/usr/bin/java -Xmx7000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONLY_ONE_CEGAR -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-2_2-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m [2023-09-07 22:38:15,108 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-07 22:38:15,165 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-07 22:38:15,168 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-07 22:38:15,168 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-07 22:38:15,169 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-07 22:38:15,187 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-07 22:38:15,187 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-07 22:38:15,188 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-07 22:38:15,188 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-07 22:38:15,188 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-07 22:38:15,189 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-07 22:38:15,189 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-07 22:38:15,189 INFO L153 SettingsManager]: * Use SBE=true [2023-09-07 22:38:15,190 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-07 22:38:15,190 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-07 22:38:15,190 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-07 22:38:15,191 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-07 22:38:15,191 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-07 22:38:15,191 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-07 22:38:15,192 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-07 22:38:15,196 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-07 22:38:15,196 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-07 22:38:15,196 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-07 22:38:15,196 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-07 22:38:15,197 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-07 22:38:15,197 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-07 22:38:15,197 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-07 22:38:15,198 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-07 22:38:15,198 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-07 22:38:15,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 22:38:15,199 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-07 22:38:15,199 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-07 22:38:15,199 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-07 22:38:15,199 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-07 22:38:15,200 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-07 22:38:15,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-07 22:38:15,200 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-07 22:38:15,201 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-07 22:38:15,201 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-07 22:38:15,201 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-07 22:38:15,207 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONLY_ONE_CEGAR [2023-09-07 22:38:15,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-07 22:38:15,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-07 22:38:15,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-07 22:38:15,452 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-07 22:38:15,452 INFO L274 PluginConnector]: CDTParser initialized [2023-09-07 22:38:15,453 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_2-container_of.i [2023-09-07 22:38:16,558 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-07 22:38:16,832 INFO L384 CDTParser]: Found 1 translation units. [2023-09-07 22:38:16,833 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_2-container_of.i [2023-09-07 22:38:16,857 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01237be58/5014422b2de7448fb9fcfd277701807a/FLAGd2d7c15c1 [2023-09-07 22:38:16,871 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01237be58/5014422b2de7448fb9fcfd277701807a [2023-09-07 22:38:16,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-07 22:38:16,876 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-07 22:38:16,880 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-07 22:38:16,880 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-07 22:38:16,884 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-07 22:38:16,885 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 10:38:16" (1/1) ... [2023-09-07 22:38:16,885 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d3107db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 10:38:16, skipping insertion in model container [2023-09-07 22:38:16,886 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 10:38:16" (1/1) ... [2023-09-07 22:38:16,959 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-07 22:38:17,069 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-09-07 22:38:17,435 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] [2023-09-07 22:38:17,474 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 22:38:17,485 INFO L202 MainTranslator]: Completed pre-run [2023-09-07 22:38:17,501 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-09-07 22:38:17,515 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [251] [2023-09-07 22:38:17,517 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [251] [2023-09-07 22:38:17,523 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [735] [2023-09-07 22:38:17,554 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] [2023-09-07 22:38:17,555 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned long [1691] [2023-09-07 22:38:17,563 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 22:38:17,657 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-07 22:38:17,658 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-07 22:38:17,658 WARN L669 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-09-07 22:38:17,678 INFO L206 MainTranslator]: Completed translation [2023-09-07 22:38:17,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 10:38:17 WrapperNode [2023-09-07 22:38:17,680 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-07 22:38:17,681 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-07 22:38:17,681 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-07 22:38:17,681 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-07 22:38:17,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 10:38:17" (1/1) ... [2023-09-07 22:38:17,724 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 10:38:17" (1/1) ... [2023-09-07 22:38:17,759 INFO L138 Inliner]: procedures = 468, calls = 48, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 118 [2023-09-07 22:38:17,760 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-07 22:38:17,760 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-07 22:38:17,760 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-07 22:38:17,760 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-07 22:38:17,768 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 10:38:17" (1/1) ... [2023-09-07 22:38:17,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 10:38:17" (1/1) ... [2023-09-07 22:38:17,782 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 10:38:17" (1/1) ... [2023-09-07 22:38:17,782 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 10:38:17" (1/1) ... [2023-09-07 22:38:17,791 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 10:38:17" (1/1) ... [2023-09-07 22:38:17,792 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 10:38:17" (1/1) ... [2023-09-07 22:38:17,811 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 10:38:17" (1/1) ... [2023-09-07 22:38:17,813 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 10:38:17" (1/1) ... [2023-09-07 22:38:17,823 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-07 22:38:17,824 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-07 22:38:17,824 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-07 22:38:17,824 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-07 22:38:17,825 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 10:38:17" (1/1) ... [2023-09-07 22:38:17,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 22:38:17,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 22:38:17,857 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-09-07 22:38:17,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-09-07 22:38:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-07 22:38:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-07 22:38:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-07 22:38:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-07 22:38:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-07 22:38:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-09-07 22:38:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-07 22:38:17,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-07 22:38:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-09-07 22:38:17,896 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-09-07 22:38:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-07 22:38:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-07 22:38:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-07 22:38:17,897 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-07 22:38:18,121 INFO L236 CfgBuilder]: Building ICFG [2023-09-07 22:38:18,122 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-07 22:38:18,309 INFO L277 CfgBuilder]: Performing block encoding [2023-09-07 22:38:18,330 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-07 22:38:18,330 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-09-07 22:38:18,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 10:38:18 BoogieIcfgContainer [2023-09-07 22:38:18,334 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-07 22:38:18,336 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-07 22:38:18,336 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-07 22:38:18,339 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-07 22:38:18,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 10:38:16" (1/3) ... [2023-09-07 22:38:18,340 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d7078f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 10:38:18, skipping insertion in model container [2023-09-07 22:38:18,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 10:38:17" (2/3) ... [2023-09-07 22:38:18,340 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d7078f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 10:38:18, skipping insertion in model container [2023-09-07 22:38:18,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 10:38:18" (3/3) ... [2023-09-07 22:38:18,342 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i [2023-09-07 22:38:18,353 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-07 22:38:18,361 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-07 22:38:18,361 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-09-07 22:38:18,361 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-07 22:38:18,450 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-09-07 22:38:18,495 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 22:38:18,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-07 22:38:18,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 22:38:18,501 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-07 22:38:18,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-09-07 22:38:18,551 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-07 22:38:18,556 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-07 22:38:18,561 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;@3dfe235c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 22:38:18,561 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-09-07 22:38:18,611 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)] === [2023-09-07 22:38:18,615 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 22:38:18,615 INFO L85 PathProgramCache]: Analyzing trace with hash -551046405, now seen corresponding path program 1 times [2023-09-07 22:38:18,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 22:38:18,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278570665] [2023-09-07 22:38:18,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 22:38:18,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 22:38:18,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 22:38:19,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 22:38:19,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 22:38:19,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278570665] [2023-09-07 22:38:19,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278570665] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 22:38:19,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 22:38:19,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-07 22:38:19,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987630958] [2023-09-07 22:38:19,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 22:38:19,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-07 22:38:19,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 22:38:19,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-07 22:38:19,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-09-07 22:38:19,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 22:38:19,537 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 22:38:19,538 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) [2023-09-07 22:38:19,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 22:38:19,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 22:38:19,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-07 22:38:19,669 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)] === [2023-09-07 22:38:19,670 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 22:38:19,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1517571319, now seen corresponding path program 1 times [2023-09-07 22:38:19,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 22:38:19,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209401917] [2023-09-07 22:38:19,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 22:38:19,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 22:38:19,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 22:38:20,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 22:38:20,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 22:38:20,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209401917] [2023-09-07 22:38:20,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209401917] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 22:38:20,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 22:38:20,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-07 22:38:20,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958172156] [2023-09-07 22:38:20,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 22:38:20,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-07 22:38:20,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 22:38:20,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-07 22:38:20,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-09-07 22:38:20,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 22:38:20,011 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 22:38:20,011 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) [2023-09-07 22:38:20,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 22:38:20,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 22:38:20,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 22:38:20,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 22:38:20,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-07 22:38:20,210 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)] === [2023-09-07 22:38:20,211 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 22:38:20,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1510293495, now seen corresponding path program 1 times [2023-09-07 22:38:20,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 22:38:20,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202532506] [2023-09-07 22:38:20,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 22:38:20,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 22:38:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 22:38:22,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 22:38:22,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 22:38:22,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202532506] [2023-09-07 22:38:22,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202532506] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 22:38:22,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 22:38:22,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2023-09-07 22:38:22,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428679942] [2023-09-07 22:38:22,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 22:38:22,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-09-07 22:38:22,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 22:38:22,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-09-07 22:38:22,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2023-09-07 22:38:22,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 22:38:22,632 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 22:38:22,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.9523809523809526) internal successors, (104), 21 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 22:38:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 22:38:22,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 22:38:22,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 22:38:23,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-07 22:38:23,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 22:38:23,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-09-07 22:38:23,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-09-07 22:38:23,931 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-09-07 22:38:23,931 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 22:38:23,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1421326142, now seen corresponding path program 1 times [2023-09-07 22:38:23,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 22:38:23,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866741958] [2023-09-07 22:38:23,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 22:38:23,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 22:38:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 22:38:27,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 22:38:27,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 22:38:27,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866741958] [2023-09-07 22:38:27,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866741958] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 22:38:27,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 22:38:28,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2023-09-07 22:38:28,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515068179] [2023-09-07 22:38:28,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 22:38:28,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-09-07 22:38:28,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 22:38:28,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-09-07 22:38:28,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=1044, Unknown=0, NotChecked=0, Total=1122 [2023-09-07 22:38:28,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 22:38:28,002 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 22:38:28,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 3.235294117647059) internal successors, (110), 34 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 22:38:28,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-07 22:38:28,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 22:38:28,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-09-07 22:38:28,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 22:38:34,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-07 22:38:34,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 22:38:34,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-09-07 22:38:34,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-09-07 22:38:34,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-09-07 22:38:34,444 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-09-07 22:38:34,445 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 22:38:34,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1972167761, now seen corresponding path program 2 times [2023-09-07 22:38:34,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 22:38:34,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5860100] [2023-09-07 22:38:34,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 22:38:34,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 22:38:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 22:38:36,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 22:38:36,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 22:38:36,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5860100] [2023-09-07 22:38:36,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5860100] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 22:38:36,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 22:38:36,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2023-09-07 22:38:36,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474331973] [2023-09-07 22:38:36,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 22:38:36,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-09-07 22:38:36,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 22:38:36,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-09-07 22:38:36,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2023-09-07 22:38:36,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 22:38:36,285 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 22:38:36,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.8518518518518516) internal successors, (104), 27 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 22:38:36,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-09-07 22:38:36,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 22:38:36,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-09-07 22:38:36,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-09-07 22:38:36,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 22:38:39,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-07 22:38:39,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 22:38:39,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-09-07 22:38:39,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-09-07 22:38:39,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-09-07 22:38:39,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-09-07 22:38:39,841 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-09-07 22:38:39,841 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 22:38:39,841 INFO L85 PathProgramCache]: Analyzing trace with hash 596262500, now seen corresponding path program 2 times [2023-09-07 22:38:39,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 22:38:39,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911190471] [2023-09-07 22:38:39,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 22:38:39,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 22:38:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 22:38:42,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-07 22:38:42,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 22:38:42,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911190471] [2023-09-07 22:38:42,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911190471] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 22:38:42,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 22:38:42,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2023-09-07 22:38:42,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101766109] [2023-09-07 22:38:42,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 22:38:42,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-09-07 22:38:42,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 22:38:42,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-09-07 22:38:42,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=1044, Unknown=0, NotChecked=0, Total=1122 [2023-09-07 22:38:42,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 22:38:42,882 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 22:38:42,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 3.235294117647059) internal successors, (110), 34 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 22:38:42,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-09-07 22:38:42,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 22:38:42,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-09-07 22:38:42,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-09-07 22:38:42,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-09-07 22:38:42,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 22:38:49,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-07 22:38:49,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 22:38:49,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-09-07 22:38:49,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-09-07 22:38:49,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-09-07 22:38:49,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-09-07 22:38:49,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-09-07 22:38:49,970 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-09-07 22:38:49,970 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 22:38:49,970 INFO L85 PathProgramCache]: Analyzing trace with hash 2044047998, now seen corresponding path program 3 times [2023-09-07 22:38:49,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 22:38:49,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885075528] [2023-09-07 22:38:49,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 22:38:49,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 22:38:50,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-07 22:38:50,033 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-07 22:38:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-07 22:38:50,095 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-07 22:38:50,095 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-07 22:38:50,096 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2023-09-07 22:38:50,097 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2023-09-07 22:38:50,098 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2023-09-07 22:38:50,098 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2023-09-07 22:38:50,098 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2023-09-07 22:38:50,098 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2023-09-07 22:38:50,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-09-07 22:38:50,101 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1] [2023-09-07 22:38:50,105 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-07 22:38:50,105 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-07 22:38:50,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 10:38:50 BasicIcfg [2023-09-07 22:38:50,191 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-07 22:38:50,191 INFO L158 Benchmark]: Toolchain (without parser) took 33314.86ms. Allocated memory was 237.0MB in the beginning and 614.5MB in the end (delta: 377.5MB). Free memory was 189.7MB in the beginning and 508.8MB in the end (delta: -319.1MB). Peak memory consumption was 59.2MB. Max. memory is 7.0GB. [2023-09-07 22:38:50,191 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 168.8MB. Free memory is still 123.3MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-07 22:38:50,192 INFO L158 Benchmark]: CACSL2BoogieTranslator took 800.03ms. Allocated memory is still 237.0MB. Free memory was 189.5MB in the beginning and 204.6MB in the end (delta: -15.1MB). Peak memory consumption was 63.5MB. Max. memory is 7.0GB. [2023-09-07 22:38:50,192 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.97ms. Allocated memory is still 237.0MB. Free memory was 204.6MB in the beginning and 201.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 7.0GB. [2023-09-07 22:38:50,192 INFO L158 Benchmark]: Boogie Preprocessor took 63.18ms. Allocated memory is still 237.0MB. Free memory was 201.4MB in the beginning and 198.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-07 22:38:50,193 INFO L158 Benchmark]: RCFGBuilder took 509.71ms. Allocated memory is still 237.0MB. Free memory was 198.4MB in the beginning and 174.8MB in the end (delta: 23.6MB). Peak memory consumption was 24.1MB. Max. memory is 7.0GB. [2023-09-07 22:38:50,193 INFO L158 Benchmark]: TraceAbstraction took 31855.13ms. Allocated memory was 237.0MB in the beginning and 614.5MB in the end (delta: 377.5MB). Free memory was 173.7MB in the beginning and 508.8MB in the end (delta: -335.1MB). Peak memory consumption was 41.9MB. Max. memory is 7.0GB. [2023-09-07 22:38:50,195 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 168.8MB. Free memory is still 123.3MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 800.03ms. Allocated memory is still 237.0MB. Free memory was 189.5MB in the beginning and 204.6MB in the end (delta: -15.1MB). Peak memory consumption was 63.5MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 78.97ms. Allocated memory is still 237.0MB. Free memory was 204.6MB in the beginning and 201.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 7.0GB. * Boogie Preprocessor took 63.18ms. Allocated memory is still 237.0MB. Free memory was 201.4MB in the beginning and 198.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * RCFGBuilder took 509.71ms. Allocated memory is still 237.0MB. Free memory was 198.4MB in the beginning and 174.8MB in the end (delta: 23.6MB). Peak memory consumption was 24.1MB. Max. memory is 7.0GB. * TraceAbstraction took 31855.13ms. Allocated memory was 237.0MB in the beginning and 614.5MB in the end (delta: 377.5MB). Free memory was 173.7MB in the beginning and 508.8MB in the end (delta: -335.1MB). Peak memory consumption was 41.9MB. 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] - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 410, independent: 357, independent conditional: 357, independent unconditional: 0, dependent: 53, dependent conditional: 53, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 365, independent: 357, independent conditional: 357, independent unconditional: 0, dependent: 8, dependent conditional: 8, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 365, independent: 357, independent conditional: 357, independent unconditional: 0, dependent: 8, dependent conditional: 8, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 407, independent: 357, independent conditional: 0, independent unconditional: 357, dependent: 50, dependent conditional: 42, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 407, independent: 357, independent conditional: 0, independent unconditional: 357, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 407, independent: 357, independent conditional: 0, independent unconditional: 357, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 365, independent: 357, independent conditional: 0, independent unconditional: 357, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 365, independent: 350, independent conditional: 0, independent unconditional: 350, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 15, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2186, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 2152, dependent conditional: 0, dependent unconditional: 2152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 407, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 365, unknown conditional: 0, unknown unconditional: 365] , Statistics on independence cache: Total cache size (in pairs): 365, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 42, Maximal queried relation: 6, Independence queries for same thread: 45 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 46 - 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={8:0}, 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={8:24}, data={8:0}, data={8:0}, t1={3:0}, t2={4:0}] [L1706] 0 data->shared.a = 0 VAL [d={8:24}, data={8:0}, data={8:0}, t1={3:0}, t2={4:0}] [L1707] 0 data->shared.b = 0 VAL [d={8:24}, data={8:0}, data={8:0}, t1={3:0}, t2={4:0}] [L1708] 0 int res = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, d={8:24}, data={8:0}, data={8:0}, res=0, t1={3:0}, t2={4:0}] [L1709] COND FALSE 0 !(\read(res)) VAL [d={8:24}, data={8:0}, data={8:0}, res=0, t1={3:0}, t2={4:0}] [L1711] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={8:24}, d={8:24}, data={8:0}, data={8:0}, pthread_create(&t1, ((void *)0), my_callback, (void *)d)=6, res=0, t1={3:0}, t2={4:0}] [L1712] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [arg={8:24}, d={8:24}, data={8:0}, data={8:0}, pthread_create(&t2, ((void *)0), my_callback, (void *)d)=7, res=0, t1={3:0}, t2={4:0}] [L1713] 0 return 0; VAL [\result=0, arg={8:24}, d={8:24}, data={8:0}, data={8:0}, 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={8:24}, data={8:0}, 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={8:24}, data={8:0}, data={8:0}, status={10:0}, t1={3:0}, t2={4:0}] [L1720] 0 \read(t1) VAL [\read(t1)=6, arg={8:24}, data={8:0}, data={8:0}, status={10:0}, t1={3:0}, t2={4:0}] [L1689] 1 struct device *dev = (struct device*)arg; VAL [arg={8:24}, arg={8:24}, dev={8:24}, t1={3:0}, t2={4:0}] [L1690] 1 struct my_data *data; VAL [arg={8:24}, arg={8:24}, dev={8:24}, t1={3:0}, t2={4:0}] [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [__mptr={8:24}, arg={8:24}, arg={8:24}, dev={8:24}, 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 [__mptr={8:24}, arg={8:24}, arg={8:24}, dev={8:24}, 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={8:24}, arg={8:24}, dev={8:24}, 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 [arg={8:24}, arg={8:24}, data={8:0}, dev={8:24}, t1={3:0}, t2={4:0}] [L1693] 1 data->shared.a = 1 VAL [arg={8:24}, arg={8:24}, data={8:0}, dev={8:24}, t1={3:0}, t2={4:0}] [L1696] EXPR 1 data->shared.b [L1696] 1 int lb = data->shared.b; [L1689] 2 struct device *dev = (struct device*)arg; VAL [arg={8:24}, arg={8:24}, data={8:0}, dev={8:24}, lb=0, t1={3:0}, t2={4:0}] [L1690] 2 struct my_data *data; VAL [arg={8:24}, arg={8:24}, data={8:0}, dev={8:24}, lb=0, t1={3:0}, t2={4:0}] [L1691] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [__mptr={8:24}, arg={8:24}, arg={8:24}, data={8:0}, dev={8:24}, 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 [__mptr={8:24}, arg={8:24}, arg={8:24}, data={8:0}, dev={8:24}, 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 [arg={8:24}, arg={8:24}, data={8:0}, dev={8:24}, 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 [arg={8:24}, arg={8:24}, data={8:0}, dev={8:24}, lb=0, t1={3:0}, t2={4:0}] [L1693] 2 data->shared.a = 1 VAL [arg={8:24}, arg={8:24}, data={8:0}, dev={8:24}, lb=0, t1={3:0}, t2={4:0}] [L1696] EXPR 2 data->shared.b [L1696] 2 int lb = data->shared.b; [L1699] 1 data->shared.b = lb + 1 VAL [arg={8:24}, arg={8:24}, data={8:0}, dev={8:24}, lb=0, t1={3:0}, t2={4:0}] [L1701] 1 return 0; VAL [\result={0:0}, arg={8:24}, arg={8:24}, data={8:0}, dev={8:24}, lb=0, t1={3:0}, t2={4:0}] [L1720] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\read(t1)=6, \result={0:0}, arg={8:24}, arg={8:24}, data={8:0}, data={8:0}, data={8:0}, dev={8:24}, lb=0, pthread_join(t1, &status)={0:0}, status={10:0}, t1={3:0}, t2={4:0}] [L1721] 0 \read(t2) VAL [\read(t2)=7, \result={0:0}, arg={8:24}, arg={8:24}, data={8:0}, data={8:0}, data={8:0}, dev={8:24}, lb=0, status={10:0}, t1={3:0}, t2={4:0}] [L1699] 2 data->shared.b = lb + 1 VAL [\result={0:0}, arg={8:24}, arg={8:24}, data={8:0}, dev={8:24}, lb=0, t1={3:0}, t2={4:0}] [L1701] 2 return 0; VAL [\result={0:0}, arg={8:24}, arg={8:24}, data={8:0}, dev={8:24}, lb=0, t1={3:0}, t2={4:0}] [L1721] FCALL, JOIN 2 pthread_join(t2, &status) VAL [\read(t2)=7, \result={0:0}, arg={8:24}, arg={8:24}, data={8:0}, data={8:0}, data={8:0}, dev={8:24}, lb=0, pthread_join(t2, &status)={0:0}, status={10:0}, t1={3:0}, t2={4:0}] [L1737] RET 0 my_drv_disconnect(&data) [L1738] EXPR 0 data.shared.a VAL [\result={0:0}, arg={8:24}, arg={8:24}, data.shared.a=1, data={8:0}, data={8:0}, dev={8:24}, lb=0, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L1738] CALL 0 ldv_assert(data.shared.a==1) [L1675] COND FALSE 0 !(!expression) VAL [\old(expression)=1, \result={0:0}, arg={8:24}, arg={8:24}, data={8:0}, dev={8:24}, expression=1, lb=0, t1={3:0}, t2={4:0}] [L1738] RET 0 ldv_assert(data.shared.a==1) [L1739] EXPR 0 data.shared.b VAL [\result={0:0}, arg={8:24}, arg={8:24}, data.shared.b=1, data={8:0}, data={8:0}, dev={8:24}, lb=0, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L1739] CALL 0 ldv_assert(data.shared.b==2) [L1675] COND TRUE 0 !expression VAL [\old(expression)=0, \result={0:0}, arg={8:24}, arg={8:24}, data={8:0}, dev={8:24}, expression=0, lb=0, t1={3:0}, t2={4:0}] [L1675] 0 reach_error() VAL [\old(expression)=0, \result={0:0}, arg={8:24}, arg={8:24}, data={8:0}, dev={8:24}, 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, 165 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 31.6s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 18.8s, 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: 177, 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, 0.3s SatisfiabilityAnalysisTime, 12.1s InterpolantComputationTime, 650 NumberOfCodeBlocks, 650 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 534 ConstructedInterpolants, 0 QuantifiedInterpolants, 7193 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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! [2023-09-07 22:38:50,214 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 [2023-09-07 22:38:50,416 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...