./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.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_all.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 a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd --- Real Ultimate output --- This is Ultimate 0.2.2-?-b5317da-m [2023-02-16 00:53:23,832 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-16 00:53:23,834 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-16 00:53:23,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-16 00:53:23,861 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-16 00:53:23,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-16 00:53:23,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-16 00:53:23,867 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-16 00:53:23,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-16 00:53:23,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-16 00:53:23,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-16 00:53:23,877 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-16 00:53:23,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-16 00:53:23,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-16 00:53:23,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-16 00:53:23,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-16 00:53:23,883 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-16 00:53:23,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-16 00:53:23,885 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-16 00:53:23,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-16 00:53:23,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-16 00:53:23,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-16 00:53:23,892 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-16 00:53:23,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-16 00:53:23,898 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-16 00:53:23,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-16 00:53:23,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-16 00:53:23,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-16 00:53:23,901 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-16 00:53:23,902 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-16 00:53:23,902 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-16 00:53:23,902 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-16 00:53:23,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-16 00:53:23,904 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-16 00:53:23,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-16 00:53:23,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-16 00:53:23,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-16 00:53:23,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-16 00:53:23,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-16 00:53:23,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-16 00:53:23,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-16 00:53:23,908 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-16 00:53:23,930 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-16 00:53:23,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-16 00:53:23,930 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-16 00:53:23,930 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-16 00:53:23,931 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-16 00:53:23,931 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-16 00:53:23,932 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-16 00:53:23,932 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-16 00:53:23,932 INFO L138 SettingsManager]: * Use SBE=true [2023-02-16 00:53:23,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-16 00:53:23,933 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-16 00:53:23,933 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-16 00:53:23,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-16 00:53:23,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-16 00:53:23,933 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-16 00:53:23,933 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-16 00:53:23,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-16 00:53:23,934 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-16 00:53:23,934 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-16 00:53:23,934 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-16 00:53:23,934 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-16 00:53:23,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-16 00:53:23,934 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-16 00:53:23,934 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-16 00:53:23,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-16 00:53:23,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-16 00:53:23,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-16 00:53:23,935 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-16 00:53:23,935 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-16 00:53:23,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-16 00:53:23,935 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-16 00:53:23,935 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-16 00:53:23,936 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-16 00:53:23,936 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-16 00:53:23,936 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-16 00:53:23,936 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd [2023-02-16 00:53:24,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-16 00:53:24,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-16 00:53:24,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-16 00:53:24,144 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-16 00:53:24,145 INFO L275 PluginConnector]: CDTParser initialized [2023-02-16 00:53:24,145 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2023-02-16 00:53:25,072 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-16 00:53:25,404 INFO L351 CDTParser]: Found 1 translation units. [2023-02-16 00:53:25,405 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2023-02-16 00:53:25,425 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/964507c92/684626d68ddc4612b65102b2f0c4fc99/FLAG310869983 [2023-02-16 00:53:25,437 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/964507c92/684626d68ddc4612b65102b2f0c4fc99 [2023-02-16 00:53:25,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-16 00:53:25,440 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-16 00:53:25,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-16 00:53:25,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-16 00:53:25,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-16 00:53:25,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 12:53:25" (1/1) ... [2023-02-16 00:53:25,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cc04218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:25, skipping insertion in model container [2023-02-16 00:53:25,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 12:53:25" (1/1) ... [2023-02-16 00:53:25,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-16 00:53:25,506 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-16 00:53:25,620 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_all.i[452,465] [2023-02-16 00:53:26,107 WARN L623 FunctionHandler]: Unknown extern function misc_register [2023-02-16 00:53:26,109 WARN L623 FunctionHandler]: Unknown extern function register_reboot_notifier [2023-02-16 00:53:26,112 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-16 00:53:26,115 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-16 00:53:26,115 WARN L623 FunctionHandler]: Unknown extern function unregister_reboot_notifier [2023-02-16 00:53:26,250 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_sector_t [2023-02-16 00:53:26,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 00:53:26,398 INFO L203 MainTranslator]: Completed pre-run [2023-02-16 00:53:26,407 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_all.i[452,465] [2023-02-16 00:53:26,450 WARN L623 FunctionHandler]: Unknown extern function misc_register [2023-02-16 00:53:26,451 WARN L623 FunctionHandler]: Unknown extern function register_reboot_notifier [2023-02-16 00:53:26,454 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-16 00:53:26,454 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-16 00:53:26,454 WARN L623 FunctionHandler]: Unknown extern function unregister_reboot_notifier [2023-02-16 00:53:26,473 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_sector_t [2023-02-16 00:53:26,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 00:53:26,649 INFO L208 MainTranslator]: Completed translation [2023-02-16 00:53:26,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:26 WrapperNode [2023-02-16 00:53:26,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-16 00:53:26,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-16 00:53:26,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-16 00:53:26,651 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-16 00:53:26,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:26" (1/1) ... [2023-02-16 00:53:26,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:26" (1/1) ... [2023-02-16 00:53:26,758 INFO L138 Inliner]: procedures = 476, calls = 866, calls flagged for inlining = 55, calls inlined = 37, statements flattened = 1023 [2023-02-16 00:53:26,762 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-16 00:53:26,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-16 00:53:26,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-16 00:53:26,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-16 00:53:26,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:26" (1/1) ... [2023-02-16 00:53:26,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:26" (1/1) ... [2023-02-16 00:53:26,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:26" (1/1) ... [2023-02-16 00:53:26,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:26" (1/1) ... [2023-02-16 00:53:26,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:26" (1/1) ... [2023-02-16 00:53:26,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:26" (1/1) ... [2023-02-16 00:53:26,838 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:26" (1/1) ... [2023-02-16 00:53:26,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:26" (1/1) ... [2023-02-16 00:53:26,857 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-16 00:53:26,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-16 00:53:26,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-16 00:53:26,862 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-16 00:53:26,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:26" (1/1) ... [2023-02-16 00:53:26,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-16 00:53:26,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 00:53:26,914 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 00:53:26,938 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 00:53:26,968 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2023-02-16 00:53:26,968 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2023-02-16 00:53:26,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-02-16 00:53:26,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2023-02-16 00:53:26,968 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-02-16 00:53:26,968 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-02-16 00:53:26,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-02-16 00:53:26,968 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-02-16 00:53:26,969 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-02-16 00:53:26,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-02-16 00:53:26,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2023-02-16 00:53:26,969 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2023-02-16 00:53:26,969 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2023-02-16 00:53:26,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-02-16 00:53:26,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-02-16 00:53:26,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-02-16 00:53:26,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-02-16 00:53:26,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-02-16 00:53:26,970 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2023-02-16 00:53:26,970 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2023-02-16 00:53:26,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-16 00:53:26,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-02-16 00:53:26,971 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-02-16 00:53:26,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-02-16 00:53:26,971 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2023-02-16 00:53:26,971 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2023-02-16 00:53:26,971 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-02-16 00:53:26,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-02-16 00:53:26,972 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2023-02-16 00:53:26,972 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2023-02-16 00:53:26,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-16 00:53:26,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-16 00:53:26,972 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2023-02-16 00:53:26,972 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2023-02-16 00:53:26,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-02-16 00:53:26,972 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-02-16 00:53:26,973 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-02-16 00:53:26,973 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-02-16 00:53:26,974 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-02-16 00:53:26,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-02-16 00:53:26,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-02-16 00:53:26,975 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-02-16 00:53:26,975 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-02-16 00:53:26,976 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2023-02-16 00:53:26,976 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2023-02-16 00:53:26,976 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-02-16 00:53:26,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-02-16 00:53:26,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-02-16 00:53:26,977 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-02-16 00:53:26,977 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-02-16 00:53:26,977 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-02-16 00:53:26,977 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-02-16 00:53:26,980 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-02-16 00:53:26,980 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-02-16 00:53:26,980 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2023-02-16 00:53:26,980 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2023-02-16 00:53:26,980 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2023-02-16 00:53:26,980 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2023-02-16 00:53:26,981 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2023-02-16 00:53:26,981 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2023-02-16 00:53:26,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-02-16 00:53:26,981 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2023-02-16 00:53:26,982 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2023-02-16 00:53:26,982 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2023-02-16 00:53:26,982 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2023-02-16 00:53:26,982 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-02-16 00:53:26,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-02-16 00:53:26,983 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-02-16 00:53:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-02-16 00:53:26,983 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-02-16 00:53:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-02-16 00:53:26,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-16 00:53:27,270 INFO L235 CfgBuilder]: Building ICFG [2023-02-16 00:53:27,271 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-16 00:53:28,376 INFO L276 CfgBuilder]: Performing block encoding [2023-02-16 00:53:28,387 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-16 00:53:28,387 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2023-02-16 00:53:28,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 12:53:28 BoogieIcfgContainer [2023-02-16 00:53:28,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-16 00:53:28,391 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-16 00:53:28,391 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-16 00:53:28,393 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-16 00:53:28,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 12:53:25" (1/3) ... [2023-02-16 00:53:28,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b5621ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 12:53:28, skipping insertion in model container [2023-02-16 00:53:28,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:26" (2/3) ... [2023-02-16 00:53:28,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b5621ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 12:53:28, skipping insertion in model container [2023-02-16 00:53:28,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 12:53:28" (3/3) ... [2023-02-16 00:53:28,396 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_all.i [2023-02-16 00:53:28,408 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-16 00:53:28,408 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-16 00:53:28,459 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-16 00:53:28,463 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2e45f91e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-16 00:53:28,463 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-16 00:53:28,468 INFO L276 IsEmpty]: Start isEmpty. Operand has 356 states, 246 states have (on average 1.3577235772357723) internal successors, (334), 253 states have internal predecessors, (334), 81 states have call successors, (81), 27 states have call predecessors, (81), 27 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2023-02-16 00:53:28,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-02-16 00:53:28,474 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 00:53:28,474 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 00:53:28,474 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-16 00:53:28,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 00:53:28,479 INFO L85 PathProgramCache]: Analyzing trace with hash 31609833, now seen corresponding path program 1 times [2023-02-16 00:53:28,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 00:53:28,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278985496] [2023-02-16 00:53:28,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:53:28,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 00:53:28,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:53:28,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-16 00:53:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:53:28,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-02-16 00:53:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:53:28,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 00:53:28,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 00:53:28,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278985496] [2023-02-16 00:53:28,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278985496] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 00:53:28,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 00:53:28,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-16 00:53:28,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057020592] [2023-02-16 00:53:28,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 00:53:28,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-16 00:53:28,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 00:53:28,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-16 00:53:28,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-16 00:53:28,854 INFO L87 Difference]: Start difference. First operand has 356 states, 246 states have (on average 1.3577235772357723) internal successors, (334), 253 states have internal predecessors, (334), 81 states have call successors, (81), 27 states have call predecessors, (81), 27 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-02-16 00:53:29,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 00:53:29,524 INFO L93 Difference]: Finished difference Result 718 states and 1045 transitions. [2023-02-16 00:53:29,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-16 00:53:29,526 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2023-02-16 00:53:29,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 00:53:29,534 INFO L225 Difference]: With dead ends: 718 [2023-02-16 00:53:29,535 INFO L226 Difference]: Without dead ends: 358 [2023-02-16 00:53:29,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-16 00:53:29,541 INFO L413 NwaCegarLoop]: 405 mSDtfsCounter, 95 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 982 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-02-16 00:53:29,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 982 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-02-16 00:53:29,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2023-02-16 00:53:29,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 348. [2023-02-16 00:53:29,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 241 states have (on average 1.3360995850622406) internal successors, (322), 248 states have internal predecessors, (322), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2023-02-16 00:53:29,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 479 transitions. [2023-02-16 00:53:29,625 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 479 transitions. Word has length 24 [2023-02-16 00:53:29,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 00:53:29,625 INFO L495 AbstractCegarLoop]: Abstraction has 348 states and 479 transitions. [2023-02-16 00:53:29,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-02-16 00:53:29,626 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 479 transitions. [2023-02-16 00:53:29,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-02-16 00:53:29,627 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 00:53:29,627 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 00:53:29,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-16 00:53:29,627 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-16 00:53:29,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 00:53:29,628 INFO L85 PathProgramCache]: Analyzing trace with hash 686477797, now seen corresponding path program 1 times [2023-02-16 00:53:29,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 00:53:29,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916912656] [2023-02-16 00:53:29,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:53:29,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 00:53:29,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:53:29,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-16 00:53:29,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:53:29,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-02-16 00:53:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:53:29,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-16 00:53:29,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 00:53:29,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916912656] [2023-02-16 00:53:29,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916912656] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 00:53:29,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648705508] [2023-02-16 00:53:29,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:53:29,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 00:53:29,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 00:53:29,823 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 00:53:29,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-16 