./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a0165632 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_cb6e6885-3fbf-4af9-9f37-45457f0b9acf/bin/ugemcutter-verify-v6A4Riy6iL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6e6885-3fbf-4af9-9f37-45457f0b9acf/bin/ugemcutter-verify-v6A4Riy6iL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6e6885-3fbf-4af9-9f37-45457f0b9acf/bin/ugemcutter-verify-v6A4Riy6iL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6e6885-3fbf-4af9-9f37-45457f0b9acf/bin/ugemcutter-verify-v6A4Riy6iL/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6e6885-3fbf-4af9-9f37-45457f0b9acf/bin/ugemcutter-verify-v6A4Riy6iL/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6e6885-3fbf-4af9-9f37-45457f0b9acf/bin/ugemcutter-verify-v6A4Riy6iL --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 0cc2344d8bedffb786f66d288e651407abc416f1e22d065ca4595f05e214f2a3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 12:08:01,904 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 12:08:02,027 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6e6885-3fbf-4af9-9f37-45457f0b9acf/bin/ugemcutter-verify-v6A4Riy6iL/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2024-11-08 12:08:02,034 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 12:08:02,034 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 12:08:02,069 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 12:08:02,069 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 12:08:02,070 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 12:08:02,071 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 12:08:02,072 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 12:08:02,073 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 12:08:02,073 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 12:08:02,074 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 12:08:02,074 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 12:08:02,075 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 12:08:02,075 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 12:08:02,076 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 12:08:02,076 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 12:08:02,077 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 12:08:02,078 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 12:08:02,078 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 12:08:02,079 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 12:08:02,079 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 12:08:02,080 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 12:08:02,080 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 12:08:02,081 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 12:08:02,081 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 12:08:02,082 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 12:08:02,082 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 12:08:02,083 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 12:08:02,083 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 12:08:02,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-08 12:08:02,084 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 12:08:02,084 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 12:08:02,085 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 12:08:02,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 12:08:02,086 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 12:08:02,086 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-08 12:08:02,086 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-08 12:08:02,087 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-08 12:08:02,087 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-08 12:08:02,088 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_cb6e6885-3fbf-4af9-9f37-45457f0b9acf/bin/ugemcutter-verify-v6A4Riy6iL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6e6885-3fbf-4af9-9f37-45457f0b9acf/bin/ugemcutter-verify-v6A4Riy6iL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cc2344d8bedffb786f66d288e651407abc416f1e22d065ca4595f05e214f2a3 [2024-11-08 12:08:02,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 12:08:02,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 12:08:02,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 12:08:02,460 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 12:08:02,462 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 12:08:02,464 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6e6885-3fbf-4af9-9f37-45457f0b9acf/bin/ugemcutter-verify-v6A4Riy6iL/../../sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i Unable to find full path for "g++" [2024-11-08 12:08:04,950 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 12:08:05,285 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 12:08:05,286 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6e6885-3fbf-4af9-9f37-45457f0b9acf/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i [2024-11-08 12:08:05,305 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6e6885-3fbf-4af9-9f37-45457f0b9acf/bin/ugemcutter-verify-v6A4Riy6iL/data/a5fc5017f/af2d1a7569a44bf9a52ed56ad9a8b2f7/FLAG74312b7e2 [2024-11-08 12:08:05,524 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6e6885-3fbf-4af9-9f37-45457f0b9acf/bin/ugemcutter-verify-v6A4Riy6iL/data/a5fc5017f/af2d1a7569a44bf9a52ed56ad9a8b2f7 [2024-11-08 12:08:05,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 12:08:05,530 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 12:08:05,532 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 12:08:05,532 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 12:08:05,541 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 12:08:05,542 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:08:05" (1/1) ... [2024-11-08 12:08:05,544 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46a873fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:08:05, skipping insertion in model container [2024-11-08 12:08:05,544 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:08:05" (1/1) ... [2024-11-08 12:08:05,622 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 12:08:06,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:08:06,225 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 12:08:06,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:08:06,380 INFO L204 MainTranslator]: Completed translation [2024-11-08 12:08:06,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:08:06 WrapperNode [2024-11-08 12:08:06,382 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 12:08:06,384 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 12:08:06,386 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 12:08:06,386 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 12:08:06,397 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:08:06" (1/1) ... [2024-11-08 12:08:06,414 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:08:06" (1/1) ... [2024-11-08 12:08:06,483 INFO L138 Inliner]: procedures = 180, calls = 59, calls flagged for inlining = 54, calls inlined = 79, statements flattened = 478 [2024-11-08 12:08:06,485 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 12:08:06,486 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 12:08:06,487 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 12:08:06,487 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 12:08:06,499 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:08:06" (1/1) ... [2024-11-08 12:08:06,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:08:06" (1/1) ... [2024-11-08 12:08:06,509 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:08:06" (1/1) ... [2024-11-08 12:08:06,514 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:08:06" (1/1) ... [2024-11-08 12:08:06,536 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:08:06" (1/1) ... [2024-11-08 12:08:06,554 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:08:06" (1/1) ... [2024-11-08 12:08:06,562 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:08:06" (1/1) ... [2024-11-08 12:08:06,565 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:08:06" (1/1) ... [2024-11-08 12:08:06,577 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 12:08:06,581 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 12:08:06,582 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 12:08:06,582 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 12:08:06,583 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:08:06" (1/1) ... [2024-11-08 12:08:06,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-08 12:08:06,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6e6885-3fbf-4af9-9f37-45457f0b9acf/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:08:06,644 