/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/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-4cc0a57-m [2025-04-14 13:15:54,988 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-14 13:15:55,040 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 13:15:55,047 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-14 13:15:55,047 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-14 13:15:55,067 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-14 13:15:55,067 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-14 13:15:55,067 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-14 13:15:55,068 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-14 13:15:55,068 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-14 13:15:55,068 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-14 13:15:55,068 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-14 13:15:55,068 INFO L153 SettingsManager]: * Use SBE=true [2025-04-14 13:15:55,069 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-14 13:15:55,069 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-14 13:15:55,069 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-14 13:15:55,069 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-14 13:15:55,069 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-14 13:15:55,069 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-14 13:15:55,069 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-14 13:15:55,069 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-14 13:15:55,069 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-14 13:15:55,069 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-14 13:15:55,069 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-14 13:15:55,069 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-14 13:15:55,069 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-14 13:15:55,069 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-14 13:15:55,069 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 13:15:55,070 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 13:15:55,070 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 13:15:55,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 13:15:55,071 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-14 13:15:55,071 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 13:15:55,071 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 13:15:55,071 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 13:15:55,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 13:15:55,071 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-14 13:15:55,071 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-14 13:15:55,071 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-14 13:15:55,071 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-14 13:15:55,071 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-14 13:15:55,071 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-14 13:15:55,071 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-14 13:15:55,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-14 13:15:55,072 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-14 13:15:55,072 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-14 13:15:55,072 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-14 13:15:55,072 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-14 13:15:55,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-14 13:15:55,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-14 13:15:55,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-14 13:15:55,266 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-14 13:15:55,267 INFO L274 PluginConnector]: CDTParser initialized [2025-04-14 13:15:55,267 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2025-04-14 13:15:56,484 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9e6750c8/7816c3b666d44f32bca8df01b9786267/FLAG72270c4c4 [2025-04-14 13:15:56,677 INFO L389 CDTParser]: Found 1 translation units. [2025-04-14 13:15:56,677 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2025-04-14 13:15:56,683 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9e6750c8/7816c3b666d44f32bca8df01b9786267/FLAG72270c4c4 [2025-04-14 13:15:57,534 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9e6750c8/7816c3b666d44f32bca8df01b9786267 [2025-04-14 13:15:57,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-14 13:15:57,538 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-14 13:15:57,538 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-14 13:15:57,538 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-14 13:15:57,541 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-14 13:15:57,541 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 01:15:57" (1/1) ... [2025-04-14 13:15:57,542 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77f1e696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:15:57, skipping insertion in model container [2025-04-14 13:15:57,542 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 01:15:57" (1/1) ... [2025-04-14 13:15:57,552 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-14 13:15:57,708 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c[2663,2676] [2025-04-14 13:15:57,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 13:15:57,720 INFO L200 MainTranslator]: Completed pre-run [2025-04-14 13:15:57,748 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c[2663,2676] [2025-04-14 13:15:57,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 13:15:57,760 INFO L204 MainTranslator]: Completed translation [2025-04-14 13:15:57,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:15:57 WrapperNode [2025-04-14 13:15:57,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-14 13:15:57,762 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-14 13:15:57,762 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-14 13:15:57,762 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-14 13:15:57,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:15:57" (1/1) ... [2025-04-14 13:15:57,774 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:15:57" (1/1) ... [2025-04-14 13:15:57,792 INFO L138 Inliner]: procedures = 21, calls = 22, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 108 [2025-04-14 13:15:57,792 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-14 13:15:57,792 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-14 13:15:57,792 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-14 13:15:57,792 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-14 13:15:57,796 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:15:57" (1/1) ... [2025-04-14 13:15:57,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:15:57" (1/1) ... [2025-04-14 13:15:57,799 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:15:57" (1/1) ... [2025-04-14 13:15:57,799 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:15:57" (1/1) ... [2025-04-14 13:15:57,803 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:15:57" (1/1) ... [2025-04-14 13:15:57,808 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:15:57" (1/1) ... [2025-04-14 13:15:57,812 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:15:57" (1/1) ... [2025-04-14 13:15:57,813 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:15:57" (1/1) ... [2025-04-14 13:15:57,813 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:15:57" (1/1) ... [2025-04-14 13:15:57,816 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-14 13:15:57,817 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-14 13:15:57,817 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-14 13:15:57,817 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-14 13:15:57,817 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:15:57" (1/1) ... [2025-04-14 13:15:57,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 13:15:57,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:15:57,841 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 13:15:57,844 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 13:15:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-14 13:15:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-14 13:15:57,857 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-14 13:15:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-14 13:15:57,857 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-14 13:15:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-14 13:15:57,857 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-14 13:15:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-04-14 13:15:57,857 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-04-14 13:15:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-14 13:15:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-14 13:15:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-14 13:15:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-14 13:15:57,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-14 13:15:57,858 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 13:15:57,916 INFO L234 CfgBuilder]: Building ICFG [2025-04-14 13:15:57,918 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-14 13:15:58,095 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-14 