./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 7e1ff0e6 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-?-7e1ff0e [2023-02-14 22:43:01,744 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-14 22:43:01,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-14 22:43:01,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-14 22:43:01,779 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-14 22:43:01,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-14 22:43:01,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-14 22:43:01,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-14 22:43:01,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-14 22:43:01,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-14 22:43:01,792 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-14 22:43:01,793 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-14 22:43:01,793 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-14 22:43:01,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-14 22:43:01,795 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-14 22:43:01,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-14 22:43:01,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-14 22:43:01,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-14 22:43:01,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-14 22:43:01,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-14 22:43:01,804 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-14 22:43:01,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-14 22:43:01,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-14 22:43:01,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-14 22:43:01,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-14 22:43:01,811 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-14 22:43:01,811 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-14 22:43:01,812 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-14 22:43:01,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-14 22:43:01,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-14 22:43:01,813 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-14 22:43:01,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-14 22:43:01,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-14 22:43:01,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-14 22:43:01,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-14 22:43:01,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-14 22:43:01,817 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-14 22:43:01,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-14 22:43:01,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-14 22:43:01,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-14 22:43:01,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-14 22:43:01,821 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-14 22:43:01,850 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-14 22:43:01,850 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-14 22:43:01,850 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-14 22:43:01,850 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-14 22:43:01,851 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-14 22:43:01,851 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-14 22:43:01,851 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-14 22:43:01,852 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-14 22:43:01,852 INFO L138 SettingsManager]: * Use SBE=true [2023-02-14 22:43:01,852 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-14 22:43:01,852 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-14 22:43:01,852 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-14 22:43:01,852 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-14 22:43:01,852 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-14 22:43:01,853 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-14 22:43:01,853 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-14 22:43:01,853 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-14 22:43:01,853 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-14 22:43:01,853 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-14 22:43:01,853 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-14 22:43:01,853 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-14 22:43:01,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-14 22:43:01,854 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-14 22:43:01,854 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-14 22:43:01,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 22:43:01,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-14 22:43:01,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-14 22:43:01,854 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-14 22:43:01,855 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-14 22:43:01,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-14 22:43:01,855 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-14 22:43:01,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-14 22:43:01,855 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-14 22:43:01,855 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-14 22:43:01,855 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-14 22:43:01,855 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd [2023-02-14 22:43:02,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-14 22:43:02,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-14 22:43:02,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-14 22:43:02,069 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-14 22:43:02,069 INFO L275 PluginConnector]: CDTParser initialized [2023-02-14 22:43:02,070 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2023-02-14 22:43:03,109 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-14 22:43:03,394 INFO L351 CDTParser]: Found 1 translation units. [2023-02-14 22:43:03,395 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2023-02-14 22:43:03,418 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3fe5f7f3/ac4aeb54eeb0452b8c29dfddb813fdc0/FLAGba832869d [2023-02-14 22:43:03,432 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3fe5f7f3/ac4aeb54eeb0452b8c29dfddb813fdc0 [2023-02-14 22:43:03,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-14 22:43:03,435 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-14 22:43:03,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-14 22:43:03,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-14 22:43:03,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-14 22:43:03,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 10:43:03" (1/1) ... [2023-02-14 22:43:03,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57ed2759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:03, skipping insertion in model container [2023-02-14 22:43:03,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 10:43:03" (1/1) ... [2023-02-14 22:43:03,446 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-14 22:43:03,491 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-14 22:43:03,622 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] [2023-02-14 22:43:04,044 WARN L623 FunctionHandler]: Unknown extern function misc_register [2023-02-14 22:43:04,045 WARN L623 FunctionHandler]: Unknown extern function register_reboot_notifier [2023-02-14 22:43:04,046 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-14 22:43:04,047 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-14 22:43:04,047 WARN L623 FunctionHandler]: Unknown extern function unregister_reboot_notifier [2023-02-14 22:43:04,140 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_sector_t [2023-02-14 22:43:04,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 22:43:04,286 INFO L203 MainTranslator]: Completed pre-run [2023-02-14 22:43:04,296 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] [2023-02-14 22:43:04,352 WARN L623 FunctionHandler]: Unknown extern function misc_register [2023-02-14 22:43:04,358 WARN L623 FunctionHandler]: Unknown extern function register_reboot_notifier [2023-02-14 22:43:04,360 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-14 22:43:04,361 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-14 22:43:04,361 WARN L623 FunctionHandler]: Unknown extern function unregister_reboot_notifier [2023-02-14 22:43:04,379 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_sector_t [2023-02-14 22:43:04,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 22:43:04,558 INFO L208 MainTranslator]: Completed translation [2023-02-14 22:43:04,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:04 WrapperNode [2023-02-14 22:43:04,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-14 22:43:04,560 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-14 22:43:04,560 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-14 22:43:04,560 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-14 22:43:04,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:04" (1/1) ... [2023-02-14 22:43:04,620 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:04" (1/1) ... [2023-02-14 22:43:04,665 INFO L138 Inliner]: procedures = 476, calls = 866, calls flagged for inlining = 55, calls inlined = 37, statements flattened = 1023 [2023-02-14 22:43:04,665 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-14 22:43:04,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-14 22:43:04,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-14 22:43:04,666 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-14 22:43:04,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:04" (1/1) ... [2023-02-14 22:43:04,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:04" (1/1) ... [2023-02-14 22:43:04,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:04" (1/1) ... [2023-02-14 22:43:04,679 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:04" (1/1) ... [2023-02-14 22:43:04,699 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:04" (1/1) ... [2023-02-14 22:43:04,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:04" (1/1) ... [2023-02-14 22:43:04,710 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:04" (1/1) ... [2023-02-14 22:43:04,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:04" (1/1) ... [2023-02-14 22:43:04,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-14 22:43:04,760 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-14 22:43:04,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-14 22:43:04,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-14 22:43:04,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:04" (1/1) ... [2023-02-14 22:43:04,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 22:43:04,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 22:43:04,818 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) [2023-02-14 22:43:04,867 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 [2023-02-14 22:43:04,892 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2023-02-14 22:43:04,893 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2023-02-14 22:43:04,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-02-14 22:43:04,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2023-02-14 22:43:04,893 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-02-14 22:43:04,893 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-02-14 22:43:04,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-02-14 22:43:04,893 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-02-14 22:43:04,893 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-02-14 22:43:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-02-14 22:43:04,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2023-02-14 22:43:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2023-02-14 22:43:04,894 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2023-02-14 22:43:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-02-14 22:43:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-02-14 22:43:04,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-02-14 22:43:04,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-02-14 22:43:04,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-02-14 22:43:04,895 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2023-02-14 22:43:04,896 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2023-02-14 22:43:04,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-14 22:43:04,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-02-14 22:43:04,897 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-02-14 22:43:04,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-02-14 22:43:04,897 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2023-02-14 22:43:04,898 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2023-02-14 22:43:04,898 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-02-14 22:43:04,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-02-14 22:43:04,898 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2023-02-14 22:43:04,898 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2023-02-14 22:43:04,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-14 22:43:04,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-14 22:43:04,898 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2023-02-14 22:43:04,899 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2023-02-14 22:43:04,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-02-14 22:43:04,899 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-02-14 22:43:04,899 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-02-14 22:43:04,899 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-02-14 22:43:04,899 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-02-14 22:43:04,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-02-14 22:43:04,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-02-14 22:43:04,900 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-02-14 22:43:04,900 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-02-14 22:43:04,901 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2023-02-14 22:43:04,901 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2023-02-14 22:43:04,901 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-02-14 22:43:04,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-02-14 22:43:04,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-02-14 22:43:04,901 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-02-14 22:43:04,901 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-02-14 22:43:04,902 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-02-14 22:43:04,902 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-02-14 22:43:04,902 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-02-14 22:43:04,902 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-02-14 22:43:04,902 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2023-02-14 22:43:04,902 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2023-02-14 22:43:04,902 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2023-02-14 22:43:04,902 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2023-02-14 22:43:04,903 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2023-02-14 22:43:04,903 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2023-02-14 22:43:04,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-02-14 22:43:04,903 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2023-02-14 22:43:04,903 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2023-02-14 22:43:04,904 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2023-02-14 22:43:04,904 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2023-02-14 22:43:04,904 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-02-14 22:43:04,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-02-14 22:43:04,904 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-02-14 22:43:04,904 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-02-14 22:43:04,904 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-02-14 22:43:04,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-02-14 22:43:04,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-14 22:43:05,232 INFO L235 CfgBuilder]: Building ICFG [2023-02-14 22:43:05,236 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-14 22:43:06,397 INFO L276 CfgBuilder]: Performing block encoding [2023-02-14 22:43:06,402 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-14 22:43:06,403 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2023-02-14 22:43:06,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 10:43:06 BoogieIcfgContainer [2023-02-14 22:43:06,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-14 22:43:06,406 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-14 22:43:06,406 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-14 22:43:06,408 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-14 22:43:06,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.02 10:43:03" (1/3) ... [2023-02-14 22:43:06,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc7e080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 10:43:06, skipping insertion in model container [2023-02-14 22:43:06,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:04" (2/3) ... [2023-02-14 22:43:06,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc7e080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 10:43:06, skipping insertion in model container [2023-02-14 22:43:06,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 10:43:06" (3/3) ... [2023-02-14 22:43:06,410 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_all.i [2023-02-14 22:43:06,421 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-14 22:43:06,421 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-14 22:43:06,455 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-14 22:43:06,459 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;@77809489, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-14 22:43:06,459 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-14 22:43:06,464 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) [2023-02-14 22:43:06,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-02-14 22:43:06,469 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 22:43:06,469 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] [2023-02-14 22:43:06,469 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 22:43:06,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 22:43:06,473 INFO L85 PathProgramCache]: Analyzing trace with hash 31609833, now seen corresponding path program 1 times [2023-02-14 22:43:06,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 22:43:06,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837010582] [2023-02-14 22:43:06,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:43:06,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 22:43:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:43:06,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-14 22:43:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:43:06,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-02-14 22:43:06,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:43:06,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 22:43:06,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 22:43:06,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837010582] [2023-02-14 22:43:06,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837010582] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 22:43:06,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 22:43:06,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-14 22:43:06,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268396238] [2023-02-14 22:43:06,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 22:43:06,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-14 22:43:06,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 22:43:06,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-14 22:43:06,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-14 22:43:06,908 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) [2023-02-14 22:43:07,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 22:43:07,585 INFO L93 Difference]: Finished difference Result 718 states and 1045 transitions. [2023-02-14 22:43:07,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-14 22:43:07,587 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 [2023-02-14 22:43:07,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 22:43:07,597 INFO L225 Difference]: With dead ends: 718 [2023-02-14 22:43:07,597 INFO L226 Difference]: Without dead ends: 358 [2023-02-14 22:43:07,601 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 [2023-02-14 22:43:07,603 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 [2023-02-14 22:43:07,604 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] [2023-02-14 22:43:07,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2023-02-14 22:43:07,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 348. [2023-02-14 22:43:07,648 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) [2023-02-14 22:43:07,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 479 transitions. [2023-02-14 22:43:07,652 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 479 transitions. Word has length 24 [2023-02-14 22:43:07,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 22:43:07,652 INFO L495 AbstractCegarLoop]: Abstraction has 348 states and 479 transitions. [2023-02-14 22:43:07,652 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) [2023-02-14 22:43:07,653 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 479 transitions. [2023-02-14 22:43:07,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-02-14 22:43:07,653 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 22:43:07,653 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] [2023-02-14 22:43:07,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-14 22:43:07,654 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 22:43:07,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 22:43:07,654 INFO L85 PathProgramCache]: Analyzing trace with hash 686477797, now seen corresponding path program 1 times [2023-02-14 22:43:07,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 22:43:07,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070767387] [2023-02-14 22:43:07,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:43:07,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 22:43:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:43:07,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-14 22:43:07,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:43:07,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-02-14 22:43:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:43:07,776 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-14 22:43:07,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 22:43:07,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070767387] [2023-02-14 22:43:07,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070767387] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 22:43:07,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683284216] [2023-02-14 22:43:07,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:43:07,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 22:43:07,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 22:43:07,780 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) [2023-02-14 22:43:07,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-14 22:43:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:43:08,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-14 22:43:08,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 22:43:08,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-14 22:43:08,064 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 22:43:08,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-14 22:43:08,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1683284216] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 22:43:08,087 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 22:43:08,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2023-02-14 22:43:08,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515343546] [2023-02-14 22:43:08,088 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 22:43:08,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-02-14 22:43:08,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 22:43:08,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-02-14 22:43:08,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-02-14 22:43:08,089 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) [2023-02-14 22:43:08,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 22:43:08,805 INFO L93 Difference]: Finished difference Result 704 states and 969 transitions. [2023-02-14 22:43:08,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-14 22:43:08,806 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 [2023-02-14 22:43:08,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 22:43:08,809 INFO L225 Difference]: With dead ends: 704 [2023-02-14 22:43:08,809 INFO L226 Difference]: Without dead ends: 363 [2023-02-14 22:43:08,810 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 [2023-02-14 22:43:08,811 INFO L413 NwaCegarLoop]: 391 mSDtfsCounter, 431 mSDsluCounter, 725 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2023-02-14 22:43:08,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 1116 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-02-14 22:43:08,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2023-02-14 22:43:08,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 354. [2023-02-14 22:43:08,829 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) [2023-02-14 22:43:08,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 485 transitions. [2023-02-14 22:43:08,831 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 485 transitions. Word has length 28 [2023-02-14 22:43:08,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 22:43:08,831 INFO L495 AbstractCegarLoop]: Abstraction has 354 states and 485 transitions. [2023-02-14 22:43:08,831 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) [2023-02-14 22:43:08,832 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 485 transitions. [2023-02-14 22:43:08,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-02-14 22:43:08,832 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 22:43:08,832 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] [2023-02-14 22:43:08,844 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-14 22:43:09,042 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 [2023-02-14 22:43:09,043 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 22:43:09,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 22:43:09,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1877244671, now seen corresponding path program 2 times [2023-02-14 22:43:09,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 22:43:09,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549627722] [2023-02-14 22:43:09,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:43:09,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 22:43:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:43:09,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-02-14 22:43:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:43:09,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-02-14 22:43:09,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:43:09,283 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-14 22:43:09,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 22:43:09,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549627722] [2023-02-14 22:43:09,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549627722] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 22:43:09,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [139017442] [2023-02-14 22:43:09,284 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-14 22:43:09,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 22:43:09,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 22:43:09,285 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) [2023-02-14 22:43:09,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-14 22:43:09,849 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-14 22:43:09,849 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 22:43:09,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 929 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-14 22:43:09,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 22:43:09,883 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-14 22:43:09,884 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 22:43:09,937 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-14 22:43:09,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [139017442] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 22:43:09,938 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 22:43:09,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2023-02-14 22:43:09,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397937203] [2023-02-14 22:43:09,938 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 22:43:09,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-02-14 22:43:09,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 22:43:09,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-02-14 22:43:09,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2023-02-14 22:43:09,940 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) [2023-02-14 22:43:10,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 22:43:10,739 INFO L93 Difference]: Finished difference Result 716 states and 984 transitions. [2023-02-14 22:43:10,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-02-14 22:43:10,740 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 [2023-02-14 22:43:10,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 22:43:10,742 INFO L225 Difference]: With dead ends: 716 [2023-02-14 22:43:10,742 INFO L226 Difference]: Without dead ends: 375 [2023-02-14 22:43:10,743 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 [2023-02-14 22:43:10,744 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 [2023-02-14 22:43:10,744 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] [2023-02-14 22:43:10,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2023-02-14 22:43:10,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 366. [2023-02-14 22:43:10,756 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) [2023-02-14 22:43:10,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 497 transitions. [2023-02-14 22:43:10,758 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 497 transitions. Word has length 34 [2023-02-14 22:43:10,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 22:43:10,759 INFO L495 AbstractCegarLoop]: Abstraction has 366 states and 497 transitions. [2023-02-14 22:43:10,759 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) [2023-02-14 22:43:10,759 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 497 transitions. [2023-02-14 22:43:10,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-02-14 22:43:10,760 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 22:43:10,760 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] [2023-02-14 22:43:10,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-14 22:43:10,967 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 [2023-02-14 22:43:10,968 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 22:43:10,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 22:43:10,969 INFO L85 PathProgramCache]: Analyzing trace with hash -2035270989, now seen corresponding path program 3 times [2023-02-14 22:43:10,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 22:43:10,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938539661] [2023-02-14 22:43:10,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:43:10,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 22:43:11,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 22:43:11,093 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-14 22:43:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 22:43:11,161 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-14 22:43:11,162 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-02-14 22:43:11,162 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-02-14 22:43:11,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-14 22:43:11,166 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1] [2023-02-14 22:43:11,168 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-14 22:43:11,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.02 10:43:11 BoogieIcfgContainer [2023-02-14 22:43:11,244 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-14 22:43:11,244 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-14 22:43:11,245 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-14 22:43:11,245 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-14 22:43:11,245 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 10:43:06" (3/4) ... [2023-02-14 22:43:11,247 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-02-14 22:43:11,247 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-14 22:43:11,248 INFO L158 Benchmark]: Toolchain (without parser) took 7812.16ms. Allocated memory was 138.4MB in the beginning and 308.3MB in the end (delta: 169.9MB). Free memory was 102.9MB in the beginning and 139.0MB in the end (delta: -36.2MB). Peak memory consumption was 133.5MB. Max. memory is 16.1GB. [2023-02-14 22:43:11,248 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 138.4MB. Free memory was 114.4MB in the beginning and 114.3MB in the end (delta: 72.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 22:43:11,248 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1123.46ms. Allocated memory is still 138.4MB. Free memory was 102.9MB in the beginning and 62.5MB in the end (delta: 40.4MB). Peak memory consumption was 70.6MB. Max. memory is 16.1GB. [2023-02-14 22:43:11,248 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.18ms. Allocated memory is still 138.4MB. Free memory was 62.5MB in the beginning and 52.8MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-14 22:43:11,249 INFO L158 Benchmark]: Boogie Preprocessor took 94.17ms. Allocated memory is still 138.4MB. Free memory was 52.8MB in the beginning and 93.3MB in the end (delta: -40.5MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2023-02-14 22:43:11,249 INFO L158 Benchmark]: RCFGBuilder took 1644.24ms. Allocated memory was 138.4MB in the beginning and 237.0MB in the end (delta: 98.6MB). Free memory was 93.3MB in the beginning and 133.8MB in the end (delta: -40.5MB). Peak memory consumption was 126.6MB. Max. memory is 16.1GB. [2023-02-14 22:43:11,249 INFO L158 Benchmark]: TraceAbstraction took 4838.19ms. Allocated memory was 237.0MB in the beginning and 308.3MB in the end (delta: 71.3MB). Free memory was 133.8MB in the beginning and 139.0MB in the end (delta: -5.2MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2023-02-14 22:43:11,249 INFO L158 Benchmark]: Witness Printer took 2.69ms. Allocated memory is still 308.3MB. Free memory is still 139.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 22:43:11,251 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 138.4MB. Free memory was 114.4MB in the beginning and 114.3MB in the end (delta: 72.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1123.46ms. Allocated memory is still 138.4MB. Free memory was 102.9MB in the beginning and 62.5MB in the end (delta: 40.4MB). Peak memory consumption was 70.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.18ms. Allocated memory is still 138.4MB. Free memory was 62.5MB in the beginning and 52.8MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.17ms. Allocated memory is still 138.4MB. Free memory was 52.8MB in the beginning and 93.3MB in the end (delta: -40.5MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * RCFGBuilder took 1644.24ms. Allocated memory was 138.4MB in the beginning and 237.0MB in the end (delta: 98.6MB). Free memory was 93.3MB in the beginning and 133.8MB in the end (delta: -40.5MB). Peak memory consumption was 126.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4838.19ms. Allocated memory was 237.0MB in the beginning and 308.3MB in the end (delta: 71.3MB). Free memory was 133.8MB in the beginning and 139.0MB in the end (delta: -5.2MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Witness Printer took 2.69ms. Allocated memory is still 308.3MB. Free memory is still 139.0MB. 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}, ={-1:7}, ={-1:8}, ={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 [={-1:8}, ={-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}] [L2683] CALL spin_lock_init(&kernel_lock) 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}, 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}, ={-1:7}, ={-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}, ={-1:8}, ={-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}] [L2685] 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}] [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=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}, ={-1:7}, ={-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}] [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=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 [={-1:7}, ={-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=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}, ={-1:8}, ={-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=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 [={-1:8}, ={-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=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}, ={-1:7}, ={-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 [={-1:7}, ={-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=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}, ={-1:7}, ={-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=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}, ={-1:8}, ={-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=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}, ={-1:7}, ={-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=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 [={-1:7}, ={-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] 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=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}, ={-1:8}, ={-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=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}, ={-1:8}, ={-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] 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=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}, ={-1:8}, ={-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=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}, ={-1:8}, ={-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] 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 [={-1:8}, ={-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}, ={-1:8}, ={-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}, 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 [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \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 [={-1:7}, ={-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, 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}, ={-1:7}, ={-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}, ={-1:7}, ={-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, 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 [={-1:7}, ={-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: 4.7s, OverallIterations: 4, TraceHistogramMax: 10, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1059 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 956 mSDsluCounter, 3732 SdHoareTripleChecker+Invalid, 1.7s 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 [2023-02-14 22:43:11,274 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-?-7e1ff0e [2023-02-14 22:43:13,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-14 22:43:13,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-14 22:43:13,291 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-14 22:43:13,292 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-14 22:43:13,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-14 22:43:13,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-14 22:43:13,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-14 22:43:13,301 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-14 22:43:13,305 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-14 22:43:13,305 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-14 22:43:13,307 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-14 22:43:13,307 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-14 22:43:13,309 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-14 22:43:13,310 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-14 22:43:13,312 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-14 22:43:13,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-14 22:43:13,314 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-14 22:43:13,315 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-14 22:43:13,319 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-14 22:43:13,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-14 22:43:13,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-14 22:43:13,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-14 22:43:13,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-14 22:43:13,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-14 22:43:13,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-14 22:43:13,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-14 22:43:13,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-14 22:43:13,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-14 22:43:13,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-14 22:43:13,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-14 22:43:13,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-14 22:43:13,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-14 22:43:13,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-14 22:43:13,332 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-14 22:43:13,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-14 22:43:13,333 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-14 22:43:13,333 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-14 22:43:13,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-14 22:43:13,334 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-14 22:43:13,335 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-14 22:43:13,338 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-02-14 22:43:13,361 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-14 22:43:13,362 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-14 22:43:13,363 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-14 22:43:13,363 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-14 22:43:13,364 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-14 22:43:13,364 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-14 22:43:13,364 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-14 22:43:13,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-14 22:43:13,365 INFO L138 SettingsManager]: * Use SBE=true [2023-02-14 22:43:13,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-14 22:43:13,366 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-14 22:43:13,366 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-14 22:43:13,366 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-14 22:43:13,366 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-14 22:43:13,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-14 22:43:13,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-14 22:43:13,367 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-14 22:43:13,367 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-02-14 22:43:13,367 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-02-14 22:43:13,367 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-14 22:43:13,367 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-14 22:43:13,368 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-14 22:43:13,368 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-14 22:43:13,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-14 22:43:13,368 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-14 22:43:13,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-14 22:43:13,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 22:43:13,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-14 22:43:13,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-14 22:43:13,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-14 22:43:13,374 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-02-14 22:43:13,374 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-02-14 22:43:13,375 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-14 22:43:13,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-14 22:43:13,375 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-14 22:43:13,375 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-14 22:43:13,375 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-02-14 22:43:13,376 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-14 22:43:13,376 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd [2023-02-14 22:43:13,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-14 22:43:13,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-14 22:43:13,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-14 22:43:13,676 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-14 22:43:13,678 INFO L275 PluginConnector]: CDTParser initialized [2023-02-14 22:43:13,679 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2023-02-14 22:43:14,834 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-14 22:43:15,067 INFO L351 CDTParser]: Found 1 translation units. [2023-02-14 22:43:15,068 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2023-02-14 22:43:15,086 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b6504f73/e6c42222ee824408ba9483c18bb6e87e/FLAG2a0df2e77 [2023-02-14 22:43:15,096 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b6504f73/e6c42222ee824408ba9483c18bb6e87e [2023-02-14 22:43:15,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-14 22:43:15,099 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-14 22:43:15,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-14 22:43:15,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-14 22:43:15,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-14 22:43:15,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 10:43:15" (1/1) ... [2023-02-14 22:43:15,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23d821ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:15, skipping insertion in model container [2023-02-14 22:43:15,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 10:43:15" (1/1) ... [2023-02-14 22:43:15,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-14 22:43:15,166 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-14 22:43:15,286 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] [2023-02-14 22:43:15,719 WARN L623 FunctionHandler]: Unknown extern function misc_register [2023-02-14 22:43:15,721 WARN L623 FunctionHandler]: Unknown extern function register_reboot_notifier [2023-02-14 22:43:15,724 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-14 22:43:15,726 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-14 22:43:15,726 WARN L623 FunctionHandler]: Unknown extern function unregister_reboot_notifier [2023-02-14 22:43:15,826 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_sector_t [2023-02-14 22:43:15,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 22:43:15,934 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-02-14 22:43:15,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-14 22:43:15,965 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] [2023-02-14 22:43:15,999 WARN L623 FunctionHandler]: Unknown extern function misc_register [2023-02-14 22:43:16,000 WARN L623 FunctionHandler]: Unknown extern function register_reboot_notifier [2023-02-14 22:43:16,008 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-14 22:43:16,009 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-14 22:43:16,010 WARN L623 FunctionHandler]: Unknown extern function unregister_reboot_notifier [2023-02-14 22:43:16,043 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_sector_t [2023-02-14 22:43:16,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 22:43:16,126 INFO L203 MainTranslator]: Completed pre-run [2023-02-14 22:43:16,133 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] [2023-02-14 22:43:16,176 WARN L623 FunctionHandler]: Unknown extern function misc_register [2023-02-14 22:43:16,180 WARN L623 FunctionHandler]: Unknown extern function register_reboot_notifier [2023-02-14 22:43:16,182 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-14 22:43:16,182 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2023-02-14 22:43:16,183 WARN L623 FunctionHandler]: Unknown extern function unregister_reboot_notifier [2023-02-14 22:43:16,204 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_sector_t [2023-02-14 22:43:16,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 22:43:16,406 INFO L208 MainTranslator]: Completed translation [2023-02-14 22:43:16,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:16 WrapperNode [2023-02-14 22:43:16,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-14 22:43:16,407 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-14 22:43:16,407 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-14 22:43:16,407 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-14 22:43:16,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:16" (1/1) ... [2023-02-14 22:43:16,471 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:16" (1/1) ... [2023-02-14 22:43:16,516 INFO L138 Inliner]: procedures = 484, calls = 866, calls flagged for inlining = 55, calls inlined = 37, statements flattened = 980 [2023-02-14 22:43:16,516 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-14 22:43:16,517 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-14 22:43:16,517 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-14 22:43:16,517 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-14 22:43:16,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:16" (1/1) ... [2023-02-14 22:43:16,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:16" (1/1) ... [2023-02-14 22:43:16,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:16" (1/1) ... [2023-02-14 22:43:16,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:16" (1/1) ... [2023-02-14 22:43:16,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:16" (1/1) ... [2023-02-14 22:43:16,579 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:16" (1/1) ... [2023-02-14 22:43:16,593 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:16" (1/1) ... [2023-02-14 22:43:16,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:16" (1/1) ... [2023-02-14 22:43:16,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-14 22:43:16,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-14 22:43:16,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-14 22:43:16,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-14 22:43:16,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:16" (1/1) ... [2023-02-14 22:43:16,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 22:43:16,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 22:43:16,656 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) [2023-02-14 22:43:16,693 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2023-02-14 22:43:16,693 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 [2023-02-14 22:43:16,693 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2023-02-14 22:43:16,697 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2023-02-14 22:43:16,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2023-02-14 22:43:16,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-02-14 22:43:16,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2023-02-14 22:43:16,697 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-02-14 22:43:16,697 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-02-14 22:43:16,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-02-14 22:43:16,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-02-14 22:43:16,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-02-14 22:43:16,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-02-14 22:43:16,697 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-02-14 22:43:16,697 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-02-14 22:43:16,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-02-14 22:43:16,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2023-02-14 22:43:16,697 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2023-02-14 22:43:16,697 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2023-02-14 22:43:16,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-02-14 22:43:16,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-02-14 22:43:16,698 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2023-02-14 22:43:16,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2023-02-14 22:43:16,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-02-14 22:43:16,698 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2023-02-14 22:43:16,698 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2023-02-14 22:43:16,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-14 22:43:16,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-02-14 22:43:16,698 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-02-14 22:43:16,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-02-14 22:43:16,698 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2023-02-14 22:43:16,698 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2023-02-14 22:43:16,698 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2023-02-14 22:43:16,698 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2023-02-14 22:43:16,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-14 22:43:16,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-14 22:43:16,698 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2023-02-14 22:43:16,698 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2023-02-14 22:43:16,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-02-14 22:43:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-02-14 22:43:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-02-14 22:43:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-02-14 22:43:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-02-14 22:43:16,699 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-02-14 22:43:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-02-14 22:43:16,699 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-02-14 22:43:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-02-14 22:43:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-02-14 22:43:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-02-14 22:43:16,699 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-02-14 22:43:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-02-14 22:43:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2023-02-14 22:43:16,699 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2023-02-14 22:43:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-02-14 22:43:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-02-14 22:43:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-02-14 22:43:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-02-14 22:43:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-02-14 22:43:16,699 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-02-14 22:43:16,700 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-02-14 22:43:16,700 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-02-14 22:43:16,700 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-02-14 22:43:16,700 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-02-14 22:43:16,700 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2023-02-14 22:43:16,700 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2023-02-14 22:43:16,700 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2023-02-14 22:43:16,700 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2023-02-14 22:43:16,700 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2023-02-14 22:43:16,700 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2023-02-14 22:43:16,700 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2023-02-14 22:43:16,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2023-02-14 22:43:16,700 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2023-02-14 22:43:16,700 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2023-02-14 22:43:16,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2023-02-14 22:43:16,700 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2023-02-14 22:43:16,700 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2023-02-14 22:43:16,700 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-02-14 22:43:16,700 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-02-14 22:43:16,701 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2023-02-14 22:43:16,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2023-02-14 22:43:16,999 INFO L235 CfgBuilder]: Building ICFG [2023-02-14 22:43:17,001 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-14 22:43:20,879 INFO L276 CfgBuilder]: Performing block encoding [2023-02-14 22:43:20,888 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-14 22:43:20,891 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2023-02-14 22:43:20,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 10:43:20 BoogieIcfgContainer [2023-02-14 22:43:20,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-14 22:43:20,911 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-14 22:43:20,911 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-14 22:43:20,913 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-14 22:43:20,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.02 10:43:15" (1/3) ... [2023-02-14 22:43:20,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61516f8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 10:43:20, skipping insertion in model container [2023-02-14 22:43:20,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:43:16" (2/3) ... [2023-02-14 22:43:20,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61516f8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 10:43:20, skipping insertion in model container [2023-02-14 22:43:20,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 10:43:20" (3/3) ... [2023-02-14 22:43:20,915 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_all.i [2023-02-14 22:43:20,927 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-14 22:43:20,927 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-14 22:43:20,960 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-14 22:43:20,964 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;@286ff9ff, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-14 22:43:20,965 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-14 22:43:20,969 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) [2023-02-14 22:43:20,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-02-14 22:43:20,974 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 22:43:20,975 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] [2023-02-14 22:43:20,975 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 22:43:20,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 22:43:20,978 INFO L85 PathProgramCache]: Analyzing trace with hash -833329005, now seen corresponding path program 1 times [2023-02-14 22:43:20,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 22:43:20,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1191912425] [2023-02-14 22:43:20,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:43:20,989 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 [2023-02-14 22:43:20,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 22:43:20,997 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) [2023-02-14 22:43:21,036 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 [2023-02-14 22:43:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:43:21,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 1 conjunts are in the unsatisfiable core [2023-02-14 22:43:21,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 22:43:21,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 22:43:21,433 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-14 22:43:21,433 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 22:43:21,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1191912425] [2023-02-14 22:43:21,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1191912425] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 22:43:21,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 22:43:21,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-14 22:43:21,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573627801] [2023-02-14 22:43:21,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 22:43:21,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-02-14 22:43:21,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 22:43:21,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-02-14 22:43:21,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-14 22:43:21,478 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) [2023-02-14 22:43:21,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 22:43:21,558 INFO L93 Difference]: Finished difference Result 706 states and 1027 transitions. [2023-02-14 22:43:21,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-02-14 22:43:21,560 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 [2023-02-14 22:43:21,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 22:43:21,567 INFO L225 Difference]: With dead ends: 706 [2023-02-14 22:43:21,568 INFO L226 Difference]: Without dead ends: 346 [2023-02-14 22:43:21,573 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 [2023-02-14 22:43:21,575 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 [2023-02-14 22:43:21,575 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] [2023-02-14 22:43:21,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2023-02-14 22:43:21,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 346. [2023-02-14 22:43:21,628 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) [2023-02-14 22:43:21,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 477 transitions. [2023-02-14 22:43:21,632 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 477 transitions. Word has length 24 [2023-02-14 22:43:21,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 22:43:21,633 INFO L495 AbstractCegarLoop]: Abstraction has 346 states and 477 transitions. [2023-02-14 22:43:21,633 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) [2023-02-14 22:43:21,633 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 477 transitions. [2023-02-14 22:43:21,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-02-14 22:43:21,634 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 22:43:21,634 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] [2023-02-14 22:43:21,645 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 [2023-02-14 22:43:21,845 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 [2023-02-14 22:43:21,845 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 22:43:21,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 22:43:21,846 INFO L85 PathProgramCache]: Analyzing trace with hash -818628857, now seen corresponding path program 1 times [2023-02-14 22:43:21,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 22:43:21,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [808010118] [2023-02-14 22:43:21,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:43:21,847 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 [2023-02-14 22:43:21,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 22:43:21,850 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) [2023-02-14 22:43:21,856 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 [2023-02-14 22:43:22,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:43:22,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-14 22:43:22,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 22:43:22,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 22:43:22,279 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-14 22:43:22,279 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 22:43:22,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [808010118] [2023-02-14 22:43:22,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [808010118] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 22:43:22,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 22:43:22,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-14 22:43:22,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112654583] [2023-02-14 22:43:22,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 22:43:22,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 22:43:22,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 22:43:22,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 22:43:22,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 22:43:22,281 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) [2023-02-14 22:43:22,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 22:43:22,328 INFO L93 Difference]: Finished difference Result 690 states and 952 transitions. [2023-02-14 22:43:22,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 22:43:22,330 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 [2023-02-14 22:43:22,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 22:43:22,332 INFO L225 Difference]: With dead ends: 690 [2023-02-14 22:43:22,332 INFO L226 Difference]: Without dead ends: 350 [2023-02-14 22:43:22,333 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 [2023-02-14 22:43:22,334 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 [2023-02-14 22:43:22,334 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] [2023-02-14 22:43:22,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2023-02-14 22:43:22,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 348. [2023-02-14 22:43:22,366 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) [2023-02-14 22:43:22,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 479 transitions. [2023-02-14 22:43:22,369 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 479 transitions. Word has length 24 [2023-02-14 22:43:22,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 22:43:22,370 INFO L495 AbstractCegarLoop]: Abstraction has 348 states and 479 transitions. [2023-02-14 22:43:22,371 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) [2023-02-14 22:43:22,371 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 479 transitions. [2023-02-14 22:43:22,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-02-14 22:43:22,372 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 22:43:22,372 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] [2023-02-14 22:43:22,385 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 [2023-02-14 22:43:22,584 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 [2023-02-14 22:43:22,585 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 22:43:22,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 22:43:22,585 INFO L85 PathProgramCache]: Analyzing trace with hash -174177661, now seen corresponding path program 1 times [2023-02-14 22:43:22,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 22:43:22,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2046914469] [2023-02-14 22:43:22,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:43:22,587 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 [2023-02-14 22:43:22,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 22:43:22,588 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) [2023-02-14 22:43:22,612 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 [2023-02-14 22:43:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 22:43:23,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 596 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-14 22:43:23,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 22:43:23,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-14 22:43:23,044 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 22:43:23,088 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-14 22:43:23,088 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 22:43:23,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2046914469] [2023-02-14 22:43:23,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2046914469] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 22:43:23,089 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-14 22:43:23,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2023-02-14 22:43:23,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374327590] [2023-02-14 22:43:23,093 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-14 22:43:23,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-14 22:43:23,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 22:43:23,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-14 22:43:23,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-02-14 22:43:23,094 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) [2023-02-14 22:43:23,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 22:43:23,260 INFO L93 Difference]: Finished difference Result 695 states and 958 transitions. [2023-02-14 22:43:23,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-14 22:43:23,261 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 [2023-02-14 22:43:23,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 22:43:23,263 INFO L225 Difference]: With dead ends: 695 [2023-02-14 22:43:23,263 INFO L226 Difference]: Without dead ends: 354 [2023-02-14 22:43:23,264 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 [2023-02-14 22:43:23,265 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 [2023-02-14 22:43:23,265 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] [2023-02-14 22:43:23,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2023-02-14 22:43:23,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2023-02-14 22:43:23,284 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) [2023-02-14 22:43:23,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 484 transitions. [2023-02-14 22:43:23,285 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 484 transitions. Word has length 28 [2023-02-14 22:43:23,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 22:43:23,286 INFO L495 AbstractCegarLoop]: Abstraction has 354 states and 484 transitions. [2023-02-14 22:43:23,286 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) [2023-02-14 22:43:23,286 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 484 transitions. [2023-02-14 22:43:23,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-02-14 22:43:23,287 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 22:43:23,287 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] [2023-02-14 22:43:23,300 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 [2023-02-14 22:43:23,498 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 [2023-02-14 22:43:23,498 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 22:43:23,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 22:43:23,499 INFO L85 PathProgramCache]: Analyzing trace with hash 454711261, now seen corresponding path program 2 times [2023-02-14 22:43:23,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 22:43:23,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [29545960] [2023-02-14 22:43:23,500 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-14 22:43:23,500 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 [2023-02-14 22:43:23,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 22:43:23,501 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) [2023-02-14 22:43:23,504 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 [2023-02-14 22:43:23,938 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-14 22:43:23,939 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 22:43:23,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-14 22:43:23,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 22:43:24,011 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-14 22:43:24,012 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 22:43:24,167 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-14 22:43:24,167 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-02-14 22:43:24,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [29545960] [2023-02-14 22:43:24,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [29545960] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 22:43:24,167 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-14 22:43:24,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2023-02-14 22:43:24,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977459113] [2023-02-14 22:43:24,168 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-14 22:43:24,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-14 22:43:24,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-02-14 22:43:24,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-14 22:43:24,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-02-14 22:43:24,169 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) [2023-02-14 22:43:24,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 22:43:24,617 INFO L93 Difference]: Finished difference Result 707 states and 971 transitions. [2023-02-14 22:43:24,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-02-14 22:43:24,618 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 [2023-02-14 22:43:24,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 22:43:24,620 INFO L225 Difference]: With dead ends: 707 [2023-02-14 22:43:24,620 INFO L226 Difference]: Without dead ends: 366 [2023-02-14 22:43:24,621 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 [2023-02-14 22:43:24,622 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, 0.3s IncrementalHoareTripleChecker+Time [2023-02-14 22:43:24,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 3053 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-14 22:43:24,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2023-02-14 22:43:24,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2023-02-14 22:43:24,643 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) [2023-02-14 22:43:24,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 496 transitions. [2023-02-14 22:43:24,645 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 496 transitions. Word has length 34 [2023-02-14 22:43:24,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 22:43:24,646 INFO L495 AbstractCegarLoop]: Abstraction has 366 states and 496 transitions. [2023-02-14 22:43:24,647 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) [2023-02-14 22:43:24,647 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 496 transitions. [2023-02-14 22:43:24,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-02-14 22:43:24,649 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 22:43:24,650 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] [2023-02-14 22:43:24,677 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 [2023-02-14 22:43:24,861 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 [2023-02-14 22:43:24,863 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 22:43:24,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 22:43:24,863 INFO L85 PathProgramCache]: Analyzing trace with hash 343433233, now seen corresponding path program 3 times [2023-02-14 22:43:24,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 22:43:24,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1072987095] [2023-02-14 22:43:24,864 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-14 22:43:24,866 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 [2023-02-14 22:43:24,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 22:43:24,868 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) [2023-02-14 22:43:24,871 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 [2023-02-14 22:43:25,994 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-02-14 22:43:25,994 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2023-02-14 22:43:25,994 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-14 22:43:26,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 22:43:26,287 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-02-14 22:43:26,288 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-02-14 22:43:26,288 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-02-14 22:43:26,327 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 [2023-02-14 22:43:26,527 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 [2023-02-14 22:43:26,529 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2023-02-14 22:43:26,531 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-14 22:43:26,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.02 10:43:26 BoogieIcfgContainer [2023-02-14 22:43:26,648 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-14 22:43:26,648 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-14 22:43:26,648 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-14 22:43:26,648 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-14 22:43:26,648 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 10:43:20" (3/4) ... [2023-02-14 22:43:26,650 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-02-14 22:43:26,650 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-14 22:43:26,651 INFO L158 Benchmark]: Toolchain (without parser) took 11552.08ms. Allocated memory was 62.9MB in the beginning and 239.1MB in the end (delta: 176.2MB). Free memory was 28.0MB in the beginning and 102.4MB in the end (delta: -74.4MB). Peak memory consumption was 102.1MB. Max. memory is 16.1GB. [2023-02-14 22:43:26,651 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 52.4MB. Free memory was 30.3MB in the beginning and 30.2MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 22:43:26,651 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1306.89ms. Allocated memory was 62.9MB in the beginning and 104.9MB in the end (delta: 41.9MB). Free memory was 27.7MB in the beginning and 44.0MB in the end (delta: -16.3MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2023-02-14 22:43:26,651 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.17ms. Allocated memory is still 104.9MB. Free memory was 44.0MB in the beginning and 58.1MB in the end (delta: -14.1MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. [2023-02-14 22:43:26,651 INFO L158 Benchmark]: Boogie Preprocessor took 97.41ms. Allocated memory is still 104.9MB. Free memory was 58.1MB in the beginning and 49.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-14 22:43:26,651 INFO L158 Benchmark]: RCFGBuilder took 4279.28ms. Allocated memory was 104.9MB in the beginning and 239.1MB in the end (delta: 134.2MB). Free memory was 49.7MB in the beginning and 89.5MB in the end (delta: -39.7MB). Peak memory consumption was 95.9MB. Max. memory is 16.1GB. [2023-02-14 22:43:26,652 INFO L158 Benchmark]: TraceAbstraction took 5736.82ms. Allocated memory is still 239.1MB. Free memory was 190.1MB in the beginning and 103.5MB in the end (delta: 86.6MB). Peak memory consumption was 85.5MB. Max. memory is 16.1GB. [2023-02-14 22:43:26,652 INFO L158 Benchmark]: Witness Printer took 2.34ms. Allocated memory is still 239.1MB. Free memory was 103.5MB in the beginning and 102.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-14 22:43:26,653 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 52.4MB. Free memory was 30.3MB in the beginning and 30.2MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1306.89ms. Allocated memory was 62.9MB in the beginning and 104.9MB in the end (delta: 41.9MB). Free memory was 27.7MB in the beginning and 44.0MB in the end (delta: -16.3MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.17ms. Allocated memory is still 104.9MB. Free memory was 44.0MB in the beginning and 58.1MB in the end (delta: -14.1MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.41ms. Allocated memory is still 104.9MB. Free memory was 58.1MB in the beginning and 49.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4279.28ms. Allocated memory was 104.9MB in the beginning and 239.1MB in the end (delta: 134.2MB). Free memory was 49.7MB in the beginning and 89.5MB in the end (delta: -39.7MB). Peak memory consumption was 95.9MB. Max. memory is 16.1GB. * TraceAbstraction took 5736.82ms. Allocated memory is still 239.1MB. Free memory was 190.1MB in the beginning and 103.5MB in the end (delta: 86.6MB). Peak memory consumption was 85.5MB. Max. memory is 16.1GB. * Witness Printer took 2.34ms. Allocated memory is still 239.1MB. Free memory was 103.5MB in the beginning and 102.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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}, ={0:0}, ={-1:8}, ={-1:7}, 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}, ={-1:8}, ={-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}, 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}, ={-1:8}, ={-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}, 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 [={-1:8}, ={-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] 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=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}, ={-1:7}, ={-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=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}, ={-1:8}, ={-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=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}, ={-1:7}, ={-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=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}, ={-1:8}, ={-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] 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 [={-1:8}, ={-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=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}, ={-1:7}, ={-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] 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=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}, ={-1:8}, ={-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] 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=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 [={-1:8}, ={-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] 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 [={-1:7}, ={-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=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}, ={-1:8}, ={-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=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 [={-1:8}, ={-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=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 [={-1:7}, ={-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=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 [={-1:8}, ={-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=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}, ={-1:8}, ={-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}] [L2689] COND FALSE !(i < 1) 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=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}, ={-1:7}, ={-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}] [L1780] CALL printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") 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}, 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 [={-1:7}, ={-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, 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 [={-1:8}, ={-1:8}, ={-1:7}, ={-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}, ={-1:7}, ={-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 [={-1:8}, ={-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}] [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: 5.6s, OverallIterations: 5, TraceHistogramMax: 10, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, 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, 0.4s 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, 0.4s 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 [2023-02-14 22:43:26,687 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