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6e6885-3fbf-4af9-9f37-45457f0b9acf/bin/ugemcutter-verify-v6A4Riy6iL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-08 12:08:06,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6e6885-3fbf-4af9-9f37-45457f0b9acf/bin/ugemcutter-verify-v6A4Riy6iL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-08 12:08:06,688 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-08 12:08:06,689 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-08 12:08:06,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 12:08:06,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 12:08:06,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 12:08:06,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 12:08:06,692 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 12:08:06,901 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 12:08:06,905 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 12:08:07,956 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 12:08:07,956 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 12:08:08,402 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 12:08:08,403 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-08 12:08:08,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:08:08 BoogieIcfgContainer [2024-11-08 12:08:08,405 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 12:08:08,409 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 12:08:08,410 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 12:08:08,414 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 12:08:08,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 12:08:05" (1/3) ... [2024-11-08 12:08:08,416 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e3edb28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:08:08, skipping insertion in model container [2024-11-08 12:08:08,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:08:06" (2/3) ... [2024-11-08 12:08:08,417 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e3edb28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:08:08, skipping insertion in model container [2024-11-08 12:08:08,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:08:08" (3/3) ... [2024-11-08 12:08:08,421 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_NetBSD_sysmon_power_sliced.i [2024-11-08 12:08:08,444 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 12:08:08,444 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-11-08 12:08:08,445 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 12:08:08,558 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-08 12:08:08,648 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:08:08,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-08 12:08:08,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6e6885-3fbf-4af9-9f37-45457f0b9acf/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:08:08,652 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6e6885-3fbf-4af9-9f37-45457f0b9acf/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-08 12:08:08,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb6e6885-3fbf-4af9-9f37-45457f0b9acf/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-08 12:08:08,709 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-08 12:08:08,722 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2024-11-08 12:08:08,730 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;@6f7f59c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:08:08,730 INFO L334 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-11-08 12:08:09,395 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err1ASSERT_VIOLATIONMEMORY_LEAK === [thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, thr1Err2ASSERT_VIOLATIONMEMORY_LEAK, thr1Err3ASSERT_VIOLATIONMEMORY_LEAK, thr1Err5ASSERT_VIOLATIONMEMORY_LEAK (and 7 more)] === [2024-11-08 12:08:09,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:08:09,405 INFO L85 PathProgramCache]: Analyzing trace with hash -768376911, now seen corresponding path program 1 times [2024-11-08 12:08:09,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:08:09,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664789681] [2024-11-08 12:08:09,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:08:09,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:08:09,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:08:09,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:08:09,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:08:09,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664789681] [2024-11-08 12:08:09,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664789681] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:08:09,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:08:09,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 12:08:09,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088109648] [2024-11-08 12:08:09,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:08:09,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:08:09,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:08:09,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:08:09,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:08:09,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:08:09,840 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:08:09,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-11-08 12:08:09,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:08:10,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:08:10,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 12:08:10,546 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err5ASSERT_VIOLATIONMEMORY_LEAK === [thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, thr1Err2ASSERT_VIOLATIONMEMORY_LEAK, thr1Err3ASSERT_VIOLATIONMEMORY_LEAK, thr1Err5ASSERT_VIOLATIONMEMORY_LEAK (and 7 more)] === [2024-11-08 12:08:10,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:08:10,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1780445723, now seen corresponding path program 1 times [2024-11-08 12:08:10,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:08:10,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473467789] [2024-11-08 12:08:10,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:08:10,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:08:10,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:08:10,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:08:10,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:08:10,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473467789] [2024-11-08 12:08:10,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473467789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:08:10,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:08:10,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 12:08:10,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71971554] [2024-11-08 12:08:10,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:08:10,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:08:10,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:08:10,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:08:10,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:08:10,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:08:10,696 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:08:10,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-11-08 12:08:10,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:08:10,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:08:11,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:08:11,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:08:11,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONMEMORY_LEAK (10 of 11 remaining) [2024-11-08 12:08:11,225 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONMEMORY_LEAK (9 of 11 remaining) [2024-11-08 12:08:11,227 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONMEMORY_LEAK (8 of 11 remaining) [2024-11-08 12:08:11,227 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONMEMORY_LEAK (7 of 11 remaining) [2024-11-08 12:08:11,228 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONMEMORY_LEAK (6 of 11 remaining) [2024-11-08 12:08:11,228 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONMEMORY_LEAK (5 of 11 remaining) [2024-11-08 12:08:11,228 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONMEMORY_LEAK (4 of 11 remaining) [2024-11-08 12:08:11,229 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONMEMORY_LEAK (3 of 11 remaining) [2024-11-08 12:08:11,230 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONMEMORY_LEAK (2 of 11 remaining) [2024-11-08 12:08:11,231 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err9ASSERT_VIOLATIONMEMORY_LEAK (1 of 11 remaining) [2024-11-08 12:08:11,231 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err10ASSERT_VIOLATIONMEMORY_LEAK (0 of 11 remaining) [2024-11-08 12:08:11,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 12:08:11,250 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 12:08:11,253 INFO L317 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2024-11-08 12:08:11,268 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:08:11,270 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-08 12:08:11,272 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-08 12:08:11,273 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;@6f7f59c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:08:11,277 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 12:08:11,528 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:08:11,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:08:11,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1420580156, now seen corresponding path program 1 times [2024-11-08 12:08:11,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:08:11,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990304390] [2024-11-08 12:08:11,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:08:11,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:08:11,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 12:08:11,557 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 12:08:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 12:08:11,597 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 12:08:11,598 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 12:08:11,598 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2024-11-08 12:08:11,598 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 2 remaining) [2024-11-08 12:08:11,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 12:08:11,602 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 12:08:11,602 INFO L317 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN (2/2) [2024-11-08 12:08:11,604 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-08 12:08:11,605 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-08 12:08:11,718 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-08 12:08:11,726 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:08:11,731 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-08 12:08:11,735 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-08 12:08:11,735 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;@6f7f59c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:08:11,735 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 12:08:12,115 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:08:12,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:08:12,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1067915568, now seen corresponding path program 1 times [2024-11-08 12:08:12,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:08:12,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206411076] [2024-11-08 12:08:12,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:08:12,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:08:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 12:08:12,135 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 12:08:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 12:08:12,156 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 12:08:12,160 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 12:08:12,160 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2024-11-08 12:08:12,160 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 2 remaining) [2024-11-08 12:08:12,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 12:08:12,169 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 12:08:12,169 INFO L317 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN (1/3) [2024-11-08 12:08:12,170 WARN L244 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-08 12:08:12,170 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-08 12:08:12,310 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-08 12:08:12,318 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:08:12,320 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-08 12:08:12,321 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread3of3ForFork0 ======== [2024-11-08 12:08:12,322 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;@6f7f59c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:08:12,326 INFO L334 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-11-08 12:08:42,465 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err1ASSERT_VIOLATIONMEMORY_LEAK === [thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, thr1Err2ASSERT_VIOLATIONMEMORY_LEAK, thr1Err3ASSERT_VIOLATIONMEMORY_LEAK, thr1Err5ASSERT_VIOLATIONMEMORY_LEAK (and 7 more)] === [2024-11-08 12:08:42,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:08:42,466 INFO L85 PathProgramCache]: Analyzing trace with hash -2090344044, now seen corresponding path program 1 times [2024-11-08 12:08:42,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:08:42,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681652240] [2024-11-08 12:08:42,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:08:42,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:08:42,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:08:42,601 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 12:08:42,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:08:42,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681652240] [2024-11-08 12:08:42,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681652240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:08:42,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:08:42,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 12:08:42,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696538051] [2024-11-08 12:08:42,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:08:42,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:08:42,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:08:42,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:08:42,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:08:42,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:08:42,620 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:08:42,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-11-08 12:08:42,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:14,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:14,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 12:09:14,669 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err5ASSERT_VIOLATIONMEMORY_LEAK === [thr1Err1ASSERT_VIOLATIONMEMORY_LEAK, thr1Err2ASSERT_VIOLATIONMEMORY_LEAK, thr1Err3ASSERT_VIOLATIONMEMORY_LEAK, thr1Err5ASSERT_VIOLATIONMEMORY_LEAK (and 7 more)] === [2024-11-08 12:09:14,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:09:14,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1297403248, now seen corresponding path program 1 times [2024-11-08 12:09:14,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:09:14,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240038079] [2024-11-08 12:09:14,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:09:14,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:09:14,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:09:15,047 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-11-08 12:09:15,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:09:15,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240038079] [2024-11-08 12:09:15,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240038079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:09:15,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:09:15,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 12:09:15,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659482456] [2024-11-08 12:09:15,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:09:15,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:09:15,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:09:15,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:09:15,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:09:15,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:09:15,059 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:09:15,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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) [2024-11-08 12:09:15,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:09:15,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.