13:15:58,095 INFO L283 CfgBuilder]: Performing block encoding [2025-04-14 13:15:58,215 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-14 13:15:58,215 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-14 13:15:58,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 01:15:58 BoogieIcfgContainer [2025-04-14 13:15:58,216 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-14 13:15:58,217 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-14 13:15:58,217 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-14 13:15:58,221 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-14 13:15:58,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.04 01:15:57" (1/3) ... [2025-04-14 13:15:58,221 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b17fd93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 01:15:58, skipping insertion in model container [2025-04-14 13:15:58,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 01:15:57" (2/3) ... [2025-04-14 13:15:58,222 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b17fd93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 01:15:58, skipping insertion in model container [2025-04-14 13:15:58,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 01:15:58" (3/3) ... [2025-04-14 13:15:58,222 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-proofs-counter-add-4-semi-Q67.wvr.c [2025-04-14 13:15:58,232 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-14 13:15:58,234 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-proofs-counter-add-4-semi-Q67.wvr.c that has 5 procedures, 33 locations, 32 edges, 1 initial locations, 4 loop locations, and 1 error locations. [2025-04-14 13:15:58,235 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-14 13:15:58,277 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-04-14 13:15:58,306 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 13:15:58,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-14 13:15:58,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:15:58,309 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 13:15:58,310 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 13:15:58,368 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-14 13:15:58,378 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-14 13:15:58,383 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;@37b23a7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 13:15:58,383 INFO L341 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-04-14 13:15:58,822 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 13:15:58,822 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:15:58,823 INFO L139 ounterexampleChecker]: Examining path program with hash -86726780, occurence #1 [2025-04-14 13:15:58,823 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 13:15:58,823 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:15:58,829 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:15:58,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1487589633, now seen corresponding path program 1 times [2025-04-14 13:15:58,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:15:58,834 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840157557] [2025-04-14 13:15:58,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 13:15:58,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:15:58,882 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-04-14 13:15:58,919 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-04-14 13:15:58,919 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:15:58,919 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:15:59,379 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 13:15:59,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:15:59,379 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840157557] [2025-04-14 13:15:59,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840157557] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 13:15:59,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 13:15:59,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-04-14 13:15:59,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405691237] [2025-04-14 13:15:59,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 13:15:59,385 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-04-14 13:15:59,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:15:59,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-04-14 13:15:59,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2025-04-14 13:15:59,400 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:15:59,401 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:15:59,402 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 10 states have internal predecessors, (41), 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 13:15:59,402 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:15:59,667 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:15:59,667 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-14 13:15:59,668 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 13:15:59,668 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:15:59,668 INFO L139 ounterexampleChecker]: Examining path program with hash 1858106352, occurence #1 [2025-04-14 13:15:59,668 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 13:15:59,668 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:15:59,668 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:15:59,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1973583595, now seen corresponding path program 2 times [2025-04-14 13:15:59,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:15:59,668 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490128154] [2025-04-14 13:15:59,669 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 13:15:59,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:15:59,680 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 45 statements into 2 equivalence classes. [2025-04-14 13:15:59,693 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 45 of 45 statements. [2025-04-14 13:15:59,693 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 13:15:59,693 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:15:59,825 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 13:15:59,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:15:59,826 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490128154] [2025-04-14 13:15:59,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490128154] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:15:59,826 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191498433] [2025-04-14 13:15:59,826 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 13:15:59,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:15:59,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:15:59,829 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 13:15:59,830 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 13:15:59,879 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 45 statements into 2 equivalence classes. [2025-04-14 13:15:59,902 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 45 of 45 statements. [2025-04-14 13:15:59,902 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 13:15:59,902 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:15:59,904 INFO L256 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-14 13:15:59,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:16:00,045 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 13:16:00,045 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:16:00,167 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 13:16:00,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [191498433] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:16:00,167 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:16:00,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2025-04-14 13:16:00,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327169035] [2025-04-14 13:16:00,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:16:00,168 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-04-14 13:16:00,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:16:00,169 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-04-14 13:16:00,169 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2025-04-14 13:16:00,169 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:16:00,169 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:16:00,169 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.642857142857143) 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 13:16:00,169 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:16:00,170 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:16:00,472 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:16:00,473 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:16:00,479 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 13:16:00,673 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 13:16:00,674 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 13:16:00,674 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:16:00,674 INFO L139 ounterexampleChecker]: Examining path program with hash 1858106352, occurence #2 [2025-04-14 13:16:00,674 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 13:16:00,674 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-14 13:16:00,685 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:16:00,685 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-14 13:16:00,686 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:16:00,686 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-14 13:16:00,686 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:16:00,686 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-14 13:16:00,686 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:16:00,686 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2025-04-14 13:16:00,686 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 13:16:00,686 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 13:16:00,686 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:16:00,686 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:16:00,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1408590341, now seen corresponding path program 3 times [2025-04-14 13:16:00,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:16:00,687 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667220923] [2025-04-14 13:16:00,687 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 13:16:00,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:16:00,697 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 61 statements into 4 equivalence classes. [2025-04-14 13:16:00,716 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 61 of 61 statements. [2025-04-14 13:16:00,716 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-04-14 13:16:00,716 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:16:01,002 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-04-14 13:16:01,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:16:01,003 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667220923] [2025-04-14 13:16:01,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667220923] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:16:01,003 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227628161] [2025-04-14 13:16:01,003 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 13:16:01,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:16:01,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:16:01,006 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 13:16:01,007 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 13:16:01,051 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 61 statements into 4 equivalence classes. [2025-04-14 13:16:01,077 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 61 of 61 statements. [2025-04-14 13:16:01,077 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-04-14 13:16:01,077 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:16:01,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-04-14 13:16:01,080 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:16:01,344 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 13:16:01,344 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:16:01,593 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 13:16:01,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227628161] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:16:01,594 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:16:01,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 10] total 26 [2025-04-14 13:16:01,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210241864] [2025-04-14 13:16:01,594 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:16:01,594 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-04-14 13:16:01,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:16:01,595 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-04-14 13:16:01,595 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=544, Unknown=0, NotChecked=0, Total=702 [2025-04-14 13:16:01,595 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:16:01,595 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:16:01,596 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.592592592592593) internal successors, (151), 26 states have internal predecessors, (151), 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 13:16:01,596 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:16:01,596 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:16:01,596 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:16:02,962 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:16:02,963 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:16:02,963 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-04-14 13:16:02,969 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 13:16:03,167 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 13:16:03,167 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 13:16:03,167 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:16:03,167 INFO L139 ounterexampleChecker]: Examining path program with hash 1921737116, occurence #1 [2025-04-14 13:16:03,167 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 13:16:03,167 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:16:03,168 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:16:03,168 INFO L85 PathProgramCache]: Analyzing trace with hash 357452345, now seen corresponding path program 4 times [2025-04-14 13:16:03,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:16:03,168 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940993085] [2025-04-14 13:16:03,168 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 13:16:03,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:16:03,178 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 101 statements into 2 equivalence classes. [2025-04-14 13:16:03,214 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 101 of 101 statements. [2025-04-14 13:16:03,214 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 13:16:03,214 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:16:03,665 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-04-14 13:16:03,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:16:03,666 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940993085] [2025-04-14 13:16:03,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940993085] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 13:16:03,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 13:16:03,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-14 13:16:03,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330099946] [2025-04-14 13:16:03,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 13:16:03,666 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-14 13:16:03,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:16:03,667 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-14 13:16:03,667 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-04-14 13:16:03,667 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:16:03,667 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:16:03,667 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 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 13:16:03,667 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:16:03,667 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:16:03,667 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-04-14 13:16:03,667 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:16:03,822 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:16:03,822 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:16:03,822 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-04-14 13:16:03,822 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:16:03,822 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-14 13:16:03,822 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 13:16:03,822 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:16:03,823 INFO L139 ounterexampleChecker]: Examining path program with hash 2084251179, occurence #1 [2025-04-14 13:16:03,823 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 13:16:03,823 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:16:03,823 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:16:03,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1331824073, now seen corresponding path program 5 times [2025-04-14 13:16:03,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:16:03,823 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079471068] [2025-04-14 13:16:03,823 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 13:16:03,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:16:03,833 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 107 statements into 9 equivalence classes. [2025-04-14 13:16:03,854 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) and asserted 107 of 107 statements. [2025-04-14 13:16:03,855 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2025-04-14 13:16:03,855 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:16:04,070 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2025-04-14 13:16:04,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:16:04,070 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079471068] [2025-04-14 13:16:04,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079471068] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:16:04,071 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497560089] [2025-04-14 13:16:04,071 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 13:16:04,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:16:04,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:16:04,074 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 13:16:04,074 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 13:16:04,118 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 107 statements into 9 equivalence classes. [2025-04-14 13:16:04,153 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) and asserted 107 of 107 statements. [2025-04-14 13:16:04,154 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2025-04-14 13:16:04,154 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:16:04,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-04-14 13:16:04,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:16:04,683 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 15 proven. 264 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 13:16:04,684 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:16:05,324 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 15 proven. 264 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 13:16:05,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [497560089] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:16:05,324 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:16:05,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 24, 24] total 50 [2025-04-14 13:16:05,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716141254] [2025-04-14 13:16:05,324 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:16:05,325 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2025-04-14 13:16:05,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:16:05,326 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2025-04-14 13:16:05,327 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=673, Invalid=1877, Unknown=0, NotChecked=0, Total=2550 [2025-04-14 13:16:05,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:16:05,327 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:16:05,327 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 4.450980392156863) internal successors, (227), 50 states have internal predecessors, (227), 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 13:16:05,327 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:16:05,327 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:16:05,327 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-04-14 13:16:05,327 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:16:05,327 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:16:11,030 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:16:11,030 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:16:11,030 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-14 13:16:11,030 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:16:11,030 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2025-04-14 13:16:11,036 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-04-14 13:16:11,231 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:16:11,231 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 13:16:11,231 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:16:11,231 INFO L139 ounterexampleChecker]: Examining path program with hash -99824623, occurence #1 [2025-04-14 13:16:11,231 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 13:16:11,231 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:16:11,232 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:16:11,232 INFO L85 PathProgramCache]: Analyzing trace with hash -710985081, now seen corresponding path program 6 times [2025-04-14 13:16:11,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:16:11,232 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820363533] [2025-04-14 13:16:11,232 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 13:16:11,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:16:11,242 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 199 statements into 21 equivalence classes. [2025-04-14 13:16:11,323 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) and asserted 199 of 199 statements. [2025-04-14 13:16:11,323 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2025-04-14 13:16:11,323 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:16:12,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 1467 trivial. 0 not checked. [2025-04-14 13:16:12,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:16:12,049 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820363533] [2025-04-14 13:16:12,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820363533] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:16:12,049 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896601000] [2025-04-14 13:16:12,049 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 13:16:12,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:16:12,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:16:12,052 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 13:16:12,053 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 13:16:12,105 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 199 statements into 21 equivalence classes. [2025-04-14 13:16:12,174 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) and asserted 199 of 199 statements. [2025-04-14 13:16:12,174 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2025-04-14 13:16:12,174 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:16:12,177 INFO L256 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 50 conjuncts are in the unsatisfiable core [2025-04-14 13:16:12,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:16:13,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 1584 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 13:16:13,264 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:16:14,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 1584 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 13:16:14,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896601000] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:16:14,285 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:16:14,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 48, 48] total 100 [2025-04-14 13:16:14,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585027875] [2025-04-14 13:16:14,285 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:16:14,286 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2025-04-14 13:16:14,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:16:14,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2025-04-14 13:16:14,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2808, Invalid=7292, Unknown=0, NotChecked=0, Total=10100 [2025-04-14 13:16:14,291 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:16:14,291 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:16:14,291 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 4.158415841584159) internal successors, (420), 100 states have internal predecessors, (420), 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 13:16:14,291 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:16:14,291 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:16:14,291 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-14 13:16:14,291 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:16:14,291 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2025-04-14 13:16:14,291 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:16:17,766 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:16:17,767 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:16:17,767 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-14 13:16:17,767 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:16:17,767 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2025-04-14 13:16:17,767 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2025-04-14 13:16:17,773 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 13:16:17,967 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:16:17,968 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 13:16:17,968 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:16:17,968 INFO L139 ounterexampleChecker]: Examining path program with hash -163291197, occurence #1 [2025-04-14 13:16:17,968 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 13:16:17,968 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:16:17,968 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:16:17,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1325968353, now seen corresponding path program 7 times [2025-04-14 13:16:17,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:16:17,968 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347301044] [2025-04-14 13:16:17,969 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 13:16:17,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:16:17,978 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 235 statements into 1 equivalence classes. [2025-04-14 13:16:18,020 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 235 of 235 statements. [2025-04-14 13:16:18,020 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:16:18,020 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:16:19,544 INFO L134 CoverageAnalysis]: Checked inductivity of 2310 backedges. 