00:53:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:53:30,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-16 00:53:30,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 00:53:30,136 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-16 00:53:30,137 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 00:53:30,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-16 00:53:30,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [648705508] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 00:53:30,163 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 00:53:30,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2023-02-16 00:53:30,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252126478] [2023-02-16 00:53:30,164 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 00:53:30,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-02-16 00:53:30,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 00:53:30,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-02-16 00:53:30,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-02-16 00:53:30,166 INFO L87 Difference]: Start difference. First operand 348 states and 479 transitions. Second operand has 8 states, 8 states have (on average 3.875) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-16 00:53:30,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 00:53:30,960 INFO L93 Difference]: Finished difference Result 704 states and 969 transitions. [2023-02-16 00:53:30,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-16 00:53:30,961 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2023-02-16 00:53:30,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 00:53:30,963 INFO L225 Difference]: With dead ends: 704 [2023-02-16 00:53:30,963 INFO L226 Difference]: Without dead ends: 363 [2023-02-16 00:53:30,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-02-16 00:53:30,965 INFO L413 NwaCegarLoop]: 391 mSDtfsCounter, 431 mSDsluCounter, 725 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-02-16 00:53:30,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 1116 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-02-16 00:53:30,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2023-02-16 00:53:30,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 354. [2023-02-16 00:53:30,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 247 states have (on average 1.3279352226720649) internal successors, (328), 254 states have internal predecessors, (328), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2023-02-16 00:53:30,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 485 transitions. [2023-02-16 00:53:30,978 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 485 transitions. Word has length 28 [2023-02-16 00:53:30,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 00:53:30,978 INFO L495 AbstractCegarLoop]: Abstraction has 354 states and 485 transitions. [2023-02-16 00:53:30,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 7 states have internal predecessors, (31), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-16 00:53:30,979 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 485 transitions. [2023-02-16 00:53:30,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-02-16 00:53:30,979 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 00:53:30,979 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 00:53:30,986 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-02-16 00:53:31,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 00:53:31,188 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-16 00:53:31,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 00:53:31,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1877244671, now seen corresponding path program 2 times [2023-02-16 00:53:31,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 00:53:31,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560513874] [2023-02-16 00:53:31,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:53:31,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 00:53:31,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:53:31,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-16 00:53:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:53:31,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-02-16 00:53:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:53:31,359 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-16 00:53:31,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 00:53:31,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560513874] [2023-02-16 00:53:31,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560513874] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-16 00:53:31,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125155526] [2023-02-16 00:53:31,359 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-16 00:53:31,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-16 00:53:31,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 00:53:31,361 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-16 00:53:31,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-16 00:53:31,956 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-16 00:53:31,956 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 00:53:31,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 929 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-16 00:53:31,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 00:53:31,987 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-16 00:53:31,987 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 00:53:32,037 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-16 00:53:32,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2125155526] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 00:53:32,038 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-16 00:53:32,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2023-02-16 00:53:32,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050316743] [2023-02-16 00:53:32,038 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-16 00:53:32,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-02-16 00:53:32,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 00:53:32,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-02-16 00:53:32,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2023-02-16 00:53:32,040 INFO L87 Difference]: Start difference. First operand 354 states and 485 transitions. Second operand has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 13 states have internal predecessors, (43), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-16 00:53:32,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 00:53:32,908 INFO L93 Difference]: Finished difference Result 716 states and 984 transitions. [2023-02-16 00:53:32,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-02-16 00:53:32,909 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 13 states have internal predecessors, (43), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 34 [2023-02-16 00:53:32,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 00:53:32,911 INFO L225 Difference]: With dead ends: 716 [2023-02-16 00:53:32,911 INFO L226 Difference]: Without dead ends: 375 [2023-02-16 00:53:32,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2023-02-16 00:53:32,913 INFO L413 NwaCegarLoop]: 391 mSDtfsCounter, 430 mSDsluCounter, 1243 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 1634 SdHoareTripleChecker+Invalid, 782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-02-16 00:53:32,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [475 Valid, 1634 Invalid, 782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-02-16 00:53:32,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2023-02-16 00:53:32,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 366. [2023-02-16 00:53:32,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 259 states have (on average 1.3127413127413128) internal successors, (340), 266 states have internal predecessors, (340), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2023-02-16 00:53:32,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 497 transitions. [2023-02-16 00:53:32,925 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 497 transitions. Word has length 34 [2023-02-16 00:53:32,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 00:53:32,926 INFO L495 AbstractCegarLoop]: Abstraction has 366 states and 497 transitions. [2023-02-16 00:53:32,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 13 states have internal predecessors, (43), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-16 00:53:32,926 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 497 transitions. [2023-02-16 00:53:32,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-02-16 00:53:32,927 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 00:53:32,927 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 00:53:32,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-16 00:53:33,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-02-16 00:53:33,139 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-16 00:53:33,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 00:53:33,139 INFO L85 PathProgramCache]: Analyzing trace with hash -2035270989, now seen corresponding path program 3 times [2023-02-16 00:53:33,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 00:53:33,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638469470] [2023-02-16 00:53:33,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:53:33,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 00:53:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 00:53:33,234 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 00:53:33,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 00:53:33,333 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 00:53:33,348 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-02-16 00:53:33,350 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-02-16 00:53:33,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-16 00:53:33,353 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1] [2023-02-16 00:53:33,355 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-16 00:53:33,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 12:53:33 BoogieIcfgContainer [2023-02-16 00:53:33,430 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-16 00:53:33,431 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-16 00:53:33,431 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-16 00:53:33,431 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-16 00:53:33,433 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 12:53:28" (3/4) ... [2023-02-16 00:53:33,435 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-02-16 00:53:33,435 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-16 00:53:33,437 INFO L158 Benchmark]: Toolchain (without parser) took 7995.53ms. Allocated memory was 176.2MB in the beginning and 318.8MB in the end (delta: 142.6MB). Free memory was 126.0MB in the beginning and 135.6MB in the end (delta: -9.5MB). Peak memory consumption was 134.6MB. Max. memory is 16.1GB. [2023-02-16 00:53:33,437 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 176.2MB. Free memory is still 150.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-16 00:53:33,438 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1208.30ms. Allocated memory is still 176.2MB. Free memory was 125.5MB in the beginning and 98.2MB in the end (delta: 27.3MB). Peak memory consumption was 75.9MB. Max. memory is 16.1GB. [2023-02-16 00:53:33,439 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.51ms. Allocated memory is still 176.2MB. Free memory was 98.2MB in the beginning and 89.4MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-16 00:53:33,439 INFO L158 Benchmark]: Boogie Preprocessor took 98.15ms. Allocated memory is still 176.2MB. Free memory was 89.4MB in the beginning and 81.4MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-16 00:53:33,440 INFO L158 Benchmark]: RCFGBuilder took 1528.19ms. Allocated memory was 176.2MB in the beginning and 264.2MB in the end (delta: 88.1MB). Free memory was 81.4MB in the beginning and 163.5MB in the end (delta: -82.1MB). Peak memory consumption was 102.3MB. Max. memory is 16.1GB. [2023-02-16 00:53:33,442 INFO L158 Benchmark]: TraceAbstraction took 5038.91ms. Allocated memory was 264.2MB in the beginning and 318.8MB in the end (delta: 54.5MB). Free memory was 163.5MB in the beginning and 135.6MB in the end (delta: 27.9MB). Peak memory consumption was 82.4MB. Max. memory is 16.1GB. [2023-02-16 00:53:33,442 INFO L158 Benchmark]: Witness Printer took 4.60ms. Allocated memory is still 318.8MB. Free memory is still 135.