./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.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_outb_p.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 5d4ac8f9993fdd9a611524b9b9f0ae991f3672b4fa16738dbd64025282f00ca6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 16:50:36,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 16:50:36,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 16:50:36,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 16:50:36,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 16:50:36,978 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 16:50:36,980 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 16:50:36,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 16:50:36,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 16:50:36,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 16:50:36,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 16:50:36,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 16:50:36,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 16:50:36,999 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 16:50:37,001 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 16:50:37,002 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 16:50:37,003 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 16:50:37,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 16:50:37,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 16:50:37,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 16:50:37,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 16:50:37,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 16:50:37,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 16:50:37,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 16:50:37,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 16:50:37,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 16:50:37,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 16:50:37,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 16:50:37,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 16:50:37,020 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 16:50:37,020 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 16:50:37,021 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 16:50:37,022 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 16:50:37,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 16:50:37,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 16:50:37,023 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 16:50:37,024 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 16:50:37,024 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 16:50:37,024 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 16:50:37,025 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 16:50:37,025 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 16:50:37,027 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 16:50:37,052 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 16:50:37,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 16:50:37,053 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 16:50:37,053 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 16:50:37,054 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 16:50:37,054 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 16:50:37,055 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 16:50:37,055 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 16:50:37,055 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 16:50:37,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 16:50:37,056 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 16:50:37,056 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 16:50:37,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 16:50:37,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 16:50:37,056 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 16:50:37,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 16:50:37,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 16:50:37,057 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 16:50:37,057 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 16:50:37,057 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 16:50:37,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 16:50:37,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 16:50:37,058 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 16:50:37,058 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 16:50:37,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:50:37,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 16:50:37,058 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 16:50:37,063 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 16:50:37,063 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 16:50:37,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 16:50:37,063 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 16:50:37,063 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 16:50:37,063 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 16:50:37,064 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d4ac8f9993fdd9a611524b9b9f0ae991f3672b4fa16738dbd64025282f00ca6 [2022-02-20 16:50:37,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 16:50:37,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 16:50:37,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 16:50:37,267 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 16:50:37,268 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 16:50:37,269 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i [2022-02-20 16:50:37,337 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5027f2273/a90c1abb74f64b0da7c08fe357e4067d/FLAG13291eee9 [2022-02-20 16:50:37,822 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 16:50:37,823 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i [2022-02-20 16:50:37,848 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5027f2273/a90c1abb74f64b0da7c08fe357e4067d/FLAG13291eee9 [2022-02-20 16:50:38,347 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5027f2273/a90c1abb74f64b0da7c08fe357e4067d [2022-02-20 16:50:38,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 16:50:38,352 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 16:50:38,353 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 16:50:38,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 16:50:38,356 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 16:50:38,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:50:38" (1/1) ... [2022-02-20 16:50:38,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a6e3f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:38, skipping insertion in model container [2022-02-20 16:50:38,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:50:38" (1/1) ... [2022-02-20 16:50:38,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 16:50:38,418 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 16:50:38,558 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_outb_p.i[458,471] [2022-02-20 16:50:39,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:50:39,415 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 16:50:39,425 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_outb_p.i[458,471] [2022-02-20 16:50:39,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:50:39,730 INFO L208 MainTranslator]: Completed translation [2022-02-20 16:50:39,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:39 WrapperNode [2022-02-20 16:50:39,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 