/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 10:13:36,608 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-20 10:13:36,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 10:13:36,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 10:13:36,703 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 10:13:36,704 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 10:13:36,734 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 10:13:36,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 10:13:36,735 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 10:13:36,735 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 10:13:36,736 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 10:13:36,736 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 10:13:36,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 10:13:36,737 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 10:13:36,737 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 10:13:36,737 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 10:13:36,738 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 10:13:36,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 10:13:36,738 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 10:13:36,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 10:13:36,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 10:13:36,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 10:13:36,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 10:13:36,739 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 10:13:36,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 10:13:36,739 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 10:13:36,739 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 10:13:36,739 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 10:13:36,740 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 10:13:36,740 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 10:13:36,740 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 10:13:36,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 10:13:36,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 10:13:36,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 10:13:36,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 10:13:36,742 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 10:13:36,742 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 10:13:36,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 10:13:36,742 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 10:13:36,742 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 10:13:36,742 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 10:13:36,742 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 10:13:36,743 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-20 10:13:36,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 10:13:37,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 10:13:37,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 10:13:37,020 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 10:13:37,021 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 10:13:37,023 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2023-05-20 10:13:37,101 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbc6a8b4c/107d11847b8f4c12890f40cd01ac2c74/FLAG99c7cc057 [2023-05-20 10:13:37,612 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 10:13:37,613 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2023-05-20 10:13:37,638 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbc6a8b4c/107d11847b8f4c12890f40cd01ac2c74/FLAG99c7cc057 [2023-05-20 10:13:38,089 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbc6a8b4c/107d11847b8f4c12890f40cd01ac2c74 [2023-05-20 10:13:38,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 10:13:38,095 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 10:13:38,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 10:13:38,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 10:13:38,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 10:13:38,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 10:13:38" (1/1) ... [2023-05-20 10:13:38,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f07b969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 10:13:38, skipping insertion in model container [2023-05-20 10:13:38,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 10:13:38" (1/1) ... [2023-05-20 10:13:38,114 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 10:13:38,220 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 10:13:38,373 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-05-20 10:13:38,772 WARN L230 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_5-container_of.i[75002,75015] [2023-05-20 10:13:38,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 10:13:38,839 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 10:13:38,851 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-05-20 10:13:38,888 WARN L230 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_5-container_of.i[75002,75015] [2023-05-20 10:13:38,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 10:13:38,965 INFO L208 MainTranslator]: Completed translation [2023-05-20 10:13:38,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 10:13:38 WrapperNode [2023-05-20 10:13:38,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 10:13:38,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 10:13:38,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 10:13:38,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 10:13:38,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 10:13:38" (1/1) ... [2023-05-20 10:13:39,011 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 10:13:38" (1/1) ... [2023-05-20 10:13:39,061 INFO L138 Inliner]: procedures = 469, calls = 63, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 143 [2023-05-20 10:13:39,062 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 10:13:39,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 10:13:39,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 10:13:39,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 10:13:39,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 10:13:38" (1/1) ... [2023-05-20 10:13:39,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 10:13:38" (1/1) ... [2023-05-20 10:13:39,082 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 10:13:38" (1/1) ... [2023-05-20 10:13:39,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 10:13:38" (1/1) ... [2023-05-20 10:13:39,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 10:13:38" (1/1) ... [2023-05-20 10:13:39,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 10:13:38" (1/1) ... [2023-05-20 10:13:39,108 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 10:13:38" (1/1) ... [2023-05-20 10:13:39,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 10:13:38" (1/1) ... [2023-05-20 10:13:39,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 10:13:39,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 10:13:39,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 10:13:39,118 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 10:13:39,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 10:13:38" (1/1) ... [2023-05-20 10:13:39,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 10:13:39,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 10:13:39,150 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) [2023-05-20 10:13:39,154 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 [2023-05-20 10:13:39,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-20 10:13:39,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 10:13:39,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-20 10:13:39,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 10:13:39,184 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-05-20 10:13:39,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 10:13:39,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-05-20 10:13:39,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 10:13:39,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 10:13:39,185 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-05-20 10:13:39,185 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-05-20 10:13:39,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 10:13:39,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 10:13:39,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 10:13:39,187 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 10:13:39,488 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 10:13:39,490 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 10:13:39,740 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 10:13:39,800 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 10:13:39,800 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-20 10:13:39,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 10:13:39 BoogieIcfgContainer [2023-05-20 10:13:39,803 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 10:13:39,805 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 10:13:39,805 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 10:13:39,813 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 10:13:39,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 10:13:38" (1/3) ... [2023-05-20 10:13:39,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7873f0d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 10:13:39, skipping insertion in model container [2023-05-20 10:13:39,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 10:13:38" (2/3) ... [2023-05-20 10:13:39,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7873f0d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 10:13:39, skipping insertion in model container [2023-05-20 10:13:39,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 10:13:39" (3/3) ... [2023-05-20 10:13:39,815 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2023-05-20 10:13:39,822 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 10:13:39,830 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 10:13:39,830 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-05-20 10:13:39,830 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 10:13:39,889 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-20 10:13:39,939 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 10:13:39,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 10:13:39,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 10:13:39,946 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) [2023-05-20 10:13:39,957 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 [2023-05-20 10:13:39,982 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 10:13:39,997 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 10:13:40,003 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;@4102698b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 10:13:40,003 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-05-20 10:13:47,920 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-05-20 10:13:47,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 10:13:47,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1067890659, now seen corresponding path program 1 times [2023-05-20 10:13:47,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 10:13:47,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734396099] [2023-05-20 10:13:47,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 10:13:47,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 10:13:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 10:13:49,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 10:13:49,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 10:13:49,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734396099] [2023-05-20 10:13:49,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734396099] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 10:13:49,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 10:13:49,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 10:13:49,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698083095] [2023-05-20 10:13:49,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 10:13:49,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 10:13:49,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 10:13:49,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 10:13:49,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-05-20 10:13:49,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 10:13:49,249 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 10:13:49,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 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) [2023-05-20 10:13:49,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 10:13:49,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 10:13:49,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 10:13:49,529 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-05-20 10:13:49,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 10:13:49,530 INFO L85 PathProgramCache]: Analyzing trace with hash 814360041, now seen corresponding path program 1 times [2023-05-20 10:13:49,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 10:13:49,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897416406] [2023-05-20 10:13:49,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 10:13:49,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 10:13:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 10:13:50,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 10:13:50,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 10:13:50,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897416406] [2023-05-20 10:13:50,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897416406] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 10:13:50,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 10:13:50,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-20 10:13:50,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263579949] [2023-05-20 10:13:50,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 10:13:50,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-20 10:13:50,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 10:13:50,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-20 10:13:50,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-05-20 10:13:50,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 10:13:50,151 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 10:13:50,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 states have internal predecessors, (136), 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) [2023-05-20 10:13:50,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 10:13:50,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 10:13:50,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 10:13:50,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 10:13:50,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 10:13:50,347 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-05-20 10:13:50,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 10:13:50,349 INFO L85 PathProgramCache]: Analyzing trace with hash 537669154, now seen corresponding path program 1 times [2023-05-20 10:13:50,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 10:13:50,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816001070] [2023-05-20 10:13:50,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 10:13:50,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 10:13:50,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 10:13:52,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 10:13:52,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 10:13:52,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816001070] [2023-05-20 10:13:52,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816001070] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 10:13:52,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 10:13:52,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-05-20 10:13:52,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306499868] [2023-05-20 10:13:52,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 10:13:52,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-05-20 10:13:52,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 10:13:52,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-05-20 10:13:52,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2023-05-20 10:13:52,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 10:13:52,457 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 10:13:52,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 5.636363636363637) internal successors, (124), 22 states have internal predecessors, (124), 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) [2023-05-20 10:13:52,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 10:13:52,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 10:13:52,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 10:13:53,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 10:13:53,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 10:13:53,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 10:13:53,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-20 10:13:53,366 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-05-20 10:13:53,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 10:13:53,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1968862115, now seen corresponding path program 1 times [2023-05-20 10:13:53,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 10:13:53,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205375115] [2023-05-20 10:13:53,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 10:13:53,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 10:13:53,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-20 10:13:53,509 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-05-20 10:13:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-20 10:13:53,607 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-05-20 10:13:53,608 INFO L359 BasicCegarLoop]: Counterexample is feasible [2023-05-20 10:13:53,609 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2023-05-20 10:13:53,610 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2023-05-20 10:13:53,611 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2023-05-20 10:13:53,611 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2023-05-20 10:13:53,611 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2023-05-20 10:13:53,611 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2023-05-20 10:13:53,611 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2023-05-20 10:13:53,612 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2023-05-20 10:13:53,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-20 10:13:53,621 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-05-20 10:13:53,626 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 10:13:53,626 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 10:13:53,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 10:13:53 BasicIcfg [2023-05-20 10:13:53,735 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 10:13:53,735 INFO L158 Benchmark]: Toolchain (without parser) took 15640.18ms. Allocated memory was 180.4MB in the beginning and 261.1MB in the end (delta: 80.7MB). Free memory was 123.0MB in the beginning and 160.9MB in the end (delta: -37.9MB). Peak memory consumption was 43.9MB. Max. memory is 8.0GB. [2023-05-20 10:13:53,736 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 180.4MB. Free memory is still 143.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 10:13:53,737 INFO L158 Benchmark]: CACSL2BoogieTranslator took 868.96ms. Allocated memory is still 180.4MB. Free memory was 122.8MB in the beginning and 114.9MB in the end (delta: 8.0MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-05-20 10:13:53,742 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.36ms. Allocated memory is still 180.4MB. Free memory was 114.9MB in the beginning and 111.5MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-20 10:13:53,743 INFO L158 Benchmark]: Boogie Preprocessor took 54.18ms. Allocated memory is still 180.4MB. Free memory was 111.5MB in the beginning and 108.6MB in the end (delta: 2.9MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-20 10:13:53,743 INFO L158 Benchmark]: RCFGBuilder took 685.28ms. Allocated memory is still 180.4MB. Free memory was 108.6MB in the beginning and 140.4MB in the end (delta: -31.8MB). Peak memory consumption was 19.4MB. Max. memory is 8.0GB. [2023-05-20 10:13:53,743 INFO L158 Benchmark]: TraceAbstraction took 13930.01ms. Allocated memory was 180.4MB in the beginning and 261.1MB in the end (delta: 80.7MB). Free memory was 139.3MB in the beginning and 160.9MB in the end (delta: -21.6MB). Peak memory consumption was 59.1MB. Max. memory is 8.0GB. [2023-05-20 10:13:53,745 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 180.4MB. Free memory is still 143.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 868.96ms. Allocated memory is still 180.4MB. Free memory was 122.8MB in the beginning and 114.9MB in the end (delta: 8.0MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 95.36ms. Allocated memory is still 180.4MB. Free memory was 114.9MB in the beginning and 111.5MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 54.18ms. Allocated memory is still 180.4MB. Free memory was 111.5MB in the beginning and 108.6MB in the end (delta: 2.9MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 685.28ms. Allocated memory is still 180.4MB. Free memory was 108.6MB in the beginning and 140.4MB in the end (delta: -31.8MB). Peak memory consumption was 19.4MB. Max. memory is 8.0GB. * TraceAbstraction took 13930.01ms. Allocated memory was 180.4MB in the beginning and 261.1MB in the end (delta: 80.7MB). Free memory was 139.3MB in the beginning and 160.9MB in the end (delta: -21.6MB). Peak memory consumption was 59.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2137, independent: 1957, independent conditional: 352, independent unconditional: 1605, dependent: 173, dependent conditional: 160, dependent unconditional: 13, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1977, independent: 1957, independent conditional: 352, independent unconditional: 1605, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1977, independent: 1957, independent conditional: 352, independent unconditional: 1605, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1977, independent: 1957, independent conditional: 0, independent unconditional: 1957, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1977, independent: 1957, independent conditional: 0, independent unconditional: 1957, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1977, independent: 1957, independent conditional: 0, independent unconditional: 1957, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1625, independent: 1605, independent conditional: 0, independent unconditional: 1605, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1625, independent: 1603, independent conditional: 0, independent unconditional: 1603, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 22, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7789, independent: 85, independent conditional: 0, independent unconditional: 85, dependent: 166, dependent conditional: 0, dependent unconditional: 166, unknown: 7539, unknown conditional: 0, unknown unconditional: 7539] , Protected Queries: 0 ], Cache Queries: [ total: 1977, independent: 352, independent conditional: 0, independent unconditional: 352, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1625, unknown conditional: 0, unknown unconditional: 1625] , Statistics on independence cache: Total cache size (in pairs): 1618, Positive cache size: 1605, Positive conditional cache size: 0, Positive unconditional cache size: 1605, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Unknown cache size: 7, Unknown conditional cache size: 0, Unknown unconditional cache size: 7, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 160 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 7.8s, Number of persistent set computation: 147, Number of trivial persistent sets: 147, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1625, independent: 1605, independent conditional: 0, independent unconditional: 1605, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2137, independent: 1957, independent conditional: 352, independent unconditional: 1605, dependent: 173, dependent conditional: 160, dependent unconditional: 13, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1977, independent: 1957, independent conditional: 352, independent unconditional: 1605, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1977, independent: 1957, independent conditional: 352, independent unconditional: 1605, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1977, independent: 1957, independent conditional: 0, independent unconditional: 1957, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1977, independent: 1957, independent conditional: 0, independent unconditional: 1957, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1977, independent: 1957, independent conditional: 0, independent unconditional: 1957, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1625, independent: 1605, independent conditional: 0, independent unconditional: 1605, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1625, independent: 1603, independent conditional: 0, independent unconditional: 1603, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 22, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7789, independent: 85, independent conditional: 0, independent unconditional: 85, dependent: 166, dependent conditional: 0, dependent unconditional: 166, unknown: 7539, unknown conditional: 0, unknown unconditional: 7539] , Protected Queries: 0 ], Cache Queries: [ total: 1977, independent: 352, independent conditional: 0, independent unconditional: 352, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1625, unknown conditional: 0, unknown unconditional: 1625] , Statistics on independence cache: Total cache size (in pairs): 1618, Positive cache size: 1605, Positive conditional cache size: 0, Positive unconditional cache size: 1605, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Unknown cache size: 7, Unknown conditional cache size: 0, Unknown unconditional cache size: 7, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 160 - 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={9:0}, 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={9:24}, data={9:0}, data={9:0}, t1={3:0}, t2={4:0}] [L1708] 0 data->shared.a = 0 VAL [d={9:24}, data={9:0}, data={9:0}, t1={3:0}, t2={4:0}] [L1709] 0 data->shared.b = 0 VAL [d={9:24}, data={9:0}, data={9:0}, t1={3:0}, t2={4:0}] [L1710] 0 int res = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, d={9:24}, data={9:0}, data={9:0}, res=0, t1={3:0}, t2={4:0}] [L1711] COND FALSE 0 !(\read(res)) VAL [d={9:24}, data={9:0}, data={9:0}, res=0, t1={3:0}, t2={4:0}] [L1713] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={9:24}, d={9:24}, data={9:0}, data={9:0}, pthread_create(&t1, ((void *)0), my_callback, (void *)d)=-2, res=0, t1={3:0}, t2={4:0}] [L1689] 1 struct device *dev = (struct device*)arg; VAL [arg={9:24}, arg={9:24}, dev={9:24}, t1={3:0}, t2={4:0}] [L1690] 1 struct my_data *data; VAL [arg={9:24}, arg={9:24}, dev={9:24}, t1={3:0}, t2={4:0}] [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [__mptr={9:24}, arg={9:24}, arg={9:24}, dev={9:24}, 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={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, t1={3:0}, t2={4:0}] [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [__mptr={9:24}, arg={9:24}, arg={9:24}, d={9:24}, data={9:0}, data={9:0}, data={9:0}, dev={9:24}, pthread_create(&t2, ((void *)0), my_callback, (void *)d)=-1, pthread_mutex_lock (&data->lock)=0, res=0, t1={3:0}, t2={4:0}] [L1694] 1 data->shared.a = 1 VAL [__mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, t1={3:0}, t2={4:0}] [L1689] 2 struct device *dev = (struct device*)arg; VAL [__mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, t1={3:0}, t2={4:0}] [L1697] EXPR 1 data->shared.b [L1697] 1 int lb = data->shared.b; [L1690] 2 struct my_data *data; VAL [__mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={3:0}, t2={4:0}] [L1715] 0 return 0; VAL [\result=0, __mptr={9:24}, arg={9:24}, arg={9:24}, d={9:24}, data={9:0}, data={9:0}, data={9:0}, dev={9:24}, lb=0, res=0, t1={3:0}, t2={4:0}] [L1700] 1 data->shared.b = lb + 1 VAL [__mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={3:0}, t2={4:0}] [L1691] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [__mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, 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 [__mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={3:0}, t2={4:0}] [L1749] RET, EXPR 0 my_drv_probe(&data) [L1703] 1 return 0; VAL [\result={0:0}, __mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={3:0}, t2={4:0}] [L1749] 0 probe_ret = my_drv_probe(&data) VAL [\result={0:0}, __mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, data={9:0}, dev={9:24}, lb=0, my_drv_probe(&data)=0, probe_ret=0, pthread_mutex_lock (&data->lock)=0, ret=0, t1={3:0}, t2={4:0}] [L1694] 2 data->shared.a = 1 VAL [\result={0:0}, __mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={3:0}, t2={4:0}] [L1750] COND TRUE 0 probe_ret==0 VAL [\result={0:0}, __mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, data={9:0}, dev={9:24}, lb=0, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L1697] EXPR 2 data->shared.b [L1697] 2 int lb = data->shared.b; [L1751] CALL 0 my_drv_disconnect(&data) [L1700] 2 data->shared.b = lb + 1 VAL [\result={0:0}, __mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={3:0}, t2={4:0}] [L1703] 2 return 0; VAL [\result={0:0}, __mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={3:0}, t2={4:0}] [L1721] 0 void *status; VAL [\result={0:0}, __mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, data={9:0}, data={9:0}, dev={9:24}, lb=0, status={8:0}, t1={3:0}, t2={4:0}] [L1722] 0 \read(t1) VAL [\read(t1)=-2, \result={0:0}, __mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, data={9:0}, data={9:0}, dev={9:24}, lb=0, status={8:0}, t1={3:0}, t2={4:0}] [L1722] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\read(t1)=-2, \result={0:0}, __mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, data={9:0}, data={9:0}, dev={9:24}, lb=0, pthread_join(t1, &status)={0:0}, status={8:0}, t1={3:0}, t2={4:0}] [L1724] 0 data->shared.a = 3 VAL [\result={0:0}, __mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, data={9:0}, data={9:0}, dev={9:24}, lb=0, status={8:0}, t1={3:0}, t2={4:0}] [L1727] 0 data->shared.b = 3 VAL [\result={0:0}, __mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, data={9:0}, data={9:0}, dev={9:24}, lb=0, status={8:0}, t1={3:0}, t2={4:0}] [L1730] EXPR 0 data->shared.a [L1730] CALL 0 ldv_assert(data->shared.a==3) [L1675] COND FALSE 0 !(!expression) [L1730] RET 0 ldv_assert(data->shared.a==3) [L1733] EXPR 0 data->shared.b [L1733] CALL 0 ldv_assert(data->shared.b==3) [L1675] COND FALSE 0 !(!expression) [L1733] RET 0 ldv_assert(data->shared.b==3) [L1735] 0 \read(t2) VAL [\read(t2)=-1, \result={0:0}, __mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, data={9:0}, data={9:0}, dev={9:24}, lb=0, status={8:0}, t1={3:0}, t2={4:0}] [L1735] FCALL, JOIN 2 pthread_join(t2, &status) VAL [\read(t2)=-1, \result={0:0}, __mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, data={9:0}, data={9:0}, dev={9:24}, lb=0, pthread_join(t2, &status)={0:0}, status={8:0}, t1={3:0}, t2={4:0}] [L1751] RET 0 my_drv_disconnect(&data) [L1752] EXPR 0 data.shared.a VAL [\result={0:0}, __mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, data={9:0}, data.shared.a=3, dev={9:24}, lb=0, 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={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, expression=0, lb=0, t1={3:0}, t2={4:0}] [L1675] 0 reach_error() VAL [\old(expression)=0, \result={0:0}, __mptr={9:24}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, 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: 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: 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. - 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. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 4 procedures, 185 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 13.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 9.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 41, 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, 0.4s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 520 NumberOfCodeBlocks, 520 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 401 ConstructedInterpolants, 0 QuantifiedInterpolants, 1775 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-05-20 10:13:53,789 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 [2023-05-20 10:13:53,986 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...