./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 7e1ff0e6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4aba0d481dbad425b1cb3ce4949768f5bfa91a070fed6a0c2b192c70ad920fc2 --- Real Ultimate output --- This is Ultimate 0.2.2-?-7e1ff0e [2023-02-14 22:43:23,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-14 22:43:23,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-14 22:43:23,375 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-14 22:43:23,376 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-14 22:43:23,378 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-14 22:43:23,380 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-14 22:43:23,382 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-14 22:43:23,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-14 22:43:23,390 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-14 22:43:23,391 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-14 22:43:23,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-14 22:43:23,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-14 22:43:23,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-14 22:43:23,397 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-14 22:43:23,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-14 22:43:23,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-14 22:43:23,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-14 22:43:23,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-14 22:43:23,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-14 22:43:23,408 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-14 22:43:23,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-14 22:43:23,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-14 22:43:23,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-14 22:43:23,418 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-14 22:43:23,418 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-14 22:43:23,418 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-14 22:43:23,420 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-14 22:43:23,420 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-14 22:43:23,421 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-14 22:43:23,421 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-14 22:43:23,422 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-14 22:43:23,423 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-14 22:43:23,425 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-14 22:43:23,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-14 22:43:23,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-14 22:43:23,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-14 22:43:23,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-14 22:43:23,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-14 22:43:23,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-14 22:43:23,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-14 22:43:23,430 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-14 22:43:23,462 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-14 22:43:23,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-14 22:43:23,463 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-14 22:43:23,463 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-14 22:43:23,464 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-14 22:43:23,464 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-14 22:43:23,465 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-14 22:43:23,465 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-14 22:43:23,465 INFO L138 SettingsManager]: * Use SBE=true [2023-02-14 22:43:23,465 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-14 22:43:23,466 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-14 22:43:23,466 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-14 22:43:23,466 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-14 22:43:23,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-14 22:43:23,467 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-14 22:43:23,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-14 22:43:23,467 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-14 22:43:23,467 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-14 22:43:23,468 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-14 22:43:23,468 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-14 22:43:23,468 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-14 22:43:23,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-14 22:43:23,468 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-14 22:43:23,469 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-14 22:43:23,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 22:43:23,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-14 22:43:23,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-14 22:43:23,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-14 22:43:23,470 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-14 22:43:23,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-14 22:43:23,470 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-14 22:43:23,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-14 22:43:23,470 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-14 22:43:23,471 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-14 22:43:23,471 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-14 22:43:23,471 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4aba0d481dbad425b1cb3ce4949768f5bfa91a070fed6a0c2b192c70ad920fc2 [2023-02-14 22:43:23,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-14 22:43:23,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-14 22:43:23,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-14 22:43:23,729 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-14 22:43:23,729 INFO L275 PluginConnector]: CDTParser initialized [2023-02-14 22:43:23,730 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i [2023-02-14 22:43:24,749 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-14 22:43:25,136 INFO L351 CDTParser]: Found 1 translation units. [2023-02-14 22:43:25,137 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i [2023-02-14 22:43:25,154 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9fa16dd1/79ceaf86ee9d4588aa766ee1f369e9de/FLAGf499f85cd [2023-02-14 22:43:25,169 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9fa16dd1/79ceaf86ee9d4588aa766ee1f369e9de [2023-02-14 22:43:25,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-14 22:43:25,172 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-14 22:43:25,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-14 22:43:25,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-14 22:43:25,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-14 22:43:25,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 10:43:25" (1/1) ... [2023-02-14 22:43:25,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b707bce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:25, skipping insertion in model container [2023-02-14 22:43:25,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 10:43:25" (1/1) ... [2023-02-14 22:43:25,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-14 22:43:25,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-14 22:43:25,402 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i[472,485] [2023-02-14 22:43:26,023 WARN L623 FunctionHandler]: Unknown extern function misc_register [2023-02-14 22:43:26,026 WARN L623 FunctionHandler]: Unknown extern function register_reboot_notifier [2023-02-14 22:43:26,032 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-14 22:43:26,035 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-14 22:43:26,036 WARN L623 FunctionHandler]: Unknown extern function unregister_reboot_notifier [2023-02-14 22:43:26,188 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_sector_t [2023-02-14 22:43:26,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 22:43:26,350 INFO L203 MainTranslator]: Completed pre-run [2023-02-14 22:43:26,360 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i[472,485] [2023-02-14 22:43:26,421 WARN L623 FunctionHandler]: Unknown extern function misc_register [2023-02-14 22:43:26,422 WARN L623 FunctionHandler]: Unknown extern function register_reboot_notifier [2023-02-14 22:43:26,423 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-14 22:43:26,423 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-14 22:43:26,424 WARN L623 FunctionHandler]: Unknown extern function unregister_reboot_notifier [2023-02-14 22:43:26,437 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_sector_t [2023-02-14 22:43:26,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 22:43:26,595 INFO L208 MainTranslator]: Completed translation [2023-02-14 22:43:26,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:26 WrapperNode [2023-02-14 22:43:26,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-14 22:43:26,597 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-14 22:43:26,597 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-14 22:43:26,597 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-14 22:43:26,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:26" (1/1) ... [2023-02-14 22:43:26,668 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:26" (1/1) ... [2023-02-14 22:43:26,718 INFO L138 Inliner]: procedures = 474, calls = 840, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 1009 [2023-02-14 22:43:26,719 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-14 22:43:26,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-14 22:43:26,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-14 22:43:26,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-14 22:43:26,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:26" (1/1) ... [2023-02-14 22:43:26,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:26" (1/1) ... [2023-02-14 22:43:26,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:26" (1/1) ... [2023-02-14 22:43:26,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:26" (1/1) ... [2023-02-14 22:43:26,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:26" (1/1) ... [2023-02-14 22:43:26,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:26" (1/1) ... [2023-02-14 22:43:26,779 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:26" (1/1) ... [2023-02-14 22:43:26,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:26" (1/1) ... [2023-02-14 22:43:26,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-14 22:43:26,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-14 22:43:26,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-14 22:43:26,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-14 22:43:26,808 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:26" (1/1) ... [2023-02-14 22:43:26,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 22:43:26,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 22:43:26,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-02-14 22:43:26,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-02-14 22:43:26,869 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2023-02-14 22:43:26,869 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2023-02-14 22:43:26,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-02-14 22:43:26,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2023-02-14 22:43:26,870 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-02-14 22:43:26,870 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-02-14 22:43:26,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-02-14 22:43:26,870 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-02-14 22:43:26,870 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-02-14 22:43:26,870 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-02-14 22:43:26,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2023-02-14 22:43:26,871 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2023-02-14 22:43:26,871 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2023-02-14 22:43:26,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-02-14 22:43:26,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-02-14 22:43:26,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-02-14 22:43:26,872 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2023-02-14 22:43:26,872 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2023-02-14 22:43:26,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-14 22:43:26,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-02-14 22:43:26,873 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-02-14 22:43:26,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-02-14 22:43:26,873 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2023-02-14 22:43:26,874 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2023-02-14 22:43:26,874 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-02-14 22:43:26,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-02-14 22:43:26,874 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2023-02-14 22:43:26,874 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2023-02-14 22:43:26,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-14 22:43:26,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-14 22:43:26,875 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2023-02-14 22:43:26,875 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2023-02-14 22:43:26,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-02-14 22:43:26,875 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-02-14 22:43:26,875 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-02-14 22:43:26,875 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-02-14 22:43:26,875 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-02-14 22:43:26,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-02-14 22:43:26,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-02-14 22:43:26,876 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-02-14 22:43:26,876 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-02-14 22:43:26,877 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2023-02-14 22:43:26,877 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2023-02-14 22:43:26,877 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-02-14 22:43:26,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-02-14 22:43:26,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-02-14 22:43:26,878 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-02-14 22:43:26,878 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-02-14 22:43:26,878 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-02-14 22:43:26,878 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-02-14 22:43:26,879 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-02-14 22:43:26,879 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-02-14 22:43:26,879 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2023-02-14 22:43:26,879 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2023-02-14 22:43:26,879 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2023-02-14 22:43:26,879 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2023-02-14 22:43:26,879 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2023-02-14 22:43:26,880 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2023-02-14 22:43:26,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-02-14 22:43:26,881 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2023-02-14 22:43:26,881 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2023-02-14 22:43:26,881 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2023-02-14 22:43:26,881 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2023-02-14 22:43:26,881 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-02-14 22:43:26,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-02-14 22:43:26,882 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-02-14 22:43:26,882 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-02-14 22:43:26,882 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-02-14 22:43:26,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-02-14 22:43:26,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-14 22:43:27,239 INFO L235 CfgBuilder]: Building ICFG [2023-02-14 22:43:27,241 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-14 22:43:28,783 INFO L276 CfgBuilder]: Performing block encoding [2023-02-14 22:43:28,791 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-14 22:43:28,791 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2023-02-14 22:43:28,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 10:43:28 BoogieIcfgContainer [2023-02-14 22:43:28,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-14 22:43:28,795 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-14 22:43:28,796 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-14 22:43:28,798 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-14 22:43:28,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.02 10:43:25" (1/3) ... [2023-02-14 22:43:28,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d81dd09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 10:43:28, skipping insertion in model container [2023-02-14 22:43:28,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:26" (2/3) ... [2023-02-14 22:43:28,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d81dd09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 10:43:28, skipping insertion in model container [2023-02-14 22:43:28,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 10:43:28" (3/3) ... [2023-02-14 22:43:28,801 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_pthread_mutex_unlock.i [2023-02-14 22:43:28,816 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-14 22:43:28,816 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-02-14 22:43:28,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d81dd09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.02 10:43:28, skipping insertion in model container [2023-02-14 22:43:28,818 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-14 22:43:28,819 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-14 22:43:28,819 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-14 22:43:28,819 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-14 22:43:28,819 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 10:43:28" (3/3) ... [2023-02-14 22:43:28,822 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-14 22:43:28,827 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_init [2023-02-14 22:43:28,827 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2023-02-14 22:43:28,828 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure misc_deregister [2023-02-14 22:43:28,828 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_ping [2023-02-14 22:43:28,828 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_context_process [2023-02-14 22:43:28,828 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_readw [2023-02-14 22:43:28,828 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2023-02-14 22:43:28,828 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_timer_off [2023-02-14 22:43:28,828 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock [2023-02-14 22:43:28,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-02-14 22:43:28,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2023-02-14 22:43:28,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outw [2023-02-14 22:43:28,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2023-02-14 22:43:28,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure add_timer [2023-02-14 22:43:28,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2023-02-14 22:43:28,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-02-14 22:43:28,830 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure release_region [2023-02-14 22:43:28,830 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_begin [2023-02-14 22:43:28,830 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2023-02-14 22:43:28,830 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_end [2023-02-14 22:43:28,830 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure del_timer [2023-02-14 22:43:28,830 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_irqsave [2023-02-14 22:43:28,830 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_get_control [2023-02-14 22:43:28,831 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure request_region [2023-02-14 22:43:28,831 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-02-14 22:43:28,831 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdev_add [2023-02-14 22:43:28,831 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-02-14 22:43:28,832 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_set_control [2023-02-14 22:43:28,850 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 146 nodes and edges [2023-02-14 22:43:28,852 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2023-02-14 22:43:28,853 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-02-14 22:43:28,854 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-02-14 22:43:28,856 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-02-14 22:43:28,857 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-14 22:43:28,972 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-14 22:43:28,974 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-14 22:43:28,975 INFO L158 Benchmark]: Toolchain (without parser) took 3802.53ms. Allocated memory was 161.5MB in the beginning and 199.2MB in the end (delta: 37.7MB). Free memory was 122.9MB in the beginning and 77.9MB in the end (delta: 45.0MB). Peak memory consumption was 83.2MB. Max. memory is 16.1GB. [2023-02-14 22:43:28,976 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory was 53.4MB in the beginning and 53.3MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 22:43:28,976 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1422.99ms. Allocated memory was 161.5MB in the beginning and 199.2MB in the end (delta: 37.7MB). Free memory was 122.9MB in the beginning and 111.0MB in the end (delta: 11.9MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2023-02-14 22:43:28,976 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.17ms. Allocated memory is still 199.2MB. Free memory was 111.0MB in the beginning and 101.5MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-14 22:43:28,977 INFO L158 Benchmark]: Boogie Preprocessor took 87.27ms. Allocated memory is still 199.2MB. Free memory was 101.5MB in the beginning and 94.2MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-02-14 22:43:28,977 INFO L158 Benchmark]: RCFGBuilder took 1986.35ms. Allocated memory is still 199.2MB. Free memory was 94.2MB in the beginning and 97.8MB in the end (delta: -3.6MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2023-02-14 22:43:28,977 INFO L158 Benchmark]: TraceAbstraction took 22.45ms. Allocated memory is still 199.2MB. Free memory was 97.8MB in the beginning and 95.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-14 22:43:28,978 INFO L158 Benchmark]: Witness Printer took 155.48ms. Allocated memory is still 199.2MB. Free memory was 95.7MB in the beginning and 77.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-02-14 22:43:28,979 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory was 53.4MB in the beginning and 53.3MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1422.99ms. Allocated memory was 161.5MB in the beginning and 199.2MB in the end (delta: 37.7MB). Free memory was 122.9MB in the beginning and 111.0MB in the end (delta: 11.9MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.17ms. Allocated memory is still 199.2MB. Free memory was 111.0MB in the beginning and 101.5MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.27ms. Allocated memory is still 199.2MB. Free memory was 101.5MB in the beginning and 94.2MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1986.35ms. Allocated memory is still 199.2MB. Free memory was 94.2MB in the beginning and 97.8MB in the end (delta: -3.6MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. * TraceAbstraction took 22.45ms. Allocated memory is still 199.2MB. Free memory was 97.8MB in the beginning and 95.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 155.48ms. Allocated memory is still 199.2MB. Free memory was 95.7MB in the beginning and 77.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. 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! [2023-02-14 22:43:28,998 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE