./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5317dae Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl.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 6e9935ba6b05a3c7e4f0c65d8e33bc471835cb8eb350ac893c3dd9a00ab8c4f5 --- Real Ultimate output --- This is Ultimate 0.2.2-?-b5317da-m [2023-02-16 00:53:29,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-16 00:53:29,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-16 00:53:29,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-16 00:53:29,882 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-16 00:53:29,883 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-16 00:53:29,884 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-16 00:53:29,886 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-16 00:53:29,887 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-16 00:53:29,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-16 00:53:29,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-16 00:53:29,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-16 00:53:29,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-16 00:53:29,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-16 00:53:29,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-16 00:53:29,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-16 00:53:29,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-16 00:53:29,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-16 00:53:29,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-16 00:53:29,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-16 00:53:29,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-16 00:53:29,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-16 00:53:29,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-16 00:53:29,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-16 00:53:29,911 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-16 00:53:29,911 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-16 00:53:29,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-16 00:53:29,912 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-16 00:53:29,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-16 00:53:29,914 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-16 00:53:29,914 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-16 00:53:29,914 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-16 00:53:29,915 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-16 00:53:29,916 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-16 00:53:29,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-16 00:53:29,917 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-16 00:53:29,917 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-16 00:53:29,918 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-16 00:53:29,918 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-16 00:53:29,919 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-16 00:53:29,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-16 00:53:29,920 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-16 00:53:29,938 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-16 00:53:29,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-16 00:53:29,939 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-16 00:53:29,939 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-16 00:53:29,940 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-16 00:53:29,940 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-16 00:53:29,941 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-16 00:53:29,941 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-16 00:53:29,941 INFO L138 SettingsManager]: * Use SBE=true [2023-02-16 00:53:29,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-16 00:53:29,942 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-16 00:53:29,942 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-16 00:53:29,942 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-16 00:53:29,942 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-16 00:53:29,943 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-16 00:53:29,943 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-16 00:53:29,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-16 00:53:29,943 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-16 00:53:29,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-16 00:53:29,944 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-16 00:53:29,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-16 00:53:29,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-16 00:53:29,945 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-16 00:53:29,945 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-16 00:53:29,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-16 00:53:29,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-16 00:53:29,946 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-16 00:53:29,946 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-16 00:53:29,946 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-16 00:53:29,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-16 00:53:29,947 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-16 00:53:29,947 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-16 00:53:29,947 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-16 00:53:29,947 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-16 00:53:29,947 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-16 00:53:29,947 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e9935ba6b05a3c7e4f0c65d8e33bc471835cb8eb350ac893c3dd9a00ab8c4f5 [2023-02-16 00:53:30,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-16 00:53:30,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-16 00:53:30,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-16 00:53:30,206 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-16 00:53:30,206 INFO L275 PluginConnector]: CDTParser initialized [2023-02-16 00:53:30,207 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl.i [2023-02-16 00:53:31,303 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-16 00:53:31,666 INFO L351 CDTParser]: Found 1 translation units. [2023-02-16 00:53:31,666 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl.i [2023-02-16 00:53:31,694 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/764422f2f/776ae528c1b047e6b62d08677790cdba/FLAG510481c10 [2023-02-16 00:53:31,708 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/764422f2f/776ae528c1b047e6b62d08677790cdba [2023-02-16 00:53:31,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-16 00:53:31,713 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-16 00:53:31,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-16 00:53:31,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-16 00:53:31,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-16 00:53:31,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 12:53:31" (1/1) ... [2023-02-16 00:53:31,722 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d520a79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:31, skipping insertion in model container [2023-02-16 00:53:31,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 12:53:31" (1/1) ... [2023-02-16 00:53:31,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-16 00:53:31,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-16 00:53:31,930 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl.i[455,468] [2023-02-16 00:53:32,590 WARN L623 FunctionHandler]: Unknown extern function misc_register [2023-02-16 00:53:32,593 WARN L623 FunctionHandler]: Unknown extern function register_reboot_notifier [2023-02-16 00:53:32,595 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-16 00:53:32,597 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-16 00:53:32,598 WARN L623 FunctionHandler]: Unknown extern function unregister_reboot_notifier [2023-02-16 00:53:32,759 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_sector_t [2023-02-16 00:53:32,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 00:53:32,950 INFO L203 MainTranslator]: Completed pre-run [2023-02-16 00:53:32,960 