./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread/stateful01-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/stateful01-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f746010868b331b940ee2293ff3d78b9aa516b26fde95d84f76493b23741d03 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 14:20:59,791 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 14:20:59,886 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2024-11-02 14:20:59,896 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 14:20:59,896 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 14:20:59,924 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 14:20:59,925 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 14:20:59,926 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 14:20:59,927 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 14:20:59,928 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 14:20:59,929 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-02 14:20:59,929 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-02 14:20:59,929 INFO L153 SettingsManager]: * Use SBE=true [2024-11-02 14:20:59,930 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 14:20:59,930 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 14:20:59,931 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 14:20:59,931 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 14:20:59,931 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 14:20:59,931 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-02 14:20:59,932 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-02 14:20:59,932 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-02 14:20:59,936 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 14:20:59,937 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 14:20:59,937 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 14:20:59,937 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 14:20:59,937 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 14:20:59,938 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 14:20:59,938 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 14:20:59,938 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 14:20:59,939 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 14:20:59,939 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 14:20:59,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 14:20:59,939 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 14:20:59,940 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 14:20:59,944 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-02 14:20:59,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 14:20:59,945 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 14:20:59,946 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-02 14:20:59,946 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-02 14:20:59,947 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-02 14:20:59,947 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-02 14:20:59,948 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f746010868b331b940ee2293ff3d78b9aa516b26fde95d84f76493b23741d03 [2024-11-02 14:21:00,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 14:21:00,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 14:21:00,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 14:21:00,273 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 14:21:00,274 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 14:21:00,275 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/../../sv-benchmarks/c/pthread/stateful01-1.i Unable to find full path for "g++" [2024-11-02 14:21:02,422 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 14:21:02,786 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 14:21:02,787 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/sv-benchmarks/c/pthread/stateful01-1.i [2024-11-02 14:21:02,810 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/data/4388b97c4/6132f099eb384f2fb9dc47c86059a4f2/FLAG9fafdb993 [2024-11-02 14:21:02,828 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/data/4388b97c4/6132f099eb384f2fb9dc47c86059a4f2 [2024-11-02 14:21:02,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 14:21:02,833 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 14:21:02,836 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 14:21:02,836 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 14:21:02,842 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 14:21:02,843 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 02:21:02" (1/1) ... [2024-11-02 14:21:02,844 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@761a6d52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:21:02, skipping insertion in model container [2024-11-02 14:21:02,845 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 02:21:02" (1/1) ... [2024-11-02 14:21:02,902 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 14:21:03,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 14:21:03,454 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 14:21:03,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 14:21:03,598 INFO L204 MainTranslator]: Completed translation [2024-11-02 14:21:03,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:21:03 WrapperNode [2024-11-02 14:21:03,599 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 14:21:03,600 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 14:21:03,601 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 14:21:03,601 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 14:21:03,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:21:03" (1/1) ... [2024-11-02 14:21:03,632 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:21:03" (1/1) ... [2024-11-02 14:21:03,663 INFO L138 Inliner]: procedures = 168, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 52 [2024-11-02 14:21:03,665 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 14:21:03,667 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 14:21:03,668 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 14:21:03,668 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 14:21:03,679 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:21:03" (1/1) ... [2024-11-02 14:21:03,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:21:03" (1/1) ... [2024-11-02 14:21:03,684 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:21:03" (1/1) ... [2024-11-02 14:21:03,684 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:21:03" (1/1) ... [2024-11-02 14:21:03,694 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:21:03" (1/1) ... [2024-11-02 14:21:03,696 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:21:03" (1/1) ... [2024-11-02 14:21:03,700 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:21:03" (1/1) ... [2024-11-02 14:21:03,702 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:21:03" (1/1) ... [2024-11-02 14:21:03,707 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 14:21:03,712 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 14:21:03,712 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 14:21:03,712 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 14:21:03,713 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:21:03" (1/1) ... [2024-11-02 14:21:03,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 14:21:03,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/z3 [2024-11-02 14:21:03,754 