4 proven. 190 refuted. 0 times theorem prover too weak. 2116 trivial. 0 not checked. [2025-04-14 13:16:19,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:16:19,544 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347301044] [2025-04-14 13:16:19,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347301044] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:16:19,544 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263776235] [2025-04-14 13:16:19,544 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 13:16:19,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:16:19,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:16:19,549 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 13:16:19,550 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 13:16:19,610 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 235 statements into 1 equivalence classes. [2025-04-14 13:16:19,672 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 235 of 235 statements. [2025-04-14 13:16:19,672 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 13:16:19,672 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:16:19,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 57 conjuncts are in the unsatisfiable core [2025-04-14 13:16:19,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:16:21,080 INFO L134 CoverageAnalysis]: Checked inductivity of 2310 backedges. 2 proven. 2304 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-04-14 13:16:21,080 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:16:23,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2310 backedges. 2 proven. 2304 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-04-14 13:16:23,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [263776235] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:16:23,532 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:16:23,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 55, 55] total 119 [2025-04-14 13:16:23,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136504727] [2025-04-14 13:16:23,533 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:16:23,533 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 120 states [2025-04-14 13:16:23,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:16:23,535 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2025-04-14 13:16:23,537 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2651, Invalid=11629, Unknown=0, NotChecked=0, Total=14280 [2025-04-14 13:16:23,537 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:16:23,537 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:16:23,537 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 120 states, 120 states have (on average 4.116666666666666) internal successors, (494), 119 states have internal predecessors, (494), 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 13:16:23,537 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:16:23,537 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:16:23,537 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-04-14 13:16:23,538 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:16:23,538 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2025-04-14 13:16:23,538 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2025-04-14 13:16:23,538 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:16:54,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:16:54,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:16:54,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-14 13:16:54,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:16:54,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2025-04-14 13:16:54,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2025-04-14 13:16:54,131 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 355 states. [2025-04-14 13:16:54,137 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-04-14 13:16:54,331 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:16:54,331 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 13:16:54,331 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:16:54,331 INFO L139 ounterexampleChecker]: Examining path program with hash -1360383593, occurence #1 [2025-04-14 13:16:54,332 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 13:16:54,332 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:16:54,332 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:16:54,332 INFO L85 PathProgramCache]: Analyzing trace with hash 349922693, now seen corresponding path program 8 times [2025-04-14 13:16:54,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:16:54,332 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717014735] [2025-04-14 13:16:54,332 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 13:16:54,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:16:54,346 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 463 statements into 2 equivalence classes. [2025-04-14 13:16:54,476 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 463 of 463 statements. [2025-04-14 13:16:54,476 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 13:16:54,477 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:16:57,404 INFO L134 CoverageAnalysis]: Checked inductivity of 11240 backedges. 314 proven. 106 refuted. 0 times theorem prover too weak. 10820 trivial. 0 not checked. [2025-04-14 13:16:57,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:16:57,404 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717014735] [2025-04-14 13:16:57,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717014735] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:16:57,404 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [916334832] [2025-04-14 13:16:57,404 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 13:16:57,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:16:57,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:16:57,406 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 13:16:57,423 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 13:16:57,501 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 463 statements into 2 equivalence classes. [2025-04-14 13:16:57,610 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 463 of 463 statements. [2025-04-14 13:16:57,611 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 13:16:57,611 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:16:57,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 1381 conjuncts, 115 conjuncts are in the unsatisfiable core [2025-04-14 13:16:57,623 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:17:01,102 INFO L134 CoverageAnalysis]: Checked inductivity of 11240 backedges. 2 proven. 11236 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-14 13:17:01,102 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:17:09,437 INFO L134 CoverageAnalysis]: Checked inductivity of 11240 backedges. 2 proven. 11236 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-14 13:17:09,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [916334832] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:17:09,438 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:17:09,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 113, 113] total 229 [2025-04-14 13:17:09,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319310311] [2025-04-14 13:17:09,438 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:17:09,439 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 230 states [2025-04-14 13:17:09,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:17:09,442 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 230 interpolants. [2025-04-14 13:17:09,449 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10144, Invalid=42526, Unknown=0, NotChecked=0, Total=52670 [2025-04-14 13:17:09,449 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:17:09,449 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:17:09,449 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 230 states, 230 states have (on average 4.156521739130435) internal successors, (956), 229 states have internal predecessors, (956), 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 13:17:09,449 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:17:09,449 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:17:09,449 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-04-14 13:17:09,450 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:17:09,450 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2025-04-14 13:17:09,450 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2025-04-14 13:17:09,450 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 355 states. [2025-04-14 13:17:09,450 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:21:11,032 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:21:11,032 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:21:11,032 