./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_37e8260b-e5c1-4bc5-a46f-17f7446433c7/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e8260b-e5c1-4bc5-a46f-17f7446433c7/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e8260b-e5c1-4bc5-a46f-17f7446433c7/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e8260b-e5c1-4bc5-a46f-17f7446433c7/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e8260b-e5c1-4bc5-a46f-17f7446433c7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e8260b-e5c1-4bc5-a46f-17f7446433c7/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4aba0d481dbad425b1cb3ce4949768f5bfa91a070fed6a0c2b192c70ad920fc2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:59:14,344 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:59:14,455 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e8260b-e5c1-4bc5-a46f-17f7446433c7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:59:14,467 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:59:14,468 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:59:14,495 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:59:14,496 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:59:14,497 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:59:14,497 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:59:14,498 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:59:14,499 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:59:14,499 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:59:14,500 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:59:14,500 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:59:14,501 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:59:14,501 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:59:14,502 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:59:14,502 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:59:14,503 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:59:14,504 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:59:14,504 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:59:14,505 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:59:14,506 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:59:14,506 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:59:14,507 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:59:14,507 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:59:14,508 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:59:14,508 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:59:14,508 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:59:14,509 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:59:14,509 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:59:14,510 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:59:14,510 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:59:14,511 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:59:14,511 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:59:14,512 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:59:14,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:59:14,522 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:59:14,523 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:59:14,523 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:59:14,524 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:59:14,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:59:14,525 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:59:14,527 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:59:14,527 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:59:14,528 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_37e8260b-e5c1-4bc5-a46f-17f7446433c7/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e8260b-e5c1-4bc5-a46f-17f7446433c7/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4aba0d481dbad425b1cb3ce4949768f5bfa91a070fed6a0c2b192c70ad920fc2 [2023-11-19 04:59:14,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:59:14,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:59:14,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:59:14,878 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:59:14,878 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:59:14,881 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e8260b-e5c1-4bc5-a46f-17f7446433c7/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i [2023-11-19 04:59:17,988 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:59:18,482 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:59:18,482 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e8260b-e5c1-4bc5-a46f-17f7446433c7/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i [2023-11-19 04:59:18,529 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e8260b-e5c1-4bc5-a46f-17f7446433c7/bin/utaipan-verify-t7M7D8N6sZ/data/df39b3396/2fb13d9f39ee480da4acb0c584d43749/FLAG195764975 [2023-11-19 04:59:18,546 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e8260b-e5c1-4bc5-a46f-17f7446433c7/bin/utaipan-verify-t7M7D8N6sZ/data/df39b3396/2fb13d9f39ee480da4acb0c584d43749 [2023-11-19 04:59:18,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:59:18,556 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:59:18,560 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:59:18,560 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:59:18,566 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:59:18,566 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:59:18" (1/1) ... [2023-11-19 04:59:18,567 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bb52e82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:18, skipping insertion in model container [2023-11-19 04:59:18,568 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:59:18" (1/1) ... [2023-11-19 04:59:18,694 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:59:18,872 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e8260b-e5c1-4bc5-a46f-17f7446433c7/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i[472,485] [2023-11-19 04:59:19,969 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:59:20,028 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:59:20,042 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e8260b-e5c1-4bc5-a46f-17f7446433c7/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i[472,485] [2023-11-19 04:59:20,344 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:59:20,472 WARN L675 CHandler]: The function __VERIFIER_nondet_sector_t is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:59:20,481 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:59:20,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:20 WrapperNode [2023-11-19 04:59:20,481 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:59:20,482 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:59:20,483 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:59:20,483 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:59:20,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:20" (1/1) ... [2023-11-19 04:59:20,597 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:20" (1/1) ... [2023-11-19 04:59:20,701 INFO L138 Inliner]: procedures = 474, calls = 840, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 1080 [2023-11-19 04:59:20,703 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:59:20,704 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:59:20,705 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:59:20,705 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:59:20,714 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:20" (1/1) ... [2023-11-19 04:59:20,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:20" (1/1) ... [2023-11-19 04:59:20,723 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:20" (1/1) ... [2023-11-19 04:59:20,723 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:20" (1/1) ... [2023-11-19 04:59:20,792 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:20" (1/1) ... [2023-11-19 04:59:20,801 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:20" (1/1) ... [2023-11-19 04:59:20,809 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:20" (1/1) ... [2023-11-19 04:59:20,817 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:20" (1/1) ... [2023-11-19 04:59:20,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:59:20,845 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:59:20,845 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:59:20,845 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:59:20,846 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:20" (1/1) ... [2023-11-19 04:59:20,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:59:20,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e8260b-e5c1-4bc5-a46f-17f7446433c7/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:59:20,878 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e8260b-e5c1-4bc5-a46f-17f7446433c7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:59:20,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e8260b-e5c1-4bc5-a46f-17f7446433c7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:59:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2023-11-19 04:59:20,940 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2023-11-19 04:59:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:59:20,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2023-11-19 04:59:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 04:59:20,943 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 04:59:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:59:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 04:59:20,944 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 04:59:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:59:20,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2023-11-19 04:59:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2023-11-19 04:59:20,945 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2023-11-19 04:59:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:59:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:59:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:59:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2023-11-19 04:59:20,946 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2023-11-19 04:59:20,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:59:20,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:59:20,946 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:59:20,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:59:20,947 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2023-11-19 04:59:20,948 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2023-11-19 04:59:20,948 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-19 04:59:20,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-19 04:59:20,948 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2023-11-19 04:59:20,949 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2023-11-19 04:59:20,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:59:20,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:59:20,950 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2023-11-19 04:59:20,950 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2023-11-19 04:59:20,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:59:20,950 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:59:20,951 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:59:20,951 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-19 04:59:20,951 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-19 04:59:20,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:59:20,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:59:20,952 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-19 04:59:20,952 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-19 04:59:20,952 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2023-11-19 04:59:20,952 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2023-11-19 04:59:20,952 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-19 04:59:20,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-19 04:59:20,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:59:20,953 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 04:59:20,953 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 04:59:20,953 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-19 04:59:20,953 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-19 04:59:20,953 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-19 04:59:20,954 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-19 04:59:20,954 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2023-11-19 04:59:20,954 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2023-11-19 04:59:20,954 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2023-11-19 04:59:20,954 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2023-11-19 04:59:20,955 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2023-11-19 04:59:20,955 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2023-11-19 04:59:20,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:59:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2023-11-19 04:59:20,956 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2023-11-19 04:59:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2023-11-19 04:59:20,957 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2023-11-19 04:59:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-11-19 04:59:20,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-11-19 04:59:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 04:59:20,958 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 04:59:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 04:59:20,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 04:59:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:59:21,333 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:59:21,336 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:59:23,314 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:59:23,848 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:59:23,848 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 04:59:23,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:59:23 BoogieIcfgContainer [2023-11-19 04:59:23,856 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:59:23,859 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:59:23,859 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:59:23,863 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:59:23,863 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:59:18" (1/3) ... [2023-11-19 04:59:23,864 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6296ef77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:59:23, skipping insertion in model container [2023-11-19 04:59:23,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:20" (2/3) ... [2023-11-19 04:59:23,864 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6296ef77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:59:23, skipping insertion in model container [2023-11-19 04:59:23,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:59:23" (3/3) ... [2023-11-19 04:59:23,866 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_pthread_mutex_unlock.i [2023-11-19 04:59:23,886 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:59:23,886 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-19 04:59:23,888 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6296ef77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:59:23, skipping insertion in model container [2023-11-19 04:59:23,888 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:59:23,889 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:59:23,889 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:59:23,889 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:59:23,889 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:59:23" (3/3) ... [2023-11-19 04:59:23,892 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:59:23,895 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_init [2023-11-19 04:59:23,895 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2023-11-19 04:59:23,896 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure misc_deregister [2023-11-19 04:59:23,896 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_ping [2023-11-19 04:59:23,896 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_context_process [2023-11-19 04:59:23,896 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_readw [2023-11-19 04:59:23,896 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:59:23,896 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_timer_off [2023-11-19 04:59:23,896 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock [2023-11-19 04:59:23,896 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 04:59:23,897 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2023-11-19 04:59:23,897 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outw [2023-11-19 04:59:23,897 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2023-11-19 04:59:23,897 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure add_timer [2023-11-19 04:59:23,897 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2023-11-19 04:59:23,897 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-19 04:59:23,897 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure release_region [2023-11-19 04:59:23,897 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_begin [2023-11-19 04:59:23,898 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2023-11-19 04:59:23,898 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_end [2023-11-19 04:59:23,898 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure del_timer [2023-11-19 04:59:23,898 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_irqsave [2023-11-19 04:59:23,898 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_get_control [2023-11-19 04:59:23,898 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure request_region [2023-11-19 04:59:23,899 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-11-19 04:59:23,899 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdev_add [2023-11-19 04:59:23,899 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-19 04:59:23,899 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_set_control [2023-11-19 04:59:23,922 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 231 nodes and edges [2023-11-19 04:59:23,925 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 84 nodes and edges [2023-11-19 04:59:23,928 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-19 04:59:23,930 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-19 04:59:23,933 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-19 04:59:23,936 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:59:24,311 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e8260b-e5c1-4bc5-a46f-17f7446433c7/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 04:59:24,311 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e8260b-e5c1-4bc5-a46f-17f7446433c7/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 04:59:24,311 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:59:24,313 INFO L158 Benchmark]: Toolchain (without parser) took 5756.75ms. Allocated memory was 153.1MB in the beginning and 230.7MB in the end (delta: 77.6MB). Free memory was 88.1MB in the beginning and 165.8MB in the end (delta: -77.7MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. [2023-11-19 04:59:24,314 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 89.6MB in the end (delta: 134.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:59:24,314 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1921.81ms. Allocated memory is still 153.1MB. Free memory was 87.9MB in the beginning and 78.0MB in the end (delta: 9.9MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2023-11-19 04:59:24,314 INFO L158 Benchmark]: Boogie Procedure Inliner took 220.86ms. Allocated memory is still 153.1MB. Free memory was 78.0MB in the beginning and 68.3MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:59:24,315 INFO L158 Benchmark]: Boogie Preprocessor took 139.59ms. Allocated memory is still 153.1MB. Free memory was 68.3MB in the beginning and 60.6MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 04:59:24,315 INFO L158 Benchmark]: RCFGBuilder took 3011.85ms. Allocated memory was 153.1MB in the beginning and 190.8MB in the end (delta: 37.7MB). Free memory was 60.6MB in the beginning and 90.3MB in the end (delta: -29.7MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2023-11-19 04:59:24,316 INFO L158 Benchmark]: TraceAbstraction took 28.69ms. Allocated memory is still 190.8MB. Free memory was 89.3MB in the beginning and 88.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:59:24,316 INFO L158 Benchmark]: Witness Printer took 422.98ms. Allocated memory was 190.8MB in the beginning and 230.7MB in the end (delta: 39.8MB). Free memory was 87.2MB in the beginning and 165.8MB in the end (delta: -78.6MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2023-11-19 04:59:24,318 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 89.6MB in the end (delta: 134.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1921.81ms. Allocated memory is still 153.1MB. Free memory was 87.9MB in the beginning and 78.0MB in the end (delta: 9.9MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 220.86ms. Allocated memory is still 153.1MB. Free memory was 78.0MB in the beginning and 68.3MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 139.59ms. Allocated memory is still 153.1MB. Free memory was 68.3MB in the beginning and 60.6MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3011.85ms. Allocated memory was 153.1MB in the beginning and 190.8MB in the end (delta: 37.7MB). Free memory was 60.6MB in the beginning and 90.3MB in the end (delta: -29.7MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. * TraceAbstraction took 28.69ms. Allocated memory is still 190.8MB. Free memory was 89.3MB in the beginning and 88.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 422.98ms. Allocated memory was 190.8MB in the beginning and 230.7MB in the end (delta: 39.8MB). Free memory was 87.2MB in the beginning and 165.8MB in the end (delta: -78.6MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2023-11-19 04:59:24,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e8260b-e5c1-4bc5-a46f-17f7446433c7/bin/utaipan-verify-t7M7D8N6sZ/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 Writing output log to file Ultimate.log Result: TRUE