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-16 00:53:33,444 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 176.2MB. Free memory is still 150.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1208.30ms. Allocated memory is still 176.2MB. Free memory was 125.5MB in the beginning and 98.2MB in the end (delta: 27.3MB). Peak memory consumption was 75.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 111.51ms. Allocated memory is still 176.2MB. Free memory was 98.2MB in the beginning and 89.4MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.15ms. Allocated memory is still 176.2MB. Free memory was 89.4MB in the beginning and 81.4MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1528.19ms. Allocated memory was 176.2MB in the beginning and 264.2MB in the end (delta: 88.1MB). Free memory was 81.4MB in the beginning and 163.5MB in the end (delta: -82.1MB). Peak memory consumption was 102.3MB. Max. memory is 16.1GB. * TraceAbstraction took 5038.91ms. Allocated memory was 264.2MB in the beginning and 318.8MB in the end (delta: 54.5MB). Free memory was 163.5MB in the beginning and 135.6MB in the end (delta: 27.9MB). Peak memory consumption was 82.4MB. Max. memory is 16.1GB. * Witness Printer took 4.60ms. Allocated memory is still 318.8MB. Free memory is still 135.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 1486. Possible FailurePath: [L20] int current_execution_context; [L31] int (* _ddv_module_init)(void); [L32] void (* _ddv_module_exit)(void); [L232] unsigned long jiffies; [L1476] char _ddv_module_author[] = "Fernando Fuganti "; [L1477] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1478] char _ddv_module_license[] = "GPL"; [L1480] static int nowayout = 0; [L1481] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L1485-L1489] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1490] static int action = 0; [L1491] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1493] static int zf_action = 0x0800; [L1494] static unsigned long zf_is_open; [L1495] static char zf_expect_close; [L1496] static spinlock_t zf_lock; [L1497] static spinlock_t zf_port_lock; [L1498] static struct timer_list zf_timer; [L1499] static unsigned long next_heartbeat = 0; [L1745-L1752] static const struct file_operations zf_fops = { .owner = ((struct module *) 0), .llseek = no_llseek, .write = zf_write, .ioctl = zf_ioctl, .open = zf_open, .release = zf_close, }; [L1754-L1758] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L1765-L1767] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1847] int (* _ddv_tmp_init)(void) = zf_init; [L1848] void (* _ddv_tmp_exit)(void) = zf_exit; [L1899] struct cdev fixed_cdev[1]; [L1900] int fixed_cdev_used = 0; [L1902] short number_cdev_registered = 0; [L1913] struct ddv_cdev cdev_registered[1]; [L2450] short number_genhd_registered = 0; [L2451] short number_fixed_genhd_used = 0; [L2462] struct gendisk fixed_gendisk[10]; [L2463] struct ddv_genhd genhd_registered[10]; [L2613] struct ddv_pci_driver registered_pci_driver; [L2624] struct registered_irq registered_irq[16]; [L2634] short number_tasklet_registered = 0; [L2641] struct ddv_tasklet tasklet_registered[1]; [L2651] short number_timer_registered = 0; [L2657] struct ddv_timer timer_registered[1]; [L2667] struct work_struct *shared_workqueue[10]; [L2677] spinlock_t kernel_lock; [L3363] request_queue_t fixed_request_queue[10]; [L3365] int number_request_queue_used = 0; [L3449] struct proc_dir_entry *proc_root_driver; [L3759] struct ddv_tty_driver global_tty_driver; [L3938] int ddv_ioport_request_start; [L3939] int ddv_ioport_request_len; VAL [={0:0}, ={0:0}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L1852] _ddv_module_init = zf_init [L1853] _ddv_module_exit = zf_exit [L1854] CALL call_ddv() [L2741] int err; [L2743] current_execution_context = 1 [L2745] CALL init_kernel() [L2681] int i; VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2683] CALL spin_lock_init(&kernel_lock) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L4198] lock->init = 1 [L4199] lock->locked = 0 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, lock={56:0}, lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2683] RET spin_lock_init(&kernel_lock) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i = 0 VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=0, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=0, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=1, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=1, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=2, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=2, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=3, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=3, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=4, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=4, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=5, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=5, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=6, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=6, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=7, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=7, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=8, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=8, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=9, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=9, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=10, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND FALSE !(i < 10) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=10, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2689] i = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=0, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2689] COND TRUE i < 1 [L2690] tasklet_registered[i].tasklet = ((void *)0) [L2691] tasklet_registered[i].is_running = 0 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=0, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2689] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=1, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2689] COND FALSE !(i < 1) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=1, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2745] RET init_kernel() [L2747] CALL (* _ddv_module_init)() [L1778] int ret; VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L1780] CALL printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, fmt={21:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L4525] return 0; VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \result=0, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, fmt={21:0}, fmt={21:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L1780] RET printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n")=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L1782] CALL zf_readw(0x02) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L1471] CALL outb(port, 0x218) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, \old(byte)=2, \old(port)=536, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L3978] CALL __VERIFIER_assert(port >= ddv_ioport_request_start && port < ddv_ioport_request_start + ddv_ioport_request_len, "I/O port is requested") VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, \old(expression)=0, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, x={28:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L12] COND TRUE !expression VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, \old(expression)=0, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, expression=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, x={28:0}, x={28:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L12] reach_error() VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, \old(expression)=0, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, expression=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, x={28:0}, x={28:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 360 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.9s, OverallIterations: 4, TraceHistogramMax: 10, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1059 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 956 mSDsluCounter, 3732 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2545 mSDsCounter, 305 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1403 IncrementalHoareTripleChecker+Invalid, 1708 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 305 mSolverCounterUnsat, 1187 mSDtfsCounter, 1403 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 146 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=366occurred in iteration=3, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 28 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 194 NumberOfCodeBlocks, 194 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 203 ConstructedInterpolants, 0 QuantifiedInterpolants, 304 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1813 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 6/57 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-02-16 00:53:33,477 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_all.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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 a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd --- Real Ultimate output --- This is Ultimate 0.2.2-?-b5317da-m [2023-02-16 00:53:35,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-16 00:53:35,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-16 00:53:35,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-16 00:53:35,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-16 00:53:35,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-16 00:53:35,526 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-16 00:53:35,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-16 00:53:35,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-16 00:53:35,529 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-16 00:53:35,530 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-16 00:53:35,531 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-16 00:53:35,531 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-16 00:53:35,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-16 00:53:35,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-16 00:53:35,534 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-16 00:53:35,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-16 00:53:35,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-16 00:53:35,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-16 00:53:35,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-16 00:53:35,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-16 00:53:35,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-16 00:53:35,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-16 00:53:35,541 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-16 00:53:35,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-16 00:53:35,543 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-16 00:53:35,544 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-16 00:53:35,544 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-16 00:53:35,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-16 00:53:35,545 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-16 00:53:35,546 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-16 00:53:35,546 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-16 00:53:35,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-16 00:53:35,547 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-16 00:53:35,548 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-16 00:53:35,548 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-16 00:53:35,549 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-16 00:53:35,549 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-16 00:53:35,549 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-16 00:53:35,550 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-16 00:53:35,550 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-16 00:53:35,551 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-02-16 00:53:35,579 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-16 00:53:35,580 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-16 00:53:35,582 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-16 00:53:35,582 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-16 00:53:35,582 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-16 00:53:35,582 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-16 00:53:35,583 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-16 00:53:35,584 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-16 00:53:35,584 INFO L138 SettingsManager]: * Use SBE=true [2023-02-16 00:53:35,584 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-16 00:53:35,584 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-16 00:53:35,585 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-16 00:53:35,585 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-16 00:53:35,585 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-16 00:53:35,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-16 00:53:35,585 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-16 00:53:35,585 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-16 00:53:35,586 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-02-16 00:53:35,586 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-02-16 00:53:35,586 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-16 00:53:35,586 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-16 00:53:35,586 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-16 00:53:35,586 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-16 00:53:35,586 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-16 00:53:35,587 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-16 00:53:35,587 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-16 00:53:35,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-16 00:53:35,587 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-16 00:53:35,587 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-16 00:53:35,587 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-16 00:53:35,587 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-02-16 00:53:35,588 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-02-16 00:53:35,588 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-16 00:53:35,588 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-16 00:53:35,588 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-16 00:53:35,588 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-16 00:53:35,588 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-02-16 00:53:35,589 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-16 00:53:35,589 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd [2023-02-16 00:53:35,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-16 00:53:35,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-16 00:53:35,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-16 00:53:35,891 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-16 00:53:35,891 INFO L275 PluginConnector]: CDTParser initialized [2023-02-16 00:53:35,892 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2023-02-16 00:53:36,913 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-16 00:53:37,213 INFO L351 CDTParser]: Found 1 translation units. [2023-02-16 00:53:37,214 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2023-02-16 00:53:37,238 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34332fa59/20d73b316d754cbd990d963b7f5e5aa9/FLAG11c7d9dd5 [2023-02-16 00:53:37,456 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34332fa59/20d73b316d754cbd990d963b7f5e5aa9 [2023-02-16 00:53:37,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-16 00:53:37,459 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-16 00:53:37,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-16 00:53:37,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-16 00:53:37,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-16 00:53:37,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 12:53:37" (1/1) ... [2023-02-16 00:53:37,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66b959fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:37, skipping insertion in model container [2023-02-16 00:53:37,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 12:53:37" (1/1) ... [2023-02-16 00:53:37,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-16 00:53:37,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-16 00:53:37,643 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_all.i[452,465] [2023-02-16 00:53:38,142 WARN L623 FunctionHandler]: Unknown extern function misc_register [2023-02-16 00:53:38,143 WARN L623 FunctionHandler]: Unknown extern function register_reboot_notifier [2023-02-16 00:53:38,146 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-16 00:53:38,147 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-16 00:53:38,148 WARN L623 FunctionHandler]: Unknown extern function unregister_reboot_notifier [2023-02-16 00:53:38,280 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_sector_t [2023-02-16 00:53:38,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 00:53:38,432 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-02-16 00:53:38,444 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-16 00:53:38,450 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_all.i[452,465] [2023-02-16 00:53:38,489 WARN L623 FunctionHandler]: Unknown extern function misc_register [2023-02-16 00:53:38,489 WARN L623 FunctionHandler]: Unknown extern function register_reboot_notifier [2023-02-16 00:53:38,491 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-16 00:53:38,492 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-16 00:53:38,492 WARN L623 FunctionHandler]: Unknown extern function unregister_reboot_notifier [2023-02-16 00:53:38,517 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_sector_t [2023-02-16 00:53:38,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 00:53:38,599 INFO L203 MainTranslator]: Completed pre-run [2023-02-16 00:53:38,606 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_all.i[452,465] [2023-02-16 00:53:38,647 WARN L623 FunctionHandler]: Unknown extern function misc_register [2023-02-16 00:53:38,648 WARN L623 FunctionHandler]: Unknown extern function register_reboot_notifier [2023-02-16 00:53:38,649 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-16 00:53:38,650 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-16 00:53:38,650 WARN L623 FunctionHandler]: Unknown extern function unregister_reboot_notifier [2023-02-16 00:53:38,666 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_sector_t [2023-02-16 00:53:38,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 00:53:38,830 INFO L208 MainTranslator]: Completed translation [2023-02-16 00:53:38,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:38 WrapperNode [2023-02-16 00:53:38,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-16 00:53:38,831 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-16 00:53:38,831 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-16 00:53:38,831 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-16 00:53:38,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:38" (1/1) ... [2023-02-16 00:53:38,889 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:38" (1/1) ... [2023-02-16 00:53:38,947 INFO L138 Inliner]: procedures = 484, calls = 866, calls flagged for inlining = 55, calls inlined = 37, statements flattened = 980 [2023-02-16 00:53:38,954 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-16 00:53:38,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-16 00:53:38,955 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-16 00:53:38,955 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-16 00:53:38,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:38" (1/1) ... [2023-02-16 00:53:38,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:38" (1/1) ... [2023-02-16 00:53:38,973 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:38" (1/1) ... [2023-02-16 00:53:38,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:38" (1/1) ... [2023-02-16 00:53:39,014 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:38" (1/1) ... [2023-02-16 00:53:39,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:38" (1/1) ... [2023-02-16 00:53:39,050 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:38" (1/1) ... [2023-02-16 00:53:39,061 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:38" (1/1) ... [2023-02-16 00:53:39,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-16 00:53:39,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-16 00:53:39,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-16 00:53:39,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-16 00:53:39,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:38" (1/1) ... [2023-02-16 00:53:39,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-16 00:53:39,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 00:53:39,108 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 00:53:39,114 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 00:53:39,136 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2023-02-16 00:53:39,137 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2023-02-16 00:53:39,137 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2023-02-16 00:53:39,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2023-02-16 00:53:39,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-02-16 00:53:39,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2023-02-16 00:53:39,138 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-02-16 00:53:39,138 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-02-16 00:53:39,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-02-16 00:53:39,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-02-16 00:53:39,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-02-16 00:53:39,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-02-16 00:53:39,139 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-02-16 00:53:39,139 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-02-16 00:53:39,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-02-16 00:53:39,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2023-02-16 00:53:39,140 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2023-02-16 00:53:39,140 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2023-02-16 00:53:39,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-02-16 00:53:39,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-02-16 00:53:39,140 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2023-02-16 00:53:39,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2023-02-16 00:53:39,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-02-16 00:53:39,141 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2023-02-16 00:53:39,141 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2023-02-16 00:53:39,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-16 00:53:39,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-02-16 00:53:39,141 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-02-16 00:53:39,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-02-16 00:53:39,142 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2023-02-16 00:53:39,142 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2023-02-16 00:53:39,142 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2023-02-16 00:53:39,142 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2023-02-16 00:53:39,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-16 00:53:39,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-16 00:53:39,142 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2023-02-16 00:53:39,143 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2023-02-16 