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-14 13:21:11,032 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:21:11,032 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2025-04-14 13:21:11,032 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2025-04-14 13:21:11,032 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 355 states. [2025-04-14 13:21:11,032 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 835 states. [2025-04-14 13:21:11,039 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-04-14 13:21:11,236 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:21:11,236 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 13:21:11,236 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:21:11,236 INFO L139 ounterexampleChecker]: Examining path program with hash 824409428, occurence #1 [2025-04-14 13:21:11,236 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 13:21:11,236 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:21:11,237 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:21:11,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1540157317, now seen corresponding path program 9 times [2025-04-14 13:21:11,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:21:11,237 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172464176] [2025-04-14 13:21:11,237 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 13:21:11,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:21:11,263 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 911 statements into 112 equivalence classes. [2025-04-14 13:21:11,772 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 112 check-sat command(s) and asserted 911 of 911 statements. [2025-04-14 13:21:11,772 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 112 check-sat command(s) [2025-04-14 13:21:11,772 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:21:49,341 INFO L134 CoverageAnalysis]: Checked inductivity of 48951 backedges. 550 proven. 220 refuted. 0 times theorem prover too weak. 48181 trivial. 0 not checked. [2025-04-14 13:21:49,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:21:49,342 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172464176] [2025-04-14 13:21:49,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172464176] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:21:49,342 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056535011] [2025-04-14 13:21:49,342 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 13:21:49,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:21:49,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:21:49,344 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 13:21:49,344 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 13:21:49,474 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 911 statements into 112 equivalence classes. [2025-04-14 13:21:50,641 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 112 check-sat command(s) and asserted 911 of 911 statements. [2025-04-14 13:21:50,642 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 112 check-sat command(s) [2025-04-14 13:21:50,642 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:21:50,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 891 conjuncts are in the unsatisfiable core [2025-04-14 13:21:50,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:21:51,369 INFO L134 CoverageAnalysis]: Checked inductivity of 48951 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48951 trivial. 0 not checked. [2025-04-14 13:21:51,369 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-14 13:21:51,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056535011] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 13:21:51,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-14 13:21:51,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2025-04-14 13:21:51,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889395062] [2025-04-14 13:21:51,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 13:21:51,370 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 13:21:51,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:21:51,370 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 13:21:51,370 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-04-14 13:21:51,370 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:21:51,371 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:21:51,371 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 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 13:21:51,371 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:21:51,371 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:21:51,371 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-04-14 13:21:51,371 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:21:51,371 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2025-04-14 13:21:51,371 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2025-04-14 13:21:51,371 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 355 states. [2025-04-14 13:21:51,371 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 835 states. [2025-04-14 13:21:51,371 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:21:52,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:21:52,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:21:52,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-14 13:21:52,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:21:52,217 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2025-04-14 13:21:52,217 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2025-04-14 13:21:52,217 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 357 states. [2025-04-14 13:21:52,217 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 840 states. [2025-04-14 13:21:52,217 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:21:52,229 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 13:21:52,417 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,SelfDestructingSolverStorable8 [2025-04-14 13:21:52,417 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 13:21:52,417 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:21:52,418 INFO L139 ounterexampleChecker]: Examining path program with hash 1381254281, occurence #1 [2025-04-14 13:21:52,418 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 13:21:52,418 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:21:52,419 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:21:52,419 INFO L85 PathProgramCache]: Analyzing trace with hash -285008313, now seen corresponding path program 10 times [2025-04-14 13:21:52,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:21:52,419 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479130954] [2025-04-14 13:21:52,419 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 13:21:52,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:21:52,442 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 947 statements into 2 equivalence classes. [2025-04-14 13:21:53,153 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 947 of 947 statements. [2025-04-14 13:21:53,153 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 13:21:53,153 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:22:32,717 INFO L134 CoverageAnalysis]: Checked inductivity of 50076 backedges. 12 proven. 1224 refuted. 0 times theorem prover too weak. 48840 trivial. 0 not checked. [2025-04-14 13:22:32,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:22:32,717 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479130954] [2025-04-14 13:22:32,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479130954] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:22:32,717 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279052652] [2025-04-14 13:22:32,717 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 13:22:32,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:22:32,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:22:32,719 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 13:22:32,721 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 13:22:32,848 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 947 statements into 2 equivalence classes. [2025-04-14 13:22:33,093 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 947 of 947 statements. [2025-04-14 13:22:33,093 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 13:22:33,093 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:22:33,118 INFO L256 TraceCheckSpWp]: Trace formula consists of 2713 conjuncts, 462 conjuncts are in the unsatisfiable core [2025-04-14 13:22:33,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:22:33,816 INFO L134 CoverageAnalysis]: Checked inductivity of 50076 backedges. 12 proven. 1224 refuted. 0 times theorem prover too weak. 48840 trivial. 0 not checked. [2025-04-14 13:22:33,816 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:22:35,086 INFO L134 CoverageAnalysis]: Checked inductivity of 50076 backedges. 12 proven. 1224 refuted. 0 times theorem prover too weak. 48840 trivial. 