/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:07:16,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:07:16,863 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:07:16,914 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:07:16,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:07:16,919 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:07:16,923 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:07:16,931 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:07:16,933 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:07:16,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:07:16,940 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:07:16,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:07:16,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:07:16,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:07:16,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:07:16,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:07:16,946 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:07:16,947 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:07:16,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:07:16,951 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:07:16,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:07:16,955 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:07:16,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:07:16,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:07:16,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:07:16,977 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:07:16,977 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:07:16,978 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:07:16,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:07:16,979 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:07:16,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:07:16,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:07:16,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:07:16,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:07:16,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:07:16,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:07:16,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:07:16,985 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:07:16,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:07:16,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:07:16,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:07:16,988 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:07:17,015 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:07:17,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:07:17,016 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:07:17,016 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:07:17,017 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:07:17,017 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:07:17,018 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:07:17,018 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:07:17,018 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:07:17,019 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:07:17,019 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:07:17,019 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:07:17,019 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:07:17,019 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:07:17,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:07:17,020 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:07:17,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:07:17,020 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:07:17,020 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:07:17,020 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:07:17,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:07:17,021 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:07:17,021 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:07:17,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:07:17,021 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:07:17,022 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:07:17,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:07:17,022 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:07:17,022 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:07:17,022 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:07:17,023 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:07:17,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:07:17,023 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:07:17,023 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:07:17,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:07:17,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:07:17,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:07:17,415 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:07:17,418 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:07:17,420 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2022-10-15 21:07:17,501 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/490410b8e/3e733dbd46fd40c7913fc30ea124cc1a/FLAG179d99fd7 [2022-10-15 21:07:18,400 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:07:18,401 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2022-10-15 21:07:18,450 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/490410b8e/3e733dbd46fd40c7913fc30ea124cc1a/FLAG179d99fd7 [2022-10-15 21:07:18,914 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/490410b8e/3e733dbd46fd40c7913fc30ea124cc1a [2022-10-15 21:07:18,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:07:18,923 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:07:18,925 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:07:18,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:07:18,929 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:07:18,930 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:07:18" (1/1) ... [2022-10-15 21:07:18,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49d046a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:07:18, skipping insertion in model container [2022-10-15 21:07:18,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:07:18" (1/1) ... [2022-10-15 21:07:18,941 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:07:19,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:07:20,875 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i[129019,129032] [2022-10-15 21:07:21,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:07:21,149 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:07:21,429 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i[129019,129032] [2022-10-15 21:07:21,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:07:21,569 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:07:21,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:07:21 WrapperNode [2022-10-15 21:07:21,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:07:21,571 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:07:21,571 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:07:21,571 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:07:21,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:07:21" (1/1) ... [2022-10-15 21:07:21,651 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:07:21" (1/1) ... [2022-10-15 21:07:21,779 INFO L138 Inliner]: procedures = 176, calls = 745, calls flagged for inlining = 76, calls inlined = 63, statements flattened = 1359 [2022-10-15 21:07:21,780 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:07:21,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:07:21,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:07:21,781 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:07:21,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:07:21" (1/1) ... [2022-10-15 21:07:21,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:07:21" (1/1) ... [2022-10-15 21:07:21,846 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:07:21" (1/1) ... [2022-10-15 21:07:21,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:07:21" (1/1) ... [2022-10-15 21:07:21,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:07:21" (1/1) ... [2022-10-15 21:07:21,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:07:21" (1/1) ... [2022-10-15 21:07:21,966 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:07:21" (1/1) ... [2022-10-15 21:07:21,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:07:21" (1/1) ... [2022-10-15 21:07:22,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:07:22,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:07:22,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:07:22,006 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:07:22,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:07:21" (1/1) ... [2022-10-15 21:07:22,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:07:22,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:07:22,049 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 21:07:22,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:07:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-10-15 21:07:22,140 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-10-15 21:07:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 21:07:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-15 21:07:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-15 21:07:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-10-15 21:07:22,141 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-10-15 21:07:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:07:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-15 21:07:22,143 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-15 21:07:22,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:07:22,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:07:22,143 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:07:22,143 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:07:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-10-15 21:07:22,144 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-10-15 21:07:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-10-15 21:07:22,144 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-10-15 21:07:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2022-10-15 21:07:22,145 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2022-10-15 21:07:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:07:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-15 21:07:22,145 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-15 21:07:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure class_remove_file [2022-10-15 21:07:22,146 INFO L138 BoogieDeclarations]: Found implementation of procedure class_remove_file [2022-10-15 21:07:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-10-15 21:07:22,146 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-10-15 21:07:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-10-15 21:07:22,146 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-10-15 21:07:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:07:22,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:07:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_open_lock_of_phantom_device [2022-10-15 21:07:22,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_open_lock_of_phantom_device [2022-10-15 21:07:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:07:22,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:07:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-10-15 21:07:22,148 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-10-15 21:07:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-10-15 21:07:22,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-10-15 21:07:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:07:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-15 21:07:22,148 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-15 21:07:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-15 21:07:22,149 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-15 21:07:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-10-15 21:07:22,149 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-10-15 21:07:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:07:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_status [2022-10-15 21:07:22,150 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_status [2022-10-15 21:07:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:07:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:07:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_remove [2022-10-15 21:07:22,151 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_remove [2022-10-15 21:07:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_poll [2022-10-15 21:07:22,152 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_poll [2022-10-15 21:07:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:07:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-10-15 21:07:22,153 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-10-15 21:07:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-10-15 21:07:22,154 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-10-15 21:07:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-15 21:07:22,154 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-15 21:07:22,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:07:22,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:07:22,155 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-10-15 21:07:22,155 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-10-15 21:07:22,155 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-15 21:07:22,156 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-15 21:07:22,156 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2022-10-15 21:07:22,157 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2022-10-15 21:07:22,157 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-15 21:07:22,158 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-15 21:07:22,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:07:22,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-15 21:07:22,159 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-15 21:07:22,159 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-15 21:07:22,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:07:22,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:07:22,160 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_ioctl [2022-10-15 21:07:22,160 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_ioctl [2022-10-15 21:07:22,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_phantom_mutex [2022-10-15 21:07:22,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_phantom_mutex [2022-10-15 21:07:22,161 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-15 21:07:22,161 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-15 21:07:22,744 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:07:22,748 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:07:25,065 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:07:25,093 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:07:25,093 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 21:07:25,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:07:25 BoogieIcfgContainer [2022-10-15 21:07:25,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:07:25,106 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:07:25,106 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:07:25,113 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:07:25,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:07:18" (1/3) ... [2022-10-15 21:07:25,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53d163bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:07:25, skipping insertion in model container [2022-10-15 21:07:25,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:07:21" (2/3) ... [2022-10-15 21:07:25,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53d163bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:07:25, skipping insertion in model container [2022-10-15 21:07:25,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:07:25" (3/3) ... [2022-10-15 21:07:25,118 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2022-10-15 21:07:25,147 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:07:25,148 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-10-15 21:07:25,268 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:07:25,277 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=FINITE_AUTOMATA, 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;@14ebbff2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:07:25,278 INFO L358 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2022-10-15 21:07:25,287 INFO L276 IsEmpty]: Start isEmpty. Operand has 616 states, 433 states have (on average 1.374133949191686) internal successors, (595), 469 states have internal predecessors, (595), 130 states have call successors, (130), 34 states have call predecessors, (130), 34 states have return successors, (130), 128 states have call predecessors, (130), 130 states have call successors, (130) [2022-10-15 21:07:25,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-15 21:07:25,298 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:07:25,298 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:07:25,299 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [phantom_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, phantom_removeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-15 21:07:25,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:07:25,306 INFO L85 PathProgramCache]: Analyzing trace with hash 411158550, now seen corresponding path program 1 times [2022-10-15 21:07:25,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:07:25,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081990373] [2022-10-15 21:07:25,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:07:25,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:07:25,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:26,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:07:26,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:07:26,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081990373] [2022-10-15 21:07:26,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081990373] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:07:26,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:07:26,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:07:26,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127046412] [2022-10-15 21:07:26,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:07:26,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:07:26,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:07:26,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:07:26,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:07:26,075 INFO L87 Difference]: Start difference. First operand has 616 states, 433 states have (on average 1.374133949191686) internal successors, (595), 469 states have internal predecessors, (595), 130 states have call successors, (130), 34 states have call predecessors, (130), 34 states have return successors, (130), 128 states have call predecessors, (130), 130 states have call successors, (130) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:07:26,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:07:26,370 INFO L93 Difference]: Finished difference Result 1788 states and 2518 transitions. [2022-10-15 21:07:26,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:07:26,374 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-10-15 21:07:26,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:07:26,405 INFO L225 Difference]: With dead ends: 1788 [2022-10-15 21:07:26,406 INFO L226 Difference]: Without dead ends: 1130 [2022-10-15 21:07:26,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:07:26,426 INFO L413 NwaCegarLoop]: 956 mSDtfsCounter, 783 mSDsluCounter, 793 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 783 SdHoareTripleChecker+Valid, 1749 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:07:26,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [783 Valid, 1749 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:07:26,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1130 states. [2022-10-15 21:07:26,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1130 to 1114. [2022-10-15 21:07:26,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1114 states, 806 states have (on average 1.336228287841191) internal successors, (1077), 837 states have internal predecessors, (1077), 227 states have call successors, (227), 63 states have call predecessors, (227), 63 states have return successors, (227), 223 states have call predecessors, (227), 227 states have call successors, (227) [2022-10-15 21:07:26,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 1531 transitions. [2022-10-15 21:07:26,629 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 1531 transitions. Word has length 11 [2022-10-15 21:07:26,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:07:26,630 INFO L495 AbstractCegarLoop]: Abstraction has 1114 states and 1531 transitions. [2022-10-15 21:07:26,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:07:26,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 1531 transitions. [2022-10-15 21:07:26,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-15 21:07:26,634 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:07:26,635 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:07:26,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:07:26,635 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [phantom_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, phantom_removeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-15 21:07:26,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:07:26,637 INFO L85 PathProgramCache]: Analyzing trace with hash -467663448, now seen corresponding path program 1 times [2022-10-15 21:07:26,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:07:26,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157407149] [2022-10-15 21:07:26,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:07:26,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:07:26,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:26,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:07:26,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:07:26,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157407149] [2022-10-15 21:07:26,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157407149] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:07:26,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:07:26,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:07:26,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864491999] [2022-10-15 21:07:26,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:07:26,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:07:26,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:07:26,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:07:26,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:07:26,807 INFO L87 Difference]: Start difference. First operand 1114 states and 1531 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:07:27,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:07:27,084 INFO L93 Difference]: Finished difference Result 2985 states and 4118 transitions. [2022-10-15 21:07:27,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:07:27,085 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-10-15 21:07:27,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:07:27,107 INFO L225 Difference]: With dead ends: 2985 [2022-10-15 21:07:27,107 INFO L226 Difference]: Without dead ends: 1874 [2022-10-15 21:07:27,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:07:27,118 INFO L413 NwaCegarLoop]: 885 mSDtfsCounter, 552 mSDsluCounter, 768 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 1653 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:07:27,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [552 Valid, 1653 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:07:27,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1874 states. [2022-10-15 21:07:27,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1874 to 1865. [2022-10-15 21:07:27,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1865 states, 1354 states have (on average 1.3397341211225997) internal successors, (1814), 1393 states have internal predecessors, (1814), 385 states have call successors, (385), 108 states have call predecessors, (385), 108 states have return successors, (385), 377 states have call predecessors, (385), 385 states have call successors, (385) [2022-10-15 21:07:27,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1865 states to 1865 states and 2584 transitions. [2022-10-15 21:07:27,323 INFO L78 Accepts]: Start accepts. Automaton has 1865 states and 2584 transitions. Word has length 17 [2022-10-15 21:07:27,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:07:27,324 INFO L495 AbstractCegarLoop]: Abstraction has 1865 states and 2584 transitions. [2022-10-15 21:07:27,325 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:07:27,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 2584 transitions. [2022-10-15 21:07:27,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-15 21:07:27,335 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:07:27,337 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2022-10-15 21:07:27,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:07:27,338 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [phantom_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, phantom_removeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-15 21:07:27,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:07:27,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1043559934, now seen corresponding path program 1 times [2022-10-15 