/usr/bin/java -Xmx7000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONLY_ONE_CEGAR -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_33-traces-v-matters_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m [2023-09-07 23:12:53,457 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-07 23:12:53,515 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-07 23:12:53,519 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-07 23:12:53,520 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-07 23:12:53,520 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-07 23:12:53,540 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-07 23:12:53,540 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-07 23:12:53,540 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-07 23:12:53,543 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-07 23:12:53,544 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-07 23:12:53,544 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-07 23:12:53,544 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-07 23:12:53,545 INFO L153 SettingsManager]: * Use SBE=true [2023-09-07 23:12:53,545 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-07 23:12:53,545 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-07 23:12:53,545 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-07 23:12:53,546 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-07 23:12:53,546 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-07 23:12:53,546 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-07 23:12:53,546 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-07 23:12:53,546 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-07 23:12:53,546 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-07 23:12:53,547 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-07 23:12:53,547 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-07 23:12:53,547 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-07 23:12:53,547 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-07 23:12:53,547 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-07 23:12:53,548 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-07 23:12:53,548 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-07 23:12:53,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 23:12:53,549 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-07 23:12:53,549 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-07 23:12:53,549 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-07 23:12:53,549 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-07 23:12:53,549 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-07 23:12:53,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-07 23:12:53,549 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-07 23:12:53,549 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-07 23:12:53,549 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-07 23:12:53,549 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-07 23:12:53,550 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONLY_ONE_CEGAR [2023-09-07 23:12:53,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-07 23:12:53,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-07 23:12:53,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-07 23:12:53,726 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-07 23:12:53,727 INFO L274 PluginConnector]: CDTParser initialized [2023-09-07 23:12:53,727 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_33-traces-v-matters_true.i [2023-09-07 23:12:54,697 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-07 23:12:54,886 INFO L384 CDTParser]: Found 1 translation units. [2023-09-07 23:12:54,887 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_33-traces-v-matters_true.i [2023-09-07 23:12:54,896 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ee2f597c/9c509b7c16dc4ded8f192c19f24f2177/FLAG872b807b1 [2023-09-07 23:12:54,904 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ee2f597c/9c509b7c16dc4ded8f192c19f24f2177 [2023-09-07 23:12:54,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-07 23:12:54,906 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-07 23:12:54,907 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-07 23:12:54,907 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-07 23:12:54,910 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-07 23:12:54,910 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 11:12:54" (1/1) ... [2023-09-07 23:12:54,911 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@452d656a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:12:54, skipping insertion in model container [2023-09-07 23:12:54,911 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 11:12:54" (1/1) ... [2023-09-07 23:12:54,935 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-07 23:12:55,024 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_33-traces-v-matters_true.i[1093,1106] [2023-09-07 23:12:55,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 23:12:55,101 INFO L202 MainTranslator]: Completed pre-run [2023-09-07 23:12:55,107 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_33-traces-v-matters_true.i[1093,1106] [2023-09-07 23:12:55,113 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [231] [2023-09-07 23:12:55,114 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [232] [2023-09-07 23:12:55,123 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 23:12:55,145 INFO L206 MainTranslator]: Completed translation [2023-09-07 23:12:55,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:12:55 WrapperNode [2023-09-07 23:12:55,145 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-07 23:12:55,146 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-07 23:12:55,146 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-07 23:12:55,146 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-07 23:12:55,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:12:55" (1/1) ... [2023-09-07 23:12:55,157 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:12:55" (1/1) ... [2023-09-07 23:12:55,168 INFO L138 Inliner]: procedures = 162, calls = 36, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2023-09-07 23:12:55,168 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-07 23:12:55,168 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-07 23:12:55,168 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-07 23:12:55,168 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-07 23:12:55,173 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:12:55" (1/1) ... [2023-09-07 23:12:55,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:12:55" (1/1) ... [2023-09-07 23:12:55,175 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:12:55" (1/1) ... [2023-09-07 23:12:55,175 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:12:55" (1/1) ... [2023-09-07 23:12:55,177 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:12:55" (1/1) ... [2023-09-07 23:12:55,178 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:12:55" (1/1) ... [2023-09-07 23:12:55,179 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:12:55" (1/1) ... [2023-09-07 23:12:55,180 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:12:55" (1/1) ... [2023-09-07 23:12:55,181 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-07 23:12:55,182 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-07 23:12:55,182 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-07 23:12:55,182 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-07 23:12:55,182 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:12:55" (1/1) ... [2023-09-07 23:12:55,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 23:12:55,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 23:12:55,202 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-09-07 23:12:55,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-09-07 23:12:55,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-07 23:12:55,234 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-09-07 23:12:55,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-07 23:12:55,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-07 23:12:55,235 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-09-07 23:12:55,235 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-09-07 23:12:55,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-07 23:12:55,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-07 23:12:55,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-07 23:12:55,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-07 23:12:55,236 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-07 23:12:55,309 INFO L236 CfgBuilder]: Building ICFG [2023-09-07 23:12:55,310 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-07 23:12:55,409 INFO L277 CfgBuilder]: Performing block encoding [2023-09-07 23:12:55,413 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-07 23:12:55,413 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-09-07 23:12:55,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 11:12:55 BoogieIcfgContainer [2023-09-07 23:12:55,414 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-07 23:12:55,416 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-07 23:12:55,416 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-07 23:12:55,418 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-07 23:12:55,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 11:12:54" (1/3) ... [2023-09-07 23:12:55,418 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f88579a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 11:12:55, skipping insertion in model container [2023-09-07 23:12:55,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 11:12:55" (2/3) ... [2023-09-07 23:12:55,419 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f88579a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 11:12:55, skipping insertion in model container [2023-09-07 23:12:55,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 11:12:55" (3/3) ... [2023-09-07 23:12:55,419 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_33-traces-v-matters_true.i [2023-09-07 23:12:55,424 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-07 23:12:55,434 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-07 23:12:55,434 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-07 23:12:55,434 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-07 23:12:55,480 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-09-07 23:12:55,513 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 23:12:55,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-07 23:12:55,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 23:12:55,526 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-07 23:12:55,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-09-07 23:12:55,555 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-07 23:12:55,559 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-07 23:12:55,563 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@265516a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 23:12:55,563 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-09-07 23:12:55,589 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-07 23:12:55,592 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 23:12:55,592 INFO L85 PathProgramCache]: Analyzing trace with hash -2108022650, now seen corresponding path program 1 times [2023-09-07 23:12:55,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 23:12:55,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685784437] [2023-09-07 23:12:55,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 23:12:55,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 23:12:55,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 23:12:55,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 23:12:55,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 23:12:55,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685784437] [2023-09-07 23:12:55,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685784437] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 23:12:55,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 23:12:55,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-09-07 23:12:55,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654731612] [2023-09-07 23:12:55,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 23:12:55,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-09-07 23:12:55,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 23:12:55,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-09-07 23:12:55,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-09-07 23:12:55,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 23:12:55,993 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 23:12:55,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 23:12:55,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 23:12:56,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 23:12:56,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-07 23:12:56,211 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-07 23:12:56,211 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 23:12:56,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1465985219, now seen corresponding path program 1 times [2023-09-07 23:12:56,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 23:12:56,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917319376] [2023-09-07 23:12:56,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 23:12:56,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 23:12:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 23:12:56,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 23:12:56,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 23:12:56,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917319376] [2023-09-07 23:12:56,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917319376] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 23:12:56,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 23:12:56,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-07 23:12:56,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610135695] [2023-09-07 23:12:56,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 23:12:56,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-07 23:12:56,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 23:12:56,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-07 23:12:56,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-09-07 23:12:56,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 23:12:56,436 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 23:12:56,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 23:12:56,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 23:12:56,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 23:12:56,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 23:12:56,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-07 23:12:56,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-07 23:12:56,525 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-07 23:12:56,526 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 23:12:56,526 INFO L85 PathProgramCache]: Analyzing trace with hash -883515229, now seen corresponding path program 1 times [2023-09-07 23:12:56,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 23:12:56,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119212727] [2023-09-07 23:12:56,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 23:12:56,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 23:12:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 23:12:56,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 23:12:56,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 23:12:56,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119212727] [2023-09-07 23:12:56,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119212727] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 23:12:56,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 23:12:56,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-09-07 23:12:56,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153562141] [2023-09-07 23:12:56,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 23:12:56,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-09-07 23:12:56,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 23:12:56,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-09-07 23:12:56,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-09-07 23:12:56,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 23:12:56,793 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 23:12:56,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 23:12:56,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-07 23:12:56,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-07 23:12:56,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 23:12:57,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-07 23:12:57,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-07 23:12:57,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-07 23:12:57,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-09-07 23:12:57,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-09-07 23:12:57,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-09-07 23:12:57,075 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-09-07 23:12:57,077 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-07 23:12:57,077 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-07 23:12:57,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 11:12:57 BasicIcfg [2023-09-07 23:12:57,079 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-07 23:12:57,080 INFO L158 Benchmark]: Toolchain (without parser) took 2173.40ms. Allocated memory is still 267.4MB. Free memory was 224.7MB in the beginning and 170.6MB in the end (delta: 54.1MB). Peak memory consumption was 53.9MB. Max. memory is 7.0GB. [2023-09-07 23:12:57,082 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 200.3MB. Free memory is still 152.1MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-07 23:12:57,082 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.29ms. Allocated memory is still 267.4MB. Free memory was 224.7MB in the beginning and 205.6MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 7.0GB. [2023-09-07 23:12:57,084 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.33ms. Allocated memory is still 267.4MB. Free memory was 205.2MB in the beginning and 203.5MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. [2023-09-07 23:12:57,085 INFO L158 Benchmark]: Boogie Preprocessor took 12.98ms. Allocated memory is still 267.4MB. Free memory was 203.5MB in the beginning and 202.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-07 23:12:57,085 INFO L158 Benchmark]: RCFGBuilder took 232.80ms. Allocated memory is still 267.4MB. Free memory was 202.1MB in the beginning and 188.4MB in the end (delta: 13.7MB). Peak memory consumption was 13.6MB. Max. memory is 7.0GB. [2023-09-07 23:12:57,086 INFO L158 Benchmark]: TraceAbstraction took 1663.48ms. Allocated memory is still 267.4MB. Free memory was 188.0MB in the beginning and 170.6MB in the end (delta: 17.4MB). Peak memory consumption was 17.2MB. Max. memory is 7.0GB. [2023-09-07 23:12:57,090 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 200.3MB. Free memory is still 152.1MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 238.29ms. Allocated memory is still 267.4MB. Free memory was 224.7MB in the beginning and 205.6MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 22.33ms. Allocated memory is still 267.4MB. Free memory was 205.2MB in the beginning and 203.5MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. * Boogie Preprocessor took 12.98ms. Allocated memory is still 267.4MB. Free memory was 203.5MB in the beginning and 202.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * RCFGBuilder took 232.80ms. Allocated memory is still 267.4MB. Free memory was 202.1MB in the beginning and 188.4MB in the end (delta: 13.7MB). Peak memory consumption was 13.6MB. Max. memory is 7.0GB. * TraceAbstraction took 1663.48ms. Allocated memory is still 267.4MB. Free memory was 188.0MB in the beginning and 170.6MB in the end (delta: 17.4MB). Peak memory consumption was 17.2MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 231]: Unsoundness Warning unspecified type, defaulting to int C: short [231] - GenericResultAtLocation [Line: 232]: Unsoundness Warning unspecified type, defaulting to int C: short [232] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 274, independent: 260, independent conditional: 260, independent unconditional: 0, dependent: 14, dependent conditional: 14, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 274, independent: 260, independent conditional: 260, independent unconditional: 0, dependent: 14, dependent conditional: 14, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 274, independent: 260, independent conditional: 260, independent unconditional: 0, dependent: 14, dependent conditional: 14, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 313, independent: 260, independent conditional: 0, independent unconditional: 260, dependent: 53, dependent conditional: 39, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 313, independent: 260, independent conditional: 0, independent unconditional: 260, dependent: 53, dependent conditional: 0, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 313, independent: 260, independent conditional: 0, independent unconditional: 260, dependent: 53, dependent conditional: 0, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 274, independent: 260, independent conditional: 0, independent unconditional: 260, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 274, independent: 248, independent conditional: 0, independent unconditional: 248, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 26, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 26, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 39, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 313, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 274, unknown conditional: 0, unknown unconditional: 274] , Statistics on independence cache: Total cache size (in pairs): 274, Positive cache size: 260, Positive conditional cache size: 0, Positive unconditional cache size: 260, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 39, Maximal queried relation: 3, Independence queries for same thread: 0 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 38 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 88 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.6s, 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: 18, 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, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 168 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 165 ConstructedInterpolants, 0 QuantifiedInterpolants, 643 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-09-07 23:12:57,106 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 [2023-09-07 23:12:57,316 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...