00:53:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-02-16 00:53:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-02-16 00:53:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-02-16 00:53:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-02-16 00:53:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-02-16 00:53:39,143 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-02-16 00:53:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-02-16 00:53:39,144 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-02-16 00:53:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-02-16 00:53:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-02-16 00:53:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-02-16 00:53:39,144 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-02-16 00:53:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-02-16 00:53:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2023-02-16 00:53:39,145 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2023-02-16 00:53:39,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-02-16 00:53:39,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-02-16 00:53:39,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-02-16 00:53:39,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-02-16 00:53:39,146 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-02-16 00:53:39,146 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-02-16 00:53:39,146 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-02-16 00:53:39,146 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-02-16 00:53:39,146 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-02-16 00:53:39,147 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-02-16 00:53:39,147 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2023-02-16 00:53:39,147 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2023-02-16 00:53:39,147 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2023-02-16 00:53:39,147 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2023-02-16 00:53:39,148 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2023-02-16 00:53:39,148 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2023-02-16 00:53:39,148 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2023-02-16 00:53:39,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2023-02-16 00:53:39,149 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2023-02-16 00:53:39,149 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2023-02-16 00:53:39,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2023-02-16 00:53:39,149 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2023-02-16 00:53:39,149 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2023-02-16 00:53:39,149 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-02-16 00:53:39,149 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-02-16 00:53:39,150 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2023-02-16 00:53:39,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2023-02-16 00:53:39,486 INFO L235 CfgBuilder]: Building ICFG [2023-02-16 00:53:39,487 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-16 00:53:43,393 INFO L276 CfgBuilder]: Performing block encoding [2023-02-16 00:53:43,399 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-16 00:53:43,400 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2023-02-16 00:53:43,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 12:53:43 BoogieIcfgContainer [2023-02-16 00:53:43,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-16 00:53:43,413 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-16 00:53:43,414 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-16 00:53:43,416 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-16 00:53:43,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 12:53:37" (1/3) ... [2023-02-16 00:53:43,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@614aee22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 12:53:43, skipping insertion in model container [2023-02-16 00:53:43,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 12:53:38" (2/3) ... [2023-02-16 00:53:43,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@614aee22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 12:53:43, skipping insertion in model container [2023-02-16 00:53:43,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 12:53:43" (3/3) ... [2023-02-16 00:53:43,418 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_all.i [2023-02-16 00:53:43,429 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-16 00:53:43,429 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-16 00:53:43,472 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-16 00:53:43,482 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6a9e9a5a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-16 00:53:43,482 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-16 00:53:43,487 INFO L276 IsEmpty]: Start isEmpty. Operand has 356 states, 246 states have (on average 1.3577235772357723) internal successors, (334), 253 states have internal predecessors, (334), 81 states have call successors, (81), 27 states have call predecessors, (81), 27 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2023-02-16 00:53:43,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-02-16 00:53:43,496 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 00:53:43,496 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 00:53:43,497 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-16 00:53:43,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 00:53:43,501 INFO L85 PathProgramCache]: Analyzing trace with hash -833329005, now seen corresponding path program 1 times [2023-02-16 00:53:43,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-16 00:53:43,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1563444032] [2023-02-16 00:53:43,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:53:43,512 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-16 00:53:43,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-16 00:53:43,518 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-16 00:53:43,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-02-16 00:53:43,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:53:43,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 1 conjunts are in the unsatisfiable core [2023-02-16 00:53:43,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 00:53:43,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 00:53:43,920 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-16 00:53:43,920 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-16 00:53:43,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1563444032] [2023-02-16 00:53:43,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1563444032] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 00:53:43,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 00:53:43,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-16 00:53:43,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094559349] [2023-02-16 00:53:43,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 00:53:43,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-02-16 00:53:43,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-16 00:53:43,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-02-16 00:53:43,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-16 00:53:43,944 INFO L87 Difference]: Start difference. First operand has 356 states, 246 states have (on average 1.3577235772357723) internal successors, (334), 253 states have internal predecessors, (334), 81 states have call successors, (81), 27 states have call predecessors, (81), 27 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-02-16 00:53:43,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 00:53:43,988 INFO L93 Difference]: Finished difference Result 706 states and 1027 transitions. [2023-02-16 00:53:43,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-02-16 00:53:43,990 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2023-02-16 00:53:43,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 00:53:43,998 INFO L225 Difference]: With dead ends: 706 [2023-02-16 00:53:43,998 INFO L226 Difference]: Without dead ends: 346 [2023-02-16 00:53:44,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-16 00:53:44,005 INFO L413 NwaCegarLoop]: 490 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 00:53:44,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 00:53:44,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2023-02-16 00:53:44,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 346. [2023-02-16 00:53:44,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 239 states have (on average 1.3389121338912133) internal successors, (320), 246 states have internal predecessors, (320), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2023-02-16 00:53:44,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 477 transitions. [2023-02-16 00:53:44,081 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 477 transitions. Word has length 24 [2023-02-16 00:53:44,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 00:53:44,082 INFO L495 AbstractCegarLoop]: Abstraction has 346 states and 477 transitions. [2023-02-16 00:53:44,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-02-16 00:53:44,082 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 477 transitions. [2023-02-16 00:53:44,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-02-16 00:53:44,083 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 00:53:44,083 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 00:53:44,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-02-16 00:53:44,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-16 00:53:44,296 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-16 00:53:44,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 00:53:44,298 INFO L85 PathProgramCache]: Analyzing trace with hash -818628857, now seen corresponding path program 1 times [2023-02-16 00:53:44,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-16 00:53:44,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [866840344] [2023-02-16 00:53:44,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:53:44,299 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-16 00:53:44,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-16 00:53:44,302 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-16 00:53:44,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-02-16 00:53:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:53:44,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-16 00:53:44,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 00:53:44,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 00:53:44,736 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-16 00:53:44,736 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-16 00:53:44,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [866840344] [2023-02-16 00:53:44,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [866840344] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 00:53:44,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 00:53:44,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-16 00:53:44,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740975249] [2023-02-16 00:53:44,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 00:53:44,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-16 00:53:44,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-16 00:53:44,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-16 00:53:44,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:53:44,739 INFO L87 Difference]: Start difference. First operand 346 states and 477 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-02-16 00:53:44,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 00:53:44,788 INFO L93 Difference]: Finished difference Result 690 states and 952 transitions. [2023-02-16 00:53:44,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-16 00:53:44,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2023-02-16 00:53:44,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 00:53:44,792 INFO L225 Difference]: With dead ends: 690 [2023-02-16 00:53:44,792 INFO L226 Difference]: Without dead ends: 350 [2023-02-16 00:53:44,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-16 00:53:44,794 INFO L413 NwaCegarLoop]: 473 mSDtfsCounter, 2 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 941 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-16 00:53:44,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 941 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-16 00:53:44,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2023-02-16 00:53:44,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 348. [2023-02-16 00:53:44,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 241 states have (on average 1.3360995850622406) internal successors, (322), 248 states have internal predecessors, (322), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2023-02-16 00:53:44,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 479 transitions. [2023-02-16 00:53:44,807 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 479 transitions. Word has length 24 [2023-02-16 00:53:44,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 00:53:44,807 INFO L495 AbstractCegarLoop]: Abstraction has 348 states and 479 transitions. [2023-02-16 00:53:44,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-02-16 00:53:44,807 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 479 transitions. [2023-02-16 00:53:44,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-02-16 00:53:44,808 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 00:53:44,808 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 00:53:44,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-02-16 00:53:45,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-16 00:53:45,019 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-16 00:53:45,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 00:53:45,019 INFO L85 PathProgramCache]: Analyzing trace with hash -174177661, now seen corresponding path program 1 times [2023-02-16 00:53:45,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-16 00:53:45,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1617233134] [2023-02-16 00:53:45,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 00:53:45,020 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-16 00:53:45,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-16 00:53:45,025 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-16 00:53:45,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-02-16 00:53:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 00:53:45,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 596 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-16 00:53:45,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 00:53:45,393 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-16 00:53:45,393 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 00:53:45,430 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-16 00:53:45,431 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-16 00:53:45,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1617233134] [2023-02-16 00:53:45,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1617233134] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 00:53:45,433 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-16 00:53:45,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2023-02-16 00:53:45,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350128398] [2023-02-16 00:53:45,434 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-16 00:53:45,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-16 00:53:45,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-16 00:53:45,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-16 00:53:45,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-02-16 00:53:45,435 INFO L87 Difference]: Start difference. First operand 348 states and 479 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-16 00:53:45,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 00:53:45,593 INFO L93 Difference]: Finished difference Result 695 states and 958 transitions. [2023-02-16 00:53:45,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-16 00:53:45,594 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2023-02-16 00:53:45,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 00:53:45,595 INFO L225 Difference]: With dead ends: 695 [2023-02-16 00:53:45,596 INFO L226 Difference]: Without dead ends: 354 [2023-02-16 00:53:45,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2023-02-16 00:53:45,597 INFO L413 NwaCegarLoop]: 472 mSDtfsCounter, 171 mSDsluCounter, 989 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 1461 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-16 00:53:45,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 1461 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-16 00:53:45,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2023-02-16 00:53:45,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2023-02-16 00:53:45,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 247 states have (on average 1.3238866396761133) internal successors, (327), 254 states have internal predecessors, (327), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2023-02-16 00:53:45,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 484 transitions. [2023-02-16 00:53:45,610 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 484 transitions. Word has length 28 [2023-02-16 00:53:45,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 00:53:45,611 INFO L495 AbstractCegarLoop]: Abstraction has 354 states and 484 transitions. [2023-02-16 00:53:45,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-16 00:53:45,611 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 484 transitions. [2023-02-16 00:53:45,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-02-16 00:53:45,612 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 00:53:45,612 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 00:53:45,624 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-02-16 00:53:45,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-16 00:53:45,823 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-16 00:53:45,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 00:53:45,823 INFO L85 PathProgramCache]: Analyzing trace with hash 454711261, now seen corresponding path program 2 times [2023-02-16 00:53:45,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-16 00:53:45,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2081766625] [2023-02-16 00:53:45,825 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-16 00:53:45,825 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-16 00:53:45,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-16 00:53:45,826 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-16 00:53:45,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-02-16 00:53:46,302 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-16 00:53:46,303 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-16 00:53:46,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-16 00:53:46,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 00:53:46,374 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-16 00:53:46,374 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-16 00:53:46,475 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-16 00:53:46,475 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-16 00:53:46,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2081766625] [2023-02-16 00:53:46,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2081766625] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-16 00:53:46,475 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-16 00:53:46,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2023-02-16 00:53:46,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900316346] [2023-02-16 00:53:46,476 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-16 00:53:46,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-16 00:53:46,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-16 00:53:46,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-16 00:53:46,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-02-16 00:53:46,477 INFO L87 Difference]: Start difference. First operand 354 states and 484 transitions. Second operand has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-16 00:53:46,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 00:53:46,838 INFO L93 Difference]: Finished difference Result 707 states and 971 transitions. [2023-02-16 00:53:46,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-02-16 00:53:46,838 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 34 [2023-02-16 00:53:46,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-16 00:53:46,840 INFO L225 Difference]: With dead ends: 707 [2023-02-16 00:53:46,840 INFO L226 Difference]: Without dead ends: 366 [2023-02-16 00:53:46,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2023-02-16 00:53:46,841 INFO L413 NwaCegarLoop]: 472 mSDtfsCounter, 339 mSDsluCounter, 2581 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 3053 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-16 00:53:46,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 3053 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-16 00:53:46,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2023-02-16 00:53:46,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2023-02-16 00:53:46,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 259 states have (on average 1.308880308880309) internal successors, (339), 266 states have internal predecessors, (339), 79 states have call successors, (79), 27 states have call predecessors, (79), 27 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2023-02-16 00:53:46,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 496 transitions. [2023-02-16 00:53:46,853 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 496 transitions. Word has length 34 [2023-02-16 00:53:46,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-16 00:53:46,853 INFO L495 AbstractCegarLoop]: Abstraction has 366 states and 496 transitions. [2023-02-16 00:53:46,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-16 00:53:46,853 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 496 transitions. [2023-02-16 00:53:46,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-02-16 00:53:46,854 INFO L187 NwaCegarLoop]: Found error trace [2023-02-16 00:53:46,854 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 00:53:46,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-02-16 00:53:47,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-16 00:53:47,078 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-16 00:53:47,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 00:53:47,078 INFO L85 PathProgramCache]: Analyzing trace with hash 343433233, now seen corresponding path program 3 times [2023-02-16 00:53:47,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-16 00:53:47,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1108297234] [2023-02-16 00:53:47,079 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-16 00:53:47,079 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-16 00:53:47,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-16 00:53:47,080 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-02-16 00:53:47,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-02-16 00:53:48,267 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-02-16 00:53:48,268 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2023-02-16 00:53:48,268 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 00:53:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 00:53:48,699 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-02-16 00:53:48,699 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-02-16 00:53:48,700 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-02-16 00:53:48,755 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-02-16 00:53:48,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-02-16 00:53:48,955 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2023-02-16 00:53:48,957 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-16 00:53:49,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 12:53:49 BoogieIcfgContainer [2023-02-16 00:53:49,049 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-16 00:53:49,050 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-16 00:53:49,050 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-16 00:53:49,050 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-16 00:53:49,050 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 12:53:43" (3/4) ... [2023-02-16 00:53:49,052 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-02-16 00:53:49,053 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-16 00:53:49,053 INFO L158 Benchmark]: Toolchain (without parser) took 11593.73ms. Allocated memory was 71.3MB in the beginning and 241.2MB in the end (delta: 169.9MB). Free memory was 42.8MB in the beginning and 153.4MB in the end (delta: -110.6MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. [2023-02-16 00:53:49,054 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 58.7MB. Free memory is still 36.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-16 00:53:49,054 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1369.00ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 42.6MB in the beginning and 43.5MB in the end (delta: -942.8kB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. [2023-02-16 00:53:49,054 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.77ms. Allocated memory is still 90.2MB. Free memory was 43.5MB in the beginning and 34.9MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-16 00:53:49,055 INFO L158 Benchmark]: Boogie Preprocessor took 116.49ms. Allocated memory was 90.2MB in the beginning and 121.6MB in the end (delta: 31.5MB). Free memory was 34.9MB in the beginning and 78.2MB in the end (delta: -43.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-02-16 00:53:49,055 INFO L158 Benchmark]: RCFGBuilder took 4329.48ms. Allocated memory was 121.6MB in the beginning and 195.0MB in the end (delta: 73.4MB). Free memory was 78.2MB in the beginning and 68.1MB in the end (delta: 10.1MB). Peak memory consumption was 86.8MB. Max. memory is 16.1GB. [2023-02-16 00:53:49,056 INFO L158 Benchmark]: TraceAbstraction took 5635.77ms. Allocated memory was 195.0MB in the beginning and 241.2MB in the end (delta: 46.1MB). Free memory was 147.7MB in the beginning and 153.4MB in the end (delta: -5.7MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2023-02-16 00:53:49,056 INFO L158 Benchmark]: Witness Printer took 2.91ms. Allocated memory is still 241.2MB. Free memory is still 153.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-16 00:53:49,058 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 58.7MB. Free memory is still 36.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1369.00ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 42.6MB in the beginning and 43.5MB in the end (delta: -942.8kB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.77ms. Allocated memory is still 90.2MB. Free memory was 43.5MB in the beginning and 34.9MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 116.49ms. Allocated memory was 90.2MB in the beginning and 121.6MB in the end (delta: 31.5MB). Free memory was 34.9MB in the beginning and 78.2MB in the end (delta: -43.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 4329.48ms. Allocated memory was 121.6MB in the beginning and 195.0MB in the end (delta: 73.4MB). Free memory was 78.2MB in the beginning and 68.1MB in the end (delta: 10.1MB). Peak memory consumption was 86.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5635.77ms. Allocated memory was 195.0MB in the beginning and 241.2MB in the end (delta: 46.1MB). Free memory was 147.7MB in the beginning and 153.4MB in the end (delta: -5.7MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. * Witness Printer took 2.91ms. Allocated memory is still 241.2MB. Free memory is still 153.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 1476. Possible FailurePath: [L20] int current_execution_context; [L31] int (* _ddv_module_init)(void); [L32] void (* _ddv_module_exit)(void); [L232] unsigned long jiffies; [L1476] char _ddv_module_author[] = "Fernando Fuganti "; [L1477] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1478] char _ddv_module_license[] = "GPL"; [L1480] static int nowayout = 0; [L1481] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L1485-L1489] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1490] static int action = 0; [L1491] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1493] static int zf_action = 0x0800; [L1494] static unsigned long zf_is_open; [L1495] static char zf_expect_close; [L1496] static spinlock_t zf_lock; [L1497] static spinlock_t zf_port_lock; [L1498] static struct timer_list zf_timer; [L1499] static unsigned long next_heartbeat = 0; [L1745-L1752] static const struct file_operations zf_fops = { .owner = ((struct module *) 0), .llseek = no_llseek, .write = zf_write, .ioctl = zf_ioctl, .open = zf_open, .release = zf_close, }; [L1754-L1758] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L1765-L1767] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1847] int (* _ddv_tmp_init)(void) = zf_init; [L1848] void (* _ddv_tmp_exit)(void) = zf_exit; [L1899] struct cdev fixed_cdev[1]; [L1900] int fixed_cdev_used = 0; [L1902] short number_cdev_registered = 0; [L1913] struct ddv_cdev cdev_registered[1]; [L2450] short number_genhd_registered = 0; [L2451] short number_fixed_genhd_used = 0; [L2462] struct gendisk fixed_gendisk[10]; [L2463] struct ddv_genhd genhd_registered[10]; [L2613] struct ddv_pci_driver registered_pci_driver; [L2624] struct registered_irq registered_irq[16]; [L2634] short number_tasklet_registered = 0; [L2641] struct ddv_tasklet tasklet_registered[1]; [L2651] short number_timer_registered = 0; [L2657] struct ddv_timer timer_registered[1]; [L2667] struct work_struct *shared_workqueue[10]; [L2677] spinlock_t kernel_lock; [L3363] request_queue_t fixed_request_queue[10]; [L3365] int number_request_queue_used = 0; [L3449] struct proc_dir_entry *proc_root_driver; [L3759] struct ddv_tty_driver global_tty_driver; [L3938] int ddv_ioport_request_start; [L3939] int ddv_ioport_request_len; VAL [={0:0}, ={-1:8}, ={-1:7}, ={0:0}, action=0, cdev_registered={48:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L1852] _ddv_module_init = zf_init [L1853] _ddv_module_exit = zf_exit [L1854] CALL call_ddv() [L2741] int err; [L2743] current_execution_context = 1 [L2745] CALL init_kernel() [L2681] int i; VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2683] CALL spin_lock_init(&kernel_lock) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L4198] lock->init = 1 [L4199] lock->locked = 0 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, lock={56:0}, lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2683] RET spin_lock_init(&kernel_lock) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i = 0 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=0, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=0, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=1, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=1, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=2, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=2, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=3, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=3, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=4, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=4, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=5, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=5, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=6, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=6, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=7, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=7, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=8, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=8, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=9, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND TRUE i < 10 [L2686] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=9, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=10, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2685] COND FALSE !(i < 10) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=10, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2689] i = 0 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=0, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2689] COND TRUE i < 1 [L2690] tasklet_registered[i].tasklet = ((void *)0) [L2691] tasklet_registered[i].is_running = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=0, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2689] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=1, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2689] COND FALSE !(i < 1) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, i=1, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L2745] RET init_kernel() [L2747] CALL (* _ddv_module_init)() [L1778] int ret; VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L1780] CALL printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, fmt={21:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L4525] return 0; VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, \result=0, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, fmt={21:0}, fmt={21:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L1780] RET printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n")=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L1782] CALL zf_readw(0x02) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L1471] CALL outb(port, 0x218) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, \old(byte)=2, \old(port)=536, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L3978] CALL __VERIFIER_assert(port >= ddv_ioport_request_start && port < ddv_ioport_request_start + ddv_ioport_request_len, "I/O port is requested") VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \old(expression)=0, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, x={28:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L12] COND TRUE !expression VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \old(expression)=0, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, expression=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, x={28:0}, x={28:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] [L12] reach_error() VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \old(expression)=0, action=0, cdev_registered={48:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, expression=0, fixed_cdev={47:0}, fixed_cdev_used=0, fixed_gendisk={49:0}, fixed_request_queue={57:0}, genhd_registered={50:0}, global_tty_driver={58:0}, jiffies=0, kernel_lock={56:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={52:0}, registered_pci_driver={51:0}, shared_workqueue={55:0}, tasklet_registered={53:0}, timer_registered={54:0}, x={28:0}, x={28:0}, zf_action=2048, zf_expect_close=0, zf_fops={44:0}, zf_info={39:0}, zf_is_open={40:0}, zf_lock={41:0}, zf_miscdev={45:0}, zf_notifier={46:0}, zf_port_lock={42:0}, zf_timer={43:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 360 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.5s, OverallIterations: 5, TraceHistogramMax: 10, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 570 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 512 mSDsluCounter, 5945 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4038 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 279 IncrementalHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 1907 mSDtfsCounter, 279 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 171 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=366occurred in iteration=4, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 156 NumberOfCodeBlocks, 156 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 166 ConstructedInterpolants, 0 QuantifiedInterpolants, 236 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2357 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 4/38 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-02-16 00:53:49,084 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: UNKNOWN: Overapproximated counterexample