16:50:39,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 16:50:39,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 16:50:39,733 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 16:50:39,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:39" (1/1) ... [2022-02-20 16:50:39,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:39" (1/1) ... [2022-02-20 16:50:39,866 INFO L137 Inliner]: procedures = 474, calls = 839, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 1013 [2022-02-20 16:50:39,867 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 16:50:39,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 16:50:39,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 16:50:39,870 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 16:50:39,877 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:39" (1/1) ... [2022-02-20 16:50:39,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:39" (1/1) ... [2022-02-20 16:50:39,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:39" (1/1) ... [2022-02-20 16:50:39,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:39" (1/1) ... [2022-02-20 16:50:39,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:39" (1/1) ... [2022-02-20 16:50:39,954 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:39" (1/1) ... [2022-02-20 16:50:39,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:39" (1/1) ... [2022-02-20 16:50:39,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 16:50:39,978 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 16:50:39,978 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 16:50:39,978 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 16:50:39,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:39" (1/1) ... [2022-02-20 16:50:39,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:50:39,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:50:40,031 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 16:50:40,050 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 16:50:40,063 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2022-02-20 16:50:40,063 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2022-02-20 16:50:40,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-20 16:50:40,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2022-02-20 16:50:40,064 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-02-20 16:50:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-02-20 16:50:40,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 16:50:40,064 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-02-20 16:50:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-02-20 16:50:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-20 16:50:40,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2022-02-20 16:50:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2022-02-20 16:50:40,065 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2022-02-20 16:50:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-02-20 16:50:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-20 16:50:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-20 16:50:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2022-02-20 16:50:40,066 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2022-02-20 16:50:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 16:50:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-20 16:50:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-02-20 16:50:40,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-02-20 16:50:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2022-02-20 16:50:40,067 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2022-02-20 16:50:40,067 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-02-20 16:50:40,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-02-20 16:50:40,067 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2022-02-20 16:50:40,068 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2022-02-20 16:50:40,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 16:50:40,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 16:50:40,068 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2022-02-20 16:50:40,068 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2022-02-20 16:50:40,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-02-20 16:50:40,068 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-02-20 16:50:40,068 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-02-20 16:50:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-02-20 16:50:40,069 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-02-20 16:50:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 16:50:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-20 16:50:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-02-20 16:50:40,069 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-02-20 16:50:40,070 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-02-20 16:50:40,070 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-02-20 16:50:40,070 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-02-20 16:50:40,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-02-20 16:50:40,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-02-20 16:50:40,070 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2022-02-20 16:50:40,070 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2022-02-20 16:50:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-02-20 16:50:40,071 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-02-20 16:50:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-02-20 16:50:40,071 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-02-20 16:50:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-02-20 16:50:40,072 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-02-20 16:50:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2022-02-20 16:50:40,073 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2022-02-20 16:50:40,073 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2022-02-20 16:50:40,073 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2022-02-20 16:50:40,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 16:50:40,074 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2022-02-20 16:50:40,074 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2022-02-20 16:50:40,074 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2022-02-20 16:50:40,074 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2022-02-20 16:50:40,075 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-02-20 16:50:40,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-02-20 16:50:40,075 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-02-20 16:50:40,075 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-02-20 16:50:40,075 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-02-20 16:50:40,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-02-20 16:50:40,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 16:50:40,347 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 16:50:40,349 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 16:50:42,395 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 16:50:42,414 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 16:50:42,414 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-02-20 16:50:42,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:50:42 BoogieIcfgContainer [2022-02-20 16:50:42,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 16:50:42,420 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 16:50:42,420 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 16:50:42,422 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 