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 14:21:03,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 14:21:03,793 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-02 14:21:03,793 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-02 14:21:03,794 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-02 14:21:03,794 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-02 14:21:03,794 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-02 14:21:03,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 14:21:03,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 14:21:03,794 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-02 14:21:03,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 14:21:03,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 14:21:03,796 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-02 14:21:03,967 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 14:21:03,970 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 14:21:04,289 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-02 14:21:04,290 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 14:21:04,467 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 14:21:04,467 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 14:21:04,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 02:21:04 BoogieIcfgContainer [2024-11-02 14:21:04,468 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 14:21:04,470 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 14:21:04,471 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 14:21:04,474 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 14:21:04,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 02:21:02" (1/3) ... [2024-11-02 14:21:04,476 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f88bc39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 02:21:04, skipping insertion in model container [2024-11-02 14:21:04,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:21:03" (2/3) ... [2024-11-02 14:21:04,477 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f88bc39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 02:21:04, skipping insertion in model container [2024-11-02 14:21:04,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 02:21:04" (3/3) ... [2024-11-02 14:21:04,478 INFO L112 eAbstractionObserver]: Analyzing ICFG stateful01-1.i [2024-11-02 14:21:04,519 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 14:21:04,520 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-02 14:21:04,521 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-02 14:21:04,634 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-02 14:21:04,698 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 14:21:04,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-02 14:21:04,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/z3 [2024-11-02 14:21:04,702 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-02 14:21:04,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-02 14:21:04,752 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-02 14:21:04,766 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-02 14:21:04,774 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@7431e513, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 14:21:04,775 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-02 14:21:05,009 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-02 14:21:05,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 14:21:05,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1838787355, now seen corresponding path program 1 times [2024-11-02 14:21:05,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-02 14:21:05,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537952913] [2024-11-02 14:21:05,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 14:21:05,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 14:21:05,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 14:21:05,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 14:21:05,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-02 14:21:05,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537952913] [2024-11-02 14:21:05,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537952913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 14:21:05,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 14:21:05,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-02 14:21:05,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459289299] [2024-11-02 14:21:05,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 14:21:05,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 14:21:05,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-02 14:21:05,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 14:21:05,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 14:21:05,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 14:21:05,432 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-02 14:21:05,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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) [2024-11-02 14:21:05,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-02 14:21:05,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-02 14:21:05,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 14:21:05,532 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-02 14:21:05,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 14:21:05,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1838786170, now seen corresponding path program 1 times [2024-11-02 14:21:05,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-02 14:21:05,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87991768] [2024-11-02 14:21:05,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 14:21:05,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 14:21:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 14:21:05,576 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 14:21:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 14:21:05,646 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-02 14:21:05,646 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 14:21:05,648 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 4 remaining) [2024-11-02 14:21:05,651 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (2 of 4 remaining) [2024-11-02 14:21:05,651 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-02 14:21:05,651 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-11-02 14:21:05,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-02 14:21:05,673 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-02 14:21:05,787 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-02 14:21:05,787 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 14:21:05,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-11-02 14:21:05,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 02:21:05 BasicIcfg [2024-11-02 14:21:05,820 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 14:21:05,821 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 14:21:05,821 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 14:21:05,822 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 14:21:05,822 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 02:21:04" (3/4) ... [2024-11-02 14:21:05,828 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 14:21:05,829 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 14:21:05,830 INFO L158 Benchmark]: Toolchain (without parser) took 2997.62ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 112.4MB in the beginning and 92.7MB in the end (delta: 19.7MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2024-11-02 14:21:05,831 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 144.7MB. Free memory is still 118.