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl.i[455,468] [2023-02-16 00:53:33,054 WARN L623 FunctionHandler]: Unknown extern function misc_register [2023-02-16 00:53:33,059 WARN L623 FunctionHandler]: Unknown extern function register_reboot_notifier [2023-02-16 00:53:33,059 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-16 00:53:33,060 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-16 00:53:33,060 WARN L623 FunctionHandler]: Unknown extern function unregister_reboot_notifier [2023-02-16 00:53:33,074 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_sector_t [2023-02-16 00:53:33,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 00:53:33,258 INFO L208 MainTranslator]: Completed translation [2023-02-16 00:53:33,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:33 WrapperNode [2023-02-16 00:53:33,259 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-16 00:53:33,261 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-16 00:53:33,261 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-16 00:53:33,261 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-16 00:53:33,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:33" (1/1) ... [2023-02-16 00:53:33,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:33" (1/1) ... [2023-02-16 00:53:33,408 INFO L138 Inliner]: procedures = 474, calls = 839, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 1009 [2023-02-16 00:53:33,408 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-16 00:53:33,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-16 00:53:33,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-16 00:53:33,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-16 00:53:33,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:33" (1/1) ... [2023-02-16 00:53:33,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:33" (1/1) ... [2023-02-16 00:53:33,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:33" (1/1) ... [2023-02-16 00:53:33,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:33" (1/1) ... [2023-02-16 00:53:33,478 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:33" (1/1) ... [2023-02-16 00:53:33,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:33" (1/1) ... [2023-02-16 00:53:33,497 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:33" (1/1) ... [2023-02-16 00:53:33,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:33" (1/1) ... [2023-02-16 00:53:33,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-16 00:53:33,533 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-16 00:53:33,534 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-16 00:53:33,534 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-16 00:53:33,535 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:33" (1/1) ... [2023-02-16 00:53:33,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-16 00:53:33,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 00:53:33,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-02-16 00:53:33,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-02-16 00:53:33,610 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2023-02-16 00:53:33,611 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2023-02-16 00:53:33,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-02-16 00:53:33,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2023-02-16 00:53:33,611 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-02-16 00:53:33,611 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-02-16 00:53:33,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-02-16 00:53:33,612 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-02-16 00:53:33,612 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-02-16 00:53:33,612 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-02-16 00:53:33,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2023-02-16 00:53:33,612 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2023-02-16 00:53:33,612 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2023-02-16 00:53:33,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-02-16 00:53:33,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-02-16 00:53:33,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-02-16 00:53:33,614 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2023-02-16 00:53:33,614 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2023-02-16 00:53:33,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-16 00:53:33,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-02-16 00:53:33,615 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-02-16 00:53:33,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-02-16 00:53:33,615 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2023-02-16 00:53:33,615 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2023-02-16 00:53:33,616 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-02-16 00:53:33,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-02-16 00:53:33,616 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2023-02-16 00:53:33,616 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2023-02-16 00:53:33,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-16 00:53:33,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-16 00:53:33,617 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2023-02-16 00:53:33,617 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2023-02-16 00:53:33,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-02-16 00:53:33,617 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-02-16 00:53:33,617 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-02-16 00:53:33,617 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-02-16 00:53:33,617 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-02-16 00:53:33,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-02-16 00:53:33,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-02-16 00:53:33,618 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-02-16 00:53:33,618 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-02-16 00:53:33,619 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2023-02-16 00:53:33,619 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2023-02-16 00:53:33,619 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-02-16 00:53:33,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-02-16 00:53:33,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-02-16 00:53:33,620 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-02-16 00:53:33,620 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-02-16 00:53:33,620 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-02-16 00:53:33,621 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-02-16 00:53:33,621 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-02-16 00:53:33,621 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-02-16 00:53:33,621 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2023-02-16 00:53:33,621 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2023-02-16 00:53:33,621 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2023-02-16 00:53:33,622 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2023-02-16 00:53:33,622 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2023-02-16 00:53:33,622 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2023-02-16 00:53:33,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-02-16 00:53:33,622 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2023-02-16 00:53:33,623 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2023-02-16 00:53:33,623 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2023-02-16 00:53:33,623 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2023-02-16 00:53:33,623 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-02-16 00:53:33,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-02-16 00:53:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-02-16 00:53:33,624 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-02-16 00:53:33,624 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-02-16 00:53:33,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-02-16 00:53:33,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-16 00:53:33,967 INFO L235 CfgBuilder]: Building ICFG [2023-02-16 00:53:33,970 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-16 00:53:35,360 INFO L276 CfgBuilder]: Performing block encoding [2023-02-16 00:53:35,367 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-16 00:53:35,367 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2023-02-16 00:53:35,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 12:53:35 BoogieIcfgContainer [2023-02-16 00:53:35,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-16 00:53:35,371 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-16 00:53:35,371 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-16 00:53:35,374 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-16 00:53:35,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 12:53:31" (1/3) ... [2023-02-16 00:53:35,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d826cbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 12:53:35, skipping insertion in model container [2023-02-16 00:53:35,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:33" (2/3) ... [2023-02-16 00:53:35,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d826cbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 12:53:35, skipping insertion in model container [2023-02-16 00:53:35,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 12:53:35" (3/3) ... [2023-02-16 00:53:35,376 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inl.i [2023-02-16 00:53:35,391 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-16 00:53:35,391 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-02-16 00:53:35,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d826cbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 12:53:35, skipping insertion in model container [2023-02-16 00:53:35,393 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-16 00:53:35,393 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-16 00:53:35,393 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-16 00:53:35,394 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-16 00:53:35,394 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 12:53:35" (3/3) ... [2023-02-16 00:53:35,396 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-16 00:53:35,401 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_init [2023-02-16 00:53:35,401 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2023-02-16 00:53:35,402 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure misc_deregister [2023-02-16 00:53:35,402 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_ping [2023-02-16 00:53:35,402 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_context_process [2023-02-16 00:53:35,402 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_readw [2023-02-16 00:53:35,402 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2023-02-16 00:53:35,402 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_timer_off [2023-02-16 00:53:35,403 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock [2023-02-16 00:53:35,403 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-02-16 00:53:35,403 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2023-02-16 00:53:35,403 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outw [2023-02-16 00:53:35,403 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2023-02-16 00:53:35,403 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure add_timer [2023-02-16 00:53:35,403 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2023-02-16 00:53:35,404 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-02-16 00:53:35,404 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure release_region [2023-02-16 00:53:35,404 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_begin [2023-02-16 00:53:35,404 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2023-02-16 00:53:35,404 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_end [2023-02-16 00:53:35,404 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure del_timer [2023-02-16 00:53:35,404 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_irqsave [2023-02-16 00:53:35,405 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_get_control [2023-02-16 00:53:35,405 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure request_region [2023-02-16 00:53:35,405 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-02-16 00:53:35,405 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdev_add [2023-02-16 00:53:35,405 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-02-16 00:53:35,405 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_set_control [2023-02-16 00:53:35,418 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 146 nodes and edges [2023-02-16 00:53:35,420 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2023-02-16 00:53:35,422 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-02-16 00:53:35,423 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-02-16 00:53:35,424 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-02-16 00:53:35,426 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-16 00:53:35,551 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-16 00:53:35,551 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-16 00:53:35,552 INFO L158 Benchmark]: Toolchain (without parser) took 3839.13ms. Allocated memory was 127.9MB in the beginning and 157.3MB in the end (delta: 29.4MB). Free memory was 92.2MB in the beginning and 98.9MB in the end (delta: -6.7MB). Peak memory consumption was 89.4MB. Max. memory is 16.1GB. [2023-02-16 00:53:35,553 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-16 00:53:35,553 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1543.93ms. Allocated memory was 127.9MB in the beginning and 157.3MB in the end (delta: 29.4MB). Free memory was 91.8MB in the beginning and 114.3MB in the end (delta: -22.4MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. [2023-02-16 00:53:35,553 INFO L158 Benchmark]: Boogie Procedure Inliner took 147.94ms. Allocated memory is still 157.3MB. Free memory was 114.3MB in the beginning and 105.7MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-16 00:53:35,553 INFO L158 Benchmark]: Boogie Preprocessor took 119.18ms. Allocated memory is still 157.3MB. Free memory was 104.8MB in the beginning and 97.5MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-02-16 00:53:35,554 INFO L158 Benchmark]: RCFGBuilder took 1836.13ms. Allocated memory is still 157.3MB. Free memory was 97.5MB in the beginning and 50.7MB in the end (delta: 46.8MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. [2023-02-16 00:53:35,554 INFO L158 Benchmark]: TraceAbstraction took 21.49ms. Allocated memory is still 157.3MB. Free memory was 49.6MB in the beginning and 47.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-16 00:53:35,554 INFO L158 Benchmark]: Witness Printer took 157.93ms. Allocated memory is still 157.3MB. Free memory was 47.5MB in the beginning and 98.9MB in the end (delta: -51.3MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2023-02-16 00:53:35,556 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 100.7MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1543.93ms. Allocated memory was 127.9MB in the beginning and 157.3MB in the end (delta: 29.4MB). Free memory was 91.8MB in the beginning and 114.3MB in the end (delta: -22.4MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 147.94ms. Allocated memory is still 157.3MB. Free memory was 114.3MB in the beginning and 105.7MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 119.18ms. Allocated memory is still 157.3MB. Free memory was 104.8MB in the beginning and 97.5MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1836.13ms. Allocated memory is still 157.3MB. Free memory was 97.5MB in the beginning and 50.7MB in the end (delta: 46.8MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. * TraceAbstraction took 21.49ms. Allocated memory is still 157.3MB. Free memory was 49.6MB in the beginning and 47.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 157.93ms. Allocated memory is still 157.3MB. Free memory was 47.5MB in the beginning and 98.9MB in the end (delta: -51.3MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2023-02-16 00:53:35,570 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