./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 ff03de63 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-dev-ff03de6 [2021-12-21 12:06:57,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 12:06:57,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 12:06:57,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 12:06:57,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 12:06:57,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 12:06:57,761 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 12:06:57,764 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 12:06:57,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 12:06:57,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 12:06:57,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 12:06:57,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 12:06:57,767 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 12:06:57,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 12:06:57,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 12:06:57,770 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 12:06:57,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 12:06:57,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 12:06:57,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 12:06:57,780 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 12:06:57,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 12:06:57,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 12:06:57,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 12:06:57,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 12:06:57,788 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 12:06:57,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 12:06:57,791 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 12:06:57,792 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 12:06:57,792 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 12:06:57,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 12:06:57,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 12:06:57,794 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 12:06:57,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 12:06:57,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 12:06:57,796 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 12:06:57,796 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 12:06:57,797 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 12:06:57,798 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 12:06:57,798 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 12:06:57,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 12:06:57,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 12:06:57,799 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 12:06:57,815 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 12:06:57,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 12:06:57,820 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 12:06:57,820 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 12:06:57,821 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 12:06:57,821 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 12:06:57,822 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 12:06:57,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 12:06:57,822 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 12:06:57,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 12:06:57,823 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 12:06:57,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 12:06:57,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 12:06:57,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 12:06:57,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 12:06:57,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 12:06:57,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 12:06:57,824 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 12:06:57,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 12:06:57,824 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 12:06:57,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 12:06:57,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 12:06:57,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 12:06:57,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 12:06:57,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 12:06:57,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 12:06:57,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 12:06:57,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 12:06:57,827 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 12:06:57,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 12:06:57,827 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 12:06:57,827 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 12:06:57,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 12:06:57,827 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 12:06:57,827 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4aba0d481dbad425b1cb3ce4949768f5bfa91a070fed6a0c2b192c70ad920fc2 [2021-12-21 12:06:57,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 12:06:58,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 12:06:58,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 12:06:58,012 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 12:06:58,012 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 12:06:58,013 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i [2021-12-21 12:06:58,063 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/523a37ba6/a122af3bd83941e088a4110f7e09d15a/FLAGe90ffb767 [2021-12-21 12:06:58,671 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 12:06:58,672 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_pthread_mutex_unlock.i [2021-12-21 12:06:58,701 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/523a37ba6/a122af3bd83941e088a4110f7e09d15a/FLAGe90ffb767 [2021-12-21 12:06:58,909 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/523a37ba6/a122af3bd83941e088a4110f7e09d15a [2021-12-21 12:06:58,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 12:06:58,913 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 12:06:58,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 12:06:58,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 12:06:58,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 12:06:58,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 12:06:58" (1/1) ... [2021-12-21 12:06:58,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bbd0292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:06:58, skipping insertion in model container [2021-12-21 12:06:58,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 12:06:58" (1/1) ... [2021-12-21 12:06:58,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 12:06:58,976 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 12:06:59,159 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] [2021-12-21 12:06:59,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 12:06:59,751 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 12:06:59,759 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] [2021-12-21 12:06:59,898 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 12:06:59,996 INFO L208 MainTranslator]: Completed translation [2021-12-21 12:06:59,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:06:59 WrapperNode [2021-12-21 12:06:59,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 12:06:59,997 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 12:06:59,998 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 12:06:59,998 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 12:07:00,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:06:59" (1/1) ... [2021-12-21 12:07:00,072 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:06:59" (1/1) ... [2021-12-21 12:07:00,144 INFO L137 Inliner]: procedures = 474, calls = 840, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 1013 [2021-12-21 12:07:00,144 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 12:07:00,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 12:07:00,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 12:07:00,145 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 12:07:00,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:06:59" (1/1) ... [2021-12-21 12:07:00,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:06:59" (1/1) ... [2021-12-21 12:07:00,167 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:06:59" (1/1) ... [2021-12-21 12:07:00,168 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:06:59" (1/1) ... [2021-12-21 12:07:00,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:06:59" (1/1) ... [2021-12-21 12:07:00,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:06:59" (1/1) ... [2021-12-21 12:07:00,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:06:59" (1/1) ... [2021-12-21 12:07:00,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 12:07:00,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 12:07:00,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 12:07:00,245 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 12:07:00,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:06:59" (1/1) ... [2021-12-21 12:07:00,251 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 12:07:00,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 12:07:00,283 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) [2021-12-21 12:07:00,289 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 [2021-12-21 12:07:00,309 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2021-12-21 12:07:00,309 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2021-12-21 12:07:00,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-21 12:07:00,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2021-12-21 12:07:00,310 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-21 12:07:00,310 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-21 12:07:00,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 12:07:00,310 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-21 12:07:00,310 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-21 12:07:00,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-21 12:07:00,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2021-12-21 12:07:00,311 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2021-12-21 12:07:00,311 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2021-12-21 12:07:00,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 12:07:00,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 12:07:00,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 12:07:00,311 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2021-12-21 12:07:00,311 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2021-12-21 12:07:00,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 12:07:00,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 12:07:00,312 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 12:07:00,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 12:07:00,312 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2021-12-21 12:07:00,312 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2021-12-21 12:07:00,312 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-21 12:07:00,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-21 12:07:00,313 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2021-12-21 12:07:00,313 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2021-12-21 12:07:00,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 12:07:00,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 12:07:00,313 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2021-12-21 12:07:00,313 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2021-12-21 12:07:00,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 12:07:00,313 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 12:07:00,314 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 12:07:00,314 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-21 12:07:00,314 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-21 12:07:00,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 12:07:00,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 12:07:00,314 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-21 12:07:00,314 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-21 12:07:00,315 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2021-12-21 12:07:00,315 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2021-12-21 12:07:00,315 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-21 12:07:00,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-21 12:07:00,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 12:07:00,315 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2021-12-21 12:07:00,315 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2021-12-21 12:07:00,315 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-12-21 12:07:00,316 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-12-21 12:07:00,316 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-21 12:07:00,316 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-21 12:07:00,316 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2021-12-21 12:07:00,316 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2021-12-21 12:07:00,317 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2021-12-21 12:07:00,317 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2021-12-21 12:07:00,318 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2021-12-21 12:07:00,318 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2021-12-21 12:07:00,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 12:07:00,318 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2021-12-21 12:07:00,318 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2021-12-21 12:07:00,318 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2021-12-21 12:07:00,318 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2021-12-21 12:07:00,319 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2021-12-21 12:07:00,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2021-12-21 12:07:00,319 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-21 12:07:00,319 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-21 12:07:00,319 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-21 12:07:00,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-21 12:07:00,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 12:07:00,586 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 12:07:00,587 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 12:07:01,784 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 12:07:01,791 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 12:07:01,791 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-21 12:07:01,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 12:07:01 BoogieIcfgContainer [2021-12-21 12:07:01,793 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 12:07:01,794 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 12:07:01,794 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 12:07:01,796 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 12:07:01,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 12:06:58" (1/3) ... [2021-12-21 12:07:01,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f889cca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 12:07:01, skipping insertion in model container [2021-12-21 12:07:01,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:06:59" (2/3) ... [2021-12-21 12:07:01,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f889cca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 12:07:01, skipping insertion in model container [2021-12-21 12:07:01,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 12:07:01" (3/3) ... [2021-12-21 12:07:01,798 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_pthread_mutex_unlock.i [2021-12-21 12:07:01,801 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 12:07:01,802 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-12-21 12:07:01,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f889cca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 12:07:01, skipping insertion in model container [2021-12-21 12:07:01,803 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 12:07:01,803 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 12:07:01,803 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 12:07:01,803 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 12:07:01,804 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 12:07:01" (3/3) ... [2021-12-21 12:07:01,805 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-21 12:07:01,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_init [2021-12-21 12:07:01,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2021-12-21 12:07:01,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure misc_deregister [2021-12-21 12:07:01,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_ping [2021-12-21 12:07:01,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_context_process [2021-12-21 12:07:01,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_readw [2021-12-21 12:07:01,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2021-12-21 12:07:01,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_timer_off [2021-12-21 12:07:01,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock [2021-12-21 12:07:01,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-21 12:07:01,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2021-12-21 12:07:01,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure outw [2021-12-21 12:07:01,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2021-12-21 12:07:01,812 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure add_timer [2021-12-21 12:07:01,812 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2021-12-21 12:07:01,812 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-12-21 12:07:01,812 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure release_region [2021-12-21 12:07:01,812 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_begin [2021-12-21 12:07:01,812 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2021-12-21 12:07:01,812 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_end [2021-12-21 12:07:01,812 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure del_timer [2021-12-21 12:07:01,813 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_irqsave [2021-12-21 12:07:01,813 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_get_control [2021-12-21 12:07:01,813 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure request_region [2021-12-21 12:07:01,813 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2021-12-21 12:07:01,813 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cdev_add [2021-12-21 12:07:01,813 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-21 12:07:01,813 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_set_control [2021-12-21 12:07:01,823 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 146 nodes and edges [2021-12-21 12:07:01,825 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2021-12-21 12:07:01,826 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-12-21 12:07:01,827 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-12-21 12:07:01,828 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-21 12:07:01,829 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-21 12:07:01,923 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 12:07:01,923 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 12:07:01,924 INFO L158 Benchmark]: Toolchain (without parser) took 3010.95ms. Allocated memory was 113.2MB in the beginning and 138.4MB in the end (delta: 25.2MB). Free memory was 79.2MB in the beginning and 88.2MB in the end (delta: -9.0MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. [2021-12-21 12:07:01,924 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 83.9MB. Free memory was 41.1MB in the beginning and 41.1MB in the end (delta: 40.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 12:07:01,925 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1082.43ms. Allocated memory is still 113.2MB. Free memory was 78.9MB in the beginning and 48.5MB in the end (delta: 30.4MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. [2021-12-21 12:07:01,925 INFO L158 Benchmark]: Boogie Procedure Inliner took 146.92ms. Allocated memory was 113.2MB in the beginning and 138.4MB in the end (delta: 25.2MB). Free memory was 48.5MB in the beginning and 97.5MB in the end (delta: -49.0MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2021-12-21 12:07:01,925 INFO L158 Benchmark]: Boogie Preprocessor took 98.89ms. Allocated memory is still 138.4MB. Free memory was 97.5MB in the beginning and 90.6MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-21 12:07:01,925 INFO L158 Benchmark]: RCFGBuilder took 1548.48ms. Allocated memory is still 138.4MB. Free memory was 90.6MB in the beginning and 57.0MB in the end (delta: 33.6MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. [2021-12-21 12:07:01,926 INFO L158 Benchmark]: TraceAbstraction took 8.57ms. Allocated memory is still 138.4MB. Free memory was 57.0MB in the beginning and 56.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 12:07:01,926 INFO L158 Benchmark]: Witness Printer took 119.96ms. Allocated memory is still 138.4MB. Free memory was 56.0MB in the beginning and 88.2MB in the end (delta: -32.2MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2021-12-21 12:07:01,927 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 83.9MB. Free memory was 41.1MB in the beginning and 41.1MB in the end (delta: 40.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1082.43ms. Allocated memory is still 113.2MB. Free memory was 78.9MB in the beginning and 48.5MB in the end (delta: 30.4MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 146.92ms. Allocated memory was 113.2MB in the beginning and 138.4MB in the end (delta: 25.2MB). Free memory was 48.5MB in the beginning and 97.5MB in the end (delta: -49.0MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.89ms. Allocated memory is still 138.4MB. Free memory was 97.5MB in the beginning and 90.6MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1548.48ms. Allocated memory is still 138.4MB. Free memory was 90.6MB in the beginning and 57.0MB in the end (delta: 33.6MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. * TraceAbstraction took 8.57ms. Allocated memory is still 138.4MB. Free memory was 57.0MB in the beginning and 56.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 119.96ms. Allocated memory is still 138.4MB. Free memory was 56.0MB in the beginning and 88.2MB in the end (delta: -32.2MB). Peak memory consumption was 24.2MB. 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! [2021-12-21 12:07:01,953 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