/usr/bin/java -Xmx7000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-fffa3fa-m [2023-09-04 22:57:46,752 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-04 22:57:46,836 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-04 22:57:46,842 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-04 22:57:46,842 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-04 22:57:46,843 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-04 22:57:46,872 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-04 22:57:46,872 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-04 22:57:46,873 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-04 22:57:46,876 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-04 22:57:46,876 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-04 22:57:46,877 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-04 22:57:46,877 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-04 22:57:46,879 INFO L153 SettingsManager]: * Use SBE=true [2023-09-04 22:57:46,879 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-04 22:57:46,879 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-04 22:57:46,879 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-04 22:57:46,879 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-04 22:57:46,880 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-04 22:57:46,880 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-04 22:57:46,880 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-04 22:57:46,880 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-04 22:57:46,881 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-04 22:57:46,881 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-04 22:57:46,882 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-04 22:57:46,882 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-04 22:57:46,883 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-04 22:57:46,883 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-04 22:57:46,883 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-04 22:57:46,883 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-04 22:57:46,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-04 22:57:46,884 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-04 22:57:46,884 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-04 22:57:46,885 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-04 22:57:46,885 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-04 22:57:46,885 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-04 22:57:46,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-04 22:57:46,885 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-04 22:57:46,885 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-04 22:57:46,885 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-04 22:57:46,886 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-04 22:57:46,886 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-09-04 22:57:47,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-04 22:57:47,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-04 22:57:47,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-04 22:57:47,124 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-04 22:57:47,124 INFO L274 PluginConnector]: CDTParser initialized [2023-09-04 22:57:47,125 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2023-09-04 22:57:48,200 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-04 22:57:48,486 INFO L384 CDTParser]: Found 1 translation units. [2023-09-04 22:57:48,487 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2023-09-04 22:57:48,511 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/965718852/c1deb26877904dabaeb7096a908cc415/FLAGecc76506f [2023-09-04 22:57:48,527 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/965718852/c1deb26877904dabaeb7096a908cc415 [2023-09-04 22:57:48,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-04 22:57:48,534 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-04 22:57:48,536 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-04 22:57:48,537 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-04 22:57:48,540 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-04 22:57:48,540 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 10:57:48" (1/1) ... [2023-09-04 22:57:48,541 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33bb18be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:48, skipping insertion in model container [2023-09-04 22:57:48,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 10:57:48" (1/1) ... [2023-09-04 22:57:48,615 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-09-04 22:57:49,189 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i[76084,76097] [2023-09-04 22:57:49,215 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-04 22:57:49,223 INFO L201 MainTranslator]: Completed pre-run [2023-09-04 22:57:49,236 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [237] [2023-09-04 22:57:49,238 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [237] [2023-09-04 22:57:49,245 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [729] [2023-09-04 22:57:49,262 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i[76084,76097] [2023-09-04 22:57:49,264 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned long [1709] [2023-09-04 22:57:49,273 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-04 22:57:49,379 INFO L206 MainTranslator]: Completed translation [2023-09-04 22:57:49,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:49 WrapperNode [2023-09-04 22:57:49,380 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-04 22:57:49,381 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-04 22:57:49,381 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-04 22:57:49,381 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-04 22:57:49,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:49" (1/1) ... [2023-09-04 22:57:49,430 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:49" (1/1) ... [2023-09-04 22:57:49,466 INFO L138 Inliner]: procedures = 482, calls = 46, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 137 [2023-09-04 22:57:49,466 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-04 22:57:49,467 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-04 22:57:49,467 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-04 22:57:49,467 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-04 22:57:49,474 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:49" (1/1) ... [2023-09-04 22:57:49,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:49" (1/1) ... [2023-09-04 22:57:49,484 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:49" (1/1) ... [2023-09-04 22:57:49,484 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:49" (1/1) ... [2023-09-04 22:57:49,500 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:49" (1/1) ... [2023-09-04 22:57:49,502 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:49" (1/1) ... [2023-09-04 22:57:49,504 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:49" (1/1) ... [2023-09-04 22:57:49,506 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:49" (1/1) ... [2023-09-04 22:57:49,512 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-04 22:57:49,513 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-04 22:57:49,514 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-04 22:57:49,514 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-04 22:57:49,514 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:49" (1/1) ... [2023-09-04 22:57:49,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-04 22:57:49,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 22:57:49,560 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) [2023-09-04 22:57:49,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-04 22:57:49,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-04 22:57:49,590 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-09-04 22:57:49,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-04 22:57:49,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-09-04 22:57:49,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-04 22:57:49,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-04 22:57:49,592 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-09-04 22:57:49,592 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-09-04 22:57:49,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-04 22:57:49,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-04 22:57:49,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-04 22:57:49,572 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 [2023-09-04 22:57:49,594 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-04 22:57:49,813 INFO L236 CfgBuilder]: Building ICFG [2023-09-04 22:57:49,814 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-04 22:57:49,991 INFO L277 CfgBuilder]: Performing block encoding [2023-09-04 22:57:49,998 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-04 22:57:49,998 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-09-04 22:57:50,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 10:57:49 BoogieIcfgContainer [2023-09-04 22:57:50,000 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-04 22:57:50,002 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-04 22:57:50,002 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-04 22:57:50,005 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-04 22:57:50,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 10:57:48" (1/3) ... [2023-09-04 22:57:50,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@409ee71a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 10:57:50, skipping insertion in model container [2023-09-04 22:57:50,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:49" (2/3) ... [2023-09-04 22:57:50,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@409ee71a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 10:57:50, skipping insertion in model container [2023-09-04 22:57:50,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 10:57:49" (3/3) ... [2023-09-04 22:57:50,007 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_1-container_of-global.i [2023-09-04 22:57:50,014 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-04 22:57:50,021 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-04 22:57:50,021 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-09-04 22:57:50,022 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-04 22:57:50,088 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-09-04 22:57:50,133 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-04 22:57:50,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-04 22:57:50,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 22:57:50,135 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) [2023-09-04 22:57:50,137 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 [2023-09-04 22:57:50,178 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-04 22:57:50,184 