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 14:21:05,831 INFO L158 Benchmark]: CACSL2BoogieTranslator took 763.89ms. Allocated memory is still 144.7MB. Free memory was 112.1MB in the beginning and 89.5MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-02 14:21:05,834 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.51ms. Allocated memory is still 144.7MB. Free memory was 89.5MB in the beginning and 87.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 14:21:05,835 INFO L158 Benchmark]: Boogie Preprocessor took 44.55ms. Allocated memory is still 144.7MB. Free memory was 87.9MB in the beginning and 86.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 14:21:05,837 INFO L158 Benchmark]: RCFGBuilder took 756.06ms. Allocated memory is still 144.7MB. Free memory was 86.4MB in the beginning and 58.6MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-02 14:21:05,838 INFO L158 Benchmark]: TraceAbstraction took 1350.11ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 58.0MB in the beginning and 92.7MB in the end (delta: -34.7MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB. [2024-11-02 14:21:05,841 INFO L158 Benchmark]: Witness Printer took 8.15ms. Allocated memory is still 178.3MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 14:21:05,844 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 144.7MB. Free memory is still 118.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 763.89ms. Allocated memory is still 144.7MB. Free memory was 112.1MB in the beginning and 89.5MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.51ms. Allocated memory is still 144.7MB. Free memory was 89.5MB in the beginning and 87.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.55ms. Allocated memory is still 144.7MB. Free memory was 87.9MB in the beginning and 86.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 756.06ms. Allocated memory is still 144.7MB. Free memory was 86.4MB in the beginning and 58.6MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1350.11ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 58.0MB in the beginning and 92.7MB in the end (delta: -34.7MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB. * Witness Printer took 8.15ms. Allocated memory is still 178.3MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: IndependenceRelationWithAbstraction.Independence Queries: [ total: 268, independent: 265, independent conditional: 15, independent unconditional: 250, dependent: 3, dependent conditional: 1, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 537, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 7, dependent conditional: 3, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 534, independent: 530, independent conditional: 0, independent unconditional: 530, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 0, independent unconditional: 530, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 252, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 252, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 58, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 534, independent: 280, independent conditional: 0, independent unconditional: 280, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 252, unknown conditional: 0, unknown unconditional: 252] , Statistics on independence cache: Total cache size (in pairs): 252, Positive cache size: 250, Positive conditional cache size: 0, Positive unconditional cache size: 250, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 15, Maximal queried relation: 0, Independence queries for same thread: 1, Statistics for Abstraction: , Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 28, Number of trivial persistent sets: 18, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 252, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 268, independent: 265, independent conditional: 15, independent unconditional: 250, dependent: 3, dependent conditional: 1, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 537, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 7, dependent conditional: 3, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 534, independent: 530, independent conditional: 0, independent unconditional: 530, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 0, independent unconditional: 530, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 252, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 252, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 58, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 534, independent: 280, independent conditional: 0, independent unconditional: 280, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 252, unknown conditional: 0, unknown unconditional: 252] , Statistics on independence cache: Total cache size (in pairs): 252, Positive cache size: 250, Positive conditional cache size: 0, Positive unconditional cache size: 250, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 15, Maximal queried relation: 0, Independence queries for same thread: 1, Statistics for Abstraction: , Independence relation #2 benchmarks: IndependenceRelationWithAbstraction.Independence Queries: [ total: 269, independent: 265, independent conditional: 15, independent unconditional: 250, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 537, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 7, dependent conditional: 3, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 534, independent: 530, independent conditional: 0, independent unconditional: 530, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 0, independent unconditional: 530, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 252, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 252, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 58, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 534, independent: 280, independent conditional: 0, independent unconditional: 280, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 252, unknown conditional: 0, unknown unconditional: 252] , Statistics on independence cache: Total cache size (in pairs): 252, Positive cache size: 250, Positive conditional cache size: 0, Positive unconditional cache size: 250, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 30, Maximal queried relation: 0, Independence queries for same thread: 3, Statistics for Abstraction: , Persistent sets #2 benchmarks: Persistent set computation time: 0.0s, Number of persistent set computation: 30, Number of trivial persistent sets: 20, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 252, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 269, independent: 265, independent conditional: 15, independent unconditional: 250, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 537, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 7, dependent conditional: 3, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 534, independent: 530, independent conditional: 0, independent unconditional: 530, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 0, independent unconditional: 530, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 252, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 252, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 58, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 534, independent: 280, independent conditional: 0, independent unconditional: 280, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 252, unknown conditional: 0, unknown unconditional: 252] , Statistics on independence cache: Total cache size (in pairs): 252, Positive cache size: 250, Positive conditional cache size: 0, Positive unconditional cache size: 250, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 30, Maximal queried relation: 0, Independence queries for same thread: 3, Statistics for Abstraction: - UnprovableResult [Line: 20]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 20. Possible FailurePath: [L692] 0 pthread_mutex_t ma, mb; [L693] 0 int data1, data2; [L716] 0 pthread_t t1, t2; [L719] 0 data1 = 10 [L720] 0 data2 = 10 [L721] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [\old(arg)={0:0}, data1=10, data2=10, ma={3:0}, mb={4:0}, t1=-2] [L722] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, data1=10, data2=10, ma={3:0}, mb={4:0}, t1=-2, t2=-1] [L697] 1 data1++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, data1=11, data2=10, ma={3:0}, mb={4:0}] [L700] 1 data2++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, data1=11, data2=11, ma={3:0}, mb={4:0}] [L702] 1 return 0; [L723] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, data1=11, data2=11, ma={3:0}, mb={4:0}, t1=-2, t2=-1] [L707] 2 data1+=5 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=11, ma={3:0}, mb={4:0}] [L710] 2 data2-=6 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}] [L712] 2 return 0; [L724] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1=-2, t2=-1] [L725] COND TRUE 0 data1==16 && data2==5 [L727] CALL 0 reach_error() [L20] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}] [L20] 0 __assert_fail ("0", "stateful01-1.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}] - UnprovableResult [Line: 714]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 722]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 721]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 58 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 could not prove your program: unable to determine feasibility of some traces [2024-11-02 14:21:05,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/stateful01-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f746010868b331b940ee2293ff3d78b9aa516b26fde95d84f76493b23741d03 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 14:21:09,075 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 14:21:09,179 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf [2024-11-02 14:21:09,191 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 14:21:09,192 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 14:21:09,221 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 14:21:09,221 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 14:21:09,222 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 14:21:09,223 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 14:21:09,223 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 14:21:09,224 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-02 14:21:09,225 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-02 14:21:09,225 INFO L153 SettingsManager]: * Use SBE=true [2024-11-02 14:21:09,226 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 14:21:09,226 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 14:21:09,226 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 14:21:09,227 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 14:21:09,227 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 14:21:09,227 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-02 14:21:09,228 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-02 14:21:09,228 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-02 14:21:09,229 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 14:21:09,229 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 14:21:09,230 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 14:21:09,230 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 14:21:09,230 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 14:21:09,231 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 14:21:09,231 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 14:21:09,231 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 14:21:09,232 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 14:21:09,232 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 14:21:09,233 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 14:21:09,233 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 14:21:09,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 14:21:09,234 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 14:21:09,234 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 14:21:09,235 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-02 14:21:09,235 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 14:21:09,235 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 14:21:09,235 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-02 14:21:09,236 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-02 14:21:09,236 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-02 14:21:09,237 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-02 14:21:09,237 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 14:21:09,237 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f746010868b331b940ee2293ff3d78b9aa516b26fde95d84f76493b23741d03 [2024-11-02 14:21:09,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 14:21:09,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 14:21:09,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 14:21:09,739 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 14:21:09,740 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 14:21:09,741 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/../../sv-benchmarks/c/pthread/stateful01-1.i Unable to find full path for "g++" [2024-11-02 14:21:11,783 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 14:21:12,096 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 14:21:12,099 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/sv-benchmarks/c/pthread/stateful01-1.i [2024-11-02 14:21:12,120 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/data/31f70993e/fe66ba63c0454d90b0310a7b483d04a5/FLAG606b54f97 [2024-11-02 14:21:12,146 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/data/31f70993e/fe66ba63c0454d90b0310a7b483d04a5 [2024-11-02 14:21:12,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 14:21:12,151 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 14:21:12,153 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 14:21:12,153 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 14:21:12,161 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 14:21:12,162 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 02:21:12" (1/1) ... [2024-11-02 14:21:12,165 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35d427ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:21:12, skipping insertion in model container [2024-11-02 14:21:12,165 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 02:21:12" (1/1) ... [2024-11-02 14:21:12,229 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 14:21:12,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 14:21:12,723 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 14:21:12,796 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 14:21:12,844 INFO L204 MainTranslator]: Completed translation [2024-11-02 14:21:12,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:21:12 WrapperNode [2024-11-02 14:21:12,845 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 14:21:12,846 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 14:21:12,846 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 14:21:12,846 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 14:21:12,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:21:12" (1/1) ... [2024-11-02 14:21:12,871 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:21:12" (1/1) ... [2024-11-02 14:21:12,902 INFO L138 Inliner]: procedures = 172, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2024-11-02 14:21:12,904 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 14:21:12,906 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 14:21:12,906 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 14:21:12,906 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 14:21:12,916 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:21:12" (1/1) ... [2024-11-02 14:21:12,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:21:12" (1/1) ... [2024-11-02 14:21:12,925 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:21:12" (1/1) ... [2024-11-02 14:21:12,925 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:21:12" (1/1) ... [2024-11-02 14:21:12,940 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:21:12" (1/1) ... [2024-11-02 14:21:12,942 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:21:12" (1/1) ... [2024-11-02 14:21:12,948 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:21:12" (1/1) ... [2024-11-02 14:21:12,949 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:21:12" (1/1) ... [2024-11-02 14:21:12,952 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 14:21:12,953 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 14:21:12,957 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 14:21:12,957 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 14:21:12,958 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:21:12" (1/1) ... [2024-11-02 14:21:12,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 14:21:12,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/z3 [2024-11-02 14:21:13,000 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 14:21:13,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 14:21:13,041 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-02 14:21:13,041 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-02 14:21:13,041 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-02 14:21:13,041 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-02 14:21:13,042 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-02 14:21:13,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 14:21:13,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 14:21:13,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-02 14:21:13,043 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-02 14:21:13,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 14:21:13,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 14:21:13,046 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-02 14:21:13,219 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 14:21:13,221 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 14:21:13,545 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-02 14:21:13,545 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 14:21:13,848 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 14:21:13,848 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 14:21:13,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 02:21:13 BoogieIcfgContainer [2024-11-02 14:21:13,849 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 14:21:13,853 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 14:21:13,854 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 14:21:13,859 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 14:21:13,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 02:21:12" (1/3) ... [2024-11-02 14:21:13,860 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5959e88e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 02:21:13, skipping insertion in model container [2024-11-02 14:21:13,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:21:12" (2/3) ... [2024-11-02 14:21:13,861 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5959e88e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 02:21:13, skipping insertion in model container [2024-11-02 14:21:13,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 02:21:13" (3/3) ... [2024-11-02 14:21:13,864 INFO L112 eAbstractionObserver]: Analyzing ICFG stateful01-1.i [2024-11-02 14:21:13,886 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 14:21:13,886 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-02 14:21:13,887 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-02 14:21:13,981 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-02 14:21:14,054 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 14:21:14,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-02 14:21:14,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/z3 [2024-11-02 14:21:14,060 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-02 14:21:14,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-02 14:21:14,116 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-02 14:21:14,130 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-02 14:21:14,137 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@3966c386, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 14:21:14,138 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-02 14:21:14,449 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-02 14:21:14,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 14:21:14,457 INFO L85 PathProgramCache]: Analyzing trace with hash -647255963, now seen corresponding path program 1 times [2024-11-02 14:21:14,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-02 14:21:14,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [69723572] [2024-11-02 14:21:14,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 14:21:14,475 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 14:21:14,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/mathsat [2024-11-02 14:21:14,483 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 14:21:14,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-02 14:21:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 14:21:14,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-02 14:21:14,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 14:21:15,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 14:21:15,098 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 14:21:15,099 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-02 14:21:15,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [69723572] [2024-11-02 14:21:15,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [69723572] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 14:21:15,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 14:21:15,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-02 14:21:15,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027520277] [2024-11-02 14:21:15,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 14:21:15,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-02 14:21:15,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-02 14:21:15,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-02 14:21:15,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-02 14:21:15,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 14:21:15,153 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-02 14:21:15,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 6 states have internal predecessors, (28), 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) [2024-11-02 14:21:15,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-02 14:21:15,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-02 14:21:15,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-02 14:21:15,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 14:21:15,606 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-02 14:21:15,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 14:21:15,607 INFO L85 PathProgramCache]: Analyzing trace with hash -647254778, now seen corresponding path program 1 times [2024-11-02 14:21:15,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-02 14:21:15,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [468175729] [2024-11-02 14:21:15,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 14:21:15,608 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 14:21:15,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/mathsat [2024-11-02 14:21:15,611 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 14:21:15,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-02 14:21:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 14:21:15,726 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 14:21:15,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 14:21:15,819 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-02 14:21:15,819 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 14:21:15,821 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 4 remaining) [2024-11-02 14:21:15,824 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (2 of 4 remaining) [2024-11-02 14:21:15,824 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-02 14:21:15,825 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-11-02 14:21:15,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-02 14:21:16,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 14:21:16,034 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-02 14:21:16,096 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-02 14:21:16,097 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 14:21:16,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-11-02 14:21:16,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 02:21:16 BasicIcfg [2024-11-02 14:21:16,123 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 14:21:16,124 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 14:21:16,124 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 14:21:16,124 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 14:21:16,127 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 02:21:13" (3/4) ... [2024-11-02 14:21:16,130 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 14:21:16,131 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 14:21:16,132 INFO L158 Benchmark]: Toolchain (without parser) took 3980.93ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 41.3MB in the beginning and 39.6MB in the end (delta: 1.7MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2024-11-02 14:21:16,133 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 62.9MB. Free memory was 38.7MB in the beginning and 38.6MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 14:21:16,134 INFO L158 Benchmark]: CACSL2BoogieTranslator took 692.03ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 41.2MB in the beginning and 43.5MB in the end (delta: -2.4MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2024-11-02 14:21:16,138 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.41ms. Allocated memory is still 75.5MB. Free memory was 43.5MB in the beginning and 41.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 14:21:16,139 INFO L158 Benchmark]: Boogie Preprocessor took 46.81ms. Allocated memory is still 75.5MB. Free memory was 41.4MB in the beginning and 39.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 14:21:16,139 INFO L158 Benchmark]: RCFGBuilder took 895.66ms. Allocated memory is still 75.5MB. Free memory was 39.7MB in the beginning and 34.5MB in the end (delta: 5.3MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2024-11-02 14:21:16,140 INFO L158 Benchmark]: TraceAbstraction took 2269.97ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 33.7MB in the beginning and 39.6MB in the end (delta: -5.9MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-11-02 14:21:16,140 INFO L158 Benchmark]: Witness Printer took 7.37ms. Allocated memory is still 92.3MB. Free memory is still 39.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 14:21:16,147 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 62.9MB. Free memory was 38.7MB in the beginning and 38.6MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 692.03ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 41.2MB in the beginning and 43.5MB in the end (delta: -2.4MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.41ms. Allocated memory is still 75.5MB. Free memory was 43.5MB in the beginning and 41.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.81ms. Allocated memory is still 75.5MB. Free memory was 41.4MB in the beginning and 39.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 895.66ms. Allocated memory is still 75.5MB. Free memory was 39.7MB in the beginning and 34.5MB in the end (delta: 5.3MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2269.97ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 33.7MB in the beginning and 39.6MB in the end (delta: -5.9MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * Witness Printer took 7.37ms. Allocated memory is still 92.3MB. Free memory is still 39.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: IndependenceRelationWithAbstraction.Independence Queries: [ total: 268, independent: 265, independent conditional: 15, independent unconditional: 250, dependent: 3, dependent conditional: 1, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 537, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 7, dependent conditional: 3, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 534, independent: 530, independent conditional: 0, independent unconditional: 530, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 0, independent unconditional: 530, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 316, independent: 314, independent conditional: 0, independent unconditional: 314, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 316, independent: 312, independent conditional: 0, independent unconditional: 312, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 112, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 86, dependent conditional: 0, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 534, independent: 216, independent conditional: 0, independent unconditional: 216, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 316, unknown conditional: 0, unknown unconditional: 316] , Statistics on independence cache: Total cache size (in pairs): 252, Positive cache size: 250, Positive conditional cache size: 0, Positive unconditional cache size: 250, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 15, Maximal queried relation: 0, Independence queries for same thread: 1, Statistics for Abstraction: , Persistent sets #1 benchmarks: Persistent set computation time: 0.3s, Number of persistent set computation: 28, Number of trivial persistent sets: 18, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 252, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 268, independent: 265, independent conditional: 15, independent unconditional: 250, dependent: 3, dependent conditional: 1, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 537, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 7, dependent conditional: 3, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 534, independent: 530, independent conditional: 0, independent unconditional: 530, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 0, independent unconditional: 530, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 316, independent: 314, independent conditional: 0, independent unconditional: 314, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 316, independent: 312, independent conditional: 0, independent unconditional: 312, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 112, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 86, dependent conditional: 0, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 534, independent: 216, independent conditional: 0, independent unconditional: 216, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 316, unknown conditional: 0, unknown unconditional: 316] , Statistics on independence cache: Total cache size (in pairs): 252, Positive cache size: 250, Positive conditional cache size: 0, Positive unconditional cache size: 250, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 15, Maximal queried relation: 0, Independence queries for same thread: 1, Statistics for Abstraction: , Independence relation #2 benchmarks: IndependenceRelationWithAbstraction.Independence Queries: [ total: 269, independent: 265, independent conditional: 15, independent unconditional: 250, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 537, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 7, dependent conditional: 3, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 534, independent: 530, independent conditional: 0, independent unconditional: 530, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 0, independent unconditional: 530, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 316, independent: 314, independent conditional: 0, independent unconditional: 314, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 316, independent: 312, independent conditional: 0, independent unconditional: 312, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 112, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 86, dependent conditional: 0, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 534, independent: 216, independent conditional: 0, independent unconditional: 216, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 316, unknown conditional: 0, unknown unconditional: 316] , Statistics on independence cache: Total cache size (in pairs): 316, Positive cache size: 314, Positive conditional cache size: 0, Positive unconditional cache size: 314, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 30, Maximal queried relation: 0, Independence queries for same thread: 3, Statistics for Abstraction: , Persistent sets #2 benchmarks: Persistent set computation time: 0.0s, Number of persistent set computation: 28, Number of trivial persistent sets: 18, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 252, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 269, independent: 265, independent conditional: 15, independent unconditional: 250, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 537, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 7, dependent conditional: 3, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 30, independent unconditional: 500, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 534, independent: 530, independent conditional: 0, independent unconditional: 530, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 534, independent: 530, independent conditional: 0, independent unconditional: 530, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 316, independent: 314, independent conditional: 0, independent unconditional: 314, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 316, independent: 312, independent conditional: 0, independent unconditional: 312, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 112, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 86, dependent conditional: 0, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 534, independent: 216, independent conditional: 0, independent unconditional: 216, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 316, unknown conditional: 0, unknown unconditional: 316] , Statistics on independence cache: Total cache size (in pairs): 316, Positive cache size: 314, Positive conditional cache size: 0, Positive unconditional cache size: 314, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 30, Maximal queried relation: 0, Independence queries for same thread: 3, Statistics for Abstraction: - UnprovableResult [Line: 20]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 20. Possible FailurePath: [L692] 0 pthread_mutex_t ma, mb; [L693] 0 int data1, data2; [L716] 0 pthread_t t1, t2; [L719] 0 data1 = 10 [L720] 0 data2 = 10 [L721] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [\old(arg)={0:0}, data1=10, data2=10, ma={3:0}, mb={4:0}, t1=0] [L722] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, data1=10, data2=10, ma={3:0}, mb={4:0}, t1=0, t2=1] [L697] 1 data1++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, data1=11, data2=10, ma={3:0}, mb={4:0}] [L700] 1 data2++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, data1=11, data2=11, ma={3:0}, mb={4:0}] [L702] 1 return 0; [L723] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, data1=11, data2=11, ma={3:0}, mb={4:0}, t1=0, t2=1] [L707] 2 data1+=5 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=11, ma={3:0}, mb={4:0}] [L710] 2 data2-=6 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}] [L712] 2 return 0; [L724] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1=0, t2=1] [L725] COND TRUE 0 data1==16 && data2==5 [L727] CALL 0 reach_error() [L20] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}] [L20] 0 __assert_fail ("0", "stateful01-1.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}] - UnprovableResult [Line: 714]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 722]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 721]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 58 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.6s, 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: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 177 SizeOfPredicates, 0 NumberOfNonLiveVariables, 111 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 could not prove your program: unable to determine feasibility of some traces [2024-11-02 14:21:16,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0772cd5f-cc7c-4bd6-8b26-fd8f6ad36b64/bin/ugemcutter-verify-SyDpkB78L0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample