08:19:17,857 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/fib_unsafe-5.i [2024-11-14 08:19:18,995 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 08:19:19,209 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 08:19:19,209 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread/fib_unsafe-5.i [2024-11-14 08:19:19,222 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/9d4cf9983/f84104aeef164076ae4d6f92af858196/FLAG0062af893 [2024-11-14 08:19:19,234 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/9d4cf9983/f84104aeef164076ae4d6f92af858196 [2024-11-14 08:19:19,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 08:19:19,239 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-14 08:19:19,240 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 08:19:19,240 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 08:19:19,242 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 08:19:19,243 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 08:19:19" (1/1) ... [2024-11-14 08:19:19,243 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cf3d59e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:19:19, skipping insertion in model container [2024-11-14 08:19:19,243 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 08:19:19" (1/1) ... [2024-11-14 08:19:19,272 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 08:19:19,479 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread/fib_unsafe-5.i[30243,30256] [2024-11-14 08:19:19,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 08:19:19,505 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 08:19:19,539 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread/fib_unsafe-5.i[30243,30256] [2024-11-14 08:19:19,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 08:19:19,573 INFO L204 MainTranslator]: Completed translation [2024-11-14 08:19:19,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:19:19 WrapperNode [2024-11-14 08:19:19,574 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 08:19:19,575 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 08:19:19,575 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 08:19:19,575 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 08:19:19,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:19:19" (1/1) ... [2024-11-14 08:19:19,587 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:19:19" (1/1) ... [2024-11-14 08:19:19,601 INFO L138 Inliner]: procedures = 164, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2024-11-14 08:19:19,602 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 08:19:19,602 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 08:19:19,602 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 08:19:19,602 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 08:19:19,606 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:19:19" (1/1) ... [2024-11-14 08:19:19,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:19:19" (1/1) ... [2024-11-14 08:19:19,607 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:19:19" (1/1) ... [2024-11-14 08:19:19,607 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:19:19" (1/1) ... [2024-11-14 08:19:19,610 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:19:19" (1/1) ... [2024-11-14 08:19:19,612 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:19:19" (1/1) ... [2024-11-14 08:19:19,612 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:19:19" (1/1) ... [2024-11-14 08:19:19,613 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:19:19" (1/1) ... [2024-11-14 08:19:19,614 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 08:19:19,614 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 08:19:19,614 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 08:19:19,614 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 08:19:19,615 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:19:19" (1/1) ... [2024-11-14 08:19:19,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 08:19:19,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 08:19:19,639 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 08:19:19,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 08:19:19,655 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-11-14 08:19:19,655 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-11-14 08:19:19,656 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-11-14 08:19:19,656 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-11-14 08:19:19,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-14 08:19:19,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 08:19:19,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 08:19:19,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-14 08:19:19,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 08:19:19,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 08:19:19,657 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 08:19:19,737 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 08:19:19,738 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 08:19:19,839 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 08:19:19,839 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 08:19:19,848 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 08:19:19,848 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-14 08:19:19,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 08:19:19 BoogieIcfgContainer [2024-11-14 08:19:19,849 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 08:19:19,850 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 08:19:19,850 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 08:19:19,855 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 08:19:19,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 08:19:19" (1/3) ... [2024-11-14 08:19:19,855 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ba33e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 08:19:19, skipping insertion in model container [2024-11-14 08:19:19,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:19:19" (2/3) ... [2024-11-14 08:19:19,855 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ba33e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 08:19:19, skipping insertion in model container [2024-11-14 08:19:19,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 08:19:19" (3/3) ... [2024-11-14 08:19:19,856 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_unsafe-5.i [2024-11-14 08:19:19,866 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 08:19:19,867 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG fib_unsafe-5.i that has 3 procedures, 86 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2024-11-14 08:19:19,867 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 08:19:19,916 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-14 08:19:19,955 INFO L123 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 08:19:19,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-14 08:19:19,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 08:19:19,958 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-14 08:19:19,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-14 08:19:20,012 INFO L185 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-14 08:19:20,023 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-14 08:19:20,029 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@3fed33a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 08:19:20,030 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-14 08:19:20,367 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 08:19:20,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 08:19:20,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1672349672, now seen corresponding path program 1 times [2024-11-14 08:19:20,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 08:19:20,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320371540] [2024-11-14 08:19:20,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 08:19:20,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 08:19:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 08:19:20,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 08:19:20,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 08:19:20,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320371540] [2024-11-14 08:19:20,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320371540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 08:19:20,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 08:19:20,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 08:19:20,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706009749] [2024-11-14 08:19:20,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 08:19:20,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 08:19:20,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 08:19:20,619 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 08:19:20,620 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 08:19:20,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:19:20,621 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 08:19:20,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2024-11-14 08:19:20,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:19:20,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 08:19:20,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 08:19:20,667 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 08:19:20,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 08:19:20,667 INFO L85 PathProgramCache]: Analyzing trace with hash -68065736, now seen corresponding path program 1 times [2024-11-14 08:19:20,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 08:19:20,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043640707] [2024-11-14 08:19:20,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 08:19:20,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 08:19:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 08:19:20,842 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 08:19:20,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 08:19:20,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043640707] [2024-11-14 08:19:20,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043640707] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 08:19:20,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574221874] [2024-11-14 08:19:20,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 08:19:20,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 08:19:20,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 08:19:20,844 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 08:19:20,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 08:19:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 08:19:20,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 08:19:20,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 08:19:20,997 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 08:19:20,997 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 08:19:21,058 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 08:19:21,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1574221874] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 08:19:21,059 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 08:19:21,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-14 08:19:21,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113443522] [2024-11-14 08:19:21,059 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 08:19:21,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-14 08:19:21,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 08:19:21,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-14 08:19:21,064 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-14 08:19:21,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:19:21,065 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 08:19:21,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.7) internal successors, (127), 10 states have internal predecessors, (127), 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) [2024-11-14 08:19:21,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 08:19:21,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:19:21,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 08:19:21,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 08:19:21,190 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-14 08:19:21,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 08:19:21,375 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 08:19:21,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 08:19:21,390 INFO L85 PathProgramCache]: Analyzing trace with hash -453778888, now seen corresponding path program 2 times [2024-11-14 08:19:21,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 08:19:21,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260191178] [2024-11-14 08:19:21,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 08:19:21,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 08:19:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 08:19:21,633 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 08:19:21,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 08:19:21,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260191178] [2024-11-14 08:19:21,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260191178] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 08:19:21,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616627558] [2024-11-14 08:19:21,634 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 08:19:21,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 08:19:21,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 08:19:21,636 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 08:19:21,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-14 08:19:21,700 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 08:19:21,700 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 08:19:21,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 08:19:21,705 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 08:19:21,800 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 08:19:21,800 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 08:19:21,935 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 08:19:21,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616627558] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 08:19:21,936 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 08:19:21,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-14 08:19:21,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731454684] [2024-11-14 08:19:21,936 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 08:19:21,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-14 08:19:21,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 08:19:21,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-14 08:19:21,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-14 08:19:21,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:19:21,938 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 08:19:21,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 10.833333333333334) internal successors, (195), 18 states have internal predecessors, (195), 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) [2024-11-14 08:19:21,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 08:19:21,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-14 08:19:21,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:19:22,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 08:19:22,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 08:19:22,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-14 08:19:22,158 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-14 08:19:22,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 08:19:22,345 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 08:19:22,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 08:19:22,346 INFO L85 PathProgramCache]: Analyzing trace with hash 333175352, now seen corresponding path program 3 times [2024-11-14 08:19:22,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 08:19:22,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329333566] [2024-11-14 08:19:22,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 08:19:22,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 08:19:22,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 08:19:22,772 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 08:19:22,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 08:19:22,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329333566] [2024-11-14 08:19:22,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329333566] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 08:19:22,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003053653] [2024-11-14 08:19:22,773 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 08:19:22,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 08:19:22,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 08:19:22,775 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 08:19:22,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 08:19:22,855 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-14 08:19:22,855 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 08:19:22,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-14 08:19:22,859 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 08:19:23,179 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 08:19:23,180 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 08:19:23,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003053653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 08:19:23,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 08:19:23,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [17] total 32 [2024-11-14 08:19:23,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817814588] [2024-11-14 08:19:23,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 08:19:23,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-14 08:19:23,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 08:19:23,181 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-14 08:19:23,182 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=833, Unknown=0, NotChecked=0, Total=992 [2024-11-14 08:19:23,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:19:23,182 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 08:19:23,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 10.764705882352942) internal successors, (183), 17 states have internal predecessors, (183), 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) [2024-11-14 08:19:23,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 08:19:23,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-14 08:19:23,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-14 08:19:23,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:19:23,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 08:19:23,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 08:19:23,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-14 08:19:23,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-14 08:19:23,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-14 08:19:23,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 08:19:23,612 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 08:19:23,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 08:19:23,612 INFO L85 PathProgramCache]: Analyzing trace with hash 190086906, now seen corresponding path program 1 times [2024-11-14 08:19:23,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 08:19:23,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225658165] [2024-11-14 08:19:23,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 08:19:23,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 08:19:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 08:19:23,879 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 214 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 08:19:23,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 08:19:23,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225658165] [2024-11-14 08:19:23,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225658165] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 08:19:23,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073547698] [2024-11-14 08:19:23,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 08:19:23,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 08:19:23,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 08:19:23,881 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 08:19:23,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-14 08:19:23,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 08:19:23,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-14 08:19:23,955 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 08:19:24,164 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-14 08:19:24,164 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 08:19:24,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1073547698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 08:19:24,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 08:19:24,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [17] total 28 [2024-11-14 08:19:24,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242096382] [2024-11-14 08:19:24,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 08:19:24,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-14 08:19:24,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 08:19:24,165 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-14 08:19:24,166 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=629, Unknown=0, NotChecked=0, Total=756 [2024-11-14 08:19:24,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:19:24,166 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 08:19:24,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.923076923076923) internal successors, (155), 13 states have internal predecessors, (155), 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) [2024-11-14 08:19:24,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 08:19:24,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-14 08:19:24,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-14 08:19:24,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-14 08:19:24,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:19:24,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 08:19:24,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 08:19:24,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-14 08:19:24,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-14 08:19:24,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-14 08:19:24,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-14 08:19:24,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 08:19:24,552 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 08:19:24,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 08:19:24,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1491544312, now seen corresponding path program 1 times [2024-11-14 08:19:24,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 08:19:24,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389952857] [2024-11-14 08:19:24,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 08:19:24,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 08:19:24,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 08:19:24,793 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 184 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 08:19:24,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 08:19:24,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389952857] [2024-11-14 08:19:24,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389952857] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 08:19:24,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231520766] [2024-11-14 08:19:24,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 08:19:24,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 08:19:24,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 08:19:24,795 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 08:19:24,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-14 08:19:24,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 08:19:24,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-14 08:19:24,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 08:19:24,972 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 184 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 08:19:24,972 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 08:19:25,209 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 184 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 08:19:25,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231520766] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 08:19:25,209 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 08:19:25,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 27 [2024-11-14 08:19:25,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725213094] [2024-11-14 08:19:25,209 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 08:19:25,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-14 08:19:25,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 08:19:25,211 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-14 08:19:25,211 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=507, Unknown=0, NotChecked=0, Total=702 [2024-11-14 08:19:25,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:19:25,211 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 08:19:25,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 9.333333333333334) internal successors, (252), 27 states have internal predecessors, (252), 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) [2024-11-14 08:19:25,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-14 08:19:25,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-14 08:19:25,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-14 08:19:25,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-14 08:19:25,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-14 08:19:25,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:19:25,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 08:19:25,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 08:19:25,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-14 08:19:25,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-14 08:19:25,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-14 08:19:25,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-14 08:19:25,542 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-14 08:19:25,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-14 08:19:25,734 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 08:19:25,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 08:19:25,735 INFO L85 PathProgramCache]: Analyzing trace with hash -74817597, now seen corresponding path program 2 times [2024-11-14 08:19:25,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 08:19:25,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863422950] [2024-11-14 08:19:25,736 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 08:19:25,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 08:19:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 08:19:25,756 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 08:19:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 08:19:25,826 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-14 08:19:25,826 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-14 08:19:25,827 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-11-14 08:19:25,828 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-11-14 08:19:25,828 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-11-14 08:19:25,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-14 08:19:25,832 INFO L422 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1] [2024-11-14 08:19:25,969 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 08:19:25,970 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 08:19:25,988 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-11-14 08:19:25,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 08:19:25 BasicIcfg [2024-11-14 08:19:25,989 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 08:19:25,989 INFO L158 Benchmark]: Toolchain (without parser) took 6750.93ms. Allocated memory was 100.7MB in the beginning and 159.4MB in the end (delta: 58.7MB). Free memory was 70.6MB in the beginning and 114.7MB in the end (delta: -44.1MB). Peak memory consumption was 100.1MB. Max. memory is 8.0GB. [2024-11-14 08:19:25,990 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 100.7MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 08:19:25,990 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.12ms. Allocated memory is still 100.7MB. Free memory was 70.6MB in the beginning and 50.9MB in the end (delta: 19.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-11-14 08:19:25,990 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.11ms. Allocated memory is still 100.7MB. Free memory was 50.9MB in the beginning and 49.3MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-11-14 08:19:25,990 INFO L158 Benchmark]: Boogie Preprocessor took 11.83ms. Allocated memory is still 100.7MB. Free memory was 49.3MB in the beginning and 48.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 08:19:25,990 INFO L158 Benchmark]: RCFGBuilder took 234.34ms. Allocated memory is still 100.7MB. Free memory was 48.3MB in the beginning and 35.7MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-11-14 08:19:25,990 INFO L158 Benchmark]: TraceAbstraction took 6138.96ms. Allocated memory was 100.7MB in the beginning and 159.4MB in the end (delta: 58.7MB). Free memory was 35.0MB in the beginning and 114.7MB in the end (delta: -79.7MB). Peak memory consumption was 70.7MB. Max. memory is 8.0GB. [2024-11-14 08:19:25,991 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 100.7MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 334.12ms. Allocated memory is still 100.7MB. Free memory was 70.6MB in the beginning and 50.9MB in the end (delta: 19.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.11ms. Allocated memory is still 100.7MB. Free memory was 50.9MB in the beginning and 49.3MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 11.83ms. Allocated memory is still 100.7MB. Free memory was 49.3MB in the beginning and 48.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 234.34ms. Allocated memory is still 100.7MB. Free memory was 48.3MB in the beginning and 35.7MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 6138.96ms. Allocated memory was 100.7MB in the beginning and 159.4MB in the end (delta: 58.7MB). Free memory was 35.0MB in the beginning and 114.7MB in the end (delta: -79.7MB). Peak memory consumption was 70.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9231, independent: 7844, independent conditional: 6193, independent unconditional: 1651, dependent: 1387, dependent conditional: 1380, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7851, independent: 7844, independent conditional: 6193, independent unconditional: 1651, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7851, independent: 7844, independent conditional: 6193, independent unconditional: 1651, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7851, independent: 7844, independent conditional: 6193, independent unconditional: 1651, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7851, independent: 7844, independent conditional: 0, independent unconditional: 7844, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7851, independent: 7844, independent conditional: 0, independent unconditional: 7844, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1575, independent: 1568, independent conditional: 0, independent unconditional: 1568, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1575, independent: 1566, independent conditional: 0, independent unconditional: 1566, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 9, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 9, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 227, independent: 53, independent conditional: 0, independent unconditional: 53, dependent: 174, dependent conditional: 0, dependent unconditional: 174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 7851, independent: 6276, independent conditional: 0, independent unconditional: 6276, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1575, unknown conditional: 0, unknown unconditional: 1575] , Statistics on independence cache: Total cache size (in pairs): 1575, Positive cache size: 1568, Positive conditional cache size: 0, Positive unconditional cache size: 1568, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6193, Maximal queried relation: 0, Independence queries for same thread: 1380, Persistent sets #1 benchmarks: Persistent set computation time: 0.3s, Number of persistent set computation: 120, Number of trivial persistent sets: 65, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1658, independent: 1651, independent conditional: 0, independent unconditional: 1651, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9231, independent: 7844, independent conditional: 6193, independent unconditional: 1651, dependent: 1387, dependent conditional: 1380, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7851, independent: 7844, independent conditional: 6193, independent unconditional: 1651, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7851, independent: 7844, independent conditional: 6193, independent unconditional: 1651, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7851, independent: 7844, independent conditional: 6193, independent unconditional: 1651, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7851, independent: 7844, independent conditional: 0, independent unconditional: 7844, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7851, independent: 7844, independent conditional: 0, independent unconditional: 7844, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1575, independent: 1568, independent conditional: 0, independent unconditional: 1568, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1575, independent: 1566, independent conditional: 0, independent unconditional: 1566, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 9, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 9, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 227, independent: 53, independent conditional: 0, independent unconditional: 53, dependent: 174, dependent conditional: 0, dependent unconditional: 174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 7851, independent: 6276, independent conditional: 0, independent unconditional: 6276, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1575, unknown conditional: 0, unknown unconditional: 1575] , Statistics on independence cache: Total cache size (in pairs): 1575, Positive cache size: 1568, Positive conditional cache size: 0, Positive unconditional cache size: 1568, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6193, Maximal queried relation: 0, Independence queries for same thread: 1380 - CounterExampleResult [Line: 681]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L682] 0 int i, j; VAL [i=0, j=0] [L685] 0 int p, q; VAL [i=0, j=0, p=0, q=0] [L702] 0 int cur = 1, prev = 0, next = 0; VAL [cur=1, i=0, j=0, next=0, p=0, prev=0, q=0] [L703] 0 int x; VAL [cur=1, i=0, j=0, next=0, p=0, prev=0, q=0, x=0] [L713] 0 pthread_t id1, id2; VAL [\old(argc)=234, \old(argv)={235:236}, argc=234, cur=1, i=0, j=0, next=0, p=0, prev=0, q=0, x=0] [L715] 0 i = 1 VAL [\old(argc)=234, \old(argv)={235:236}, argc=234, cur=1, i=1, j=0, next=0, p=0, prev=0, q=0, x=0] [L718] 0 j = 1 VAL [\old(argc)=234, \old(argv)={235:236}, argc=234, cur=1, i=1, j=1, next=0, p=0, prev=0, q=0, x=0] [L720] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [\old(arg)={0:0}, \old(argc)=234, \old(argv)={235:236}, argc=234, cur=1, i=1, id1=-1, j=1, next=0, p=0, prev=0, q=0, x=0] [L687] 1 p = 0 VAL [\old(arg)={0:0}, arg={0:0}, cur=1, i=1, j=1, next=0, p=0, prev=0, q=0, x=0] [L721] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(argc)=234, \old(argv)={235:236}, arg={0:0}, argc=234, cur=1, i=1, id1=-1, id2=0, j=1, next=0, p=0, prev=0, q=0, x=0] [L695] 2 q = 0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=1, j=1, next=0, p=0, prev=0, q=0, x=0] [L722] CALL, EXPR 0 fib() [L705] 0 x = 0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=1, j=1, next=0, p=0, prev=0, q=0, x=0] [L687] COND TRUE 1 p < 5 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=1, j=1, next=0, p=0, prev=0, q=0, x=0] [L689] 1 i = i + j VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=2, j=1, next=0, p=0, prev=0, q=0, x=0] [L687] 1 p++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=2, j=1, next=0, p=1, prev=0, q=0, x=0] [L695] COND TRUE 2 q < 5 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=2, j=1, next=0, p=1, prev=0, q=0, x=0] [L697] 2 j = j + i VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=2, j=3, next=0, p=1, prev=0, q=0, x=0] [L695] 2 q++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=2, j=3, next=0, p=1, prev=0, q=1, x=0] [L705] COND TRUE 0 x < 12 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=2, j=3, next=0, p=1, prev=0, q=1, x=0] [L706] 0 next = prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=2, j=3, next=1, p=1, prev=0, q=1, x=0] [L707] 0 prev = cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=2, j=3, next=1, p=1, prev=1, q=1, x=0] [L708] 0 cur = next VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=2, j=3, next=1, p=1, prev=1, q=1, x=0] [L705] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=2, j=3, next=1, p=1, prev=1, q=1, x=1] [L687] COND TRUE 1 p < 5 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=2, j=3, next=1, p=1, prev=1, q=1, x=1] [L689] 1 i = i + j VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=5, j=3, next=1, p=1, prev=1, q=1, x=1] [L687] 1 p++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=5, j=3, next=1, p=2, prev=1, q=1, x=1] [L695] COND TRUE 2 q < 5 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=5, j=3, next=1, p=2, prev=1, q=1, x=1] [L697] 2 j = j + i VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=5, j=8, next=1, p=2, prev=1, q=1, x=1] [L695] 2 q++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=5, j=8, next=1, p=2, prev=1, q=2, x=1] [L705] COND TRUE 0 x < 12 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=5, j=8, next=1, p=2, prev=1, q=2, x=1] [L706] 0 next = prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=5, j=8, next=2, p=2, prev=1, q=2, x=1] [L707] 0 prev = cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=5, j=8, next=2, p=2, prev=1, q=2, x=1] [L708] 0 cur = next VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=2, i=5, j=8, next=2, p=2, prev=1, q=2, x=1] [L705] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=2, i=5, j=8, next=2, p=2, prev=1, q=2, x=2] [L687] COND TRUE 1 p < 5 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=2, i=5, j=8, next=2, p=2, prev=1, q=2, x=2] [L689] 1 i = i + j VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=2, i=13, j=8, next=2, p=2, prev=1, q=2, x=2] [L687] 1 p++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=2, i=13, j=8, next=2, p=3, prev=1, q=2, x=2] [L695] COND TRUE 2 q < 5 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=2, i=13, j=8, next=2, p=3, prev=1, q=2, x=2] [L697] 2 j = j + i VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=2, i=13, j=21, next=2, p=3, prev=1, q=2, x=2] [L695] 2 q++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=2, i=13, j=21, next=2, p=3, prev=1, q=3, x=2] [L705] COND TRUE 0 x < 12 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=2, i=13, j=21, next=2, p=3, prev=1, q=3, x=2] [L706] 0 next = prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=2, i=13, j=21, next=3, p=3, prev=1, q=3, x=2] [L707] 0 prev = cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=2, i=13, j=21, next=3, p=3, prev=2, q=3, x=2] [L708] 0 cur = next VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=3, i=13, j=21, next=3, p=3, prev=2, q=3, x=2] [L705] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=3, i=13, j=21, next=3, p=3, prev=2, q=3, x=3] [L687] COND TRUE 1 p < 5 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=3, i=13, j=21, next=3, p=3, prev=2, q=3, x=3] [L689] 1 i = i + j VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=3, i=34, j=21, next=3, p=3, prev=2, q=3, x=3] [L687] 1 p++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=3, i=34, j=21, next=3, p=4, prev=2, q=3, x=3] [L695] COND TRUE 2 q < 5 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=3, i=34, j=21, next=3, p=4, prev=2, q=3, x=3] [L697] 2 j = j + i VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=3, i=34, j=55, next=3, p=4, prev=2, q=3, x=3] [L695] 2 q++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=3, i=34, j=55, next=3, p=4, prev=2, q=4, x=3] [L705] COND TRUE 0 x < 12 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=3, i=34, j=55, next=3, p=4, prev=2, q=4, x=3] [L706] 0 next = prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=3, i=34, j=55, next=5, p=4, prev=2, q=4, x=3] [L707] 0 prev = cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=3, i=34, j=55, next=5, p=4, prev=3, q=4, x=3] [L708] 0 cur = next VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=5, i=34, j=55, next=5, p=4, prev=3, q=4, x=3] [L705] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=5, i=34, j=55, next=5, p=4, prev=3, q=4, x=4] [L687] COND TRUE 1 p < 5 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=5, i=34, j=55, next=5, p=4, prev=3, q=4, x=4] [L689] 1 i = i + j VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=5, i=89, j=55, next=5, p=4, prev=3, q=4, x=4] [L687] 1 p++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=5, i=89, j=55, next=5, p=5, prev=3, q=4, x=4] [L695] COND TRUE 2 q < 5 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=5, i=89, j=55, next=5, p=5, prev=3, q=4, x=4] [L697] 2 j = j + i VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=5, i=89, j=144, next=5, p=5, prev=3, q=4, x=4] [L695] 2 q++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=5, i=89, j=144, next=5, p=5, prev=3, q=5, x=4] [L705] COND TRUE 0 x < 12 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=5, i=89, j=144, next=5, p=5, prev=3, q=5, x=4] [L706] 0 next = prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=5, i=89, j=144, next=8, p=5, prev=3, q=5, x=4] [L707] 0 prev = cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=5, i=89, j=144, next=8, p=5, prev=5, q=5, x=4] [L708] 0 cur = next VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=8, i=89, j=144, next=8, p=5, prev=5, q=5, x=4] [L705] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=8, i=89, j=144, next=8, p=5, prev=5, q=5, x=5] [L687] COND FALSE 1 !(p < 5) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=8, i=89, j=144, next=8, p=5, prev=5, q=5, x=5] [L692] 1 return ((void *)0); VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=8, i=89, j=144, next=8, p=5, prev=5, q=5, x=5] [L695] COND FALSE 2 !(q < 5) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=8, i=89, j=144, next=8, p=5, prev=5, q=5, x=5] [L700] 2 return ((void *)0); VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=8, i=89, j=144, next=8, p=5, prev=5, q=5, x=5] [L705] COND TRUE 0 x < 12 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=8, i=89, j=144, next=8, p=5, prev=5, q=5, x=5] [L706] 0 next = prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=8, i=89, j=144, next=13, p=5, prev=5, q=5, x=5] [L707] 0 prev = cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=8, i=89, j=144, next=13, p=5, prev=8, q=5, x=5] [L708] 0 cur = next VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=13, i=89, j=144, next=13, p=5, prev=8, q=5, x=5] [L705] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=13, i=89, j=144, next=13, p=5, prev=8, q=5, x=6] [L705] COND TRUE 0 x < 12 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=13, i=89, j=144, next=13, p=5, prev=8, q=5, x=6] [L706] 0 next = prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=13, i=89, j=144, next=21, p=5, prev=8, q=5, x=6] [L707] 0 prev = cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=13, i=89, j=144, next=21, p=5, prev=13, q=5, x=6] [L708] 0 cur = next VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=21, i=89, j=144, next=21, p=5, prev=13, q=5, x=6] [L705] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=21, i=89, j=144, next=21, p=5, prev=13, q=5, x=7] [L705] COND TRUE 0 x < 12 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=21, i=89, j=144, next=21, p=5, prev=13, q=5, x=7] [L706] 0 next = prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=21, i=89, j=144, next=34, p=5, prev=13, q=5, x=7] [L707] 0 prev = cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=21, i=89, j=144, next=34, p=5, prev=21, q=5, x=7] [L708] 0 cur = next VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=34, i=89, j=144, next=34, p=5, prev=21, q=5, x=7] [L705] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=34, i=89, j=144, next=34, p=5, prev=21, q=5, x=8] [L705] COND TRUE 0 x < 12 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=34, i=89, j=144, next=34, p=5, prev=21, q=5, x=8] [L706] 0 next = prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=34, i=89, j=144, next=55, p=5, prev=21, q=5, x=8] [L707] 0 prev = cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=34, i=89, j=144, next=55, p=5, prev=34, q=5, x=8] [L708] 0 cur = next VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=55, i=89, j=144, next=55, p=5, prev=34, q=5, x=8] [L705] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=55, i=89, j=144, next=55, p=5, prev=34, q=5, x=9] [L705] COND TRUE 0 x < 12 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=55, i=89, j=144, next=55, p=5, prev=34, q=5, x=9] [L706] 0 next = prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=55, i=89, j=144, next=89, p=5, prev=34, q=5, x=9] [L707] 0 prev = cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=55, i=89, j=144, next=89, p=5, prev=55, q=5, x=9] [L708] 0 cur = next VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=89, i=89, j=144, next=89, p=5, prev=55, q=5, x=9] [L705] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=89, i=89, j=144, next=89, p=5, prev=55, q=5, x=10] [L705] COND TRUE 0 x < 12 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=89, i=89, j=144, next=89, p=5, prev=55, q=5, x=10] [L706] 0 next = prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=89, i=89, j=144, next=144, p=5, prev=55, q=5, x=10] [L707] 0 prev = cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=89, i=89, j=144, next=144, p=5, prev=89, q=5, x=10] [L708] 0 cur = next VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=144, i=89, j=144, next=144, p=5, prev=89, q=5, x=10] [L705] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=144, i=89, j=144, next=144, p=5, prev=89, q=5, x=11] [L705] COND TRUE 0 x < 12 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=144, i=89, j=144, next=144, p=5, prev=89, q=5, x=11] [L706] 0 next = prev + cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=144, i=89, j=144, next=233, p=5, prev=89, q=5, x=11] [L707] 0 prev = cur VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=144, i=89, j=144, next=233, p=5, prev=144, q=5, x=11] [L708] 0 cur = next VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=233, i=89, j=144, next=233, p=5, prev=144, q=5, x=11] [L705] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=233, i=89, j=144, next=233, p=5, prev=144, q=5, x=12] [L705] COND FALSE 0 !(x < 12) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=233, i=89, j=144, next=233, p=5, prev=144, q=5, x=12] [L710] 0 return prev; VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result=144, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=233, i=89, j=144, next=233, p=5, prev=144, q=5, x=12] [L722] RET, EXPR 0 fib() [L722] 0 int correct = fib(); VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(argc)=234, \old(argv)={235:236}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, argc=234, correct=144, cur=233, i=89, id1=-1, id2=0, j=144, next=233, p=5, prev=144, q=5, x=12] [L724] 0 _Bool assert_cond = i < correct && j < correct; VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(argc)=234, \old(argv)={235:236}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, argc=234, assert_cond=0, correct=144, cur=233, i=89, id1=-1, id2=0, j=144, next=233, p=5, prev=144, q=5, x=12] [L726] CALL 0 __VERIFIER_assert(assert_cond) [L681] COND TRUE 0 !expression VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(expression)=0, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=233, expression=0, i=89, j=144, next=233, p=5, prev=144, q=5, x=12] [L681] 0 reach_error() VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(expression)=0, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=233, expression=0, i=89, j=144, next=233, p=5, prev=144, q=5, x=12] - UnprovableResult [Line: 720]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 721]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 108 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5.8s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 1.4s, 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: 105, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1676 NumberOfCodeBlocks, 1676 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1823 ConstructedInterpolants, 0 QuantifiedInterpolants, 3975 SizeOfPredicates, 46 NumberOfNonLiveVariables, 1326 ConjunctsInSsa, 56 ConjunctsInUnsatCore, 14 InterpolantComputations, 3 PerfectInterpolantSequences, 648/2133 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, ConComCheckerStatistics: CheckTime: 0.0s, ConditionCalculationTime: 0.0s, CommutingCounterexamples: 0, ConditionCalculations: 145, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0, QuantifiedConditions: 0, FalseConditions: 0 RESULT: Ultimate proved your program to be incorrect! [2024-11-14 08:19:26,012 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...