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-04 22:57:50,189 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;@1d1953bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-04 22:57:50,189 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-09-04 22:57:50,213 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-09-04 22:57:50,217 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 22:57:50,217 INFO L85 PathProgramCache]: Analyzing trace with hash -238562276, now seen corresponding path program 1 times [2023-09-04 22:57:50,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 22:57:50,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815790353] [2023-09-04 22:57:50,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 22:57:50,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 22:57:50,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 22:57:50,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-04 22:57:50,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 22:57:50,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815790353] [2023-09-04 22:57:50,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815790353] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 22:57:50,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 22:57:50,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-04 22:57:50,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672545455] [2023-09-04 22:57:50,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 22:57:50,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-04 22:57:50,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 22:57:50,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-04 22:57:50,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-09-04 22:57:50,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:57:50,976 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 22:57:50,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 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) [2023-09-04 22:57:50,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:57:51,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-04 22:57:51,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-04 22:57:51,114 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-09-04 22:57:51,115 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 22:57:51,115 INFO L85 PathProgramCache]: Analyzing trace with hash 635014522, now seen corresponding path program 1 times [2023-09-04 22:57:51,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 22:57:51,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031163587] [2023-09-04 22:57:51,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 22:57:51,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 22:57:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 22:57:51,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-04 22:57:51,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 22:57:51,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031163587] [2023-09-04 22:57:51,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031163587] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 22:57:51,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 22:57:51,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-04 22:57:51,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890924997] [2023-09-04 22:57:51,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 22:57:51,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-04 22:57:51,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 22:57:51,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-04 22:57:51,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-09-04 22:57:51,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:57:51,373 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 22:57:51,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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) [2023-09-04 22:57:51,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-04 22:57:51,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:57:51,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-04 22:57:51,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-04 22:57:51,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-04 22:57:51,535 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-09-04 22:57:51,536 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 22:57:51,536 INFO L85 PathProgramCache]: Analyzing trace with hash 120610843, now seen corresponding path program 1 times [2023-09-04 22:57:51,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 22:57:51,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664891702] [2023-09-04 22:57:51,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 22:57:51,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 22:57:51,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 22:57:51,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-04 22:57:51,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 22:57:51,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664891702] [2023-09-04 22:57:51,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664891702] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 22:57:51,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 22:57:51,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-04 22:57:51,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627253709] [2023-09-04 22:57:51,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 22:57:51,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-04 22:57:51,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 22:57:51,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-04 22:57:51,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-09-04 22:57:51,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:57:51,904 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 22:57:51,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 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) [2023-09-04 22:57:51,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-04 22:57:51,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-09-04 22:57:51,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:57:52,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-04 22:57:52,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-04 22:57:52,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-04 22:57:52,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-09-04 22:57:52,032 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-09-04 22:57:52,034 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 22:57:52,034 INFO L85 PathProgramCache]: Analyzing trace with hash 912980363, now seen corresponding path program 1 times [2023-09-04 22:57:52,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 22:57:52,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762610881] [2023-09-04 22:57:52,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 22:57:52,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 22:57:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 22:57:52,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-04 22:57:52,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 22:57:52,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762610881] [2023-09-04 22:57:52,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762610881] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 22:57:52,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 22:57:52,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-04 22:57:52,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124377471] [2023-09-04 22:57:52,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 22:57:52,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-04 22:57:52,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 22:57:52,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-04 22:57:52,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-09-04 22:57:52,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:57:52,340 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 22:57:52,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 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) [2023-09-04 22:57:52,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-04 22:57:52,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-09-04 22:57:52,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-04 22:57:52,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:57:52,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-04 22:57:52,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-04 22:57:52,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-04 22:57:52,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-04 22:57:52,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-09-04 22:57:52,576 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-09-04 22:57:52,576 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 22:57:52,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1388714217, now seen corresponding path program 1 times [2023-09-04 22:57:52,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 22:57:52,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738743386] [2023-09-04 22:57:52,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 22:57:52,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 22:57:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-04 22:57:52,739 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-04 22:57:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-04 22:57:52,835 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-04 22:57:52,835 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-04 22:57:52,836 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2023-09-04 22:57:52,837 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2023-09-04 22:57:52,838 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2023-09-04 22:57:52,838 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2023-09-04 22:57:52,838 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2023-09-04 22:57:52,838 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2023-09-04 22:57:52,838 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2023-09-04 22:57:52,838 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2023-09-04 22:57:52,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-09-04 22:57:52,841 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-09-04 22:57:52,845 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-04 22:57:52,845 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-04 22:57:52,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 10:57:52 BasicIcfg [2023-09-04 22:57:52,924 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-04 22:57:52,925 INFO L158 Benchmark]: Toolchain (without parser) took 4390.65ms. Allocated memory is still 251.7MB. Free memory was 201.3MB in the beginning and 109.2MB in the end (delta: 92.1MB). Peak memory consumption was 93.2MB. Max. memory is 7.0GB. [2023-09-04 22:57:52,925 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 153.1MB. Free memory was 107.2MB in the beginning and 107.1MB in the end (delta: 143.5kB). There was no memory consumed. Max. memory is 7.0GB. [2023-09-04 22:57:52,925 INFO L158 Benchmark]: CACSL2BoogieTranslator took 843.78ms. Allocated memory is still 251.7MB. Free memory was 201.3MB in the beginning and 144.7MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 7.0GB. [2023-09-04 22:57:52,925 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.17ms. Allocated memory is still 251.7MB. Free memory was 144.7MB in the beginning and 141.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 7.0GB. [2023-09-04 22:57:52,926 INFO L158 Benchmark]: Boogie Preprocessor took 45.59ms. Allocated memory is still 251.7MB. Free memory was 141.0MB in the beginning and 138.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-04 22:57:52,926 INFO L158 Benchmark]: RCFGBuilder took 486.45ms. Allocated memory is still 251.7MB. Free memory was 138.4MB in the beginning and 114.3MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 7.0GB. [2023-09-04 22:57:52,926 INFO L158 Benchmark]: TraceAbstraction took 2922.24ms. Allocated memory is still 251.7MB. Free memory was 113.2MB in the beginning and 109.2MB in the end (delta: 4.0MB). Peak memory consumption was 5.1MB. Max. memory is 7.0GB. [2023-09-04 22:57:52,927 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 153.1MB. Free memory was 107.2MB in the beginning and 107.1MB in the end (delta: 143.5kB). There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 843.78ms. Allocated memory is still 251.7MB. Free memory was 201.3MB in the beginning and 144.7MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 85.17ms. Allocated memory is still 251.7MB. Free memory was 144.7MB in the beginning and 141.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 7.0GB. * Boogie Preprocessor took 45.59ms. Allocated memory is still 251.7MB. Free memory was 141.0MB in the beginning and 138.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * RCFGBuilder took 486.45ms. Allocated memory is still 251.7MB. Free memory was 138.4MB in the beginning and 114.3MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 7.0GB. * TraceAbstraction took 2922.24ms. Allocated memory is still 251.7MB. Free memory was 113.2MB in the beginning and 109.2MB in the end (delta: 4.0MB). Peak memory consumption was 5.1MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 237]: Unsoundness Warning unspecified type, defaulting to int C: short [237] - GenericResultAtLocation [Line: 237]: Unsoundness Warning unspecified type, defaulting to int C: short [237] - GenericResultAtLocation [Line: 729]: Unsoundness Warning unspecified type, defaulting to int C: unsigned short [729] - GenericResultAtLocation [Line: 1709]: Unsoundness Warning unspecified type, defaulting to int C: unsigned long [1709] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 13, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 13, dependent conditional: 13, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 13 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0 - CounterExampleResult [Line: 1693]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1694] 0 pthread_t t1,t2; VAL [t1={3:0}, t2={4:0}] [L1706] 0 struct device *my_dev; VAL [my_dev={0:0}, t1={3:0}, t2={4:0}] [L1746] CALL, EXPR 0 my_drv_init() [L1740] 0 return 0; VAL [\result=0, my_dev={0:0}, t1={3:0}, t2={4:0}] [L1746] RET, EXPR 0 my_drv_init() [L1746] 0 int ret = my_drv_init(); VAL [my_dev={0:0}, my_drv_init()=0, ret=0, t1={3:0}, t2={4:0}] [L1747] COND TRUE 0 ret==0 VAL [my_dev={0:0}, ret=0, t1={3:0}, t2={4:0}] [L1748] 0 int probe_ret; VAL [my_dev={0:0}, ret=0, t1={3:0}, t2={4:0}] [L1749] 0 struct my_data data; VAL [data={7:0}, my_dev={0:0}, ret=0, t1={3:0}, t2={4:0}] [L1750] CALL, EXPR 0 my_drv_probe(&data) [L1718] 0 data->shared.a = 0 VAL [data={7:0}, data={7:0}, my_dev={0:0}, t1={3:0}, t2={4:0}] [L1719] 0 data->shared.b = 0 VAL [data={7:0}, data={7:0}, my_dev={0:0}, t1={3:0}, t2={4:0}] [L1720] EXPR 0 data->shared.a VAL [data->shared.a=0, data={7:0}, data={7:0}, my_dev={0:0}, t1={3:0}, t2={4:0}] [L1720] CALL 0 ldv_assert(data->shared.a==0) [L1693] COND FALSE 0 !(!expression) VAL [\old(expression)=1, expression=1, my_dev={0:0}, t1={3:0}, t2={4:0}] [L1720] RET 0 ldv_assert(data->shared.a==0) [L1721] EXPR 0 data->shared.b VAL [data->shared.b=0, data={7:0}, data={7:0}, my_dev={0:0}, t1={3:0}, t2={4:0}] [L1721] CALL 0 ldv_assert(data->shared.b==0) [L1693] COND FALSE 0 !(!expression) VAL [\old(expression)=1, expression=1, my_dev={0:0}, t1={3:0}, t2={4:0}] [L1721] RET 0 ldv_assert(data->shared.b==0) [L1722] 0 int res = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, data={7:0}, data={7:0}, my_dev={0:0}, res=0, t1={3:0}, t2={4:0}] [L1723] COND FALSE 0 !(\read(res)) VAL [data={7:0}, data={7:0}, my_dev={0:0}, res=0, t1={3:0}, t2={4:0}] [L1725] 0 my_dev = &data->dev VAL [data={7:0}, data={7:0}, my_dev={7:24}, res=0, t1={3:0}, t2={4:0}] [L1726] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, ((void *)0)) VAL [arg={0:0}, data={7:0}, data={7:0}, my_dev={7:24}, pthread_create(&t1, ((void *)0), my_callback, ((void *)0))=2147483646, res=0, t1={3:0}, t2={4:0}] [L1727] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, ((void *)0)) VAL [arg={0:0}, data={7:0}, data={7:0}, my_dev={7:24}, pthread_create(&t2, ((void *)0), my_callback, ((void *)0))=2147483647, res=0, t1={3:0}, t2={4:0}] [L1728] 0 return 0; VAL [\result=0, arg={0:0}, data={7:0}, data={7:0}, my_dev={7:24}, res=0, t1={3:0}, t2={4:0}] [L1750] RET, EXPR 0 my_drv_probe(&data) [L1750] 0 probe_ret = my_drv_probe(&data) VAL [arg={0:0}, data={7:0}, my_dev={7:24}, my_drv_probe(&data)=0, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L1751] COND TRUE 0 probe_ret==0 [L1752] CALL 0 my_drv_disconnect(&data) [L1734] 0 void *status; VAL [arg={0:0}, data={7:0}, data={7:0}, my_dev={7:24}, status={5:0}, t1={3:0}, t2={4:0}] [L1735] 0 \read(t1) VAL [\read(t1)=2147483646, arg={0:0}, data={7:0}, data={7:0}, my_dev={7:24}, status={5:0}, t1={3:0}, t2={4:0}] [L1708] 1 struct my_data *data; VAL [arg={0:0}, arg={0:0}, my_dev={7:24}, t1={3:0}, t2={4:0}] [L1709] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); VAL [__mptr={7:24}, arg={0:0}, arg={0:0}, my_dev={7:24}, t1={3:0}, t2={4:0}] [L1709] 1 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );} VAL [arg={0:0}, arg={0:0}, my_dev={7:24}, t1={3:0}, t2={4:0}] [L1709] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={2147483668:0}, arg={0:0}, arg={0:0}, data={2147483668:-24}, my_dev={7:24}, t1={3:0}, t2={4:0}] [L1711] 1 data->shared.a = 1 VAL [__mptr={2147483668:0}, arg={0:0}, arg={0:0}, data={2147483668:-24}, my_dev={7:24}, t1={3:0}, t2={4:0}] [L1712] EXPR 1 data->shared.b VAL [__mptr={2147483668:0}, arg={0:0}, arg={0:0}, data->shared.b=-2, data={2147483668:-24}, my_dev={7:24}, t1={3:0}, t2={4:0}] [L1712] 1 data->shared.b = data->shared.b + 1 VAL [__mptr={2147483668:0}, arg={0:0}, arg={0:0}, data->shared.b=-2, data={2147483668:-24}, my_dev={7:24}, t1={3:0}, t2={4:0}] [L1714] 1 return 0; VAL [\result={0:0}, __mptr={2147483668:0}, arg={0:0}, arg={0:0}, data={2147483668:-24}, my_dev={7:24}, t1={3:0}, t2={4:0}] [L1735] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\read(t1)=2147483646, \result={0:0}, __mptr={2147483668:0}, arg={0:0}, arg={0:0}, data={2147483668:-24}, data={7:0}, data={7:0}, my_dev={7:24}, pthread_join(t1, &status)={0:0}, status={5:0}, t1={3:0}, t2={4:0}] [L1736] 0 \read(t2) VAL [\read(t2)=2147483647, \result={0:0}, __mptr={2147483668:0}, arg={0:0}, arg={0:0}, data={2147483668:-24}, data={7:0}, data={7:0}, my_dev={7:24}, status={5:0}, t1={3:0}, t2={4:0}] [L1708] 2 struct my_data *data; VAL [\result={0:0}, __mptr={2147483668:0}, arg={0:0}, arg={0:0}, data={2147483668:-24}, my_dev={7:24}, t1={3:0}, t2={4:0}] [L1709] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); VAL [\result={0:0}, __mptr={7:24}, arg={0:0}, arg={0:0}, data={2147483668:-24}, my_dev={7:24}, t1={3:0}, t2={4:0}] [L1709] 2 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );} VAL [\result={0:0}, __mptr={2147483668:0}, arg={0:0}, arg={0:0}, data={2147483668:-24}, my_dev={7:24}, t1={3:0}, t2={4:0}] [L1709] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [\result={0:0}, __mptr={2147483665:6}, arg={0:0}, arg={0:0}, data={2147483668:-24}, my_dev={7:24}, t1={3:0}, t2={4:0}] [L1711] 2 data->shared.a = 1 VAL [\result={0:0}, __mptr={2147483665:6}, arg={0:0}, arg={0:0}, data={2147483668:-24}, my_dev={7:24}, t1={3:0}, t2={4:0}] [L1712] EXPR 2 data->shared.b VAL [\result={0:0}, __mptr={2147483665:6}, arg={0:0}, arg={0:0}, data->shared.b=-4, data={2147483668:-24}, my_dev={7:24}, t1={3:0}, t2={4:0}] [L1712] 2 data->shared.b = data->shared.b + 1 VAL [\result={0:0}, __mptr={2147483665:6}, arg={0:0}, arg={0:0}, data->shared.b=-4, data={2147483668:-24}, my_dev={7:24}, t1={3:0}, t2={4:0}] [L1714] 2 return 0; VAL [\result={0:0}, __mptr={2147483665:6}, arg={0:0}, arg={0:0}, data={2147483668:-24}, my_dev={7:24}, t1={3:0}, t2={4:0}] [L1736] FCALL, JOIN 2 pthread_join(t2, &status) VAL [\read(t2)=2147483647, \result={0:0}, __mptr={2147483665:6}, arg={0:0}, arg={0:0}, data={2147483668:-24}, data={7:0}, data={7:0}, my_dev={7:24}, pthread_join(t2, &status)={0:0}, status={5:0}, t1={3:0}, t2={4:0}] [L1752] RET 0 my_drv_disconnect(&data) [L1753] EXPR 0 data.shared.a VAL [\result={0:0}, __mptr={2147483665:6}, arg={0:0}, arg={0:0}, data.shared.a=0, data={2147483668:-24}, data={7:0}, my_dev={7:24}, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L1753] CALL 0 ldv_assert(data.shared.a==1) [L1693] COND TRUE 0 !expression VAL [\old(expression)=0, \result={0:0}, __mptr={2147483665:6}, arg={0:0}, arg={0:0}, data={2147483668:-24}, expression=0, my_dev={7:24}, t1={3:0}, t2={4:0}] [L1693] 0 reach_error() VAL [\old(expression)=0, \result={0:0}, __mptr={2147483665:6}, arg={0:0}, arg={0:0}, data={2147483668:-24}, expression=0, my_dev={7:24}, t1={3:0}, t2={4:0}] - UnprovableResult [Line: 1693]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1693]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1693]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1693]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1693]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1727]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1726]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 187 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.7s, 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: 36, 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, 1.3s InterpolantComputationTime, 337 NumberOfCodeBlocks, 337 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 544 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 RESULT: Ultimate proved your program to be incorrect! [2023-09-04 22:57:52,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-09-04 22:57:53,150 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...