21:07:27,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:07:27,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752022973] [2022-10-15 21:07:27,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:07:27,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:07:27,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:28,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 21:07:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:28,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:07:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:28,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:07:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:28,262 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:07:28,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:07:28,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752022973] [2022-10-15 21:07:28,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752022973] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:07:28,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:07:28,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-15 21:07:28,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180993164] [2022-10-15 21:07:28,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:07:28,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 21:07:28,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:07:28,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 21:07:28,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:07:28,267 INFO L87 Difference]: Start difference. First operand 1865 states and 2584 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-15 21:07:30,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:07:30,616 INFO L93 Difference]: Finished difference Result 3911 states and 5439 transitions. [2022-10-15 21:07:30,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 21:07:30,617 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 41 [2022-10-15 21:07:30,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:07:30,639 INFO L225 Difference]: With dead ends: 3911 [2022-10-15 21:07:30,639 INFO L226 Difference]: Without dead ends: 2049 [2022-10-15 21:07:30,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-10-15 21:07:30,666 INFO L413 NwaCegarLoop]: 925 mSDtfsCounter, 377 mSDsluCounter, 4041 mSDsCounter, 0 mSdLazyCounter, 1209 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 4966 SdHoareTripleChecker+Invalid, 1336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 1209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-10-15 21:07:30,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 4966 Invalid, 1336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 1209 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-10-15 21:07:30,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2049 states. [2022-10-15 21:07:30,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2049 to 1863. [2022-10-15 21:07:30,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1863 states, 1352 states have (on average 1.3387573964497042) internal successors, (1810), 1389 states have internal predecessors, (1810), 385 states have call successors, (385), 108 states have call predecessors, (385), 108 states have return successors, (385), 377 states have call predecessors, (385), 385 states have call successors, (385) [2022-10-15 21:07:30,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1863 states to 1863 states and 2580 transitions. [2022-10-15 21:07:30,861 INFO L78 Accepts]: Start accepts. Automaton has 1863 states and 2580 transitions. Word has length 41 [2022-10-15 21:07:30,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:07:30,862 INFO L495 AbstractCegarLoop]: Abstraction has 1863 states and 2580 transitions. [2022-10-15 21:07:30,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-15 21:07:30,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1863 states and 2580 transitions. [2022-10-15 21:07:30,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-15 21:07:30,868 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:07:30,868 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:07:30,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:07:30,869 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [phantom_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, phantom_removeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-15 21:07:30,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:07:30,870 INFO L85 PathProgramCache]: Analyzing trace with hash -2024488990, now seen corresponding path program 1 times [2022-10-15 21:07:30,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:07:30,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174308290] [2022-10-15 21:07:30,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:07:30,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:07:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:31,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 21:07:31,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:31,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 21:07:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:31,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:07:31,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:31,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 21:07:31,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:31,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-15 21:07:31,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:31,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:07:31,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:07:31,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174308290] [2022-10-15 21:07:31,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174308290] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:07:31,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:07:31,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:07:31,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622001863] [2022-10-15 21:07:31,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:07:31,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:07:31,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:07:31,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:07:31,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:07:31,254 INFO L87 Difference]: Start difference. First operand 1863 states and 2580 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-15 21:07:33,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:07:33,538 INFO L93 Difference]: Finished difference Result 4288 states and 5927 transitions. [2022-10-15 21:07:33,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 21:07:33,539 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 46 [2022-10-15 21:07:33,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:07:33,561 INFO L225 Difference]: With dead ends: 4288 [2022-10-15 21:07:33,561 INFO L226 Difference]: Without dead ends: 2428 [2022-10-15 21:07:33,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:07:33,572 INFO L413 NwaCegarLoop]: 728 mSDtfsCounter, 783 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 1012 mSolverCounterSat, 423 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 856 SdHoareTripleChecker+Valid, 1533 SdHoareTripleChecker+Invalid, 1435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 423 IncrementalHoareTripleChecker+Valid, 1012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-10-15 21:07:33,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [856 Valid, 1533 Invalid, 1435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [423 Valid, 1012 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-10-15 21:07:33,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2428 states. [2022-10-15 21:07:33,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2428 to 2263. [2022-10-15 21:07:33,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2263 states, 1667 states have (on average 1.34373125374925) internal successors, (2240), 1718 states have internal predecessors, (2240), 437 states have call successors, (437), 143 states have call predecessors, (437), 141 states have return successors, (437), 421 states have call predecessors, (437), 437 states have call successors, (437) [2022-10-15 21:07:33,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2263 states to 2263 states and 3114 transitions. [2022-10-15 21:07:33,821 INFO L78 Accepts]: Start accepts. Automaton has 2263 states and 3114 transitions. Word has length 46 [2022-10-15 21:07:33,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:07:33,822 INFO L495 AbstractCegarLoop]: Abstraction has 2263 states and 3114 transitions. [2022-10-15 21:07:33,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-15 21:07:33,822 INFO L276 IsEmpty]: Start isEmpty. Operand 2263 states and 3114 transitions. [2022-10-15 21:07:33,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-15 21:07:33,823 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:07:33,824 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:07:33,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:07:33,824 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [phantom_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, phantom_removeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-15 21:07:33,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:07:33,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1794911211, now seen corresponding path program 1 times [2022-10-15 21:07:33,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:07:33,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29677630] [2022-10-15 21:07:33,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:07:33,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:07:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:34,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 21:07:34,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:34,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:07:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:34,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:07:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:34,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-15 21:07:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:34,128 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-15 21:07:34,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:07:34,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29677630] [2022-10-15 21:07:34,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29677630] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:07:34,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:07:34,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:07:34,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646742316] [2022-10-15 21:07:34,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:07:34,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:07:34,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:07:34,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:07:34,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:07:34,133 INFO L87 Difference]: Start difference. First operand 2263 states and 3114 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-15 21:07:35,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:07:35,649 INFO L93 Difference]: Finished difference Result 4669 states and 6461 transitions. [2022-10-15 21:07:35,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:07:35,650 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 46 [2022-10-15 21:07:35,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:07:35,689 INFO L225 Difference]: With dead ends: 4669 [2022-10-15 21:07:35,689 INFO L226 Difference]: Without dead ends: 4658 [2022-10-15 21:07:35,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:07:35,694 INFO L413 NwaCegarLoop]: 1453 mSDtfsCounter, 778 mSDsluCounter, 1439 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 880 SdHoareTripleChecker+Valid, 2892 SdHoareTripleChecker+Invalid, 711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 199 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:07:35,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [880 Valid, 2892 Invalid, 711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [199 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-15 21:07:35,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4658 states. [2022-10-15 21:07:36,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4658 to 4470. [2022-10-15 21:07:36,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4470 states, 3304 states have (on average 1.340496368038741) internal successors, (4429), 3389 states have internal predecessors, (4429), 870 states have call successors, (870), 282 states have call predecessors, (870), 278 states have return successors, (870), 838 states have call predecessors, (870), 870 states have call successors, (870) [2022-10-15 21:07:36,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4470 states to 4470 states and 6169 transitions. [2022-10-15 21:07:36,094 INFO L78 Accepts]: Start accepts. Automaton has 4470 states and 6169 transitions. Word has length 46 [2022-10-15 21:07:36,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:07:36,095 INFO L495 AbstractCegarLoop]: Abstraction has 4470 states and 6169 transitions. [2022-10-15 21:07:36,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-15 21:07:36,095 INFO L276 IsEmpty]: Start isEmpty. Operand 4470 states and 6169 transitions. [2022-10-15 21:07:36,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-15 21:07:36,096 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:07:36,097 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:07:36,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 21:07:36,097 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [phantom_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, phantom_removeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-10-15 21:07:36,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:07:36,098 INFO L85 PathProgramCache]: Analyzing trace with hash -419628692, now seen corresponding path program 1 times [2022-10-15 21:07:36,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:07:36,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914694540] [2022-10-15 21:07:36,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:07:36,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:07:36,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-15 21:07:36,198 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-15 21:07:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-15 21:07:36,340 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-15 21:07:36,341 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-15 21:07:36,342 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 18 remaining) [2022-10-15 21:07:36,344 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location phantom_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 18 remaining) [2022-10-15 21:07:36,345 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location phantom_removeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 18 remaining) [2022-10-15 21:07:36,345 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 18 remaining) [2022-10-15 21:07:36,345 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 18 remaining) [2022-10-15 21:07:36,346 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 18 remaining) [2022-10-15 21:07:36,346 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 18 remaining) [2022-10-15 21:07:36,346 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 18 remaining) [2022-10-15 21:07:36,346 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 18 remaining) [2022-10-15 21:07:36,346 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 18 remaining) [2022-10-15 21:07:36,347 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 18 remaining) [2022-10-15 21:07:36,347 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 18 remaining) [2022-10-15 21:07:36,347 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 18 remaining) [2022-10-15 21:07:36,347 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 18 remaining) [2022-10-15 21:07:36,348 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 18 remaining) [2022-10-15 21:07:36,348 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 18 remaining) [2022-10-15 21:07:36,348 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 18 remaining) [2022-10-15 21:07:36,348 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 18 remaining) [2022-10-15 21:07:36,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 21:07:36,353 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-10-15 21:07:36,358 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-15 21:07:36,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 09:07:36 BoogieIcfgContainer [2022-10-15 21:07:36,506 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-15 21:07:36,507 INFO L158 Benchmark]: Toolchain (without parser) took 17588.76ms. Allocated memory was 161.5MB in the beginning and 453.0MB in the end (delta: 291.5MB). Free memory was 129.2MB in the beginning and 187.9MB in the end (delta: -58.7MB). Peak memory consumption was 233.7MB. Max. memory is 8.0GB. [2022-10-15 21:07:36,508 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 161.5MB. Free memory is still 133.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-15 21:07:36,508 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2645.30ms. Allocated memory was 161.5MB in the beginning and 229.6MB in the end (delta: 68.2MB). Free memory was 128.8MB in the beginning and 193.5MB in the end (delta: -64.7MB). Peak memory consumption was 81.3MB. Max. memory is 8.0GB. [2022-10-15 21:07:36,512 INFO L158 Benchmark]: Boogie Procedure Inliner took 208.67ms. Allocated memory is still 229.6MB. Free memory was 193.5MB in the beginning and 184.0MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-10-15 21:07:36,512 INFO L158 Benchmark]: Boogie Preprocessor took 220.79ms. Allocated memory is still 229.6MB. Free memory was 184.0MB in the beginning and 172.5MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-10-15 21:07:36,512 INFO L158 Benchmark]: RCFGBuilder took 3097.71ms. Allocated memory is still 229.6MB. Free memory was 172.0MB in the beginning and 131.1MB in the end (delta: 40.9MB). Peak memory consumption was 55.6MB. Max. memory is 8.0GB. [2022-10-15 21:07:36,513 INFO L158 Benchmark]: TraceAbstraction took 11400.94ms. Allocated memory was 229.6MB in the beginning and 453.0MB in the end (delta: 223.3MB). Free memory was 130.5MB in the beginning and 187.9MB in the end (delta: -57.3MB). Peak memory consumption was 166.0MB. Max. memory is 8.0GB. [2022-10-15 21:07:36,515 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 161.5MB. Free memory is still 133.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 2645.30ms. Allocated memory was 161.5MB in the beginning and 229.6MB in the end (delta: 68.2MB). Free memory was 128.8MB in the beginning and 193.5MB in the end (delta: -64.7MB). Peak memory consumption was 81.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 208.67ms. Allocated memory is still 229.6MB. Free memory was 193.5MB in the beginning and 184.0MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 220.79ms. Allocated memory is still 229.6MB. Free memory was 184.0MB in the beginning and 172.5MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * RCFGBuilder took 3097.71ms. Allocated memory is still 229.6MB. Free memory was 172.0MB in the beginning and 131.1MB in the end (delta: 40.9MB). Peak memory consumption was 55.6MB. Max. memory is 8.0GB. * TraceAbstraction took 11400.94ms. Allocated memory was 229.6MB in the beginning and 453.0MB in the end (delta: 223.3MB). Free memory was 130.5MB in the beginning and 187.9MB in the end (delta: -57.3MB). Peak memory consumption was 166.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 4036]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 4013. Possible FailurePath: [L3140] int ldv_state_variable_3 ; [L3141] int ldv_state_variable_1 ; [L3142] int ldv_state_variable_2 ; [L3143] int ref_cnt ; [L3144] int ldv_state_variable_0 ; [L3341-L3344] static struct mutex phantom_mutex = {{1}, {{{{{0U}}, 3735899821U, 4294967295U, 0xffffffffffffffffUL, {0, {0, 0}, "phantom_mutex.wait_lock", 0, 0UL}}}}, {& phantom_mutex.wait_list, & phantom_mutex.wait_list}, 0, 0, (void *)(& phantom_mutex), {0, {0, 0}, "phantom_mutex", 0, 0UL}}; [L3345] static struct class *phantom_class ; [L3346] static int phantom_major ; [L3347] static unsigned char phantom_devices[8U] ; [L3721-L3723] static struct file_operations const phantom_file_ops = {0, & no_llseek, 0, 0, 0, 0, 0, & phantom_poll, & phantom_ioctl, & phantom_compat_ioctl, 0, & phantom_open, 0, & phantom_release, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L3957-L3958] static struct pci_device_id phantom_pci_tbl[2U] = { {4277U, 36944U, 4277U, 36944U, 425984U, 16776960U, 0UL}, {0U, 0U, 0U, 0U, 0U, 0U, 0UL}}; [L3959] struct pci_device_id const __mod_pci_device_table ; [L3960-L3978] static struct pci_driver phantom_pci_driver = {{0, 0}, "phantom", (struct pci_device_id const *)(& phantom_pci_tbl), & phantom_probe, & phantom_remove, & phantom_suspend, 0, 0, & phantom_resume, 0, 0, 0, {0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, {{{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}}; [L3979-L3981] static struct class_attribute_string class_attr_version = {{{"version", 292U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & show_class_attr_string, 0, 0}, (char *)"n0.9.8"}; [L4053] pm_message_t ldvarg11 ; [L4054] struct file *ldvarg7 ; [L4055] unsigned long ldvarg3 ; [L4056] struct pci_device_id *ldvarg12 ; [L4057] int ldv_retval_2 ; [L4058] struct poll_table_struct *ldvarg8 ; [L4059] char *ldvarg1 ; [L4060] int ldv_retval_0 ; [L4061] struct pci_dev *phantom_pci_driver_group0 ; [L4062] int ldv_retval_1 ; [L4064] unsigned int ldvarg10 ; [L4065] unsigned long ldvarg9 ; [L4066] struct class *ldvarg0 ; [L4067] struct file *phantom_file_ops_group2 ; [L4068] int ldvarg5 ; [L4069] loff_t ldvarg6 ; [L4070] int ldv_retval_4 ; [L4071] unsigned int ldvarg4 ; [L4072] struct inode *phantom_file_ops_group1 ; [L4074] int ldv_retval_3 ; [L4075] struct class_attribute *ldvarg2 ; [L4448] static int ldv_mutex_cred_guard_mutex_of_signal_struct ; [L4551] static int ldv_mutex_lock ; [L4653] static int ldv_mutex_mutex_of_device ; [L4755] static int ldv_mutex_open_lock_of_phantom_device ; [L4857] static int ldv_mutex_phantom_mutex ; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, class_attr_version={76:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=0, ldv_mutex_lock=0, ldv_mutex_mutex_of_device=0, ldv_mutex_open_lock_of_phantom_device=0, ldv_mutex_phantom_mutex=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=0, ldvarg11={77:0}, ldvarg12={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4=0, ldvarg5=0, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, phantom_class={0:0}, phantom_devices={72:0}, phantom_file_ops={73:0}, phantom_file_ops_group1={0:0}, phantom_file_ops_group2={0:0}, phantom_major=0, phantom_mutex={71:0}, phantom_pci_driver={75:0}, phantom_pci_driver_group0={0:0}, phantom_pci_tbl={74:0}, ref_cnt=0] [L4077] int tmp ; [L4078] int tmp___0 ; [L4079] int tmp___1 ; [L4080] int tmp___2 ; [L4081] int tmp___3 ; [L4083] CALL ldv_initialize() [L4962] ldv_mutex_cred_guard_mutex_of_signal_struct = 1 [L4963] ldv_mutex_lock = 1 [L4964] ldv_mutex_mutex_of_device = 1 [L4965] ldv_mutex_open_lock_of_phantom_device = 1 [L4966] ldv_mutex_phantom_mutex = 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, class_attr_version={76:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_open_lock_of_phantom_device=1, ldv_mutex_phantom_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=0, ldvarg11={77:0}, ldvarg12={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4=0, ldvarg5=0, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, phantom_class={0:0}, phantom_devices={72:0}, phantom_file_ops={73:0}, phantom_file_ops_group1={0:0}, phantom_file_ops_group2={0:0}, phantom_major=0, phantom_mutex={71:0}, phantom_pci_driver={75:0}, phantom_pci_driver_group0={0:0}, phantom_pci_tbl={74:0}, ref_cnt=0] [L4083] RET ldv_initialize() [L4084] ldv_state_variable_1 = 0 [L4085] ref_cnt = 0 [L4086] ldv_state_variable_0 = 1 [L4087] ldv_state_variable_3 = 0 [L4088] ldv_state_variable_2 = 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, class_attr_version={76:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_open_lock_of_phantom_device=1, ldv_mutex_phantom_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=0, ldvarg11={77:0}, ldvarg12={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4=0, ldvarg5=0, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, phantom_class={0:0}, phantom_devices={72:0}, phantom_file_ops={73:0}, phantom_file_ops_group1={0:0}, phantom_file_ops_group2={0:0}, phantom_major=0, phantom_mutex={71:0}, phantom_pci_driver={75:0}, phantom_pci_driver_group0={0:0}, phantom_pci_tbl={74:0}, ref_cnt=0] [L4090] tmp = __VERIFIER_nondet_int() [L4092] case 0: [L4110] case 1: VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, class_attr_version={76:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_open_lock_of_phantom_device=1, ldv_mutex_phantom_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=0, ldvarg11={77:0}, ldvarg12={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4=0, ldvarg5=0, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, phantom_class={0:0}, phantom_devices={72:0}, phantom_file_ops={73:0}, phantom_file_ops_group1={0:0}, phantom_file_ops_group2={0:0}, phantom_major=0, phantom_mutex={71:0}, phantom_pci_driver={75:0}, phantom_pci_driver_group0={0:0}, phantom_pci_tbl={74:0}, ref_cnt=0, tmp=1] [L4111] COND TRUE ldv_state_variable_0 != 0 [L4112] tmp___1 = __VERIFIER_nondet_int() [L4114] case 0: [L4122] case 1: VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, class_attr_version={76:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_open_lock_of_phantom_device=1, ldv_mutex_phantom_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=0, ldvarg11={77:0}, ldvarg12={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4=0, ldvarg5=0, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, phantom_class={0:0}, phantom_devices={72:0}, phantom_file_ops={73:0}, phantom_file_ops_group1={0:0}, phantom_file_ops_group2={0:0}, phantom_major=0, phantom_mutex={71:0}, phantom_pci_driver={75:0}, phantom_pci_driver_group0={0:0}, phantom_pci_tbl={74:0}, ref_cnt=0, tmp=1, tmp___1=1] [L4123] COND TRUE ldv_state_variable_0 == 1 [L4124] CALL, EXPR phantom_init() [L3983] int retval ; [L3984] dev_t dev ; [L3985] struct lock_class_key __key ; [L3986] struct class *tmp ; [L3987] long tmp___0 ; [L3988] long tmp___1 ; [L3990] CALL, EXPR __class_create(& __this_module, "phantom", & __key) [L4997] CALL, EXPR ldv_malloc(sizeof(struct class)) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967297:4294967296}, class_attr_version={76:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_open_lock_of_phantom_device=1, ldv_mutex_phantom_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=0, ldvarg11={77:0}, ldvarg12={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4=0, ldvarg5=0, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, phantom_class={0:0}, phantom_devices={72:0}, phantom_file_ops={73:0}, phantom_file_ops_group1={0:0}, phantom_file_ops_group2={0:0}, phantom_major=0, phantom_mutex={71:0}, phantom_pci_driver={75:0}, phantom_pci_driver_group0={0:0}, phantom_pci_tbl={74:0}, ref_cnt=0] [L3226] COND FALSE !(__VERIFIER_nondet_int()) [L3231] return ((void *)0); VAL [\old(size)=64, \result={0:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967297:4294967296}, class_attr_version={76:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_open_lock_of_phantom_device=1, ldv_mutex_phantom_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=0, ldvarg11={77:0}, ldvarg12={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4=0, ldvarg5=0, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, phantom_class={0:0}, phantom_devices={72:0}, phantom_file_ops={73:0}, phantom_file_ops_group1={0:0}, phantom_file_ops_group2={0:0}, phantom_major=0, phantom_mutex={71:0}, phantom_pci_driver={75:0}, phantom_pci_driver_group0={0:0}, phantom_pci_tbl={74:0}, ref_cnt=0, size=64] [L4997] RET, EXPR ldv_malloc(sizeof(struct class)) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967297:4294967296}, arg0={4294967297:4294967296}, arg0={4294967297:4294967296}, arg1={58:0}, arg1={58:0}, arg2={79:0}, arg2={79:0}, class_attr_version={76:0}, ldv_malloc(sizeof(struct class))={0:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_open_lock_of_phantom_device=1, ldv_mutex_phantom_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=0, ldvarg11={77:0}, ldvarg12={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4=0, ldvarg5=0, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, phantom_class={0:0}, phantom_devices={72:0}, phantom_file_ops={73:0}, phantom_file_ops_group1={0:0}, phantom_file_ops_group2={0:0}, phantom_major=0, phantom_mutex={71:0}, phantom_pci_driver={75:0}, phantom_pci_driver_group0={0:0}, phantom_pci_tbl={74:0}, ref_cnt=0] [L4997] return ldv_malloc(sizeof(struct class)); [L3990] RET, EXPR __class_create(& __this_module, "phantom", & __key) [L3990] tmp = __class_create(& __this_module, "phantom", & __key) [L3991] phantom_class = tmp VAL [__key={79:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967297:4294967296}, class_attr_version={76:0}, dev={82:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_open_lock_of_phantom_device=1, ldv_mutex_phantom_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=0, ldvarg11={77:0}, ldvarg12={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4=0, ldvarg5=0, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, phantom_class={0:0}, phantom_devices={72:0}, phantom_file_ops={73:0}, phantom_file_ops_group1={0:0}, phantom_file_ops_group2={0:0}, phantom_major=0, phantom_mutex={71:0}, phantom_pci_driver={75:0}, phantom_pci_driver_group0={0:0}, phantom_pci_tbl={74:0}, ref_cnt=0, tmp={0:0}] [L3992] CALL, EXPR IS_ERR((void const *)phantom_class) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967297:4294967296}, class_attr_version={76:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_open_lock_of_phantom_device=1, ldv_mutex_phantom_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=0, ldvarg11={77:0}, ldvarg12={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4=0, ldvarg5=0, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, phantom_class={0:0}, phantom_devices={72:0}, phantom_file_ops={73:0}, phantom_file_ops_group1={0:0}, phantom_file_ops_group2={0:0}, phantom_major=0, phantom_mutex={71:0}, phantom_pci_driver={75:0}, phantom_pci_driver_group0={0:0}, phantom_pci_tbl={74:0}, ptr={0:0}, ref_cnt=0] [L3081] long tmp ; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967297:4294967296}, class_attr_version={76:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_open_lock_of_phantom_device=1, ldv_mutex_phantom_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=0, ldvarg11={77:0}, ldvarg12={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4=0, ldvarg5=0, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, phantom_class={0:0}, phantom_devices={72:0}, phantom_file_ops={73:0}, phantom_file_ops_group1={0:0}, phantom_file_ops_group2={0:0}, phantom_major=0, phantom_mutex={71:0}, phantom_pci_driver={75:0}, phantom_pci_driver_group0={0:0}, phantom_pci_tbl={74:0}, ptr={0:0}, ptr={0:0}, ref_cnt=0] [L3083] CALL, EXPR ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) VAL [\old(c)=0, \old(exp)=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967297:4294967296}, class_attr_version={76:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_open_lock_of_phantom_device=1, ldv_mutex_phantom_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=0, ldvarg11={77:0}, ldvarg12={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4=0, ldvarg5=0, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, phantom_class={0:0}, phantom_devices={72:0}, phantom_file_ops={73:0}, phantom_file_ops_group1={0:0}, phantom_file_ops_group2={0:0}, phantom_major=0, phantom_mutex={71:0}, phantom_pci_driver={75:0}, phantom_pci_driver_group0={0:0}, phantom_pci_tbl={74:0}, ref_cnt=0] [L4438] return (exp); VAL [\old(c)=0, \old(exp)=0, \result=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967297:4294967296}, c=0, class_attr_version={76:0}, exp=0, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_open_lock_of_phantom_device=1, ldv_mutex_phantom_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=0, ldvarg11={77:0}, ldvarg12={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4=0, ldvarg5=0, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, phantom_class={0:0}, phantom_devices={72:0}, phantom_file_ops={73:0}, phantom_file_ops_group1={0:0}, phantom_file_ops_group2={0:0}, phantom_major=0, phantom_mutex={71:0}, phantom_pci_driver={75:0}, phantom_pci_driver_group0={0:0}, phantom_pci_tbl={74:0}, ref_cnt=0] [L3083] RET, EXPR ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967297:4294967296}, class_attr_version={76:0}, ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L)=0, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_open_lock_of_phantom_device=1, ldv_mutex_phantom_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=0, ldvarg11={77:0}, ldvarg12={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4=0, ldvarg5=0, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, phantom_class={0:0}, phantom_devices={72:0}, phantom_file_ops={73:0}, phantom_file_ops_group1={0:0}, phantom_file_ops_group2={0:0}, phantom_major=0, phantom_mutex={71:0}, phantom_pci_driver={75:0}, phantom_pci_driver_group0={0:0}, phantom_pci_tbl={74:0}, ptr={0:0}, ptr={0:0}, ref_cnt=0] [L3083] tmp = ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) [L3084] return (tmp); VAL [\result=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967297:4294967296}, class_attr_version={76:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_open_lock_of_phantom_device=1, ldv_mutex_phantom_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=0, ldvarg11={77:0}, ldvarg12={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4=0, ldvarg5=0, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, phantom_class={0:0}, phantom_devices={72:0}, phantom_file_ops={73:0}, phantom_file_ops_group1={0:0}, phantom_file_ops_group2={0:0}, phantom_major=0, phantom_mutex={71:0}, phantom_pci_driver={75:0}, phantom_pci_driver_group0={0:0}, phantom_pci_tbl={74:0}, ptr={0:0}, ptr={0:0}, ref_cnt=0, tmp=0] [L3992] RET, EXPR IS_ERR((void const *)phantom_class) VAL [__key={79:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967297:4294967296}, class_attr_version={76:0}, dev={82:0}, IS_ERR((void const *)phantom_class)=0, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_open_lock_of_phantom_device=1, ldv_mutex_phantom_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=0, ldvarg11={77:0}, ldvarg12={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4=0, ldvarg5=0, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, phantom_class={0:0}, phantom_devices={72:0}, phantom_file_ops={73:0}, phantom_file_ops_group1={0:0}, phantom_file_ops_group2={0:0}, phantom_major=0, phantom_mutex={71:0}, phantom_pci_driver={75:0}, phantom_pci_driver_group0={0:0}, phantom_pci_tbl={74:0}, ref_cnt=0, tmp={0:0}] [L3992] tmp___1 = IS_ERR((void const *)phantom_class) [L3993] COND FALSE !(tmp___1 != 0L) [L4000] CALL, EXPR class_create_file(phantom_class, (struct class_attribute const *)(& class_attr_version.attr)) [L5056] return __VERIFIER_nondet_int(); [L4000] RET, EXPR class_create_file(phantom_class, (struct class_attribute const *)(& class_attr_version.attr)) [L4000] retval = class_create_file(phantom_class, (struct class_attribute const *)(& class_attr_version.attr)) [L4001] COND FALSE !(retval != 0) [L4006] CALL, EXPR alloc_chrdev_region(& dev, 0U, 8U, "phantom") [L5042] return __VERIFIER_nondet_int(); [L4006] RET, EXPR alloc_chrdev_region(& dev, 0U, 8U, "phantom") [L4006] retval = alloc_chrdev_region(& dev, 0U, 8U, "phantom") [L4007] COND FALSE !(retval != 0) [L4012] EXPR \read(dev) [L4012] phantom_major = (int )(dev >> 20) [L4013] CALL, EXPR __pci_register_driver(& phantom_pci_driver, & __this_module, "phantom") [L5011] return __VERIFIER_nondet_int(); [L4013] RET, EXPR __pci_register_driver(& phantom_pci_driver, & __this_module, "phantom") [L4013] retval = __pci_register_driver(& phantom_pci_driver, & __this_module, "phantom") [L4014] COND FALSE !(retval != 0) [L4020] return (0); [L4020] return (0); [L4020] return (0); VAL [\result=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967297:4294967296}, class_attr_version={76:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_open_lock_of_phantom_device=1, ldv_mutex_phantom_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=0, ldvarg11={77:0}, ldvarg12={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4=0, ldvarg5=0, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, phantom_class={0:0}, phantom_devices={72:0}, phantom_file_ops={73:0}, phantom_file_ops_group1={0:0}, phantom_file_ops_group2={0:0}, phantom_major=2147483647, phantom_mutex={71:0}, phantom_pci_driver={75:0}, phantom_pci_driver_group0={0:0}, phantom_pci_tbl={74:0}, ref_cnt=0, retval=0, tmp={0:0}, tmp___1=0] [L4124] RET, EXPR phantom_init() [L4124] ldv_retval_0 = phantom_init() [L4125] COND TRUE ldv_retval_0 == 0 [L4126] ldv_state_variable_0 = 3 [L4127] ldv_state_variable_2 = 1 [L4128] ldv_state_variable_1 = 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967297:4294967296}, class_attr_version={76:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_open_lock_of_phantom_device=1, ldv_mutex_phantom_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=0, ldvarg11={77:0}, ldvarg12={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4=0, ldvarg5=0, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, phantom_class={0:0}, phantom_devices={72:0}, phantom_file_ops={73:0}, phantom_file_ops_group1={0:0}, phantom_file_ops_group2={0:0}, phantom_major=2147483647, phantom_mutex={71:0}, phantom_pci_driver={75:0}, phantom_pci_driver_group0={0:0}, phantom_pci_tbl={74:0}, ref_cnt=0, tmp=1, tmp___1=1] [L4131] COND FALSE !(ldv_retval_0 != 0) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967297:4294967296}, class_attr_version={76:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_open_lock_of_phantom_device=1, ldv_mutex_phantom_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=0, ldvarg11={77:0}, ldvarg12={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4=0, ldvarg5=0, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, phantom_class={0:0}, phantom_devices={72:0}, phantom_file_ops={73:0}, phantom_file_ops_group1={0:0}, phantom_file_ops_group2={0:0}, phantom_major=2147483647, phantom_mutex={71:0}, phantom_pci_driver={75:0}, phantom_pci_driver_group0={0:0}, phantom_pci_tbl={74:0}, ref_cnt=0, tmp=1, tmp___1=1] [L4090] tmp = __VERIFIER_nondet_int() [L4092] case 0: [L4110] case 1: VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967297:4294967296}, class_attr_version={76:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_open_lock_of_phantom_device=1, ldv_mutex_phantom_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=0, ldvarg11={77:0}, ldvarg12={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4=0, ldvarg5=0, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, phantom_class={0:0}, phantom_devices={72:0}, phantom_file_ops={73:0}, phantom_file_ops_group1={0:0}, phantom_file_ops_group2={0:0}, phantom_major=2147483647, phantom_mutex={71:0}, phantom_pci_driver={75:0}, phantom_pci_driver_group0={0:0}, phantom_pci_tbl={74:0}, ref_cnt=0, tmp=1, tmp___1=1] [L4111] COND TRUE ldv_state_variable_0 != 0 [L4112] tmp___1 = __VERIFIER_nondet_int() [L4114] case 0: VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967297:4294967296}, class_attr_version={76:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_open_lock_of_phantom_device=1, ldv_mutex_phantom_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=0, ldvarg11={77:0}, ldvarg12={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4=0, ldvarg5=0, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, phantom_class={0:0}, phantom_devices={72:0}, phantom_file_ops={73:0}, phantom_file_ops_group1={0:0}, phantom_file_ops_group2={0:0}, phantom_major=2147483647, phantom_mutex={71:0}, phantom_pci_driver={75:0}, phantom_pci_driver_group0={0:0}, phantom_pci_tbl={74:0}, ref_cnt=0, tmp=1, tmp___1=0] [L4115] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L4116] CALL phantom_exit() [L4032] struct _ddebug descriptor ; [L4033] long tmp ; [L4035] FCALL pci_unregister_driver(& phantom_pci_driver) [L4036] phantom_major << 20 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967297:4294967296}, class_attr_version={76:0}, descriptor={78:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_mutex_open_lock_of_phantom_device=1, ldv_mutex_phantom_mutex=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=0, ldvarg11={77:0}, ldvarg12={0:0}, ldvarg2={0:0}, ldvarg3=0, ldvarg4=0, ldvarg5=0, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, phantom_class={0:0}, phantom_devices={72:0}, phantom_file_ops={73:0}, phantom_file_ops_group1={0:0}, phantom_file_ops_group2={0:0}, phantom_major=2147483647, phantom_mutex={71:0}, phantom_pci_driver={75:0}, phantom_pci_driver_group0={0:0}, phantom_pci_tbl={74:0}, ref_cnt=0] - UnprovableResult [Line: 3920]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 3920]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 4036]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 4154]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 4154]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 4189]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 4189]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 3877]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 3877]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 3883]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 3883]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 4218]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 4218]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 4238]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 4238]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 4244]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 4244]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 616 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 11.1s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3515 SdHoareTripleChecker+Valid, 5.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3273 mSDsluCounter, 12793 SdHoareTripleChecker+Invalid, 4.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7846 mSDsCounter, 754 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2764 IncrementalHoareTripleChecker+Invalid, 3518 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 754 mSolverCounterUnsat, 4947 mSDtfsCounter, 2764 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4470occurred in iteration=5, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 564 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 156 ConstructedInterpolants, 0 QuantifiedInterpolants, 305 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 10/10 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 [2022-10-15 21:07:36,580 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...