./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 574ddb4e 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-?-574ddb4 [2023-02-17 05:58:45,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-17 05:58:45,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-17 05:58:45,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-17 05:58:45,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-17 05:58:45,688 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-17 05:58:45,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-17 05:58:45,691 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-17 05:58:45,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-17 05:58:45,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-17 05:58:45,695 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-17 05:58:45,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-17 05:58:45,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-17 05:58:45,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-17 05:58:45,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-17 05:58:45,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-17 05:58:45,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-17 05:58:45,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-17 05:58:45,705 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-17 05:58:45,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-17 05:58:45,711 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-17 05:58:45,712 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-17 05:58:45,713 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-17 05:58:45,713 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-17 05:58:45,719 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-17 05:58:45,719 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-17 05:58:45,720 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-17 05:58:45,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-17 05:58:45,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-17 05:58:45,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-17 05:58:45,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-17 05:58:45,724 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-17 05:58:45,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-17 05:58:45,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-17 05:58:45,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-17 05:58:45,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-17 05:58:45,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-17 05:58:45,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-17 05:58:45,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-17 05:58:45,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-17 05:58:45,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-17 05:58:45,731 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-17 05:58:45,749 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-17 05:58:45,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-17 05:58:45,750 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-17 05:58:45,750 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-17 05:58:45,750 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-17 05:58:45,751 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-17 05:58:45,752 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-17 05:58:45,752 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-17 05:58:45,752 INFO L138 SettingsManager]: * Use SBE=true [2023-02-17 05:58:45,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-17 05:58:45,753 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-17 05:58:45,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-17 05:58:45,753 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-17 05:58:45,753 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-17 05:58:45,753 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-17 05:58:45,753 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-17 05:58:45,754 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-17 05:58:45,754 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-17 05:58:45,754 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-17 05:58:45,754 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-17 05:58:45,754 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-17 05:58:45,754 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-17 05:58:45,754 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-17 05:58:45,755 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-17 05:58:45,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-17 05:58:45,755 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-17 05:58:45,755 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-17 05:58:45,755 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-17 05:58:45,755 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-17 05:58:45,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-17 05:58:45,756 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-17 05:58:45,756 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-17 05:58:45,756 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-17 05:58:45,756 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-17 05:58:45,756 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-17 05:58:45,756 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4aba0d481dbad425b1cb3ce4949768f5bfa91a070fed6a0c2b192c70ad920fc2 [2023-02-17 05:58:45,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-17 05:58:45,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-17 05:58:45,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-17 05:58:45,969 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-17 05:58:45,969 INFO L275 PluginConnector]: CDTParser initialized [2023-02-17 05:58:45,970 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i [2023-02-17 05:58:46,939 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-17 05:58:47,233 INFO L351 CDTParser]: Found 1 translation units. [2023-02-17 05:58:47,234 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i [2023-02-17 05:58:47,251 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47848bbb8/e4cae47d7bb342848e5170283665e8da/FLAGa381ca539 [2023-02-17 05:58:47,537 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47848bbb8/e4cae47d7bb342848e5170283665e8da [2023-02-17 05:58:47,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-17 05:58:47,540 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-17 05:58:47,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-17 05:58:47,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-17 05:58:47,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-17 05:58:47,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 05:58:47" (1/1) ... [2023-02-17 05:58:47,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b7c6df0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 05:58:47, skipping insertion in model container [2023-02-17 05:58:47,546 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 05:58:47" (1/1) ... [2023-02-17 05:58:47,561 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-17 05:58:47,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-17 05:58:47,915 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] [2023-02-17 05:58:48,553 WARN L623 FunctionHandler]: Unknown extern function misc_register [2023-02-17 05:58:48,556 WARN L623 FunctionHandler]: Unknown extern function register_reboot_notifier [2023-02-17 05:58:48,560 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-17 05:58:48,563 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-17 05:58:48,564 WARN L623 FunctionHandler]: Unknown extern function unregister_reboot_notifier [2023-02-17 05:58:48,712 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_sector_t [2023-02-17 05:58:48,852 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 05:58:48,887 INFO L203 MainTranslator]: Completed pre-run [2023-02-17 05:58:48,895 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] [2023-02-17 05:58:48,945 WARN L623 FunctionHandler]: Unknown extern function misc_register [2023-02-17 05:58:48,953 WARN L623 FunctionHandler]: Unknown extern