0 not checked. [2025-04-14 13:22:35,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279052652] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:22:35,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:22:35,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 6 [2025-04-14 13:22:35,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823195529] [2025-04-14 13:22:35,086 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:22:35,087 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-04-14 13:22:35,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:22:35,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-04-14 13:22:35,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-04-14 13:22:35,088 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:22:35,088 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:22:35,088 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 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 13:22:35,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:22:35,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:22:35,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-04-14 13:22:35,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:22:35,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2025-04-14 13:22:35,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2025-04-14 13:22:35,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 357 states. [2025-04-14 13:22:35,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 840 states. [2025-04-14 13:22:35,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:22:35,088 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:22:35,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:22:35,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:22:35,378 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-14 13:22:35,378 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:22:35,378 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2025-04-14 13:22:35,378 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2025-04-14 13:22:35,378 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 357 states. [2025-04-14 13:22:35,378 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 840 states. [2025-04-14 13:22:35,378 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:22:35,378 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:22:35,389 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 13:22:35,578 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-04-14 13:22:35,578 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 13:22:35,578 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 13:22:35,579 INFO L139 ounterexampleChecker]: Examining path program with hash 1543420356, occurence #1 [2025-04-14 13:22:35,579 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 13:22:35,579 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 13:22:35,580 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 13:22:35,580 INFO L85 PathProgramCache]: Analyzing trace with hash 275049397, now seen corresponding path program 11 times [2025-04-14 13:22:35,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 13:22:35,580 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180231770] [2025-04-14 13:22:35,580 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 13:22:35,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 13:22:35,604 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 951 statements into 113 equivalence classes. [2025-04-14 13:22:35,970 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 113 check-sat command(s) and asserted 951 of 951 statements. [2025-04-14 13:22:35,970 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 113 check-sat command(s) [2025-04-14 13:22:35,970 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:22:49,618 INFO L134 CoverageAnalysis]: Checked inductivity of 50080 backedges. 15 proven. 1221 refuted. 0 times theorem prover too weak. 48844 trivial. 0 not checked. [2025-04-14 13:22:49,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 13:22:49,618 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180231770] [2025-04-14 13:22:49,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180231770] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 13:22:49,618 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [208598562] [2025-04-14 13:22:49,618 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 13:22:49,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 13:22:49,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 13:22:49,620 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 13:22:49,621 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 13:22:49,754 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 951 statements into 113 equivalence classes. [2025-04-14 13:22:50,468 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 113 check-sat command(s) and asserted 951 of 951 statements. [2025-04-14 13:22:50,468 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 113 check-sat command(s) [2025-04-14 13:22:50,468 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 13:22:50,498 INFO L256 TraceCheckSpWp]: Trace formula consists of 2723 conjuncts, 236 conjuncts are in the unsatisfiable core [2025-04-14 13:22:50,508 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 13:23:01,434 INFO L134 CoverageAnalysis]: Checked inductivity of 50080 backedges. 16 proven. 50064 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 13:23:01,434 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 13:23:29,152 INFO L134 CoverageAnalysis]: Checked inductivity of 50080 backedges. 16 proven. 50064 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 13:23:29,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [208598562] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 13:23:29,153 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 13:23:29,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 234, 234] total 473 [2025-04-14 13:23:29,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743283589] [2025-04-14 13:23:29,153 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 13:23:29,154 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 474 states [2025-04-14 13:23:29,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 13:23:29,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 474 interpolants. [2025-04-14 13:23:29,174 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55708, Invalid=168494, Unknown=0, NotChecked=0, Total=224202 [2025-04-14 13:23:29,174 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 13:23:29,174 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 13:23:29,175 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 474 states, 474 states have (on average 4.090717299578059) internal successors, (1939), 473 states have internal predecessors, (1939), 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 13:23:29,175 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 13:23:29,175 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 13:23:29,175 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-14 13:23:29,175 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 13:23:29,175 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2025-04-14 13:23:29,175 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2025-04-14 13:23:29,175 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 357 states. [2025-04-14 13:23:29,175 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 840 states. [2025-04-14 13:23:29,175 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 13:23:29,175 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 13:23:29,175 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2025-04-14 13:29:42,273 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 13:29:42,292 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-14 13:29:42,292 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 13:29:42,292 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 13:29:42,461 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,SelfDestructingSolverStorable10 [2025-04-14 13:29:42,462 WARN L610 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 1933 known predicates. [2025-04-14 13:29:42,464 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2025-04-14 13:29:42,464 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2025-04-14 13:29:42,464 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2025-04-14 13:29:42,464 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2025-04-14 13:29:42,464 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2025-04-14 13:29:42,468 INFO L422 BasicCegarLoop]: Path program histogram: [11] [2025-04-14 13:29:42,470 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-14 13:29:42,470 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-14 13:29:42,478 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 13:29:42,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.04 01:29:42 BasicIcfg [2025-04-14 13:29:42,478 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-14 13:29:42,479 INFO L158 Benchmark]: Toolchain (without parser) took 824941.17ms. Allocated memory was 142.6MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 99.2MB in the beginning and 523.0MB in the end (delta: -423.9MB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. [2025-04-14 13:29:42,479 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 163.6MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 13:29:42,479 INFO L158 Benchmark]: CACSL2BoogieTranslator took 222.69ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 84.3MB in the end (delta: 14.