./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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-dev-03d7b7b [2022-02-20 16:50:43,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 16:50:43,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 16:50:43,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 16:50:43,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 16:50:43,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 16:50:43,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 16:50:43,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 16:50:43,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 16:50:43,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 16:50:43,448 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 16:50:43,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 16:50:43,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 16:50:43,453 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 16:50:43,454 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 16:50:43,458 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 16:50:43,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 16:50:43,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 16:50:43,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 16:50:43,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 16:50:43,465 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 16:50:43,466 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 16:50:43,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 16:50:43,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 16:50:43,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 16:50:43,475 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 16:50:43,475 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 16:50:43,476 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 16:50:43,476 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 16:50:43,477 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 16:50:43,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 16:50:43,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 16:50:43,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 16:50:43,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 16:50:43,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 16:50:43,481 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 16:50:43,482 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 16:50:43,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 16:50:43,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 16:50:43,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 16:50:43,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 16:50:43,484 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 16:50:43,509 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 16:50:43,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 16:50:43,510 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 16:50:43,510 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 16:50:43,511 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 16:50:43,511 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 16:50:43,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 16:50:43,512 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 16:50:43,512 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 16:50:43,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 16:50:43,513 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 16:50:43,513 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 16:50:43,513 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 16:50:43,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 16:50:43,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 16:50:43,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 16:50:43,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 16:50:43,514 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 16:50:43,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 16:50:43,514 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 16:50:43,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 16:50:43,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 16:50:43,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 16:50:43,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 16:50:43,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:50:43,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 16:50:43,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 16:50:43,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 16:50:43,515 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 16:50:43,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 16:50:43,515 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 16:50:43,516 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 16:50:43,516 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 16:50:43,516 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4aba0d481dbad425b1cb3ce4949768f5bfa91a070fed6a0c2b192c70ad920fc2 [2022-02-20 16:50:43,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 16:50:43,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 16:50:43,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 16:50:43,745 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 16:50:43,746 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 16:50:43,747 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i [2022-02-20 16:50:43,822 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a40faeb37/db38d06aa0fc4d338b9d9b7174e30ce1/FLAG58d16972e [2022-02-20 16:50:44,347 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 16:50:44,348 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i [2022-02-20 16:50:44,374 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a40faeb37/db38d06aa0fc4d338b9d9b7174e30ce1/FLAG58d16972e [2022-02-20 16:50:44,587 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a40faeb37/db38d06aa0fc4d338b9d9b7174e30ce1 [2022-02-20 16:50:44,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 16:50:44,589 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 16:50:44,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 16:50:44,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 16:50:44,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 16:50:44,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:50:44" (1/1) ... [2022-02-20 16:50:44,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51f8768e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:44, skipping insertion in model container [2022-02-20 16:50:44,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:50:44" (1/1) ... [2022-02-20 16:50:44,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 16:50:44,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 16:50:44,777 WARN L230 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] [2022-02-20 16:50:45,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:50:45,505 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 16:50:45,520 WARN L230 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] [2022-02-20 16:50:45,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:50:45,748 INFO L208 MainTranslator]: Completed translation [2022-02-20 16:50:45,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:45 WrapperNode [2022-02-20 16:50:45,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 16:50:45,749 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 16:50:45,749 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 16:50:45,749 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 16:50:45,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:45" (1/1) ... [2022-02-20 16:50:45,795 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:45" (1/1) ... [2022-02-20 16:50:45,873 INFO L137 Inliner]: procedures = 474, calls = 840, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 1013 [2022-02-20 16:50:45,875 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 16:50:45,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 16:50:45,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 16:50:45,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 16:50:45,891 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:45" (1/1) ... [2022-02-20 16:50:45,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:45" (1/1) ... [2022-02-20 16:50:45,899 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:45" (1/1) ... [2022-02-20 16:50:45,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:45" (1/1) ... [2022-02-20 16:50:45,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:45" (1/1) ... [2022-02-20 16:50:45,952 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:45" (1/1) ... [2022-02-20 16:50:45,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:45" (1/1) ... [2022-02-20 16:50:45,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 16:50:45,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 16:50:45,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 16:50:45,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 16:50:45,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:45" (1/1) ... [2022-02-20 16:50:45,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:50:45,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:50:46,002 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) [2022-02-20 16:50:46,005 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 [2022-02-20 16:50:46,037 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2022-02-20 16:50:46,037 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2022-02-20 16:50:46,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-20 16:50:46,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2022-02-20 16:50:46,038 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-02-20 16:50:46,038 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-02-20 16:50:46,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 16:50:46,038 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-02-20 16:50:46,038 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-02-20 16:50:46,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-20 16:50:46,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2022-02-20 16:50:46,039 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2022-02-20 16:50:46,040 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2022-02-20 16:50:46,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-02-20 16:50:46,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-20 16:50:46,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-20 16:50:46,040 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2022-02-20 16:50:46,040 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2022-02-20 16:50:46,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 16:50:46,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-20 16:50:46,041 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-02-20 16:50:46,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-02-20 16:50:46,041 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2022-02-20 16:50:46,041 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2022-02-20 16:50:46,041 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-02-20 16:50:46,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-02-20 16:50:46,041 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2022-02-20 16:50:46,041 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2022-02-20 16:50:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 16:50:46,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 16:50:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2022-02-20 16:50:46,042 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2022-02-20 16:50:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-02-20 16:50:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-02-20 16:50:46,042 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-02-20 16:50:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-02-20 16:50:46,043 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-02-20 16:50:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 16:50:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-20 16:50:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-02-20 16:50:46,043 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-02-20 16:50:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-02-20 16:50:46,044 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-02-20 16:50:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-02-20 16:50:46,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-02-20 16:50:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-02-20 16:50:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2022-02-20 16:50:46,044 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2022-02-20 16:50:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-02-20 16:50:46,044 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-02-20 16:50:46,045 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-02-20 16:50:46,045 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-02-20 16:50:46,045 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-02-20 16:50:46,045 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-02-20 16:50:46,046 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2022-02-20 16:50:46,046 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2022-02-20 16:50:46,046 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2022-02-20 16:50:46,047 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2022-02-20 16:50:46,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 16:50:46,047 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2022-02-20 16:50:46,047 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2022-02-20 16:50:46,047 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2022-02-20 16:50:46,048 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2022-02-20 16:50:46,048 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-02-20 16:50:46,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-02-20 16:50:46,048 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-02-20 16:50:46,048 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-02-20 16:50:46,048 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-02-20 16:50:46,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-02-20 16:50:46,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 16:50:46,314 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 16:50:46,316 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 16:50:48,260 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 16:50:48,268 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 16:50:48,269 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-02-20 16:50:48,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:50:48 BoogieIcfgContainer [2022-02-20 16:50:48,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 16:50:48,271 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 16:50:48,271 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 16:50:48,274 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 16:50:48,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 04:50:44" (1/3) ... [2022-02-20 16:50:48,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec6f08d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:50:48, skipping insertion in model container [2022-02-20 16:50:48,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:45" (2/3) ... [2022-02-20 16:50:48,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec6f08d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:50:48, skipping insertion in model container [2022-02-20 16:50:48,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:50:48" (3/3) ... [2022-02-20 16:50:48,276 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_pthread_mutex_unlock.i [2022-02-20 16:50:48,279 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 16:50:48,279 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-02-20 16:50:48,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec6f08d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 04:50:48, skipping insertion in model container [2022-02-20 16:50:48,280 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 16:50:48,281 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-20 16:50:48,281 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-20 16:50:48,281 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-20 16:50:48,281 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:50:48" (3/3) ... [2022-02-20 16:50:48,283 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-02-20 16:50:48,287 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_init [2022-02-20 16:50:48,287 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2022-02-20 16:50:48,287 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure misc_deregister [2022-02-20 16:50:48,287 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_ping [2022-02-20 16:50:48,287 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_context_process [2022-02-20 16:50:48,287 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_readw [2022-02-20 16:50:48,287 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2022-02-20 16:50:48,287 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_timer_off [2022-02-20 16:50:48,287 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock [2022-02-20 16:50:48,287 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-02-20 16:50:48,287 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-02-20 16:50:48,287 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure outw [2022-02-20 16:50:48,287 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2022-02-20 16:50:48,287 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure add_timer [2022-02-20 16:50:48,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2022-02-20 16:50:48,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-02-20 16:50:48,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure release_region [2022-02-20 16:50:48,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_begin [2022-02-20 16:50:48,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2022-02-20 16:50:48,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_end [2022-02-20 16:50:48,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure del_timer [2022-02-20 16:50:48,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_irqsave [2022-02-20 16:50:48,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_get_control [2022-02-20 16:50:48,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure request_region [2022-02-20 16:50:48,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-02-20 16:50:48,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cdev_add [2022-02-20 16:50:48,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-02-20 16:50:48,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_set_control [2022-02-20 16:50:48,300 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 146 nodes and edges [2022-02-20 16:50:48,301 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2022-02-20 16:50:48,302 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-02-20 16:50:48,303 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-02-20 16:50:48,316 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-02-20 16:50:48,317 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-20 16:50:48,446 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-20 16:50:48,459 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-20 16:50:48,461 INFO L158 Benchmark]: Toolchain (without parser) took 3871.03ms. Allocated memory was 86.0MB in the beginning and 163.6MB in the end (delta: 77.6MB). Free memory was 64.1MB in the beginning and 81.2MB in the end (delta: -17.1MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. [2022-02-20 16:50:48,461 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 86.0MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 16:50:48,462 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1158.46ms. Allocated memory was 86.0MB in the beginning and 109.1MB in the end (delta: 23.1MB). Free memory was 63.8MB in the beginning and 65.2MB in the end (delta: -1.4MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. [2022-02-20 16:50:48,462 INFO L158 Benchmark]: Boogie Procedure Inliner took 126.20ms. Allocated memory is still 109.1MB. Free memory was 64.7MB in the beginning and 52.6MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-20 16:50:48,462 INFO L158 Benchmark]: Boogie Preprocessor took 102.55ms. Allocated memory is still 109.1MB. Free memory was 52.6MB in the beginning and 70.7MB in the end (delta: -18.1MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2022-02-20 16:50:48,462 INFO L158 Benchmark]: RCFGBuilder took 2291.35ms. Allocated memory was 109.1MB in the beginning and 163.6MB in the end (delta: 54.5MB). Free memory was 70.2MB in the beginning and 100.1MB in the end (delta: -29.9MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2022-02-20 16:50:48,463 INFO L158 Benchmark]: TraceAbstraction took 9.11ms. Allocated memory is still 163.6MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 16:50:48,463 INFO L158 Benchmark]: Witness Printer took 178.58ms. Allocated memory is still 163.6MB. Free memory was 98.0MB in the beginning and 81.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-02-20 16:50:48,464 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 86.0MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1158.46ms. Allocated memory was 86.0MB in the beginning and 109.1MB in the end (delta: 23.1MB). Free memory was 63.8MB in the beginning and 65.2MB in the end (delta: -1.4MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 126.20ms. Allocated memory is still 109.1MB. Free memory was 64.7MB in the beginning and 52.6MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 102.55ms. Allocated memory is still 109.1MB. Free memory was 52.6MB in the beginning and 70.7MB in the end (delta: -18.1MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2291.35ms. Allocated memory was 109.1MB in the beginning and 163.6MB in the end (delta: 54.5MB). Free memory was 70.2MB in the beginning and 100.1MB in the end (delta: -29.9MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. * TraceAbstraction took 9.11ms. Allocated memory is still 163.6MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 178.58ms. Allocated memory is still 163.6MB. Free memory was 98.0MB in the beginning and 81.2MB in the end (delta: 16.8MB). 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 specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-02-20 16:50:48,491 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