./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 b5317dae 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-?-b5317da-m [2023-02-16 00:53:48,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-16 00:53:48,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-16 00:53:48,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-16 00:53:48,392 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-16 00:53:48,397 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-16 00:53:48,399 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-16 00:53:48,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-16 00:53:48,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-16 00:53:48,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-16 00:53:48,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-16 00:53:48,405 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-16 00:53:48,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-16 00:53:48,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-16 00:53:48,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-16 00:53:48,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-16 00:53:48,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-16 00:53:48,415 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-16 00:53:48,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-16 00:53:48,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-16 00:53:48,422 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-16 00:53:48,423 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-16 00:53:48,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-16 00:53:48,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-16 00:53:48,431 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-16 00:53:48,433 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-16 00:53:48,433 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-16 00:53:48,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-16 00:53:48,435 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-16 00:53:48,436 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-16 00:53:48,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-16 00:53:48,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-16 00:53:48,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-16 00:53:48,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-16 00:53:48,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-16 00:53:48,440 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-16 00:53:48,441 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-16 00:53:48,441 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-16 00:53:48,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-16 00:53:48,442 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-16 00:53:48,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-16 00:53:48,444 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-16 00:53:48,473 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-16 00:53:48,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-16 00:53:48,474 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-16 00:53:48,474 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-16 00:53:48,484 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-16 00:53:48,484 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-16 00:53:48,485 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-16 00:53:48,485 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-16 00:53:48,485 INFO L138 SettingsManager]: * Use SBE=true [2023-02-16 00:53:48,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-16 00:53:48,486 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-16 00:53:48,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-16 00:53:48,486 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-16 00:53:48,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-16 00:53:48,487 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-16 00:53:48,487 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-16 00:53:48,487 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-16 00:53:48,487 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-16 00:53:48,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-16 00:53:48,488 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-16 00:53:48,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-16 00:53:48,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-16 00:53:48,488 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-16 00:53:48,488 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-16 00:53:48,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-16 00:53:48,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-16 00:53:48,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-16 00:53:48,489 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-16 00:53:48,490 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-16 00:53:48,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-16 00:53:48,491 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-16 00:53:48,491 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-16 00:53:48,491 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-16 00:53:48,491 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-16 00:53:48,491 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-16 00:53:48,492 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4aba0d481dbad425b1cb3ce4949768f5bfa91a070fed6a0c2b192c70ad920fc2 [2023-02-16 00:53:48,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-16 00:53:48,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-16 00:53:48,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-16 00:53:48,765 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-16 00:53:48,765 INFO L275 PluginConnector]: CDTParser initialized [2023-02-16 00:53:48,766 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i [2023-02-16 00:53:49,872 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-16 00:53:50,224 INFO L351 CDTParser]: Found 1 translation units. [2023-02-16 00:53:50,228 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i [2023-02-16 00:53:50,257 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86bf64857/b47ff586c6be402597b599d023b5a758/FLAG8e66a90b1 [2023-02-16 00:53:50,273 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86bf64857/b47ff586c6be402597b599d023b5a758 [2023-02-16 00:53:50,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-16 00:53:50,277 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-16 00:53:50,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-16 00:53:50,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-16 00:53:50,282 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-16 00:53:50,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 12:53:50" (1/1) ... [2023-02-16 00:53:50,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fd3d217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:50, skipping insertion in model container [2023-02-16 00:53:50,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 12:53:50" (1/1) ... [2023-02-16 00:53:50,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-16 00:53:50,359 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-16 00:53:50,506 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] [2023-02-16 00:53:51,258 WARN L623 FunctionHandler]: Unknown extern function misc_register [2023-02-16 00:53:51,261 WARN L623 FunctionHandler]: Unknown extern function register_reboot_notifier [2023-02-16 00:53:51,277 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-16 00:53:51,280 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-16 00:53:51,281 WARN L623 FunctionHandler]: Unknown extern function unregister_reboot_notifier [2023-02-16 00:53:51,490 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_sector_t [2023-02-16 00:53:51,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 00:53:51,688 INFO L203 MainTranslator]: Completed pre-run [2023-02-16 00:53:51,698 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] [2023-02-16 00:53:51,749 WARN L623 FunctionHandler]: Unknown extern function misc_register [2023-02-16 00:53:51,754 WARN L623 FunctionHandler]: Unknown extern function register_reboot_notifier [2023-02-16 00:53:51,755 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-16 00:53:51,756 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-16 00:53:51,756 WARN L623 FunctionHandler]: Unknown extern function unregister_reboot_notifier [2023-02-16 00:53:51,778 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_sector_t [2023-02-16 00:53:51,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 00:53:51,979 INFO L208 MainTranslator]: Completed translation [2023-02-16 00:53:51,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:51 WrapperNode [2023-02-16 00:53:51,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-16 00:53:51,981 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-16 00:53:51,982 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-16 00:53:51,982 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-16 00:53:51,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:51" (1/1) ... [2023-02-16 00:53:52,053 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:51" (1/1) ... [2023-02-16 00:53:52,131 INFO L138 Inliner]: procedures = 474, calls = 840, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 1009 [2023-02-16 00:53:52,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-16 00:53:52,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-16 00:53:52,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-16 00:53:52,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-16 00:53:52,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:51" (1/1) ... [2023-02-16 00:53:52,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:51" (1/1) ... [2023-02-16 00:53:52,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:51" (1/1) ... [2023-02-16 00:53:52,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:51" (1/1) ... [2023-02-16 00:53:52,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:51" (1/1) ... [2023-02-16 00:53:52,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:51" (1/1) ... [2023-02-16 00:53:52,230 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:51" (1/1) ... [2023-02-16 00:53:52,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:51" (1/1) ... [2023-02-16 00:53:52,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-16 00:53:52,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-16 00:53:52,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-16 00:53:52,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-16 00:53:52,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:51" (1/1) ... [2023-02-16 00:53:52,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-16 00:53:52,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 00:53:52,290 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) [2023-02-16 00:53:52,344 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 [2023-02-16 00:53:52,373 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2023-02-16 00:53:52,373 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2023-02-16 00:53:52,374 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-02-16 00:53:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2023-02-16 00:53:52,374 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-02-16 00:53:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-02-16 00:53:52,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-02-16 00:53:52,374 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-02-16 00:53:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-02-16 00:53:52,375 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-02-16 00:53:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2023-02-16 00:53:52,375 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2023-02-16 00:53:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2023-02-16 00:53:52,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-02-16 00:53:52,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-02-16 00:53:52,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-02-16 00:53:52,376 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2023-02-16 00:53:52,376 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2023-02-16 00:53:52,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-16 00:53:52,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-02-16 00:53:52,377 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-02-16 00:53:52,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-02-16 00:53:52,378 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2023-02-16 00:53:52,378 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2023-02-16 00:53:52,378 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-02-16 00:53:52,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-02-16 00:53:52,378 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2023-02-16 00:53:52,378 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2023-02-16 00:53:52,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-16 00:53:52,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-16 00:53:52,379 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2023-02-16 00:53:52,379 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2023-02-16 00:53:52,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-02-16 00:53:52,379 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-02-16 00:53:52,379 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-02-16 00:53:52,380 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-02-16 00:53:52,380 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-02-16 00:53:52,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-02-16 00:53:52,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-02-16 00:53:52,380 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-02-16 00:53:52,381 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-02-16 00:53:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2023-02-16 00:53:52,381 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2023-02-16 00:53:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-02-16 00:53:52,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-02-16 00:53:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-02-16 00:53:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-02-16 00:53:52,382 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-02-16 00:53:52,382 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-02-16 00:53:52,382 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-02-16 00:53:52,382 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-02-16 00:53:52,382 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-02-16 00:53:52,382 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2023-02-16 00:53:52,382 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2023-02-16 00:53:52,383 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2023-02-16 00:53:52,383 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2023-02-16 00:53:52,383 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2023-02-16 00:53:52,383 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2023-02-16 00:53:52,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-02-16 00:53:52,383 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2023-02-16 00:53:52,383 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2023-02-16 00:53:52,384 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2023-02-16 00:53:52,384 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2023-02-16 00:53:52,384 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-02-16 00:53:52,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-02-16 00:53:52,385 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-02-16 00:53:52,385 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-02-16 00:53:52,385 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-02-16 00:53:52,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-02-16 00:53:52,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-16 00:53:52,749 INFO L235 CfgBuilder]: Building ICFG [2023-02-16 00:53:52,752 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-16 00:53:54,159 INFO L276 CfgBuilder]: Performing block encoding [2023-02-16 00:53:54,166 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-16 00:53:54,166 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2023-02-16 00:53:54,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 12:53:54 BoogieIcfgContainer [2023-02-16 00:53:54,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-16 00:53:54,170 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-16 00:53:54,170 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-16 00:53:54,173 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-16 00:53:54,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 12:53:50" (1/3) ... [2023-02-16 00:53:54,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9b8e03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 12:53:54, skipping insertion in model container [2023-02-16 00:53:54,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:51" (2/3) ... [2023-02-16 00:53:54,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9b8e03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 12:53:54, skipping insertion in model container [2023-02-16 00:53:54,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 12:53:54" (3/3) ... [2023-02-16 00:53:54,175 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_pthread_mutex_unlock.i [2023-02-16 00:53:54,189 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-16 00:53:54,190 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-02-16 00:53:54,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9b8e03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 12:53:54, skipping insertion in model container [2023-02-16 00:53:54,192 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-16 00:53:54,193 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-16 00:53:54,193 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-16 00:53:54,193 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-16 00:53:54,194 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 12:53:54" (3/3) ... [2023-02-16 00:53:54,196 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-16 00:53:54,201 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_init [2023-02-16 00:53:54,201 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2023-02-16 00:53:54,201 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure misc_deregister [2023-02-16 00:53:54,201 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_ping [2023-02-16 00:53:54,201 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_context_process [2023-02-16 00:53:54,202 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_readw [2023-02-16 00:53:54,202 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2023-02-16 00:53:54,218 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_timer_off [2023-02-16 00:53:54,219 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock [2023-02-16 00:53:54,219 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-02-16 00:53:54,219 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2023-02-16 00:53:54,220 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outw [2023-02-16 00:53:54,220 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2023-02-16 00:53:54,221 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure add_timer [2023-02-16 00:53:54,221 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2023-02-16 00:53:54,221 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-02-16 00:53:54,226 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure release_region [2023-02-16 00:53:54,226 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_begin [2023-02-16 00:53:54,226 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2023-02-16 00:53:54,226 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_end [2023-02-16 00:53:54,226 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure del_timer [2023-02-16 00:53:54,226 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_irqsave [2023-02-16 00:53:54,227 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_get_control [2023-02-16 00:53:54,227 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure request_region [2023-02-16 00:53:54,227 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-02-16 00:53:54,228 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdev_add [2023-02-16 00:53:54,228 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-02-16 00:53:54,228 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_set_control [2023-02-16 00:53:54,250 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 146 nodes and edges [2023-02-16 00:53:54,252 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2023-02-16 00:53:54,253 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-02-16 00:53:54,255 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-02-16 00:53:54,256 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-02-16 00:53:54,257 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-16 00:53:54,394 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-16 00:53:54,394 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-16 00:53:54,395 INFO L158 Benchmark]: Toolchain (without parser) took 4118.14ms. Allocated memory was 115.3MB in the beginning and 209.7MB in the end (delta: 94.4MB). Free memory was 65.7MB in the beginning and 144.0MB in the end (delta: -78.3MB). Peak memory consumption was 108.3MB. Max. memory is 16.1GB. [2023-02-16 00:53:54,395 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 115.3MB. Free memory was 85.8MB in the beginning and 85.6MB in the end (delta: 188.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-16 00:53:54,396 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1701.84ms. Allocated memory was 115.3MB in the beginning and 159.4MB in the end (delta: 44.0MB). Free memory was 65.2MB in the beginning and 109.5MB in the end (delta: -44.2MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. [2023-02-16 00:53:54,396 INFO L158 Benchmark]: Boogie Procedure Inliner took 150.99ms. Allocated memory is still 159.4MB. Free memory was 109.5MB in the beginning and 101.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-16 00:53:54,396 INFO L158 Benchmark]: Boogie Preprocessor took 122.45ms. Allocated memory is still 159.4MB. Free memory was 101.1MB in the beginning and 92.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-16 00:53:54,397 INFO L158 Benchmark]: RCFGBuilder took 1912.68ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 92.7MB in the beginning and 60.8MB in the end (delta: 31.9MB). Peak memory consumption was 89.6MB. Max. memory is 16.1GB. [2023-02-16 00:53:54,397 INFO L158 Benchmark]: TraceAbstraction took 22.23ms. Allocated memory is still 209.7MB. Free memory was 59.7MB in the beginning and 57.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-16 00:53:54,397 INFO L158 Benchmark]: Witness Printer took 201.07ms. Allocated memory is still 209.7MB. Free memory was 57.6MB in the beginning and 144.0MB in the end (delta: -86.4MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2023-02-16 00:53:54,399 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 115.3MB. Free memory was 85.8MB in the beginning and 85.6MB in the end (delta: 188.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1701.84ms. Allocated memory was 115.3MB in the beginning and 159.4MB in the end (delta: 44.0MB). Free memory was 65.2MB in the beginning and 109.5MB in the end (delta: -44.2MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 150.99ms. Allocated memory is still 159.4MB. Free memory was 109.5MB in the beginning and 101.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 122.45ms. Allocated memory is still 159.4MB. Free memory was 101.1MB in the beginning and 92.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1912.68ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 92.7MB in the beginning and 60.8MB in the end (delta: 31.9MB). Peak memory consumption was 89.6MB. Max. memory is 16.1GB. * TraceAbstraction took 22.23ms. Allocated memory is still 209.7MB. Free memory was 59.7MB in the beginning and 57.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 201.07ms. Allocated memory is still 209.7MB. Free memory was 57.6MB in the beginning and 144.0MB in the end (delta: -86.4MB). Peak memory consumption was 3.8MB. 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! [2023-02-16 00:53:54,424 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