/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --traceabstraction.refinement.strategy.for.commutativity.condition.synthesis BADGER -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/bigshot_s2.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-158c277 [2024-11-14 14:56:13,294 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 14:56:13,362 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-14 14:56:13,369 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 14:56:13,369 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 14:56:13,389 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 14:56:13,390 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 14:56:13,390 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 14:56:13,390 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 14:56:13,390 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 14:56:13,391 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 14:56:13,391 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 14:56:13,391 INFO L153 SettingsManager]: * Use SBE=true [2024-11-14 14:56:13,391 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 14:56:13,391 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 14:56:13,391 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 14:56:13,391 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 14:56:13,391 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 14:56:13,391 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 14:56:13,392 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 14:56:13,392 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 14:56:13,392 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 14:56:13,392 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 14:56:13,392 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 14:56:13,392 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 14:56:13,392 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 14:56:13,392 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 14:56:13,392 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-14 14:56:13,392 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 14:56:13,392 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 14:56:13,393 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 14:56:13,393 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 14:56:13,393 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 14:56:13,393 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-14 14:56:13,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 14:56:13,393 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 14:56:13,393 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-14 14:56:13,393 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-14 14:56:13,393 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-14 14:56:13,393 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Refinement strategy for commutativity condition synthesis -> BADGER [2024-11-14 14:56:13,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 14:56:13,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 14:56:13,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 14:56:13,710 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 14:56:13,710 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 14:56:13,712 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/bigshot_s2.i [2024-11-14 14:56:15,069 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 14:56:15,392 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 14:56:15,393 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread/bigshot_s2.i [2024-11-14 14:56:15,415 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/0aba3103b/addd1f414e1c450dac0d24ce6754d902/FLAGed45362fc [2024-11-14 14:56:15,642 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/0aba3103b/addd1f414e1c450dac0d24ce6754d902 [2024-11-14 14:56:15,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 14:56:15,645 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-14 14:56:15,646 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 14:56:15,646 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 14:56:15,650 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 14:56:15,651 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:56:15" (1/1) ... [2024-11-14 14:56:15,651 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12650356 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:56:15, skipping insertion in model container [2024-11-14 14:56:15,652 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:56:15" (1/1) ... [2024-11-14 14:56:15,692 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 14:56:16,043 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread/bigshot_s2.i[55203,55216] [2024-11-14 14:56:16,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 14:56:16,074 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 14:56:16,124 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread/bigshot_s2.i[55203,55216] [2024-11-14 14:56:16,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 14:56:16,186 INFO L204 MainTranslator]: Completed translation [2024-11-14 14:56:16,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:56:16 WrapperNode [2024-11-14 14:56:16,187 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 14:56:16,187 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 14:56:16,188 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 14:56:16,188 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 14:56:16,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:56:16" (1/1) ... [2024-11-14 14:56:16,208 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:56:16" (1/1) ... [2024-11-14 14:56:16,230 INFO L138 Inliner]: procedures = 322, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-11-14 14:56:16,231 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 14:56:16,231 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 14:56:16,231 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 14:56:16,231 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 14:56:16,237 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:56:16" (1/1) ... [2024-11-14 14:56:16,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:56:16" (1/1) ... [2024-11-14 14:56:16,239 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:56:16" (1/1) ... [2024-11-14 14:56:16,239 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:56:16" (1/1) ... [2024-11-14 14:56:16,251 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:56:16" (1/1) ... [2024-11-14 14:56:16,254 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:56:16" (1/1) ... [2024-11-14 14:56:16,255 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:56:16" (1/1) ... [2024-11-14 14:56:16,259 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:56:16" (1/1) ... [2024-11-14 14:56:16,261 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 14:56:16,262 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 14:56:16,262 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 14:56:16,262 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 14:56:16,265 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:56:16" (1/1) ... [2024-11-14 14:56:16,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 14:56:16,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 14:56:16,308 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 14:56:16,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 14:56:16,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-14 14:56:16,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 14:56:16,333 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-14 14:56:16,333 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-14 14:56:16,333 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-14 14:56:16,333 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-14 14:56:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 14:56:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 14:56:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 14:56:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 14:56:16,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 14:56:16,335 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 14:56:16,464 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 14:56:16,465 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 14:56:16,617 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 14:56:16,617 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 14:56:16,629 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 14:56:16,629 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 14:56:16,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:56:16 BoogieIcfgContainer [2024-11-14 14:56:16,629 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 14:56:16,634 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 14:56:16,634 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 14:56:16,638 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 14:56:16,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:56:15" (1/3) ... [2024-11-14 14:56:16,638 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c75b9b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:56:16, skipping insertion in model container [2024-11-14 14:56:16,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:56:16" (2/3) ... [2024-11-14 14:56:16,639 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c75b9b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:56:16, skipping insertion in model container [2024-11-14 14:56:16,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:56:16" (3/3) ... [2024-11-14 14:56:16,640 INFO L112 eAbstractionObserver]: Analyzing ICFG bigshot_s2.i [2024-11-14 14:56:16,653 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 14:56:16,655 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG bigshot_s2.i that has 3 procedures, 74 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 14:56:16,655 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 14:56:16,734 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-14 14:56:16,785 INFO L123 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 14:56:16,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-14 14:56:16,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 14:56:16,789 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-14 14:56:16,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-14 14:56:16,878 INFO L185 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-14 14:56:16,891 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-14 14:56:16,899 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@609dfd62, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 14:56:16,899 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-14 14:56:17,096 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 14:56:17,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 14:56:17,101 INFO L85 PathProgramCache]: Analyzing trace with hash -2062547896, now seen corresponding path program 1 times [2024-11-14 14:56:17,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 14:56:17,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360964633] [2024-11-14 14:56:17,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 14:56:17,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 14:56:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 14:56:17,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 14:56:17,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 14:56:17,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360964633] [2024-11-14 14:56:17,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360964633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 14:56:17,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 14:56:17,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 14:56:17,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605554838] [2024-11-14 14:56:17,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 14:56:17,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 14:56:17,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 14:56:17,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 14:56:17,325 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 14:56:17,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 14:56:17,326 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 14:56:17,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 14:56:17,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 14:56:17,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 14:56:17,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 14:56:17,356 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 14:56:17,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 14:56:17,357 INFO L85 PathProgramCache]: Analyzing trace with hash 659286117, now seen corresponding path program 1 times [2024-11-14 14:56:17,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 14:56:17,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711571063] [2024-11-14 14:56:17,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 14:56:17,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 14:56:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 14:56:17,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 14:56:17,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 14:56:17,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711571063] [2024-11-14 14:56:17,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711571063] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 14:56:17,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 14:56:17,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 14:56:17,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548499230] [2024-11-14 14:56:17,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 14:56:17,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 14:56:17,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 14:56:17,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 14:56:17,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-14 14:56:17,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 14:56:17,823 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 14:56:17,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 14:56:17,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 14:56:17,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 14:56:17,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 14:56:17,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 14:56:17,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 14:56:17,984 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 14:56:17,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 14:56:17,985 INFO L85 PathProgramCache]: Analyzing trace with hash -254163063, now seen corresponding path program 1 times [2024-11-14 14:56:17,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 14:56:17,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570172048] [2024-11-14 14:56:17,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 14:56:17,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 14:56:18,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 14:56:18,444 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 14:56:18,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 14:56:18,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570172048] [2024-11-14 14:56:18,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570172048] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 14:56:18,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189527470] [2024-11-14 14:56:18,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 14:56:18,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 14:56:18,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 14:56:18,450 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 14:56:18,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 14:56:18,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 14:56:18,565 INFO L256 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-14 14:56:18,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 14:56:18,728 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-14 14:56:18,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-14 14:56:18,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-14 14:56:19,081 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-14 14:56:19,105 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 14:56:19,106 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 14:56:19,260 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_19 (Array Int Int))) (< 0 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base| v_ArrVal_19) |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.base|) (+ |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.offset| 1)))) is different from false [2024-11-14 14:56:19,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2024-11-14 14:56:19,619 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 14:56:19,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189527470] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 14:56:19,620 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 14:56:19,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 28 [2024-11-14 14:56:19,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935544675] [2024-11-14 14:56:19,620 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 14:56:19,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-14 14:56:19,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 14:56:19,623 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-14 14:56:19,623 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=612, Unknown=7, NotChecked=50, Total=756 [2024-11-14 14:56:19,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 14:56:19,624 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 14:56:19,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 5.535714285714286) internal successors, (155), 28 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 14:56:19,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 14:56:19,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 14:56:19,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 14:56:20,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 14:56:20,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 14:56:20,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-14 14:56:20,127 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-14 14:56:20,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 14:56:20,310 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 14:56:20,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 14:56:20,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1952150701, now seen corresponding path program 2 times [2024-11-14 14:56:20,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 14:56:20,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789461317] [2024-11-14 14:56:20,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 14:56:20,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 14:56:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 14:56:20,810 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 14:56:20,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 14:56:20,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789461317] [2024-11-14 14:56:20,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789461317] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 14:56:20,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [88504706] [2024-11-14 14:56:20,810 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 14:56:20,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 14:56:20,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 14:56:20,813 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 14:56:20,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-14 14:56:20,907 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 14:56:20,907 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 14:56:20,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-14 14:56:20,914 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 14:56:21,267 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2024-11-14 14:56:21,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2024-11-14 14:56:21,399 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-14 14:56:21,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 21 [2024-11-14 14:56:21,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 14:56:21,495 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-14 14:56:21,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 21 [2024-11-14 14:56:21,640 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 14:56:21,640 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 14:56:26,470 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 14:56:26,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [88504706] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 14:56:26,471 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 14:56:26,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15, 13] total 34 [2024-11-14 14:56:26,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092580816] [2024-11-14 14:56:26,471 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 14:56:26,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-14 14:56:26,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 14:56:26,473 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-14 14:56:26,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1006, Unknown=0, NotChecked=0, Total=1122 [2024-11-14 14:56:26,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 14:56:26,475 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 14:56:26,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 5.088235294117647) internal successors, (173), 34 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 14:56:26,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 14:56:26,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 14:56:26,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-14 14:56:26,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 14:56:27,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 14:56:27,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 14:56:27,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-14 14:56:27,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-14 14:56:27,611 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-14 14:56:27,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 14:56:27,799 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 14:56:27,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 14:56:27,800 INFO L85 PathProgramCache]: Analyzing trace with hash -325233399, now seen corresponding path program 1 times [2024-11-14 14:56:27,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 14:56:27,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703259313] [2024-11-14 14:56:27,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 14:56:27,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 14:56:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 14:56:27,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 14:56:27,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 14:56:27,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703259313] [2024-11-14 14:56:27,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703259313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 14:56:27,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 14:56:27,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 14:56:27,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935166432] [2024-11-14 14:56:27,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 14:56:27,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 14:56:27,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 14:56:27,851 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 14:56:27,851 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 14:56:27,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 14:56:27,851 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 14:56:27,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 14:56:27,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 14:56:27,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 14:56:27,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-14 14:56:27,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-14 14:56:27,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 14:56:27,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 14:56:27,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 14:56:27,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-14 14:56:27,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-14 14:56:27,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 14:56:27,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-11-14 14:56:27,902 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-11-14 14:56:27,902 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-11-14 14:56:27,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 14:56:27,908 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2024-11-14 14:56:27,911 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 14:56:27,911 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 14:56:27,936 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-11-14 14:56:27,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 02:56:27 BasicIcfg [2024-11-14 14:56:27,936 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 14:56:27,937 INFO L158 Benchmark]: Toolchain (without parser) took 12291.88ms. Allocated memory was 83.9MB in the beginning and 121.6MB in the end (delta: 37.7MB). Free memory was 55.0MB in the beginning and 86.6MB in the end (delta: -31.7MB). Peak memory consumption was 71.4MB. Max. memory is 8.0GB. [2024-11-14 14:56:27,938 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 83.9MB. Free memory is still 38.1MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 14:56:27,938 INFO L158 Benchmark]: CACSL2BoogieTranslator took 540.45ms. Allocated memory is still 83.9MB. Free memory was 54.8MB in the beginning and 22.7MB in the end (delta: 32.1MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2024-11-14 14:56:27,938 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.17ms. Allocated memory is still 83.9MB. Free memory was 22.7MB in the beginning and 20.8MB in the end (delta: 1.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-11-14 14:56:27,938 INFO L158 Benchmark]: Boogie Preprocessor took 29.75ms. Allocated memory is still 83.9MB. Free memory was 20.6MB in the beginning and 19.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 14:56:27,938 INFO L158 Benchmark]: RCFGBuilder took 367.84ms. Allocated memory is still 83.9MB. Free memory was 19.5MB in the beginning and 45.6MB in the end (delta: -26.1MB). Peak memory consumption was 7.7MB. Max. memory is 8.0GB. [2024-11-14 14:56:27,939 INFO L158 Benchmark]: TraceAbstraction took 11302.88ms. Allocated memory was 83.9MB in the beginning and 121.6MB in the end (delta: 37.7MB). Free memory was 45.2MB in the beginning and 86.6MB in the end (delta: -41.5MB). Peak memory consumption was 63.7MB. Max. memory is 8.0GB. [2024-11-14 14:56:27,940 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 83.9MB. Free memory is still 38.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 540.45ms. Allocated memory is still 83.9MB. Free memory was 54.8MB in the beginning and 22.7MB in the end (delta: 32.1MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.17ms. Allocated memory is still 83.9MB. Free memory was 22.7MB in the beginning and 20.8MB in the end (delta: 1.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.75ms. Allocated memory is still 83.9MB. Free memory was 20.6MB in the beginning and 19.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 367.84ms. Allocated memory is still 83.9MB. Free memory was 19.5MB in the beginning and 45.6MB in the end (delta: -26.1MB). Peak memory consumption was 7.7MB. Max. memory is 8.0GB. * TraceAbstraction took 11302.88ms. Allocated memory was 83.9MB in the beginning and 121.6MB in the end (delta: 37.7MB). Free memory was 45.2MB in the beginning and 86.6MB in the end (delta: -41.5MB). Peak memory consumption was 63.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 726, independent: 624, independent conditional: 191, independent unconditional: 433, dependent: 102, dependent conditional: 99, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 627, independent: 624, independent conditional: 191, independent unconditional: 433, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 627, independent: 624, independent conditional: 191, independent unconditional: 433, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 627, independent: 624, independent conditional: 191, independent unconditional: 433, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 627, independent: 624, independent conditional: 0, independent unconditional: 624, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 627, independent: 624, independent conditional: 0, independent unconditional: 624, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 427, independent: 424, independent conditional: 0, independent unconditional: 424, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 427, independent: 422, independent conditional: 0, independent unconditional: 422, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 5, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 142, independent: 67, independent conditional: 0, independent unconditional: 67, dependent: 75, dependent conditional: 0, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 627, independent: 200, independent conditional: 0, independent unconditional: 200, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 427, unknown conditional: 0, unknown unconditional: 427] , Statistics on independence cache: Total cache size (in pairs): 427, Positive cache size: 424, Positive conditional cache size: 0, Positive unconditional cache size: 424, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 191, Maximal queried relation: 0, Independence queries for same thread: 99, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 95, Number of trivial persistent sets: 82, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 436, independent: 433, independent conditional: 0, independent unconditional: 433, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 726, independent: 624, independent conditional: 191, independent unconditional: 433, dependent: 102, dependent conditional: 99, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 627, independent: 624, independent conditional: 191, independent unconditional: 433, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 627, independent: 624, independent conditional: 191, independent unconditional: 433, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 627, independent: 624, independent conditional: 191, independent unconditional: 433, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 627, independent: 624, independent conditional: 0, independent unconditional: 624, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 627, independent: 624, independent conditional: 0, independent unconditional: 624, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 427, independent: 424, independent conditional: 0, independent unconditional: 424, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 427, independent: 422, independent conditional: 0, independent unconditional: 422, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 5, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 142, independent: 67, independent conditional: 0, independent unconditional: 67, dependent: 75, dependent conditional: 0, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 627, independent: 200, independent conditional: 0, independent unconditional: 200, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 427, unknown conditional: 0, unknown unconditional: 427] , Statistics on independence cache: Total cache size (in pairs): 427, Positive cache size: 424, Positive conditional cache size: 0, Positive unconditional cache size: 424, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 191, Maximal queried relation: 0, Independence queries for same thread: 99 - PositiveResult [Line: 1107]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 100 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 11.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 2.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 46, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 8.0s InterpolantComputationTime, 438 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 563 ConstructedInterpolants, 53 QuantifiedInterpolants, 4684 SizeOfPredicates, 21 NumberOfNonLiveVariables, 357 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 4/39 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: CheckTime: 0.0s, ConditionCalculationTime: 0.0s, CommutingCounterexamples: 0, ConditionCalculations: 19, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0, QuantifiedConditions: 0, FalseConditions: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-14 14:56:27,977 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...