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-04-14 13:29:42,479 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.37ms. Allocated memory is still 142.6MB. Free memory was 84.3MB in the beginning and 83.0MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-14 13:29:42,479 INFO L158 Benchmark]: Boogie Preprocessor took 23.86ms. Allocated memory is still 142.6MB. Free memory was 83.0MB in the beginning and 82.0MB in the end (delta: 926.0kB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 13:29:42,480 INFO L158 Benchmark]: RCFGBuilder took 399.16ms. Allocated memory is still 142.6MB. Free memory was 82.0MB in the beginning and 50.8MB in the end (delta: 31.2MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2025-04-14 13:29:42,480 INFO L158 Benchmark]: TraceAbstraction took 824261.33ms. Allocated memory was 142.6MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 50.3MB in the beginning and 523.0MB in the end (delta: -472.7MB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. [2025-04-14 13:29:42,481 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 163.6MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 222.69ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 84.3MB in the end (delta: 14.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.37ms. Allocated memory is still 142.6MB. Free memory was 84.3MB in the beginning and 83.0MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.86ms. Allocated memory is still 142.6MB. Free memory was 83.0MB in the beginning and 82.0MB in the end (delta: 926.0kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 399.16ms. Allocated memory is still 142.6MB. Free memory was 82.0MB in the beginning and 50.8MB in the end (delta: 31.2MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * TraceAbstraction took 824261.33ms. Allocated memory was 142.6MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 50.3MB in the beginning and 523.0MB in the end (delta: -472.7MB). Peak memory consumption was 1.6GB. 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: 111846, independent: 98275, independent conditional: 97533, independent unconditional: 742, dependent: 13571, dependent conditional: 13561, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 98300, independent: 98275, independent conditional: 97533, independent unconditional: 742, dependent: 25, dependent conditional: 15, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 98300, independent: 98275, independent conditional: 97533, independent unconditional: 742, dependent: 25, dependent conditional: 15, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 98369, independent: 98275, independent conditional: 97533, independent unconditional: 742, dependent: 94, dependent conditional: 84, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 98369, independent: 98275, independent conditional: 2, independent unconditional: 98273, dependent: 94, dependent conditional: 65, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 98369, independent: 98275, independent conditional: 2, independent unconditional: 98273, dependent: 94, dependent conditional: 65, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 730, independent: 688, independent conditional: 1, independent unconditional: 687, dependent: 42, dependent conditional: 32, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 730, independent: 675, independent conditional: 0, independent unconditional: 675, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 55, independent: 13, independent conditional: 1, independent unconditional: 12, dependent: 42, dependent conditional: 32, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 55, independent: 13, independent conditional: 1, independent unconditional: 12, dependent: 42, dependent conditional: 32, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 566, independent: 205, independent conditional: 12, independent unconditional: 193, dependent: 361, dependent conditional: 184, dependent unconditional: 177, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 98369, independent: 97587, independent conditional: 1, independent unconditional: 97586, dependent: 52, dependent conditional: 33, dependent unconditional: 19, unknown: 730, unknown conditional: 33, unknown unconditional: 697] , Statistics on independence cache: Total cache size (in pairs): 730, Positive cache size: 688, Positive conditional cache size: 1, Positive unconditional cache size: 687, Negative cache size: 42, Negative conditional cache size: 32, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 97550, Maximal queried relation: 7, Independence queries for same thread: 13546, Persistent sets #1 benchmarks: Persistent set computation time: 0.4s, Number of persistent set computation: 110, Number of trivial persistent sets: 50, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 752, independent: 742, independent conditional: 0, independent unconditional: 742, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 111846, independent: 98275, independent conditional: 97533, independent unconditional: 742, dependent: 13571, dependent conditional: 13561, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 98300, independent: 98275, independent conditional: 97533, independent unconditional: 742, dependent: 25, dependent conditional: 15, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 98300, independent: 98275, independent conditional: 97533, independent unconditional: 742, dependent: 25, dependent conditional: 15, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 98369, independent: 98275, independent conditional: 97533, independent unconditional: 742, dependent: 94, dependent conditional: 84, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 98369, independent: 98275, independent conditional: 2, independent unconditional: 98273, dependent: 94, dependent conditional: 65, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 98369, independent: 98275, independent conditional: 2, independent unconditional: 98273, dependent: 94, dependent conditional: 65, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 730, independent: 688, independent conditional: 1, independent unconditional: 687, dependent: 42, dependent conditional: 32, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 730, independent: 675, independent conditional: 0, independent unconditional: 675, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 55, independent: 13, independent conditional: 1, independent unconditional: 12, dependent: 42, dependent conditional: 32, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 55, independent: 13, independent conditional: 1, independent unconditional: 12, dependent: 42, dependent conditional: 32, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 566, independent: 205, independent conditional: 12, independent unconditional: 193, dependent: 361, dependent conditional: 184, dependent unconditional: 177, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 98369, independent: 97587, independent conditional: 1, independent unconditional: 97586, dependent: 52, dependent conditional: 33, dependent unconditional: 19, unknown: 730, unknown conditional: 33, unknown unconditional: 697] , Statistics on independence cache: Total cache size (in pairs): 730, Positive cache size: 688, Positive conditional cache size: 1, Positive unconditional cache size: 687, Negative cache size: 42, Negative conditional cache size: 32, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 97550, Maximal queried relation: 7, Independence queries for same thread: 13546 - TimeoutResultAtElement [Line: 105]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1933 known predicates. - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1933 known predicates. - TimeoutResultAtElement [Line: 98]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1933 known predicates. - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1933 known predicates. - TimeoutResultAtElement [Line: 96]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1933 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 53 locations, 60 edges, 5 error locations. Started 1 CEGAR loops. OverallTime: 824.1s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 11, EmptinessCheckTime: 658.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3041, 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: 0.5s SsaConstructionTime, 4.4s SatisfiabilityAnalysisTime, 158.6s InterpolantComputationTime, 7980 NumberOfCodeBlocks, 7980 NumberOfCodeBlocksAsserted, 535 NumberOfCheckSat, 10960 ConstructedInterpolants, 0 QuantifiedInterpolants, 73921 SizeOfPredicates, 42 NumberOfNonLiveVariables, 11747 ConjunctsInSsa, 1856 ConjunctsInUnsatCore, 28 InterpolantComputations, 3 PerfectInterpolantSequences, 308467/445027 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]: 11, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, UnsatisfiedConditions: 0, ImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown