/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 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf -i ../../../trunk/examples/svcomp/pthread/fib_safe-7.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-4cc0a57-m [2025-04-14 10:36:35,714 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-14 10:36:35,776 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-14 10:36:35,779 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-14 10:36:35,779 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-14 10:36:35,802 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-14 10:36:35,804 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-14 10:36:35,804 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-14 10:36:35,804 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-14 10:36:35,804 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-14 10:36:35,805 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-14 10:36:35,805 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-14 10:36:35,805 INFO L153 SettingsManager]: * Use SBE=true [2025-04-14 10:36:35,805 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-14 10:36:35,805 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-14 10:36:35,805 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-14 10:36:35,805 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-14 10:36:35,805 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-14 10:36:35,805 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-14 10:36:35,805 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-14 10:36:35,805 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-14 10:36:35,805 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-14 10:36:35,806 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-14 10:36:35,806 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-14 10:36:35,806 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-14 10:36:35,806 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-14 10:36:35,806 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-14 10:36:35,806 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 10:36:35,806 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 10:36:35,806 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 10:36:35,806 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 10:36:35,806 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-14 10:36:35,806 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 10:36:35,806 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 10:36:35,806 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 10:36:35,806 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 10:36:35,806 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-14 10:36:35,806 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-14 10:36:35,806 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-14 10:36:35,806 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-14 10:36:35,807 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-14 10:36:35,807 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-14 10:36:35,807 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-14 10:36:35,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-14 10:36:35,807 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-14 10:36:35,807 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-14 10:36:35,807 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-14 10:36:35,807 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-14 10:36:36,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-14 10:36:36,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-14 10:36:36,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-14 10:36:36,069 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-14 10:36:36,070 INFO L274 PluginConnector]: CDTParser initialized [2025-04-14 10:36:36,072 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/fib_safe-7.i [2025-04-14 10:36:37,428 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5b4ae87b/96b72457a2ed45758aa9ac3b9b3e9452/FLAGbf6b5d4ec [2025-04-14 10:36:37,683 INFO L389 CDTParser]: Found 1 translation units. [2025-04-14 10:36:37,683 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-7.i [2025-04-14 10:36:37,693 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5b4ae87b/96b72457a2ed45758aa9ac3b9b3e9452/FLAGbf6b5d4ec [2025-04-14 10:36:38,628 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5b4ae87b/96b72457a2ed45758aa9ac3b9b3e9452 [2025-04-14 10:36:38,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-14 10:36:38,631 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-14 10:36:38,632 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-14 10:36:38,632 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-14 10:36:38,634 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-14 10:36:38,637 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 10:36:38" (1/1) ... [2025-04-14 10:36:38,638 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@155f8231 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:36:38, skipping insertion in model container [2025-04-14 10:36:38,638 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 10:36:38" (1/1) ... [2025-04-14 10:36:38,665 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-14 10:36:38,864 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-7.i[30241,30254] [2025-04-14 10:36:38,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 10:36:38,896 INFO L200 MainTranslator]: Completed pre-run [2025-04-14 10:36:38,950 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-7.i[30241,30254] [2025-04-14 10:36:38,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 10:36:38,984 INFO L204 MainTranslator]: Completed translation [2025-04-14 10:36:38,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:36:38 WrapperNode [2025-04-14 10:36:38,985 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-14 10:36:38,985 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-14 10:36:38,986 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-14 10:36:38,986 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-14 10:36:38,990 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:36:38" (1/1) ... [2025-04-14 10:36:39,003 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:36:38" (1/1) ... [2025-04-14 10:36:39,021 INFO L138 Inliner]: procedures = 164, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2025-04-14 10:36:39,021 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-14 10:36:39,022 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-14 10:36:39,022 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-14 10:36:39,022 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-14 10:36:39,027 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:36:38" (1/1) ... [2025-04-14 10:36:39,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:36:38" (1/1) ... [2025-04-14 10:36:39,029 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:36:38" (1/1) ... [2025-04-14 10:36:39,029 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:36:38" (1/1) ... [2025-04-14 10:36:39,034 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:36:38" (1/1) ... [2025-04-14 10:36:39,035 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:36:38" (1/1) ... [2025-04-14 10:36:39,040 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:36:38" (1/1) ... [2025-04-14 10:36:39,041 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:36:38" (1/1) ... [2025-04-14 10:36:39,041 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:36:38" (1/1) ... [2025-04-14 10:36:39,044 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-14 10:36:39,044 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-14 10:36:39,044 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-14 10:36:39,045 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-14 10:36:39,045 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:36:38" (1/1) ... [2025-04-14 10:36:39,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 10:36:39,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 10:36:39,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-14 10:36:39,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-14 10:36:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2025-04-14 10:36:39,090 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2025-04-14 10:36:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2025-04-14 10:36:39,090 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2025-04-14 10:36:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-14 10:36:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-14 10:36:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-14 10:36:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-14 10:36:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-14 10:36:39,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-14 10:36:39,091 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-14 10:36:39,189 INFO L234 CfgBuilder]: Building ICFG [2025-04-14 10:36:39,190 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-14 10:36:39,329 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-14 10:36:39,329 INFO L283 CfgBuilder]: Performing block encoding [2025-04-14 10:36:39,420 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-14 10:36:39,420 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-14 10:36:39,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 10:36:39 BoogieIcfgContainer [2025-04-14 10:36:39,421 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-14 10:36:39,422 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-14 10:36:39,422 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-14 10:36:39,428 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-14 10:36:39,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.04 10:36:38" (1/3) ... [2025-04-14 10:36:39,429 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c57c0fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 10:36:39, skipping insertion in model container [2025-04-14 10:36:39,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:36:38" (2/3) ... [2025-04-14 10:36:39,429 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c57c0fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 10:36:39, skipping insertion in model container [2025-04-14 10:36:39,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 10:36:39" (3/3) ... [2025-04-14 10:36:39,430 INFO L128 eAbstractionObserver]: Analyzing ICFG fib_safe-7.i [2025-04-14 10:36:39,441 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-14 10:36:39,443 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG fib_safe-7.i that has 3 procedures, 26 locations, 27 edges, 1 initial locations, 3 loop locations, and 1 error locations. [2025-04-14 10:36:39,443 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-14 10:36:39,481 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-04-14 10:36:39,512 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 10:36:39,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-14 10:36:39,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 10:36:39,515 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-14 10:36:39,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-14 10:36:39,578 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-14 10:36:39,591 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-14 10:36:39,596 INFO L340 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;@359efce9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 10:36:39,597 INFO L341 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-04-14 10:36:39,911 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 10:36:39,911 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:36:39,911 INFO L139 ounterexampleChecker]: Examining path program with hash -1831457800, occurence #1 [2025-04-14 10:36:39,911 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:36:39,911 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:36:39,915 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:36:39,915 INFO L85 PathProgramCache]: Analyzing trace with hash -585029914, now seen corresponding path program 1 times [2025-04-14 10:36:39,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:36:39,921 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39578794] [2025-04-14 10:36:39,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:36:39,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:36:39,971 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-04-14 10:36:39,988 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-04-14 10:36:39,989 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:36:39,989 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:36:40,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:36:40,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:36:40,129 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39578794] [2025-04-14 10:36:40,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39578794] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:36:40,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:36:40,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 10:36:40,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612157445] [2025-04-14 10:36:40,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:36:40,134 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 10:36:40,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:36:40,147 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 10:36:40,148 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 10:36:40,148 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:36:40,149 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:36:40,150 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-04-14 10:36:40,150 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:36:40,196 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:36:40,196 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-14 10:36:40,196 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 10:36:40,196 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:36:40,196 INFO L139 ounterexampleChecker]: Examining path program with hash -1831457800, occurence #2 [2025-04-14 10:36:40,196 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 10:36:40,197 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 10:36:40,197 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:36:40,197 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-04-14 10:36:40,197 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:36:40,197 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-14 10:36:40,210 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 10:36:40,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-14 10:36:40,210 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 10:36:40,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-04-14 10:36:40,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:36:40,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-04-14 10:36:40,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:36:40,210 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 10:36:40,210 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:36:40,211 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:36:40,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1099917870, now seen corresponding path program 1 times [2025-04-14 10:36:40,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:36:40,211 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117622778] [2025-04-14 10:36:40,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:36:40,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:36:40,218 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-04-14 10:36:40,229 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-04-14 10:36:40,229 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:36:40,229 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:36:40,329 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:36:40,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:36:40,329 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117622778] [2025-04-14 10:36:40,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117622778] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 10:36:40,329 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259105109] [2025-04-14 10:36:40,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:36:40,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:36:40,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 10:36:40,336 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 10:36:40,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-04-14 10:36:40,377 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-04-14 10:36:40,393 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-04-14 10:36:40,393 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:36:40,393 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:36:40,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-04-14 10:36:40,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 10:36:40,448 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:36:40,451 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 10:36:40,477 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:36:40,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [259105109] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 10:36:40,477 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 10:36:40,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-04-14 10:36:40,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036994298] [2025-04-14 10:36:40,478 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 10:36:40,478 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-04-14 10:36:40,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:36:40,479 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-04-14 10:36:40,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-04-14 10:36:40,479 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:36:40,479 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:36:40,479 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 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) [2025-04-14 10:36:40,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:36:40,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:36:40,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:36:40,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:36:40,542 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-04-14 10:36:40,737 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-04-14 10:36:40,737 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 10:36:40,737 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:36:40,737 INFO L139 ounterexampleChecker]: Examining path program with hash -1831457800, occurence #3 [2025-04-14 10:36:40,737 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 10:36:40,738 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 10:36:40,738 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:36:40,738 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-04-14 10:36:40,738 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:36:40,738 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-14 10:36:40,738 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 10:36:40,738 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-14 10:36:40,738 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 10:36:40,738 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-04-14 10:36:40,738 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:36:40,738 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-04-14 10:36:40,738 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:36:40,738 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 10:36:40,738 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:36:40,739 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:36:40,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1414699802, now seen corresponding path program 2 times [2025-04-14 10:36:40,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:36:40,739 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085523056] [2025-04-14 10:36:40,739 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 10:36:40,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:36:40,751 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 49 statements into 2 equivalence classes. [2025-04-14 10:36:40,782 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 49 of 49 statements. [2025-04-14 10:36:40,783 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 10:36:40,783 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:36:40,914 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:36:40,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:36:40,914 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085523056] [2025-04-14 10:36:40,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085523056] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 10:36:40,914 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769097621] [2025-04-14 10:36:40,914 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 10:36:40,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:36:40,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 10:36:40,917 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 10:36:40,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-04-14 10:36:40,958 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 49 statements into 2 equivalence classes. [2025-04-14 10:36:40,989 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 49 of 49 statements. [2025-04-14 10:36:40,989 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 10:36:40,989 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:36:40,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-04-14 10:36:40,992 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 10:36:41,050 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:36:41,050 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 10:36:41,135 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:36:41,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [769097621] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 10:36:41,135 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 10:36:41,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2025-04-14 10:36:41,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690222109] [2025-04-14 10:36:41,135 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 10:36:41,136 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-04-14 10:36:41,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:36:41,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-04-14 10:36:41,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-04-14 10:36:41,136 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:36:41,136 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:36:41,137 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.153846153846154) internal successors, (93), 13 states have internal predecessors, (93), 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) [2025-04-14 10:36:41,137 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:36:41,137 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:36:41,137 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:36:41,230 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:36:41,231 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:36:41,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:36:41,239 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-04-14 10:36:41,433 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:36:41,434 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 10:36:41,434 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:36:41,434 INFO L139 ounterexampleChecker]: Examining path program with hash -1831457800, occurence #4 [2025-04-14 10:36:41,434 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 10:36:41,434 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 10:36:41,434 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:36:41,434 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-04-14 10:36:41,434 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:36:41,434 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-14 10:36:41,434 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 10:36:41,434 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-14 10:36:41,434 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 10:36:41,435 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2025-04-14 10:36:41,435 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:36:41,435 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-04-14 10:36:41,435 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:36:41,435 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 10:36:41,435 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:36:41,435 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:36:41,435 INFO L85 PathProgramCache]: Analyzing trace with hash 286974438, now seen corresponding path program 3 times [2025-04-14 10:36:41,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:36:41,435 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489389718] [2025-04-14 10:36:41,435 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 10:36:41,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:36:41,444 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 91 statements into 11 equivalence classes. [2025-04-14 10:36:41,542 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 91 of 91 statements. [2025-04-14 10:36:41,542 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-04-14 10:36:41,542 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:36:41,806 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:36:41,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:36:41,806 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489389718] [2025-04-14 10:36:41,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489389718] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 10:36:41,806 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968033272] [2025-04-14 10:36:41,806 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 10:36:41,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:36:41,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 10:36:41,810 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 10:36:41,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-04-14 10:36:41,862 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 91 statements into 11 equivalence classes. [2025-04-14 10:36:41,895 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 91 of 91 statements. [2025-04-14 10:36:41,896 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-04-14 10:36:41,896 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:36:41,897 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-04-14 10:36:41,899 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 10:36:42,090 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 385 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:36:42,090 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-14 10:36:42,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968033272] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:36:42,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-14 10:36:42,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 24 [2025-04-14 10:36:42,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573664367] [2025-04-14 10:36:42,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:36:42,090 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-04-14 10:36:42,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:36:42,091 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-04-14 10:36:42,091 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2025-04-14 10:36:42,091 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:36:42,091 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:36:42,092 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.0) internal successors, (91), 13 states have internal predecessors, (91), 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) [2025-04-14 10:36:42,092 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:36:42,092 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:36:42,092 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:36:42,092 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:36:42,213 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:36:42,213 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:36:42,213 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:36:42,213 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:36:42,219 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-04-14 10:36:42,414 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:36:42,414 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 10:36:42,414 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:36:42,414 INFO L139 ounterexampleChecker]: Examining path program with hash -851591519, occurence #1 [2025-04-14 10:36:42,414 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:36:42,414 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:36:42,415 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:36:42,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1035882749, now seen corresponding path program 1 times [2025-04-14 10:36:42,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:36:42,415 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200147472] [2025-04-14 10:36:42,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:36:42,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:36:42,422 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-04-14 10:36:42,431 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-04-14 10:36:42,431 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:36:42,431 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:36:42,655 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 178 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:36:42,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:36:42,656 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200147472] [2025-04-14 10:36:42,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200147472] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 10:36:42,656 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042230177] [2025-04-14 10:36:42,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:36:42,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:36:42,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 10:36:42,658 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 10:36:42,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-04-14 10:36:42,694 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-04-14 10:36:42,718 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-04-14 10:36:42,718 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:36:42,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:36:42,720 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-14 10:36:42,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 10:36:42,832 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-04-14 10:36:42,832 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-14 10:36:42,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2042230177] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:36:42,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-14 10:36:42,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [13] total 21 [2025-04-14 10:36:42,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115656864] [2025-04-14 10:36:42,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:36:42,833 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-04-14 10:36:42,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:36:42,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-04-14 10:36:42,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2025-04-14 10:36:42,834 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:36:42,834 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:36:42,834 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 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) [2025-04-14 10:36:42,834 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:36:42,834 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:36:42,834 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:36:42,834 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:36:42,834 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:36:42,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:36:42,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:36:42,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:36:42,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:36:42,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:36:42,941 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-04-14 10:36:43,135 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:36:43,135 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 10:36:43,135 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:36:43,135 INFO L139 ounterexampleChecker]: Examining path program with hash 1723204611, occurence #1 [2025-04-14 10:36:43,135 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:36:43,136 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:36:43,136 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:36:43,136 INFO L85 PathProgramCache]: Analyzing trace with hash 317542987, now seen corresponding path program 1 times [2025-04-14 10:36:43,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:36:43,136 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406452571] [2025-04-14 10:36:43,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:36:43,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:36:43,142 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-04-14 10:36:43,148 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-04-14 10:36:43,148 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:36:43,148 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:36:43,345 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:36:43,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:36:43,346 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406452571] [2025-04-14 10:36:43,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406452571] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 10:36:43,346 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1471593663] [2025-04-14 10:36:43,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:36:43,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:36:43,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 10:36:43,348 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 10:36:43,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-04-14 10:36:43,388 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-04-14 10:36:43,413 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-04-14 10:36:43,413 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:36:43,413 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:36:43,415 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-04-14 10:36:43,416 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 10:36:43,491 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:36:43,491 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 10:36:43,654 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:36:43,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1471593663] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 10:36:43,655 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 10:36:43,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 19 [2025-04-14 10:36:43,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961161210] [2025-04-14 10:36:43,655 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 10:36:43,656 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-04-14 10:36:43,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:36:43,656 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-04-14 10:36:43,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2025-04-14 10:36:43,657 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:36:43,657 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:36:43,657 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 6.105263157894737) internal successors, (116), 19 states have internal predecessors, (116), 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) [2025-04-14 10:36:43,657 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:36:43,657 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:36:43,657 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:36:43,657 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:36:43,657 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:36:43,657 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:36:43,750 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:36:43,750 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:36:43,750 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:36:43,750 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:36:43,751 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:36:43,751 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 10:36:43,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-04-14 10:36:43,951 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:36:43,951 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 10:36:43,952 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:36:43,952 INFO L139 ounterexampleChecker]: Examining path program with hash 1723204611, occurence #2 [2025-04-14 10:36:43,952 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 10:36:43,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 10:36:43,952 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:36:43,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-04-14 10:36:43,952 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:36:43,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-14 10:36:43,952 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 10:36:43,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-14 10:36:43,952 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 10:36:43,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-04-14 10:36:43,952 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:36:43,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-14 10:36:43,952 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:36:43,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-14 10:36:43,953 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:36:43,953 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 10:36:43,953 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:36:43,953 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:36:43,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1366143851, now seen corresponding path program 2 times [2025-04-14 10:36:43,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:36:43,953 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255049246] [2025-04-14 10:36:43,953 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 10:36:43,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:36:43,970 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 75 statements into 2 equivalence classes. [2025-04-14 10:36:43,992 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 75 of 75 statements. [2025-04-14 10:36:43,993 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 10:36:43,993 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:36:45,648 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 199 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:36:45,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:36:45,648 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255049246] [2025-04-14 10:36:45,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255049246] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 10:36:45,648 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025905224] [2025-04-14 10:36:45,648 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 10:36:45,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:36:45,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 10:36:45,650 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 10:36:45,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-04-14 10:36:45,686 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 75 statements into 2 equivalence classes. [2025-04-14 10:36:45,714 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 75 of 75 statements. [2025-04-14 10:36:45,714 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 10:36:45,714 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:36:45,721 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 73 conjuncts are in the unsatisfiable core [2025-04-14 10:36:45,723 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 10:36:47,616 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 28 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:36:47,616 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 10:36:49,910 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 199 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:36:49,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2025905224] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 10:36:49,911 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 10:36:49,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 108 [2025-04-14 10:36:49,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401620185] [2025-04-14 10:36:49,911 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 10:36:49,911 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 109 states [2025-04-14 10:36:49,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:36:49,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2025-04-14 10:36:49,920 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1124, Invalid=10648, Unknown=0, NotChecked=0, Total=11772 [2025-04-14 10:36:49,920 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:36:49,920 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:36:49,920 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 109 states, 109 states have (on average 2.0458715596330275) internal successors, (223), 108 states have internal predecessors, (223), 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) [2025-04-14 10:36:49,920 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:36:49,920 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:36:49,920 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:36:49,920 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:36:49,920 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:36:49,920 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 10:36:49,921 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:37:05,971 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:37:05,971 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:37:05,971 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:37:05,971 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:37:05,971 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:37:05,971 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 10:37:05,972 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2025-04-14 10:37:05,978 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-04-14 10:37:06,173 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:37:06,173 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 10:37:06,174 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:37:06,174 INFO L139 ounterexampleChecker]: Examining path program with hash -918273921, occurence #1 [2025-04-14 10:37:06,174 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:37:06,174 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:37:06,174 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:37:06,174 INFO L85 PathProgramCache]: Analyzing trace with hash 935375489, now seen corresponding path program 3 times [2025-04-14 10:37:06,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:37:06,174 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937011066] [2025-04-14 10:37:06,174 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 10:37:06,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:37:06,180 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 75 statements into 7 equivalence classes. [2025-04-14 10:37:06,211 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 75 of 75 statements. [2025-04-14 10:37:06,211 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-04-14 10:37:06,211 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:37:07,609 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:37:07,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:37:07,610 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937011066] [2025-04-14 10:37:07,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937011066] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 10:37:07,610 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737479479] [2025-04-14 10:37:07,610 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 10:37:07,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:37:07,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 10:37:07,611 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 10:37:07,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-04-14 10:37:07,654 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 75 statements into 7 equivalence classes. [2025-04-14 10:37:07,685 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 75 of 75 statements. [2025-04-14 10:37:07,685 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-04-14 10:37:07,685 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:37:07,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 73 conjuncts are in the unsatisfiable core [2025-04-14 10:37:07,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 10:37:09,281 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 21 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:37:09,282 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 10:37:11,413 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:37:11,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1737479479] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 10:37:11,413 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 10:37:11,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 109 [2025-04-14 10:37:11,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10686977] [2025-04-14 10:37:11,413 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 10:37:11,415 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 110 states [2025-04-14 10:37:11,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:37:11,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2025-04-14 10:37:11,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1090, Invalid=10900, Unknown=0, NotChecked=0, Total=11990 [2025-04-14 10:37:11,418 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:37:11,418 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:37:11,419 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 110 states, 110 states have (on average 2.0272727272727273) internal successors, (223), 109 states have internal predecessors, (223), 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) [2025-04-14 10:37:11,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:37:11,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:37:11,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:37:11,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:37:11,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:37:11,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 10:37:11,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2025-04-14 10:37:11,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:37:39,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:37:39,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:37:39,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:37:39,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:37:39,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:37:39,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 10:37:39,211 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2025-04-14 10:37:39,212 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2025-04-14 10:37:39,218 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-04-14 10:37:39,412 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2025-04-14 10:37:39,412 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 10:37:39,412 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:37:39,412 INFO L139 ounterexampleChecker]: Examining path program with hash 2084095273, occurence #1 [2025-04-14 10:37:39,412 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:37:39,412 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:37:39,413 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:37:39,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1246823573, now seen corresponding path program 4 times [2025-04-14 10:37:39,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:37:39,413 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098972256] [2025-04-14 10:37:39,413 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 10:37:39,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:37:39,422 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 75 statements into 2 equivalence classes. [2025-04-14 10:37:39,441 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 75 of 75 statements. [2025-04-14 10:37:39,441 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 10:37:39,441 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:37:40,681 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:37:40,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:37:40,681 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098972256] [2025-04-14 10:37:40,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098972256] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 10:37:40,681 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [972465120] [2025-04-14 10:37:40,681 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 10:37:40,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:37:40,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 10:37:40,683 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 10:37:40,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-04-14 10:37:40,719 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 75 statements into 2 equivalence classes. [2025-04-14 10:37:40,743 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 75 of 75 statements. [2025-04-14 10:37:40,743 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 10:37:40,743 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:37:40,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 73 conjuncts are in the unsatisfiable core [2025-04-14 10:37:40,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 10:37:42,420 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 28 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:37:42,420 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 10:37:44,569 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:37:44,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [972465120] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 10:37:44,569 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 10:37:44,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 109 [2025-04-14 10:37:44,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418755184] [2025-04-14 10:37:44,569 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 10:37:44,570 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 110 states [2025-04-14 10:37:44,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:37:44,571 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2025-04-14 10:37:44,573 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1061, Invalid=10929, Unknown=0, NotChecked=0, Total=11990 [2025-04-14 10:37:44,573 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:37:44,573 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:37:44,573 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 110 states, 110 states have (on average 2.0272727272727273) internal successors, (223), 109 states have internal predecessors, (223), 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) [2025-04-14 10:37:44,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:37:44,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:37:44,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:37:44,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:37:44,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:37:44,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 10:37:44,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2025-04-14 10:37:44,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2025-04-14 10:37:44,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:38:09,707 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:38:09,707 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:38:09,707 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:38:09,707 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:38:09,707 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:38:09,707 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 10:38:09,707 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2025-04-14 10:38:09,707 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2025-04-14 10:38:09,711 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2025-04-14 10:38:09,717 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-04-14 10:38:09,911 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:38:09,911 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 10:38:09,911 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:38:09,911 INFO L139 ounterexampleChecker]: Examining path program with hash -1132986268, occurence #1 [2025-04-14 10:38:09,912 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:38:09,912 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:38:09,912 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:38:09,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1256699029, now seen corresponding path program 5 times [2025-04-14 10:38:09,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:38:09,912 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847160195] [2025-04-14 10:38:09,912 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 10:38:09,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:38:09,917 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 75 statements into 7 equivalence classes. [2025-04-14 10:38:09,936 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) and asserted 75 of 75 statements. [2025-04-14 10:38:09,936 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2025-04-14 10:38:09,936 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:38:11,162 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:38:11,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:38:11,163 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847160195] [2025-04-14 10:38:11,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847160195] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 10:38:11,163 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875723037] [2025-04-14 10:38:11,163 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 10:38:11,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:38:11,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 10:38:11,165 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 10:38:11,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-04-14 10:38:11,202 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 75 statements into 7 equivalence classes. [2025-04-14 10:38:11,247 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) and asserted 75 of 75 statements. [2025-04-14 10:38:11,247 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2025-04-14 10:38:11,247 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:38:11,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 73 conjuncts are in the unsatisfiable core [2025-04-14 10:38:11,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 10:38:12,944 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 21 proven. 129 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:38:12,944 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 10:38:14,969 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:38:14,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875723037] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 10:38:14,969 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 10:38:14,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 108 [2025-04-14 10:38:14,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173689940] [2025-04-14 10:38:14,969 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 10:38:14,970 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 109 states [2025-04-14 10:38:14,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:38:14,970 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2025-04-14 10:38:14,972 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1139, Invalid=10633, Unknown=0, NotChecked=0, Total=11772 [2025-04-14 10:38:14,972 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:38:14,972 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:38:14,973 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 109 states, 109 states have (on average 2.0458715596330275) internal successors, (223), 108 states have internal predecessors, (223), 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) [2025-04-14 10:38:14,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:38:14,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:38:14,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:38:14,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:38:14,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:38:14,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 10:38:14,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2025-04-14 10:38:14,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2025-04-14 10:38:14,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2025-04-14 10:38:14,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:39:06,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:39:06,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:39:06,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:39:06,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:39:06,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:39:06,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 10:39:06,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2025-04-14 10:39:06,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2025-04-14 10:39:06,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2025-04-14 10:39:06,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2025-04-14 10:39:06,838 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-04-14 10:39:07,032 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-04-14 10:39:07,032 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 10:39:07,032 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:39:07,033 INFO L139 ounterexampleChecker]: Examining path program with hash -918273921, occurence #2 [2025-04-14 10:39:07,033 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 10:39:07,033 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 10:39:07,033 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:39:07,033 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-04-14 10:39:07,033 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:39:07,033 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-14 10:39:07,033 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 10:39:07,033 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-14 10:39:07,033 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 10:39:07,033 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-04-14 10:39:07,033 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:39:07,033 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-14 10:39:07,033 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:39:07,033 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-14 10:39:07,033 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:39:07,033 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 10:39:07,033 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:39:07,033 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:39:07,034 INFO L85 PathProgramCache]: Analyzing trace with hash -966419559, now seen corresponding path program 6 times [2025-04-14 10:39:07,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:39:07,034 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400845626] [2025-04-14 10:39:07,034 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 10:39:07,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:39:07,038 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 75 statements into 7 equivalence classes. [2025-04-14 10:39:07,054 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) and asserted 75 of 75 statements. [2025-04-14 10:39:07,054 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2025-04-14 10:39:07,054 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:39:08,162 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:39:08,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:39:08,163 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400845626] [2025-04-14 10:39:08,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400845626] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 10:39:08,163 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803221388] [2025-04-14 10:39:08,163 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 10:39:08,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:39:08,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 10:39:08,165 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 10:39:08,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-04-14 10:39:08,198 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 75 statements into 7 equivalence classes. [2025-04-14 10:39:08,222 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) and asserted 75 of 75 statements. [2025-04-14 10:39:08,223 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2025-04-14 10:39:08,223 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:39:08,224 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 73 conjuncts are in the unsatisfiable core [2025-04-14 10:39:08,226 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 10:39:09,787 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 21 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:39:09,787 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 10:39:11,743 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:39:11,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803221388] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 10:39:11,743 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 10:39:11,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 109 [2025-04-14 10:39:11,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100835832] [2025-04-14 10:39:11,744 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 10:39:11,744 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 110 states [2025-04-14 10:39:11,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:39:11,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2025-04-14 10:39:11,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1086, Invalid=10904, Unknown=0, NotChecked=0, Total=11990 [2025-04-14 10:39:11,747 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:39:11,747 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:39:11,747 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 110 states, 110 states have (on average 2.0272727272727273) internal successors, (223), 109 states have internal predecessors, (223), 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) [2025-04-14 10:39:11,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:39:11,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:39:11,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:39:11,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:39:11,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:39:11,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 10:39:11,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states. [2025-04-14 10:39:11,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2025-04-14 10:39:11,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. [2025-04-14 10:39:11,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2025-04-14 10:39:11,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:40:52,127 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:40:52,127 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:40:52,127 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:40:52,127 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:40:52,127 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:40:52,127 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 10:40:52,127 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 276 states. [2025-04-14 10:40:52,128 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 239 states. [2025-04-14 10:40:52,128 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2025-04-14 10:40:52,128 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 210 states. [2025-04-14 10:40:52,128 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2025-04-14 10:40:52,133 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-04-14 10:40:52,328 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-04-14 10:40:52,328 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 10:40:52,328 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:40:52,329 INFO L139 ounterexampleChecker]: Examining path program with hash 2084095273, occurence #2 [2025-04-14 10:40:52,329 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 10:40:52,329 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 10:40:52,329 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:40:52,329 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-04-14 10:40:52,329 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:40:52,329 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-14 10:40:52,329 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 10:40:52,329 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-14 10:40:52,329 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 10:40:52,329 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-14 10:40:52,335 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:40:52,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1033709524, now seen corresponding path program 1 times [2025-04-14 10:40:52,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 10:40:52,336 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526405670] [2025-04-14 10:40:52,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:40:52,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:40:52,338 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-04-14 10:40:52,341 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-04-14 10:40:52,341 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:40:52,343 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 10:40:52,344 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 10:40:52,344 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 10:40:52,344 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 54 is hopeless, skipping. [2025-04-14 10:40:52,344 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-04-14 10:40:52,344 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:40:52,344 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-14 10:40:52,344 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:40:52,344 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-14 10:40:52,344 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:40:52,344 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 10:40:52,344 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:40:52,345 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:40:52,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1932925675, now seen corresponding path program 7 times [2025-04-14 10:40:52,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:40:52,345 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293023326] [2025-04-14 10:40:52,345 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 10:40:52,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:40:52,349 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-04-14 10:40:52,358 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-04-14 10:40:52,358 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:40:52,358 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:40:53,398 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:40:53,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:40:53,398 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293023326] [2025-04-14 10:40:53,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293023326] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 10:40:53,398 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [762216702] [2025-04-14 10:40:53,398 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 10:40:53,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:40:53,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 10:40:53,400 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 10:40:53,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-04-14 10:40:53,435 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-04-14 10:40:53,458 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-04-14 10:40:53,458 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:40:53,458 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:40:53,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 73 conjuncts are in the unsatisfiable core [2025-04-14 10:40:53,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 10:40:54,967 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 28 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:40:54,968 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 10:40:56,988 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:40:56,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [762216702] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 10:40:56,988 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 10:40:56,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 108 [2025-04-14 10:40:56,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541820746] [2025-04-14 10:40:56,988 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 10:40:56,989 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 109 states [2025-04-14 10:40:56,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:40:56,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2025-04-14 10:40:56,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1135, Invalid=10637, Unknown=0, NotChecked=0, Total=11772 [2025-04-14 10:40:56,994 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:40:56,994 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:40:56,994 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 109 states, 109 states have (on average 2.0458715596330275) internal successors, (223), 108 states have internal predecessors, (223), 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) [2025-04-14 10:40:56,994 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:40:56,995 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:40:56,995 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:40:56,995 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:40:56,995 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:40:56,995 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 10:40:56,995 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 276 states. [2025-04-14 10:40:56,995 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 239 states. [2025-04-14 10:40:56,995 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 303 states. [2025-04-14 10:40:56,995 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 210 states. [2025-04-14 10:40:56,995 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2025-04-14 10:40:56,995 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:41:50,009 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:41:50,009 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:41:50,009 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:41:50,009 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:41:50,009 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:41:50,009 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 10:41:50,009 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 290 states. [2025-04-14 10:41:50,009 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 273 states. [2025-04-14 10:41:50,009 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 308 states. [2025-04-14 10:41:50,009 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2025-04-14 10:41:50,009 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2025-04-14 10:41:50,009 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 253 states. [2025-04-14 10:41:50,016 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-04-14 10:41:50,210 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12 [2025-04-14 10:41:50,210 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 10:41:50,210 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:41:50,210 INFO L139 ounterexampleChecker]: Examining path program with hash 2084095273, occurence #3 [2025-04-14 10:41:50,210 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 10:41:50,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 10:41:50,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:41:50,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-04-14 10:41:50,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:41:50,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-14 10:41:50,210 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 10:41:50,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-14 10:41:50,210 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 10:41:50,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-14 10:41:50,214 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:41:50,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1033709409, now seen corresponding path program 1 times [2025-04-14 10:41:50,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 10:41:50,214 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643717003] [2025-04-14 10:41:50,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:41:50,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:41:50,217 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-04-14 10:41:50,219 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-04-14 10:41:50,219 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:41:50,219 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 10:41:50,220 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 10:41:50,220 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 10:41:50,220 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 47 is hopeless, skipping. [2025-04-14 10:41:50,220 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-04-14 10:41:50,220 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:41:50,220 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-14 10:41:50,220 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:41:50,220 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-14 10:41:50,220 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:41:50,220 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 10:41:50,220 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:41:50,220 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:41:50,220 INFO L85 PathProgramCache]: Analyzing trace with hash 648768363, now seen corresponding path program 8 times [2025-04-14 10:41:50,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:41:50,220 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774172463] [2025-04-14 10:41:50,220 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 10:41:50,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:41:50,223 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 75 statements into 2 equivalence classes. [2025-04-14 10:41:50,229 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 75 of 75 statements. [2025-04-14 10:41:50,230 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 10:41:50,230 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:41:51,234 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:41:51,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:41:51,234 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774172463] [2025-04-14 10:41:51,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774172463] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 10:41:51,234 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1238667953] [2025-04-14 10:41:51,234 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 10:41:51,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:41:51,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 10:41:51,236 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 10:41:51,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-04-14 10:41:51,271 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 75 statements into 2 equivalence classes. [2025-04-14 10:41:51,296 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 75 of 75 statements. [2025-04-14 10:41:51,297 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 10:41:51,297 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:41:51,298 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 73 conjuncts are in the unsatisfiable core [2025-04-14 10:41:51,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 10:41:52,788 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 28 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:41:52,788 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 10:41:54,752 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:41:54,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1238667953] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 10:41:54,752 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 10:41:54,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 108 [2025-04-14 10:41:54,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928461220] [2025-04-14 10:41:54,753 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 10:41:54,753 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 109 states [2025-04-14 10:41:54,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:41:54,754 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2025-04-14 10:41:54,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1116, Invalid=10656, Unknown=0, NotChecked=0, Total=11772 [2025-04-14 10:41:54,755 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:41:54,755 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:41:54,755 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 109 states, 109 states have (on average 2.0458715596330275) internal successors, (223), 108 states have internal predecessors, (223), 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) [2025-04-14 10:41:54,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:41:54,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:41:54,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:41:54,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:41:54,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:41:54,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 10:41:54,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 290 states. [2025-04-14 10:41:54,756 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 273 states. [2025-04-14 10:41:54,756 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 308 states. [2025-04-14 10:41:54,756 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2025-04-14 10:41:54,756 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2025-04-14 10:41:54,756 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 253 states. [2025-04-14 10:41:54,756 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:43:00,754 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:43:00,754 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:43:00,754 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:43:00,754 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:43:00,754 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:43:00,754 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 10:43:00,754 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 308 states. [2025-04-14 10:43:00,754 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2025-04-14 10:43:00,754 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 316 states. [2025-04-14 10:43:00,754 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2025-04-14 10:43:00,754 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 217 states. [2025-04-14 10:43:00,754 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 280 states. [2025-04-14 10:43:00,754 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 261 states. [2025-04-14 10:43:00,760 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-04-14 10:43:00,955 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14 [2025-04-14 10:43:00,955 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 10:43:00,955 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:43:00,955 INFO L139 ounterexampleChecker]: Examining path program with hash -1132986268, occurence #2 [2025-04-14 10:43:00,955 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 10:43:00,955 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 10:43:00,955 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:43:00,955 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-04-14 10:43:00,955 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:43:00,955 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-14 10:43:00,955 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 10:43:00,955 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-14 10:43:00,956 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 10:43:00,956 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2025-04-14 10:43:00,960 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:43:00,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1727440803, now seen corresponding path program 1 times [2025-04-14 10:43:00,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 10:43:00,960 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950101720] [2025-04-14 10:43:00,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:43:00,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:43:00,963 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-04-14 10:43:00,967 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-04-14 10:43:00,967 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:43:00,967 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 10:43:00,967 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 10:43:00,967 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 10:43:00,968 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-04-14 10:43:00,968 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:43:00,968 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-14 10:43:00,968 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:43:00,968 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-14 10:43:00,968 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:43:00,968 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 10:43:00,968 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:43:00,968 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:43:00,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1458982681, now seen corresponding path program 9 times [2025-04-14 10:43:00,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:43:00,968 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873506963] [2025-04-14 10:43:00,968 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 10:43:00,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:43:00,972 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 75 statements into 6 equivalence classes. [2025-04-14 10:43:00,988 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 75 of 75 statements. [2025-04-14 10:43:00,989 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-04-14 10:43:00,989 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:43:01,976 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:43:01,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:43:01,976 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873506963] [2025-04-14 10:43:01,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873506963] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 10:43:01,976 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832146494] [2025-04-14 10:43:01,976 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 10:43:01,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:43:01,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 10:43:01,978 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 10:43:01,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-04-14 10:43:02,012 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 75 statements into 6 equivalence classes. [2025-04-14 10:43:02,036 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 75 of 75 statements. [2025-04-14 10:43:02,036 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-04-14 10:43:02,036 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:43:02,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 73 conjuncts are in the unsatisfiable core [2025-04-14 10:43:02,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 10:43:03,623 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 21 proven. 129 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:43:03,623 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 10:43:05,668 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:43:05,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [832146494] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 10:43:05,668 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 10:43:05,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 109 [2025-04-14 10:43:05,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163680895] [2025-04-14 10:43:05,668 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 10:43:05,669 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 110 states [2025-04-14 10:43:05,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:43:05,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2025-04-14 10:43:05,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1158, Invalid=10832, Unknown=0, NotChecked=0, Total=11990 [2025-04-14 10:43:05,670 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:43:05,670 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:43:05,671 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 110 states, 110 states have (on average 2.0272727272727273) internal successors, (223), 109 states have internal predecessors, (223), 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) [2025-04-14 10:43:05,671 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:43:05,671 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:43:05,671 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:43:05,671 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:43:05,671 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:43:05,671 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 10:43:05,671 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 308 states. [2025-04-14 10:43:05,671 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 281 states. [2025-04-14 10:43:05,671 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 316 states. [2025-04-14 10:43:05,671 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 240 states. [2025-04-14 10:43:05,671 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 217 states. [2025-04-14 10:43:05,671 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 280 states. [2025-04-14 10:43:05,671 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 261 states. [2025-04-14 10:43:05,671 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:45:25,743 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:45:25,743 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:45:25,743 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:45:25,743 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:45:25,743 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:45:25,743 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 10:45:25,743 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 356 states. [2025-04-14 10:45:25,743 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 315 states. [2025-04-14 10:45:25,744 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 385 states. [2025-04-14 10:45:25,744 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 310 states. [2025-04-14 10:45:25,744 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 261 states. [2025-04-14 10:45:25,744 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 373 states. [2025-04-14 10:45:25,744 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 347 states. [2025-04-14 10:45:25,744 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 270 states. [2025-04-14 10:45:25,750 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-04-14 10:45:25,944 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:45:25,944 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 10:45:25,944 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:45:25,945 INFO L139 ounterexampleChecker]: Examining path program with hash -918273921, occurence #3 [2025-04-14 10:45:25,945 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 10:45:25,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 10:45:25,945 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:45:25,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-04-14 10:45:25,945 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:45:25,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-14 10:45:25,945 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 10:45:25,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-14 10:45:25,945 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 10:45:25,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-04-14 10:45:25,945 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:45:25,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-14 10:45:25,945 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:45:25,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-14 10:45:25,945 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:45:25,945 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 10:45:25,945 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:45:25,945 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:45:25,945 INFO L85 PathProgramCache]: Analyzing trace with hash -432748671, now seen corresponding path program 10 times [2025-04-14 10:45:25,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:45:25,945 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372340964] [2025-04-14 10:45:25,946 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 10:45:25,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:45:25,949 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 75 statements into 2 equivalence classes. [2025-04-14 10:45:25,955 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 75 of 75 statements. [2025-04-14 10:45:25,955 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 10:45:25,955 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:45:27,315 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:45:27,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:45:27,315 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372340964] [2025-04-14 10:45:27,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372340964] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 10:45:27,315 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924754004] [2025-04-14 10:45:27,315 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 10:45:27,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:45:27,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 10:45:27,317 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 10:45:27,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-04-14 10:45:27,356 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 75 statements into 2 equivalence classes. [2025-04-14 10:45:27,383 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 75 of 75 statements. [2025-04-14 10:45:27,383 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 10:45:27,383 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:45:27,389 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 73 conjuncts are in the unsatisfiable core [2025-04-14 10:45:27,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 10:45:29,108 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 21 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:45:29,109 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 10:45:31,168 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:45:31,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1924754004] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 10:45:31,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 10:45:31,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 109 [2025-04-14 10:45:31,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129877305] [2025-04-14 10:45:31,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 10:45:31,169 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 110 states [2025-04-14 10:45:31,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:45:31,169 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2025-04-14 10:45:31,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1049, Invalid=10941, Unknown=0, NotChecked=0, Total=11990 [2025-04-14 10:45:31,170 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:45:31,170 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:45:31,170 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 110 states, 110 states have (on average 2.0272727272727273) internal successors, (223), 109 states have internal predecessors, (223), 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) [2025-04-14 10:45:31,171 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:45:31,171 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:45:31,171 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:45:31,171 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:45:31,171 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:45:31,171 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 10:45:31,171 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 356 states. [2025-04-14 10:45:31,171 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 315 states. [2025-04-14 10:45:31,171 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 385 states. [2025-04-14 10:45:31,171 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 310 states. [2025-04-14 10:45:31,171 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 261 states. [2025-04-14 10:45:31,171 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 373 states. [2025-04-14 10:45:31,171 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 347 states. [2025-04-14 10:45:31,171 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 270 states. [2025-04-14 10:45:31,171 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:46:37,977 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:46:37,977 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:46:37,978 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:46:37,978 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:46:37,978 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:46:37,978 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 10:46:37,978 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 358 states. [2025-04-14 10:46:37,978 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 321 states. [2025-04-14 10:46:37,978 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 391 states. [2025-04-14 10:46:37,978 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 312 states. [2025-04-14 10:46:37,978 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 290 states. [2025-04-14 10:46:37,978 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 399 states. [2025-04-14 10:46:37,978 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 374 states. [2025-04-14 10:46:37,978 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 275 states. [2025-04-14 10:46:37,979 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2025-04-14 10:46:37,984 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-04-14 10:46:38,179 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-04-14 10:46:38,179 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 10:46:38,179 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:46:38,180 INFO L139 ounterexampleChecker]: Examining path program with hash -557383259, occurence #1 [2025-04-14 10:46:38,180 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:46:38,180 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:46:38,180 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:46:38,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1358004351, now seen corresponding path program 11 times [2025-04-14 10:46:38,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:46:38,180 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245145637] [2025-04-14 10:46:38,180 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 10:46:38,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:46:38,185 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 75 statements into 6 equivalence classes. [2025-04-14 10:46:38,200 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 75 of 75 statements. [2025-04-14 10:46:38,200 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-04-14 10:46:38,200 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:46:39,248 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:46:39,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:46:39,248 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245145637] [2025-04-14 10:46:39,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245145637] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 10:46:39,248 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1728677588] [2025-04-14 10:46:39,248 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 10:46:39,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:46:39,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 10:46:39,250 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 10:46:39,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-04-14 10:46:39,317 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 75 statements into 6 equivalence classes. [2025-04-14 10:46:39,340 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 75 of 75 statements. [2025-04-14 10:46:39,340 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-04-14 10:46:39,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:46:39,342 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 73 conjuncts are in the unsatisfiable core [2025-04-14 10:46:39,343 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 10:46:40,927 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 21 proven. 107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:46:40,928 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 10:46:42,890 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:46:42,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1728677588] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 10:46:42,891 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 10:46:42,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 108 [2025-04-14 10:46:42,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688118386] [2025-04-14 10:46:42,891 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 10:46:42,891 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 109 states [2025-04-14 10:46:42,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:46:42,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2025-04-14 10:46:42,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1111, Invalid=10661, Unknown=0, NotChecked=0, Total=11772 [2025-04-14 10:46:42,893 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:46:42,893 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:46:42,893 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 109 states, 109 states have (on average 2.0458715596330275) internal successors, (223), 108 states have internal predecessors, (223), 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) [2025-04-14 10:46:42,893 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:46:42,893 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:46:42,893 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:46:42,893 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:46:42,893 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:46:42,893 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 10:46:42,893 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 358 states. [2025-04-14 10:46:42,893 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 321 states. [2025-04-14 10:46:42,893 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 391 states. [2025-04-14 10:46:42,893 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 312 states. [2025-04-14 10:46:42,893 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 290 states. [2025-04-14 10:46:42,893 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 399 states. [2025-04-14 10:46:42,893 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 374 states. [2025-04-14 10:46:42,893 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 275 states. [2025-04-14 10:46:42,893 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. [2025-04-14 10:46:42,893 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:49:26,385 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:49:26,385 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:49:26,385 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:49:26,386 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:49:26,386 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:49:26,386 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 10:49:26,386 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 365 states. [2025-04-14 10:49:26,387 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 346 states. [2025-04-14 10:49:26,387 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 417 states. [2025-04-14 10:49:26,387 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 345 states. [2025-04-14 10:49:26,387 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 315 states. [2025-04-14 10:49:26,387 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 436 states. [2025-04-14 10:49:26,389 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 427 states. [2025-04-14 10:49:26,389 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 374 states. [2025-04-14 10:49:26,389 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 295 states. [2025-04-14 10:49:26,389 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 349 states. [2025-04-14 10:49:26,396 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-04-14 10:49:26,590 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:49:26,590 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 10:49:26,590 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:49:26,591 INFO L139 ounterexampleChecker]: Examining path program with hash -557383259, occurence #2 [2025-04-14 10:49:26,592 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 10:49:26,592 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 10:49:26,592 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:49:26,592 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-04-14 10:49:26,592 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:49:26,592 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-14 10:49:26,592 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 10:49:26,592 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-14 10:49:26,592 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 10:49:26,593 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-14 10:49:26,602 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:49:26,606 INFO L85 PathProgramCache]: Analyzing trace with hash -720434821, now seen corresponding path program 1 times [2025-04-14 10:49:26,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 10:49:26,606 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532002477] [2025-04-14 10:49:26,606 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:49:26,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:49:26,628 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-04-14 10:49:26,706 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-04-14 10:49:26,706 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:49:26,706 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 10:49:26,712 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 10:49:26,712 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 10:49:26,712 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-04-14 10:49:26,713 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:49:26,713 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-14 10:49:26,713 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:49:26,713 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-14 10:49:26,713 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:49:26,713 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 10:49:26,713 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:49:26,713 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:49:26,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1546630501, now seen corresponding path program 12 times [2025-04-14 10:49:26,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:49:26,714 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295724096] [2025-04-14 10:49:26,714 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 10:49:26,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:49:26,731 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 75 statements into 6 equivalence classes. [2025-04-14 10:49:26,826 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) and asserted 75 of 75 statements. [2025-04-14 10:49:26,826 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2025-04-14 10:49:26,826 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:49:28,730 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:49:28,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:49:28,731 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295724096] [2025-04-14 10:49:28,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295724096] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 10:49:28,731 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872112110] [2025-04-14 10:49:28,731 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 10:49:28,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:49:28,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 10:49:28,736 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 10:49:28,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-04-14 10:49:28,788 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 75 statements into 6 equivalence classes. [2025-04-14 10:49:28,823 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) and asserted 75 of 75 statements. [2025-04-14 10:49:28,823 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2025-04-14 10:49:28,823 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:49:28,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 73 conjuncts are in the unsatisfiable core [2025-04-14 10:49:28,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 10:49:30,822 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 15 proven. 94 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:49:30,823 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 10:49:33,380 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:49:33,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872112110] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 10:49:33,380 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 10:49:33,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 109 [2025-04-14 10:49:33,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035584441] [2025-04-14 10:49:33,381 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 10:49:33,381 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 110 states [2025-04-14 10:49:33,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:49:33,383 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2025-04-14 10:49:33,385 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1174, Invalid=10816, Unknown=0, NotChecked=0, Total=11990 [2025-04-14 10:49:33,385 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:49:33,385 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:49:33,385 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 110 states, 110 states have (on average 2.0272727272727273) internal successors, (223), 109 states have internal predecessors, (223), 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) [2025-04-14 10:49:33,386 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:49:33,386 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 10:49:33,386 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 10:49:33,386 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:49:33,386 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-14 10:49:33,386 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 10:49:33,386 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 365 states. [2025-04-14 10:49:33,386 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 346 states. [2025-04-14 10:49:33,386 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 417 states. [2025-04-14 10:49:33,386 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 345 states. [2025-04-14 10:49:33,386 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 315 states. [2025-04-14 10:49:33,386 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 436 states. [2025-04-14 10:49:33,386 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 427 states. [2025-04-14 10:49:33,386 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 374 states. [2025-04-14 10:49:33,386 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 295 states. [2025-04-14 10:49:33,386 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 349 states. [2025-04-14 10:49:33,386 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2025-04-14 10:50:10,959 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-14 10:50:10,959 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-14 10:50:10,959 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-14 10:50:10,987 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-04-14 10:50:11,185 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:50:11,185 WARN L610 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-55-1 term,while SimplifyDDA2 was simplifying 52 xjuncts wrt. a ATOM-1 context. [2025-04-14 10:50:11,188 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2025-04-14 10:50:11,189 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2025-04-14 10:50:11,189 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2025-04-14 10:50:11,208 INFO L422 BasicCegarLoop]: Path program histogram: [12, 3, 1, 1] [2025-04-14 10:50:11,219 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-14 10:50:11,220 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-14 10:50:11,243 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-04-14 10:50:11,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.04 10:50:11 BasicIcfg [2025-04-14 10:50:11,244 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-14 10:50:11,245 INFO L158 Benchmark]: Toolchain (without parser) took 812614.01ms. Allocated memory was 125.8MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 84.2MB in the beginning and 286.6MB in the end (delta: -202.4MB). Peak memory consumption was 892.0MB. Max. memory is 8.0GB. [2025-04-14 10:50:11,246 INFO L158 Benchmark]: CDTParser took 0.84ms. Allocated memory is still 159.4MB. Free memory is still 86.7MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 10:50:11,246 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.37ms. Allocated memory is still 125.8MB. Free memory was 84.2MB in the beginning and 62.3MB in the end (delta: 21.9MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2025-04-14 10:50:11,246 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.83ms. Allocated memory is still 125.8MB. Free memory was 62.3MB in the beginning and 60.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 10:50:11,247 INFO L158 Benchmark]: Boogie Preprocessor took 22.33ms. Allocated memory is still 125.8MB. Free memory was 60.3MB in the beginning and 59.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 10:50:11,247 INFO L158 Benchmark]: RCFGBuilder took 376.18ms. Allocated memory is still 125.8MB. Free memory was 59.0MB in the beginning and 38.8MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2025-04-14 10:50:11,249 INFO L158 Benchmark]: TraceAbstraction took 811821.96ms. Allocated memory was 125.8MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 38.1MB in the beginning and 286.6MB in the end (delta: -248.4MB). Peak memory consumption was 845.9MB. Max. memory is 8.0GB. [2025-04-14 10:50:11,251 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84ms. Allocated memory is still 159.4MB. Free memory is still 86.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 353.37ms. Allocated memory is still 125.8MB. Free memory was 84.2MB in the beginning and 62.3MB in the end (delta: 21.9MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.83ms. Allocated memory is still 125.8MB. Free memory was 62.3MB in the beginning and 60.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 22.33ms. Allocated memory is still 125.8MB. Free memory was 60.3MB in the beginning and 59.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 376.18ms. Allocated memory is still 125.8MB. Free memory was 59.0MB in the beginning and 38.8MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 811821.96ms. Allocated memory was 125.8MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 38.1MB in the beginning and 286.6MB in the end (delta: -248.4MB). Peak memory consumption was 845.9MB. 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: 295653, independent: 215451, independent conditional: 215172, independent unconditional: 279, dependent: 80202, dependent conditional: 80195, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 216358, independent: 215451, independent conditional: 215172, independent unconditional: 279, dependent: 907, dependent conditional: 900, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 216358, independent: 215451, independent conditional: 215172, independent unconditional: 279, dependent: 907, dependent conditional: 900, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 231310, independent: 215451, independent conditional: 215172, independent unconditional: 279, dependent: 15859, dependent conditional: 15852, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 231310, independent: 215451, independent conditional: 1289, independent unconditional: 214162, dependent: 15859, dependent conditional: 9642, dependent unconditional: 6217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 231310, independent: 215451, independent conditional: 1289, independent unconditional: 214162, dependent: 15859, dependent conditional: 9642, dependent unconditional: 6217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 778, independent: 302, independent conditional: 54, independent unconditional: 248, dependent: 476, dependent conditional: 469, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 778, independent: 246, independent conditional: 0, independent unconditional: 246, dependent: 532, dependent conditional: 0, dependent unconditional: 532, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 532, independent: 56, independent conditional: 54, independent unconditional: 2, dependent: 476, dependent conditional: 469, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 532, independent: 56, independent conditional: 54, independent unconditional: 2, dependent: 476, dependent conditional: 469, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3146, independent: 575, independent conditional: 516, independent unconditional: 59, dependent: 2570, dependent conditional: 2358, dependent unconditional: 212, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 4, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 231310, independent: 215149, independent conditional: 1235, independent unconditional: 213914, dependent: 15383, dependent conditional: 9173, dependent unconditional: 6210, unknown: 778, unknown conditional: 523, unknown unconditional: 255] , Statistics on independence cache: Total cache size (in pairs): 782, Positive cache size: 306, Positive conditional cache size: 58, Positive unconditional cache size: 248, Negative cache size: 476, Negative conditional cache size: 469, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 220093, Maximal queried relation: 15, Independence queries for same thread: 79295, Persistent sets #1 benchmarks: Persistent set computation time: 0.3s, Number of persistent set computation: 109, Number of trivial persistent sets: 81, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 286, independent: 279, independent conditional: 0, independent unconditional: 279, 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: 295653, independent: 215451, independent conditional: 215172, independent unconditional: 279, dependent: 80202, dependent conditional: 80195, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 216358, independent: 215451, independent conditional: 215172, independent unconditional: 279, dependent: 907, dependent conditional: 900, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 216358, independent: 215451, independent conditional: 215172, independent unconditional: 279, dependent: 907, dependent conditional: 900, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 231310, independent: 215451, independent conditional: 215172, independent unconditional: 279, dependent: 15859, dependent conditional: 15852, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 231310, independent: 215451, independent conditional: 1289, independent unconditional: 214162, dependent: 15859, dependent conditional: 9642, dependent unconditional: 6217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 231310, independent: 215451, independent conditional: 1289, independent unconditional: 214162, dependent: 15859, dependent conditional: 9642, dependent unconditional: 6217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 778, independent: 302, independent conditional: 54, independent unconditional: 248, dependent: 476, dependent conditional: 469, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 778, independent: 246, independent conditional: 0, independent unconditional: 246, dependent: 532, dependent conditional: 0, dependent unconditional: 532, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 532, independent: 56, independent conditional: 54, independent unconditional: 2, dependent: 476, dependent conditional: 469, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 532, independent: 56, independent conditional: 54, independent unconditional: 2, dependent: 476, dependent conditional: 469, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3146, independent: 575, independent conditional: 516, independent unconditional: 59, dependent: 2570, dependent conditional: 2358, dependent unconditional: 212, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 4, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 231310, independent: 215149, independent conditional: 1235, independent unconditional: 213914, dependent: 15383, dependent conditional: 9173, dependent unconditional: 6210, unknown: 778, unknown conditional: 523, unknown unconditional: 255] , Statistics on independence cache: Total cache size (in pairs): 782, Positive cache size: 306, Positive conditional cache size: 58, Positive unconditional cache size: 248, Negative cache size: 476, Negative conditional cache size: 469, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 220093, Maximal queried relation: 15, Independence queries for same thread: 79295 - TimeoutResultAtElement [Line: 681]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-55-1 term,while SimplifyDDA2 was simplifying 52 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 720]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-55-1 term,while SimplifyDDA2 was simplifying 52 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 721]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-55-1 term,while SimplifyDDA2 was simplifying 52 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 38 locations, 41 edges, 3 error locations. Started 1 CEGAR loops. OverallTime: 811.6s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 12, EmptinessCheckTime: 749.0s, 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: 3934, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 57.3s InterpolantComputationTime, 2305 NumberOfCodeBlocks, 2305 NumberOfCodeBlocksAsserted, 129 NumberOfCheckSat, 3229 ConstructedInterpolants, 0 QuantifiedInterpolants, 55054 SizeOfPredicates, 242 NumberOfNonLiveVariables, 4814 ConjunctsInSsa, 845 ConjunctsInUnsatCore, 47 InterpolantComputations, 3 PerfectInterpolantSequences, 816/6952 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: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 168, ConditionCalculationTime [ms]: 22, ConditionCalculations: 51, QuantifiedConditions: 0, TraceChecks: 4, UnknownTraceChecks: 0, UnsatisfiedConditions: 4, ImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown