/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_4-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-fffa3fa-m [2023-09-04 22:57:39,571 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-04 22:57:39,651 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-04 22:57:39,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-04 22:57:39,655 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-04 22:57:39,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-04 22:57:39,680 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-04 22:57:39,681 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-04 22:57:39,681 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-04 22:57:39,685 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-04 22:57:39,685 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-04 22:57:39,686 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-04 22:57:39,687 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-04 22:57:39,688 INFO L153 SettingsManager]: * Use SBE=true [2023-09-04 22:57:39,688 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-04 22:57:39,688 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-04 22:57:39,689 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-04 22:57:39,689 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-04 22:57:39,689 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-04 22:57:39,689 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-04 22:57:39,689 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-04 22:57:39,690 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-04 22:57:39,690 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-04 22:57:39,690 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-04 22:57:39,690 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-04 22:57:39,691 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-04 22:57:39,692 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-04 22:57:39,692 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-04 22:57:39,692 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-04 22:57:39,692 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-04 22:57:39,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-04 22:57:39,693 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-04 22:57:39,694 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-04 22:57:39,694 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-04 22:57:39,694 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-04 22:57:39,694 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-04 22:57:39,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-04 22:57:39,694 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-04 22:57:39,695 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-04 22:57:39,695 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-04 22:57:39,695 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-04 22:57:39,695 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-09-04 22:57:39,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-04 22:57:39,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-04 22:57:39,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-04 22:57:39,959 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-04 22:57:39,959 INFO L274 PluginConnector]: CDTParser initialized [2023-09-04 22:57:39,960 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_4-container_of.i [2023-09-04 22:57:41,077 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-04 22:57:41,347 INFO L384 CDTParser]: Found 1 translation units. [2023-09-04 22:57:41,348 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_4-container_of.i [2023-09-04 22:57:41,382 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44a108100/f2779893f78f4955a8f0171d5d666cfe/FLAGbd33e916a [2023-09-04 22:57:41,398 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44a108100/f2779893f78f4955a8f0171d5d666cfe [2023-09-04 22:57:41,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-04 22:57:41,405 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-04 22:57:41,408 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-04 22:57:41,408 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-04 22:57:41,411 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-04 22:57:41,412 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 10:57:41" (1/1) ... [2023-09-04 22:57:41,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37e71626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:41, skipping insertion in model container [2023-09-04 22:57:41,413 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 10:57:41" (1/1) ... [2023-09-04 22:57:41,464 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-09-04 22:57:41,598 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-09-04 22:57:42,066 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_4-container_of.i[75002,75015] [2023-09-04 22:57:42,112 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-04 22:57:42,123 INFO L201 MainTranslator]: Completed pre-run [2023-09-04 22:57:42,133 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-09-04 22:57:42,151 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [251] [2023-09-04 22:57:42,152 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [251] [2023-09-04 22:57:42,158 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [735] [2023-09-04 22:57:42,170 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_4-container_of.i[75002,75015] [2023-09-04 22:57:42,172 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned long [1691] [2023-09-04 22:57:42,182 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-04 22:57:42,273 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-04 22:57:42,274 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-04 22:57:42,274 WARN L669 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-09-04 22:57:42,280 INFO L206 MainTranslator]: Completed translation [2023-09-04 22:57:42,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:42 WrapperNode [2023-09-04 22:57:42,280 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-04 22:57:42,281 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-04 22:57:42,281 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-04 22:57:42,281 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-04 22:57:42,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:42" (1/1) ... [2023-09-04 22:57:42,313 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:42" (1/1) ... [2023-09-04 22:57:42,336 INFO L138 Inliner]: procedures = 469, calls = 63, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 146 [2023-09-04 22:57:42,337 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-04 22:57:42,337 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-04 22:57:42,338 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-04 22:57:42,338 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-04 22:57:42,345 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:42" (1/1) ... [2023-09-04 22:57:42,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:42" (1/1) ... [2023-09-04 22:57:42,349 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:42" (1/1) ... [2023-09-04 22:57:42,350 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:42" (1/1) ... [2023-09-04 22:57:42,360 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:42" (1/1) ... [2023-09-04 22:57:42,362 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:42" (1/1) ... [2023-09-04 22:57:42,365 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:42" (1/1) ... [2023-09-04 22:57:42,367 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:42" (1/1) ... [2023-09-04 22:57:42,372 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-04 22:57:42,373 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-04 22:57:42,373 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-04 22:57:42,373 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-04 22:57:42,374 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:42" (1/1) ... [2023-09-04 22:57:42,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-04 22:57:42,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 22:57:42,430 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 22:57:42,449 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 22:57:42,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-04 22:57:42,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-04 22:57:42,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-04 22:57:42,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-04 22:57:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-09-04 22:57:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-04 22:57:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-09-04 22:57:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-04 22:57:42,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-04 22:57:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-09-04 22:57:42,481 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-09-04 22:57:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-04 22:57:42,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-04 22:57:42,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-04 22:57:42,483 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 22:57:42,792 INFO L236 CfgBuilder]: Building ICFG [2023-09-04 22:57:42,794 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-04 22:57:43,050 INFO L277 CfgBuilder]: Performing block encoding [2023-09-04 22:57:43,095 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-04 22:57:43,095 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-09-04 22:57:43,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 10:57:43 BoogieIcfgContainer [2023-09-04 22:57:43,097 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-04 22:57:43,099 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-04 22:57:43,100 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-04 22:57:43,102 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-04 22:57:43,102 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 10:57:41" (1/3) ... [2023-09-04 22:57:43,103 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c900ac1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 10:57:43, skipping insertion in model container [2023-09-04 22:57:43,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:57:42" (2/3) ... [2023-09-04 22:57:43,103 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c900ac1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 10:57:43, skipping insertion in model container [2023-09-04 22:57:43,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 10:57:43" (3/3) ... [2023-09-04 22:57:43,105 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_4-container_of.i [2023-09-04 22:57:43,111 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-04 22:57:43,119 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-04 22:57:43,119 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-09-04 22:57:43,119 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-04 22:57:43,181 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-09-04 22:57:43,217 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-04 22:57:43,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-04 22:57:43,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 22:57:43,221 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 22:57:43,231 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 22:57:43,267 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-04 22:57:43,274 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-04 22:57:43,279 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;@43d849ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-04 22:57:43,279 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-09-04 22:57:43,323 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 22:57:43,328 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 22:57:43,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1613653990, now seen corresponding path program 1 times [2023-09-04 22:57:43,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 22:57:43,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367787729] [2023-09-04 22:57:43,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 22:57:43,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 22:57:43,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 22:57:43,851 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 22:57:43,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 22:57:43,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367787729] [2023-09-04 22:57:43,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367787729] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 22:57:43,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 22:57:43,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-09-04 22:57:43,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433240656] [2023-09-04 22:57:43,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 22:57:43,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-09-04 22:57:43,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 22:57:43,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-09-04 22:57:43,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-09-04 22:57:43,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:57:43,880 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 22:57:43,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-04 22:57:43,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:57:43,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-04 22:57:43,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-04 22:57:43,973 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-09-04 22:57:43,974 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 22:57:43,974 INFO L85 PathProgramCache]: Analyzing trace with hash 2114561286, now seen corresponding path program 1 times [2023-09-04 22:57:43,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 22:57:43,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755125065] [2023-09-04 22:57:43,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 22:57:43,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 22:57:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 22:57:44,428 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 22:57:44,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 22:57:44,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755125065] [2023-09-04 22:57:44,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755125065] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 22:57:44,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 22:57:44,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-04 22:57:44,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934481619] [2023-09-04 22:57:44,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 22:57:44,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-04 22:57:44,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 22:57:44,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-04 22:57:44,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-09-04 22:57:44,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:57:44,434 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 22:57:44,435 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 22:57:44,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-09-04 22:57:44,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:57:44,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-04 22:57:44,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-04 22:57:44,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-04 22:57:44,612 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-09-04 22:57:44,614 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 22:57:44,614 INFO L85 PathProgramCache]: Analyzing trace with hash 993339928, now seen corresponding path program 1 times [2023-09-04 22:57:44,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 22:57:44,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677502686] [2023-09-04 22:57:44,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 22:57:44,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 22:57:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 22:57:44,912 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 22:57:44,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 22:57:44,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677502686] [2023-09-04 22:57:44,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677502686] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 22:57:44,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 22:57:44,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-04 22:57:44,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281507883] [2023-09-04 22:57:44,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 22:57:44,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-04 22:57:44,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 22:57:44,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-04 22:57:44,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-09-04 22:57:44,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:57:44,915 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 22:57:44,915 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 22:57:44,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-09-04 22:57:44,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-04 22:57:44,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:57:45,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-04 22:57:45,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-04 22:57:45,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-04 22:57:45,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-09-04 22:57:45,104 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-09-04 22:57:45,104 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 22:57:45,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1110596876, now seen corresponding path program 1 times [2023-09-04 22:57:45,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 22:57:45,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623944354] [2023-09-04 22:57:45,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 22:57:45,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 22:57:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 22:57:45,337 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 22:57:45,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 22:57:45,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623944354] [2023-09-04 22:57:45,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623944354] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 22:57:45,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 22:57:45,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-04 22:57:45,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754646686] [2023-09-04 22:57:45,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 22:57:45,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-04 22:57:45,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 22:57:45,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-04 22:57:45,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-04 22:57:45,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:57:45,348 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 22:57:45,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 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 22:57:45,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-09-04 22:57:45,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-04 22:57:45,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-04 22:57:45,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:57:45,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-04 22:57:45,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-04 22:57:45,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-04 22:57:45,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-04 22:57:45,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-09-04 22:57:45,462 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-09-04 22:57:45,463 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 22:57:45,464 INFO L85 PathProgramCache]: Analyzing trace with hash -68764416, now seen corresponding path program 1 times [2023-09-04 22:57:45,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 22:57:45,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854686781] [2023-09-04 22:57:45,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 22:57:45,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 22:57:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 22:57:45,643 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 22:57:45,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 22:57:45,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854686781] [2023-09-04 22:57:45,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854686781] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 22:57:45,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 22:57:45,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-04 22:57:45,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904274250] [2023-09-04 22:57:45,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 22:57:45,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-04 22:57:45,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 22:57:45,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-04 22:57:45,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-04 22:57:45,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:57:45,648 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 22:57:45,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 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 22:57:45,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-09-04 22:57:45,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-04 22:57:45,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-04 22:57:45,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-04 22:57:45,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:57:45,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-04 22:57:45,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-04 22:57:45,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-04 22:57:45,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-04 22:57:45,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-04 22:57:45,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-09-04 22:57:45,826 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-09-04 22:57:45,826 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 22:57:45,826 INFO L85 PathProgramCache]: Analyzing trace with hash 187913277, now seen corresponding path program 1 times [2023-09-04 22:57:45,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 22:57:45,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175059327] [2023-09-04 22:57:45,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 22:57:45,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 22:57:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-04 22:57:45,934 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-04 22:57:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-04 22:57:46,035 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-04 22:57:46,036 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-04 22:57:46,037 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2023-09-04 22:57:46,039 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2023-09-04 22:57:46,039 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2023-09-04 22:57:46,039 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2023-09-04 22:57:46,039 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2023-09-04 22:57:46,039 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2023-09-04 22:57:46,040 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2023-09-04 22:57:46,040 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2023-09-04 22:57:46,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-09-04 22:57:46,047 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-09-04 22:57:46,052 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-04 22:57:46,053 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-04 22:57:46,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 10:57:46 BasicIcfg [2023-09-04 22:57:46,166 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-04 22:57:46,167 INFO L158 Benchmark]: Toolchain (without parser) took 4761.75ms. Allocated memory was 248.5MB in the beginning and 312.5MB in the end (delta: 64.0MB). Free memory was 199.7MB in the beginning and 256.5MB in the end (delta: -56.8MB). Peak memory consumption was 149.8MB. Max. memory is 7.0GB. [2023-09-04 22:57:46,167 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 170.9MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-04 22:57:46,167 INFO L158 Benchmark]: CACSL2BoogieTranslator took 872.45ms. Allocated memory is still 248.5MB. Free memory was 199.7MB in the beginning and 144.1MB in the end (delta: 55.5MB). Peak memory consumption was 55.6MB. Max. memory is 7.0GB. [2023-09-04 22:57:46,168 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.80ms. Allocated memory is still 248.5MB. Free memory was 144.1MB in the beginning and 141.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. [2023-09-04 22:57:46,171 INFO L158 Benchmark]: Boogie Preprocessor took 34.74ms. Allocated memory is still 248.5MB. Free memory was 141.0MB in the beginning and 137.9MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. [2023-09-04 22:57:46,171 INFO L158 Benchmark]: RCFGBuilder took 724.76ms. Allocated memory is still 248.5MB. Free memory was 137.9MB in the beginning and 110.1MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 7.0GB. [2023-09-04 22:57:46,171 INFO L158 Benchmark]: TraceAbstraction took 3067.00ms. Allocated memory was 248.5MB in the beginning and 312.5MB in the end (delta: 64.0MB). Free memory was 109.5MB in the beginning and 256.5MB in the end (delta: -146.9MB). Peak memory consumption was 59.7MB. Max. memory is 7.0GB. [2023-09-04 22:57:46,174 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 170.9MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 872.45ms. Allocated memory is still 248.5MB. Free memory was 199.7MB in the beginning and 144.1MB in the end (delta: 55.5MB). Peak memory consumption was 55.6MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 55.80ms. Allocated memory is still 248.5MB. Free memory was 144.1MB in the beginning and 141.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 34.74ms. Allocated memory is still 248.5MB. Free memory was 141.0MB in the beginning and 137.9MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. * RCFGBuilder took 724.76ms. Allocated memory is still 248.5MB. Free memory was 137.9MB in the beginning and 110.1MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 7.0GB. * TraceAbstraction took 3067.00ms. Allocated memory was 248.5MB in the beginning and 312.5MB in the end (delta: 64.0MB). Free memory was 109.5MB in the beginning and 256.5MB in the end (delta: -146.9MB). Peak memory consumption was 59.7MB. 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: 15, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 15, dependent conditional: 15, 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: 15 - 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}] [L1745] CALL, EXPR 0 my_drv_init() [L1739] 0 return 0; VAL [\result=0, t1={3:0}, t2={4:0}] [L1745] RET, EXPR 0 my_drv_init() [L1745] 0 int ret = my_drv_init(); VAL [my_drv_init()=0, ret=0, t1={3:0}, t2={4:0}] [L1746] COND TRUE 0 ret==0 VAL [ret=0, t1={3:0}, t2={4:0}] [L1747] 0 int probe_ret; VAL [ret=0, t1={3:0}, t2={4:0}] [L1748] 0 struct my_data data; VAL [data={5:0}, ret=0, t1={3:0}, t2={4:0}] [L1749] CALL, EXPR 0 my_drv_probe(&data) [L1706] 0 struct device *d = &data->dev; VAL [d={5:24}, data={5:0}, data={5:0}, t1={3:0}, t2={4:0}] [L1708] 0 data->shared.a = 0 VAL [d={5:24}, data={5:0}, data={5:0}, t1={3:0}, t2={4:0}] [L1709] 0 data->shared.b = 0 VAL [d={5:24}, data={5:0}, data={5:0}, t1={3:0}, t2={4:0}] [L1710] 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}] [L1711] COND FALSE 0 !(\read(res)) VAL [d={5:24}, data={5:0}, data={5:0}, res=0, t1={3:0}, t2={4:0}] [L1713] 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)=-2, res=0, t1={3:0}, t2={4:0}] [L1714] 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)=-1, res=0, t1={3:0}, t2={4:0}] [L1715] 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}] [L1749] RET, EXPR 0 my_drv_probe(&data) [L1749] 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}] [L1750] COND TRUE 0 probe_ret==0 [L1751] CALL 0 my_drv_disconnect(&data) [L1721] 0 void *status; VAL [arg={5:24}, data={5:0}, data={5:0}, status={7:0}, t1={3:0}, t2={4:0}] [L1723] 0 data->shared.a = 3 VAL [arg={5:24}, data={5:0}, data={5:0}, status={7:0}, t1={3:0}, t2={4:0}] [L1726] 0 data->shared.b = 3 VAL [arg={5:24}, data={5:0}, data={5:0}, status={7:0}, t1={3:0}, t2={4:0}] [L1729] EXPR 0 data->shared.a [L1729] CALL 0 ldv_assert(data->shared.a==3) [L1675] COND FALSE 0 !(!expression) [L1729] RET 0 ldv_assert(data->shared.a==3) [L1732] EXPR 0 data->shared.b [L1732] CALL 0 ldv_assert(data->shared.b==3) [L1675] COND FALSE 0 !(!expression) [L1732] RET 0 ldv_assert(data->shared.b==3) [L1734] 0 \read(t1) VAL [\read(t1)=-2, arg={5:24}, data={5:0}, data={5:0}, status={7:0}, 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={1151:6}, arg={5:24}, arg={5:24}, data={1151:-18}, dev={5:24}, t1={3:0}, t2={4:0}] [L1694] 1 data->shared.a = 1 VAL [__mptr={1151:6}, arg={5:24}, arg={5:24}, data={1151:-18}, dev={5:24}, t1={3:0}, t2={4:0}] [L1697] EXPR 1 data->shared.b [L1697] 1 int lb = data->shared.b; [L1700] 1 data->shared.b = lb + 1 VAL [__mptr={1151:6}, arg={5:24}, arg={5:24}, data={1151:-18}, dev={5:24}, lb=-4, t1={3:0}, t2={4:0}] [L1703] 1 return 0; VAL [\result={0:0}, __mptr={1151:6}, arg={5:24}, arg={5:24}, data={1151:-18}, dev={5:24}, lb=-4, t1={3:0}, t2={4:0}] [L1734] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\read(t1)=-2, \result={0:0}, __mptr={1151:6}, arg={5:24}, arg={5:24}, data={1151:-18}, data={5:0}, data={5:0}, dev={5:24}, lb=-4, pthread_join(t1, &status)={0:0}, status={7:0}, t1={3:0}, t2={4:0}] [L1735] 0 \read(t2) VAL [\read(t2)=-1, \result={0:0}, __mptr={1151:6}, arg={5:24}, arg={5:24}, data={1151:-18}, data={5:0}, data={5:0}, dev={5:24}, lb=-4, status={7:0}, t1={3:0}, t2={4:0}] [L1689] 2 struct device *dev = (struct device*)arg; VAL [\result={0:0}, __mptr={1151:6}, arg={5:24}, arg={5:24}, data={1151:-18}, dev={5:24}, lb=-4, t1={3:0}, t2={4:0}] [L1690] 2 struct my_data *data; VAL [\result={0:0}, __mptr={1151:6}, arg={5:24}, arg={5:24}, data={1151:-18}, dev={5:24}, lb=-4, 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={1151:-18}, dev={5:24}, lb=-4, 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={1151:6}, arg={5:24}, arg={5:24}, data={1151:-18}, dev={5:24}, lb=-4, 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={7:0}, arg={5:24}, arg={5:24}, data={1151:-18}, dev={5:24}, lb=-4, t1={3:0}, t2={4:0}] [L1694] 2 data->shared.a = 1 VAL [\result={0:0}, __mptr={7:0}, arg={5:24}, arg={5:24}, data={1151:-18}, dev={5:24}, lb=-4, t1={3:0}, t2={4:0}] [L1697] EXPR 2 data->shared.b [L1697] 2 int lb = data->shared.b; [L1700] 2 data->shared.b = lb + 1 VAL [\result={0:0}, __mptr={7:0}, arg={5:24}, arg={5:24}, data={1151:-18}, dev={5:24}, lb=-4, t1={3:0}, t2={4:0}] [L1703] 2 return 0; VAL [\result={0:0}, __mptr={7:0}, arg={5:24}, arg={5:24}, data={1151:-18}, dev={5:24}, lb=-4, t1={3:0}, t2={4:0}] [L1735] FCALL, JOIN 2 pthread_join(t2, &status) VAL [\read(t2)=-1, \result={0:0}, __mptr={7:0}, arg={5:24}, arg={5:24}, data={1151:-18}, data={5:0}, data={5:0}, dev={5:24}, lb=-4, pthread_join(t2, &status)={0:0}, status={7:0}, t1={3:0}, t2={4:0}] [L1751] RET 0 my_drv_disconnect(&data) [L1752] EXPR 0 data.shared.a VAL [\result={0:0}, __mptr={7:0}, arg={5:24}, arg={5:24}, data.shared.a=3, data={1151:-18}, data={5:0}, dev={5:24}, lb=-4, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L1752] CALL 0 ldv_assert(data.shared.a==1) [L1675] COND TRUE 0 !expression VAL [\old(expression)=0, \result={0:0}, __mptr={7:0}, arg={5:24}, arg={5:24}, data={1151:-18}, dev={5:24}, expression=0, lb=-4, t1={3:0}, t2={4:0}] [L1675] 0 reach_error() VAL [\old(expression)=0, \result={0:0}, __mptr={7:0}, arg={5:24}, arg={5:24}, data={1151:-18}, dev={5:24}, expression=0, lb=-4, 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: 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: 1713]: 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: 1714]: 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, 174 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.8s, 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: 31, 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, 397 NumberOfCodeBlocks, 397 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 570 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 22:57:46,193 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 22:57:46,397 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...