16:50:42,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 04:50:38" (1/3) ... [2022-02-20 16:50:42,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@873d977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:50:42, skipping insertion in model container [2022-02-20 16:50:42,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:50:39" (2/3) ... [2022-02-20 16:50:42,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@873d977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:50:42, skipping insertion in model container [2022-02-20 16:50:42,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:50:42" (3/3) ... [2022-02-20 16:50:42,424 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outb_p.i [2022-02-20 16:50:42,428 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 16:50:42,428 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-02-20 16:50:42,429 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@873d977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 04:50:42, skipping insertion in model container [2022-02-20 16:50:42,429 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 16:50:42,430 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-20 16:50:42,430 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-20 16:50:42,430 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-20 16:50:42,430 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:50:42" (3/3) ... [2022-02-20 16:50:42,433 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-02-20 16:50:42,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_init [2022-02-20 16:50:42,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2022-02-20 16:50:42,438 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure misc_deregister [2022-02-20 16:50:42,438 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_ping [2022-02-20 16:50:42,438 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_context_process [2022-02-20 16:50:42,438 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_readw [2022-02-20 16:50:42,438 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2022-02-20 16:50:42,438 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_timer_off [2022-02-20 16:50:42,439 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock [2022-02-20 16:50:42,439 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-02-20 16:50:42,439 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-02-20 16:50:42,439 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure outw [2022-02-20 16:50:42,439 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2022-02-20 16:50:42,439 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure add_timer [2022-02-20 16:50:42,439 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2022-02-20 16:50:42,439 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-02-20 16:50:42,439 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure release_region [2022-02-20 16:50:42,439 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_begin [2022-02-20 16:50:42,439 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2022-02-20 16:50:42,439 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_end [2022-02-20 16:50:42,440 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure del_timer [2022-02-20 16:50:42,440 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_irqsave [2022-02-20 16:50:42,442 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_get_control [2022-02-20 16:50:42,442 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure request_region [2022-02-20 16:50:42,442 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-02-20 16:50:42,442 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cdev_add [2022-02-20 16:50:42,443 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-02-20 16:50:42,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_set_control [2022-02-20 16:50:42,471 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 146 nodes and edges [2022-02-20 16:50:42,472 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2022-02-20 16:50:42,474 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-02-20 16:50:42,479 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-02-20 16:50:42,481 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-02-20 16:50:42,482 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-20 16:50:42,576 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-20 16:50:42,577 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-20 16:50:42,578 INFO L158 Benchmark]: Toolchain (without parser) took 4225.80ms. Allocated memory was 113.2MB in the beginning and 161.5MB in the end (delta: 48.2MB). Free memory was 76.0MB in the beginning and 76.4MB in the end (delta: -390.2kB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2022-02-20 16:50:42,578 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 83.9MB. Free memory was 41.1MB in the beginning and 41.1MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 16:50:42,578 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1378.98ms. Allocated memory was 113.2MB in the beginning and 161.5MB in the end (delta: 48.2MB). Free memory was 75.8MB in the beginning and 115.4MB in the end (delta: -39.6MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. [2022-02-20 16:50:42,578 INFO L158 Benchmark]: Boogie Procedure Inliner took 136.80ms. Allocated memory is still 161.5MB. Free memory was 115.4MB in the beginning and 104.0MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-20 16:50:42,579 INFO L158 Benchmark]: Boogie Preprocessor took 107.13ms. Allocated memory is still 161.5MB. Free memory was 104.0MB in the beginning and 93.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-20 16:50:42,579 INFO L158 Benchmark]: RCFGBuilder took 2439.77ms. Allocated memory is still 161.5MB. Free memory was 93.6MB in the beginning and 95.2MB in the end (delta: -1.7MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-02-20 16:50:42,579 INFO L158 Benchmark]: TraceAbstraction took 9.61ms. Allocated memory is still 161.5MB. Free memory was 94.2MB in the beginning and 93.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 16:50:42,579 INFO L158 Benchmark]: Witness Printer took 146.83ms. Allocated memory is still 161.5MB. Free memory was 93.1MB in the beginning and 76.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-02-20 16:50:42,580 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 0.14ms. Allocated memory is still 83.9MB. Free memory was 41.1MB in the beginning and 41.1MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1378.98ms. Allocated memory was 113.2MB in the beginning and 161.5MB in the end (delta: 48.2MB). Free memory was 75.8MB in the beginning and 115.4MB in the end (delta: -39.6MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 136.80ms. Allocated memory is still 161.5MB. Free memory was 115.4MB in the beginning and 104.0MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.13ms. Allocated memory is still 161.5MB. Free memory was 104.0MB in the beginning and 93.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2439.77ms. Allocated memory is still 161.5MB. Free memory was 93.6MB in the beginning and 95.2MB in the end (delta: -1.7MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * TraceAbstraction took 9.61ms. Allocated memory is still 161.5MB. Free memory was 94.2MB in the beginning and 93.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 146.83ms. Allocated memory is still 161.5MB. Free memory was 93.1MB in the beginning and 76.4MB 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 16:50:42,604 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE