/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-2_2-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-fffa3fa-m [2023-09-04 22:57:23,322 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-04 22:57:23,381 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-04 22:57:23,386 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-04 22:57:23,386 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-04 22:57:23,387 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-04 22:57:23,404 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-04 22:57:23,404 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-04 22:57:23,405 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-04 22:57:23,405 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-04 22:57:23,405 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-04 22:57:23,405 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-04 22:57:23,406 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-04 22:57:23,406 INFO L153 SettingsManager]: * Use SBE=true [2023-09-04 22:57:23,406 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-04 22:57:23,406 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-04 22:57:23,407 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-04 22:57:23,407 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-04 22:57:23,407 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-04 22:57:23,407 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-04 22:57:23,408 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-04 22:57:23,413 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-04 22:57:23,413 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-04 22:57:23,413 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-04 22:57:23,416 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-04 22:57:23,416 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-04 22:57:23,417 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-04 22:57:23,418 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-04 22:57:23,418 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-04 22:57:23,418 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-04 22:57:23,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-04 22:57:23,419 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-04 22:57:23,419 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-04 22:57:23,419 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-04 22:57:23,419 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-04 22:57:23,419 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-04 22:57:23,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-04 22:57:23,420 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-04 22:57:23,420 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-04 22:57:23,420 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-04 22:57:23,420 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-04 22:57:23,420 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-09-04 22:57:23,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-04 22:57:23,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-04 22:57:23,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-04 22:57:23,590 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-04 22:57:23,604 INFO L274 PluginConnector]: CDTParser initialized [2023-09-04 22:57:23,605 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_2-container_of.i [2023-09-04 22:57:24,567 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-04 22:57:24,816 INFO L384 CDTParser]: Found 1 translation units. [2023-09-04 22:57:24,817 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_2-container_of.i [2023-09-04 22:57:24,829 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/781441b51/c4596f977ae44d16af090576b8d31763/FLAGfb509a408 [2023-09-04 22:57:24,838 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/781441b51/c4596f977ae44d16af090576b8d31763 [2023-09-04 22:57:24,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-04 22:57:24,840 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-04 22:57:24,841 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-04 22:57:24,841 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-04 22:57:24,843 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-04 22:57:24,843 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 10:57:24" (1/1) ... [2023-09-04 22:57:24,844 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@729ece19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:24, skipping insertion in model container [2023-09-04 22:57:24,844 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 10:57:24" (1/1) ... [2023-09-04 22:57:24,890 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-09-04 22:57:24,974 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-09-04 22:57:25,363 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-2_2-container_of.i[75002,75015] [2023-09-04 22:57:25,393 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-04 22:57:25,400 INFO L201 MainTranslator]: Completed pre-run [2023-09-04 22:57:25,407 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-09-04 22:57:25,419 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [251] [2023-09-04 22:57:25,420 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [251] [2023-09-04 22:57:25,424 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [735] [2023-09-04 22:57:25,442 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-2_2-container_of.i[75002,75015] [2023-09-04 22:57:25,443 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned long [1691] [2023-09-04 22:57:25,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-04 22:57:25,531 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-04 22:57:25,531 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-04 22:57:25,531 WARN L669 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-09-04 22:57:25,536 INFO L206 MainTranslator]: Completed translation [2023-09-04 22:57:25,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:25 WrapperNode [2023-09-04 22:57:25,538 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-04 22:57:25,539 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-04 22:57:25,539 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-04 22:57:25,539 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-04 22:57:25,543 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:25" (1/1) ... [2023-09-04 22:57:25,562 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:25" (1/1) ... [2023-09-04 22:57:25,579 INFO L138 Inliner]: procedures = 468, calls = 48, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 118 [2023-09-04 22:57:25,579 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-04 22:57:25,579 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-04 22:57:25,580 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-04 22:57:25,580 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-04 22:57:25,585 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:25" (1/1) ... [2023-09-04 22:57:25,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:25" (1/1) ... [2023-09-04 22:57:25,593 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:25" (1/1) ... [2023-09-04 22:57:25,594 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:25" (1/1) ... [2023-09-04 22:57:25,600 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:25" (1/1) ... [2023-09-04 22:57:25,601 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:25" (1/1) ... [2023-09-04 22:57:25,603 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:25" (1/1) ... [2023-09-04 22:57:25,605 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:25" (1/1) ... [2023-09-04 22:57:25,608 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-04 22:57:25,609 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-04 22:57:25,609 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-04 22:57:25,609 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-04 22:57:25,609 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:25" (1/1) ... [2023-09-04 22:57:25,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-04 22:57:25,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 22:57:25,639 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 22:57:25,650 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 22:57:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-04 22:57:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-04 22:57:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-04 22:57:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-04 22:57:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-04 22:57:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-09-04 22:57:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-04 22:57:25,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-04 22:57:25,662 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-09-04 22:57:25,662 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-09-04 22:57:25,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-04 22:57:25,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-04 22:57:25,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-04 22:57:25,663 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 22:57:25,933 INFO L236 CfgBuilder]: Building ICFG [2023-09-04 22:57:25,935 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-04 22:57:26,164 INFO L277 CfgBuilder]: Performing block encoding [2023-09-04 22:57:26,184 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-04 22:57:26,185 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-09-04 22:57:26,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 10:57:26 BoogieIcfgContainer [2023-09-04 22:57:26,186 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-04 22:57:26,189 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-04 22:57:26,189 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-04 22:57:26,193 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-04 22:57:26,193 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 10:57:24" (1/3) ... [2023-09-04 22:57:26,193 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b71d845 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 10:57:26, skipping insertion in model container [2023-09-04 22:57:26,193 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:25" (2/3) ... [2023-09-04 22:57:26,194 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b71d845 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 10:57:26, skipping insertion in model container [2023-09-04 22:57:26,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 10:57:26" (3/3) ... [2023-09-04 22:57:26,198 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i [2023-09-04 22:57:26,203 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-04 22:57:26,209 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-04 22:57:26,209 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-09-04 22:57:26,209 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-04 22:57:26,261 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-09-04 22:57:26,288 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-04 22:57:26,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-04 22:57:26,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 22:57:26,299 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 22:57:26,300 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 22:57:26,342 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-04 22:57:26,347 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-04 22:57:26,352 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;@63743f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-04 22:57:26,352 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-09-04 22:57:26,394 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-09-04 22:57:26,399 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 22:57:26,399 INFO L85 PathProgramCache]: Analyzing trace with hash -260665929, now seen corresponding path program 1 times [2023-09-04 22:57:26,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 22:57:26,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354977159] [2023-09-04 22:57:26,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 22:57:26,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 22:57:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 22:57:27,175 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 22:57:27,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 22:57:27,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354977159] [2023-09-04 22:57:27,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354977159] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 22:57:27,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 22:57:27,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-04 22:57:27,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856643660] [2023-09-04 22:57:27,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 22:57:27,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-04 22:57:27,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 22:57:27,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-04 22:57:27,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-09-04 22:57:27,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:57:27,197 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 22:57:27,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 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 22:57:27,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:57:27,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-04 22:57:27,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-04 22:57:27,333 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-09-04 22:57:27,333 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 22:57:27,333 INFO L85 PathProgramCache]: Analyzing trace with hash -427177019, now seen corresponding path program 1 times [2023-09-04 22:57:27,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 22:57:27,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436477397] [2023-09-04 22:57:27,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 22:57:27,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 22:57:27,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 22:57:27,606 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 22:57:27,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 22:57:27,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436477397] [2023-09-04 22:57:27,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436477397] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 22:57:27,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 22:57:27,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-04 22:57:27,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175228192] [2023-09-04 22:57:27,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 22:57:27,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-04 22:57:27,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 22:57:27,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-04 22:57:27,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-09-04 22:57:27,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:57:27,612 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 22:57:27,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-04 22:57:27,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-04 22:57:27,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:57:27,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-04 22:57:27,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-04 22:57:27,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-04 22:57:27,783 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-09-04 22:57:27,783 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 22:57:27,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1662266285, now seen corresponding path program 1 times [2023-09-04 22:57:27,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 22:57:27,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894526380] [2023-09-04 22:57:27,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 22:57:27,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 22:57:27,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-04 22:57:27,866 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-04 22:57:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-04 22:57:28,061 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-04 22:57:28,061 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-04 22:57:28,062 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2023-09-04 22:57:28,064 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2023-09-04 22:57:28,064 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2023-09-04 22:57:28,064 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2023-09-04 22:57:28,064 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2023-09-04 22:57:28,064 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2023-09-04 22:57:28,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-09-04 22:57:28,070 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-09-04 22:57:28,073 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-04 22:57:28,073 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-04 22:57:28,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 10:57:28 BasicIcfg [2023-09-04 22:57:28,138 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-04 22:57:28,138 INFO L158 Benchmark]: Toolchain (without parser) took 3298.13ms. Allocated memory was 297.8MB in the beginning and 400.6MB in the end (delta: 102.8MB). Free memory was 252.6MB in the beginning and 243.1MB in the end (delta: 9.4MB). Peak memory consumption was 113.3MB. Max. memory is 7.0GB. [2023-09-04 22:57:28,138 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 162.5MB. Free memory was 111.6MB in the beginning and 111.4MB in the end (delta: 172.1kB). There was no memory consumed. Max. memory is 7.0GB. [2023-09-04 22:57:28,139 INFO L158 Benchmark]: CACSL2BoogieTranslator took 697.40ms. Allocated memory is still 297.8MB. Free memory was 252.0MB in the beginning and 197.4MB in the end (delta: 54.6MB). Peak memory consumption was 54.5MB. Max. memory is 7.0GB. [2023-09-04 22:57:28,139 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.46ms. Allocated memory is still 297.8MB. Free memory was 197.4MB in the beginning and 194.4MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. [2023-09-04 22:57:28,139 INFO L158 Benchmark]: Boogie Preprocessor took 28.65ms. Allocated memory is still 297.8MB. Free memory was 194.4MB in the beginning and 191.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-04 22:57:28,139 INFO L158 Benchmark]: RCFGBuilder took 577.74ms. Allocated memory is still 297.8MB. Free memory was 191.2MB in the beginning and 167.6MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 7.0GB. [2023-09-04 22:57:28,140 INFO L158 Benchmark]: TraceAbstraction took 1948.97ms. Allocated memory was 297.8MB in the beginning and 400.6MB in the end (delta: 102.8MB). Free memory was 167.1MB in the beginning and 243.1MB in the end (delta: -76.0MB). Peak memory consumption was 27.3MB. Max. memory is 7.0GB. [2023-09-04 22:57:28,149 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 162.5MB. Free memory was 111.6MB in the beginning and 111.4MB in the end (delta: 172.1kB). There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 697.40ms. Allocated memory is still 297.8MB. Free memory was 252.0MB in the beginning and 197.4MB in the end (delta: 54.6MB). Peak memory consumption was 54.5MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 40.46ms. Allocated memory is still 297.8MB. Free memory was 197.4MB in the beginning and 194.4MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 28.65ms. Allocated memory is still 297.8MB. Free memory was 194.4MB in the beginning and 191.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * RCFGBuilder took 577.74ms. Allocated memory is still 297.8MB. Free memory was 191.2MB in the beginning and 167.6MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 7.0GB. * TraceAbstraction took 1948.97ms. Allocated memory was 297.8MB in the beginning and 400.6MB in the end (delta: 102.8MB). Free memory was 167.1MB in the beginning and 243.1MB in the end (delta: -76.0MB). Peak memory consumption was 27.3MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 251]: Unsoundness Warning unspecified type, defaulting to int C: short [251] - GenericResultAtLocation [Line: 251]: Unsoundness Warning unspecified type, defaulting to int C: short [251] - GenericResultAtLocation [Line: 735]: Unsoundness Warning unspecified type, defaulting to int C: unsigned short [735] - GenericResultAtLocation [Line: 1691]: Unsoundness Warning unspecified type, defaulting to int C: unsigned long [1691] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 6, dependent conditional: 6, 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: 6 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0 - CounterExampleResult [Line: 1675]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1676] 0 pthread_t t1,t2; VAL [t1={3:0}, t2={4:0}] [L1731] CALL, EXPR 0 my_drv_init() [L1725] 0 return 0; VAL [\result=0, t1={3:0}, t2={4:0}] [L1731] RET, EXPR 0 my_drv_init() [L1731] 0 int ret = my_drv_init(); VAL [my_drv_init()=0, ret=0, t1={3:0}, t2={4:0}] [L1732] COND TRUE 0 ret==0 VAL [ret=0, t1={3:0}, t2={4:0}] [L1733] 0 int probe_ret; VAL [ret=0, t1={3:0}, t2={4:0}] [L1734] 0 struct my_data data; VAL [data={5:0}, ret=0, t1={3:0}, t2={4:0}] [L1735] CALL, EXPR 0 my_drv_probe(&data) [L1704] 0 struct device *d = &data->dev; VAL [d={5:24}, data={5:0}, data={5:0}, t1={3:0}, t2={4:0}] [L1706] 0 data->shared.a = 0 VAL [d={5:24}, data={5:0}, data={5:0}, t1={3:0}, t2={4:0}] [L1707] 0 data->shared.b = 0 VAL [d={5:24}, data={5:0}, data={5:0}, t1={3:0}, t2={4:0}] [L1708] 0 int res = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, d={5:24}, data={5:0}, data={5:0}, res=0, t1={3:0}, t2={4:0}] [L1709] COND FALSE 0 !(\read(res)) VAL [d={5:24}, data={5:0}, data={5:0}, res=0, t1={3:0}, t2={4:0}] [L1711] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={5:24}, d={5:24}, data={5:0}, data={5:0}, pthread_create(&t1, ((void *)0), my_callback, (void *)d)=-1, res=0, t1={3:0}, t2={4:0}] [L1712] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [arg={5:24}, d={5:24}, data={5:0}, data={5:0}, pthread_create(&t2, ((void *)0), my_callback, (void *)d)=0, res=0, t1={3:0}, t2={4:0}] [L1713] 0 return 0; VAL [\result=0, arg={5:24}, d={5:24}, data={5:0}, data={5:0}, res=0, t1={3:0}, t2={4:0}] [L1735] RET, EXPR 0 my_drv_probe(&data) [L1735] 0 probe_ret = my_drv_probe(&data) VAL [arg={5:24}, data={5:0}, my_drv_probe(&data)=0, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L1736] COND TRUE 0 probe_ret==0 [L1737] CALL 0 my_drv_disconnect(&data) [L1719] 0 void *status; VAL [arg={5:24}, data={5:0}, data={5:0}, status={6:0}, t1={3:0}, t2={4:0}] [L1720] 0 \read(t1) VAL [\read(t1)=-1, arg={5:24}, data={5:0}, data={5:0}, status={6:0}, t1={3:0}, t2={4:0}] [L1689] 1 struct device *dev = (struct device*)arg; VAL [arg={5:24}, arg={5:24}, dev={5:24}, t1={3:0}, t2={4:0}] [L1690] 1 struct my_data *data; VAL [arg={5:24}, arg={5:24}, dev={5:24}, t1={3:0}, t2={4:0}] [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, dev={5:24}, t1={3:0}, t2={4:0}] [L1691] 1 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );} VAL [arg={5:24}, arg={5:24}, dev={5:24}, t1={3:0}, t2={4:0}] [L1691] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={5:20}, arg={5:24}, arg={5:24}, data={5:-4}, dev={5:24}, t1={3:0}, t2={4:0}] [L1693] 1 data->shared.a = 1 VAL [__mptr={5:20}, arg={5:24}, arg={5:24}, data={5:-4}, dev={5:24}, t1={3:0}, t2={4:0}] [L1696] EXPR 1 data->shared.b [L1696] 1 int lb = data->shared.b; [L1699] 1 data->shared.b = lb + 1 VAL [__mptr={5:20}, arg={5:24}, arg={5:24}, data={5:-4}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1701] 1 return 0; VAL [\result={0:0}, __mptr={5:20}, arg={5:24}, arg={5:24}, data={5:-4}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1720] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\read(t1)=-1, \result={0:0}, __mptr={5:20}, arg={5:24}, arg={5:24}, data={5:-4}, data={5:0}, data={5:0}, dev={5:24}, lb=0, pthread_join(t1, &status)={0:0}, status={6:0}, t1={3:0}, t2={4:0}] [L1721] 0 \read(t2) VAL [\read(t2)=0, \result={0:0}, __mptr={5:20}, arg={5:24}, arg={5:24}, data={5:-4}, data={5:0}, data={5:0}, dev={5:24}, lb=0, status={6:0}, t1={3:0}, t2={4:0}] [L1689] 2 struct device *dev = (struct device*)arg; VAL [\result={0:0}, __mptr={5:20}, arg={5:24}, arg={5:24}, data={5:-4}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1690] 2 struct my_data *data; VAL [\result={0:0}, __mptr={5:20}, arg={5:24}, arg={5:24}, data={5:-4}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1691] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [\result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:-4}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1691] 2 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );} VAL [\result={0:0}, __mptr={5:20}, arg={5:24}, arg={5:24}, data={5:-4}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1691] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [\result={0:0}, __mptr={5:20}, arg={5:24}, arg={5:24}, data={5:-4}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1693] 2 data->shared.a = 1 VAL [\result={0:0}, __mptr={5:20}, arg={5:24}, arg={5:24}, data={5:-4}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1696] EXPR 2 data->shared.b [L1696] 2 int lb = data->shared.b; [L1699] 2 data->shared.b = lb + 1 VAL [\result={0:0}, __mptr={5:20}, arg={5:24}, arg={5:24}, data={5:-4}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1701] 2 return 0; VAL [\result={0:0}, __mptr={5:20}, arg={5:24}, arg={5:24}, data={5:-4}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1721] FCALL, JOIN 2 pthread_join(t2, &status) VAL [\read(t2)=0, \result={0:0}, __mptr={5:20}, arg={5:24}, arg={5:24}, data={5:-4}, data={5:0}, data={5:0}, dev={5:24}, lb=0, pthread_join(t2, &status)={0:0}, status={6:0}, t1={3:0}, t2={4:0}] [L1737] RET 0 my_drv_disconnect(&data) [L1738] EXPR 0 data.shared.a VAL [\result={0:0}, __mptr={5:20}, arg={5:24}, arg={5:24}, data.shared.a=2, data={5:-4}, data={5:0}, dev={5:24}, lb=0, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L1738] CALL 0 ldv_assert(data.shared.a==1) [L1675] COND TRUE 0 !expression VAL [\old(expression)=0, \result={0:0}, __mptr={5:20}, arg={5:24}, arg={5:24}, data={5:-4}, dev={5:24}, expression=0, lb=0, t1={3:0}, t2={4:0}] [L1675] 0 reach_error() VAL [\old(expression)=0, \result={0:0}, __mptr={5:20}, arg={5:24}, arg={5:24}, data={5:-4}, dev={5:24}, expression=0, lb=0, t1={3:0}, t2={4:0}] - UnprovableResult [Line: 1675]: 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: 1675]: 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: 1675]: 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: 1712]: 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: 1711]: 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, 159 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, 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: 17, 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, 0.8s InterpolantComputationTime, 212 NumberOfCodeBlocks, 212 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 346 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 22:57:28,171 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 22:57:28,375 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...