function register_reboot_notifier [2023-02-17 05:58:48,954 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-17 05:58:48,956 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-17 05:58:48,956 WARN L623 FunctionHandler]: Unknown extern function unregister_reboot_notifier [2023-02-17 05:58:48,966 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_sector_t [2023-02-17 05:58:49,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 05:58:49,089 INFO L208 MainTranslator]: Completed translation [2023-02-17 05:58:49,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 05:58:49 WrapperNode [2023-02-17 05:58:49,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-17 05:58:49,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-17 05:58:49,092 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-17 05:58:49,092 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-17 05:58:49,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 05:58:49" (1/1) ... [2023-02-17 05:58:49,135 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 05:58:49" (1/1) ... [2023-02-17 05:58:49,228 INFO L138 Inliner]: procedures = 474, calls = 840, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 1009 [2023-02-17 05:58:49,228 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-17 05:58:49,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-17 05:58:49,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-17 05:58:49,229 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-17 05:58:49,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 05:58:49" (1/1) ... [2023-02-17 05:58:49,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 05:58:49" (1/1) ... [2023-02-17 05:58:49,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 05:58:49" (1/1) ... [2023-02-17 05:58:49,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 05:58:49" (1/1) ... [2023-02-17 05:58:49,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 05:58:49" (1/1) ... [2023-02-17 05:58:49,264 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 05:58:49" (1/1) ... [2023-02-17 05:58:49,270 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 05:58:49" (1/1) ... [2023-02-17 05:58:49,274 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 05:58:49" (1/1) ... [2023-02-17 05:58:49,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-17 05:58:49,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-17 05:58:49,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-17 05:58:49,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-17 05:58:49,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 05:58:49" (1/1) ... [2023-02-17 05:58:49,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-17 05:58:49,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 05:58:49,342 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) [2023-02-17 05:58:49,379 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 [2023-02-17 05:58:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2023-02-17 05:58:49,403 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2023-02-17 05:58:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-02-17 05:58:49,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2023-02-17 05:58:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-02-17 05:58:49,403 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-02-17 05:58:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-02-17 05:58:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-02-17 05:58:49,404 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-02-17 05:58:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-02-17 05:58:49,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2023-02-17 05:58:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2023-02-17 05:58:49,404 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2023-02-17 05:58:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-02-17 05:58:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-02-17 05:58:49,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-02-17 05:58:49,405 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2023-02-17 05:58:49,405 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2023-02-17 05:58:49,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-17 05:58:49,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-02-17 05:58:49,406 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-02-17 05:58:49,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-02-17 05:58:49,407 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2023-02-17 05:58:49,407 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2023-02-17 05:58:49,407 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-02-17 05:58:49,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-02-17 05:58:49,407 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2023-02-17 05:58:49,407 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2023-02-17 05:58:49,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-17 05:58:49,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-17 05:58:49,408 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2023-02-17 05:58:49,408 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2023-02-17 05:58:49,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-02-17 05:58:49,408 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-02-17 05:58:49,408 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-02-17 05:58:49,408 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-02-17 05:58:49,408 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-02-17 05:58:49,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-02-17 05:58:49,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-02-17 05:58:49,409 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-02-17 05:58:49,409 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-02-17 05:58:49,409 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2023-02-17 05:58:49,409 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2023-02-17 05:58:49,410 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-02-17 05:58:49,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-02-17 05:58:49,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-02-17 05:58:49,410 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-02-17 05:58:49,410 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-02-17 05:58:49,411 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-02-17 05:58:49,411 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-02-17 05:58:49,411 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-02-17 05:58:49,411 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-02-17 05:58:49,411 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2023-02-17 05:58:49,411 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2023-02-17 05:58:49,411 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2023-02-17 05:58:49,411 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2023-02-17 05:58:49,411 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2023-02-17 05:58:49,411 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2023-02-17 05:58:49,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-02-17 05:58:49,412 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2023-02-17 05:58:49,412 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2023-02-17 05:58:49,412 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2023-02-17 05:58:49,412 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2023-02-17 05:58:49,412 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-02-17 05:58:49,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-02-17 05:58:49,412 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-02-17 05:58:49,413 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-02-17 05:58:49,413 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-02-17 05:58:49,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-02-17 05:58:49,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-17 05:58:49,722 INFO L235 CfgBuilder]: Building ICFG [2023-02-17 05:58:49,723 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-17 05:58:50,919 INFO L276 CfgBuilder]: Performing block encoding [2023-02-17 05:58:50,936 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-17 05:58:50,936 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2023-02-17 05:58:50,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 05:58:50 BoogieIcfgContainer [2023-02-17 05:58:50,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-17 05:58:50,939 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-17 05:58:50,939 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-17 05:58:50,941 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-17 05:58:50,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.02 05:58:47" (1/3) ... [2023-02-17 05:58:50,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cb469e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 05:58:50, skipping insertion in model container [2023-02-17 05:58:50,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 05:58:49" (2/3) ... [2023-02-17 05:58:50,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cb469e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 05:58:50, skipping insertion in model container [2023-02-17 05:58:50,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 05:58:50" (3/3) ... [2023-02-17 05:58:50,943 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_pthread_mutex_unlock.i [2023-02-17 05:58:50,970 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-17 05:58:50,970 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-02-17 05:58:50,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cb469e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.02 05:58:50, skipping insertion in model container [2023-02-17 05:58:50,971 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-17 05:58:50,972 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-17 05:58:50,972 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-17 05:58:50,972 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-17 05:58:50,972 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 05:58:50" (3/3) ... [2023-02-17 05:58:50,974 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-17 05:58:50,978 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_init [2023-02-17 05:58:50,981 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2023-02-17 05:58:50,981 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure misc_deregister [2023-02-17 05:58:50,981 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_ping [2023-02-17 05:58:50,981 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_context_process [2023-02-17 05:58:50,982 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_readw [2023-02-17 05:58:50,982 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2023-02-17 05:58:50,982 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_timer_off [2023-02-17 05:58:50,982 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock [2023-02-17 05:58:50,982 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-02-17 05:58:50,982 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2023-02-17 05:58:50,982 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outw [2023-02-17 05:58:50,982 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2023-02-17 05:58:50,983 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure add_timer [2023-02-17 05:58:50,983 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2023-02-17 05:58:50,983 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-02-17 05:58:50,983 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure release_region [2023-02-17 05:58:50,983 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_begin [2023-02-17 05:58:50,983 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2023-02-17 05:58:50,983 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_end [2023-02-17 05:58:50,983 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure del_timer [2023-02-17 05:58:50,983 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_irqsave [2023-02-17 05:58:50,984 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_get_control [2023-02-17 05:58:50,984 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure request_region [2023-02-17 05:58:50,985 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-02-17 05:58:50,985 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdev_add [2023-02-17 05:58:50,985 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-02-17 05:58:50,985 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_set_control [2023-02-17 05:58:51,010 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 146 nodes and edges [2023-02-17 05:58:51,012 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2023-02-17 05:58:51,013 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-02-17 05:58:51,014 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-02-17 05:58:51,030 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-02-17 05:58:51,031 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-17 05:58:51,140 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-17 05:58:51,140 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-17 05:58:51,141 INFO L158 Benchmark]: Toolchain (without parser) took 3600.75ms. Allocated memory was 161.5MB in the beginning and 220.2MB in the end (delta: 58.7MB). Free memory was 120.0MB in the beginning and 145.8MB in the end (delta: -25.8MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2023-02-17 05:58:51,142 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 121.6MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-17 05:58:51,142 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1549.50ms. Allocated memory is still 161.5MB. Free memory was 119.8MB in the beginning and 68.3MB in the end (delta: 51.5MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. [2023-02-17 05:58:51,142 INFO L158 Benchmark]: Boogie Procedure Inliner took 137.21ms. Allocated memory is still 161.5MB. Free memory was 68.3MB in the beginning and 115.1MB in the end (delta: -46.9MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2023-02-17 05:58:51,142 INFO L158 Benchmark]: Boogie Preprocessor took 66.37ms. Allocated memory is still 161.5MB. Free memory was 115.1MB in the beginning and 107.8MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-02-17 05:58:51,143 INFO L158 Benchmark]: RCFGBuilder took 1639.58ms. Allocated memory was 161.5MB in the beginning and 220.2MB in the end (delta: 58.7MB). Free memory was 107.8MB in the beginning and 165.7MB in the end (delta: -57.9MB). Peak memory consumption was 117.2MB. Max. memory is 16.1GB. [2023-02-17 05:58:51,143 INFO L158 Benchmark]: TraceAbstraction took 32.08ms. Allocated memory is still 220.2MB. Free memory was 165.7MB in the beginning and 163.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-17 05:58:51,143 INFO L158 Benchmark]: Witness Printer took 168.68ms. Allocated memory is still 220.2MB. Free memory was 163.6MB in the beginning and 145.8MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-02-17 05:58:51,144 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 121.6MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1549.50ms. Allocated memory is still 161.5MB. Free memory was 119.8MB in the beginning and 68.3MB in the end (delta: 51.5MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 137.21ms. Allocated memory is still 161.5MB. Free memory was 68.3MB in the beginning and 115.1MB in the end (delta: -46.9MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.37ms. Allocated memory is still 161.5MB. Free memory was 115.1MB in the beginning and 107.8MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1639.58ms. Allocated memory was 161.5MB in the beginning and 220.2MB in the end (delta: 58.7MB). Free memory was 107.8MB in the beginning and 165.7MB in the end (delta: -57.9MB). Peak memory consumption was 117.2MB. Max. memory is 16.1GB. * TraceAbstraction took 32.08ms. Allocated memory is still 220.2MB. Free memory was 165.7MB in the beginning and 163.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 168.68ms. Allocated memory is still 220.2MB. Free memory was 163.6MB in the beginning and 145.8MB 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! [2023-02-17 05:58:51,157 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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