/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 [2022-10-16 12:48:41,734 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 12:48:41,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 12:48:41,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 12:48:41,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 12:48:41,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 12:48:41,808 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 12:48:41,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 12:48:41,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 12:48:41,824 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 12:48:41,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 12:48:41,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 12:48:41,830 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 12:48:41,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 12:48:41,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 12:48:41,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 12:48:41,852 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 12:48:41,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 12:48:41,861 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 12:48:41,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 12:48:41,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 12:48:41,873 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 12:48:41,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 12:48:41,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 12:48:41,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 12:48:41,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 12:48:41,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 12:48:41,891 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 12:48:41,892 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 12:48:41,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 12:48:41,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 12:48:41,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 12:48:41,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 12:48:41,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 12:48:41,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 12:48:41,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 12:48:41,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 12:48:41,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 12:48:41,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 12:48:41,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 12:48:41,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 12:48:41,903 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 [2022-10-16 12:48:41,959 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 12:48:41,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 12:48:41,960 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 12:48:41,960 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 12:48:41,961 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 12:48:41,962 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 12:48:41,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 12:48:41,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 12:48:41,966 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 12:48:41,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 12:48:41,967 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 12:48:41,967 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 12:48:41,968 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 12:48:41,968 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 12:48:41,968 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 12:48:41,968 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 12:48:41,969 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 12:48:41,969 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 12:48:41,969 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 12:48:41,969 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 12:48:41,969 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 12:48:41,970 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 12:48:41,970 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 12:48:41,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 12:48:41,970 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 12:48:41,971 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 12:48:41,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:48:41,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 12:48:41,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 12:48:41,972 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 12:48:41,972 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 12:48:41,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 12:48:41,973 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 12:48:41,973 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 12:48:42,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 12:48:42,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 12:48:42,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 12:48:42,442 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 12:48:42,443 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 12:48:42,445 INFO L432 ainManager$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 [2022-10-16 12:48:42,539 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c75aebdc2/143bb0c400c44c79b18f6b55f92a348a/FLAG055f0fa6d [2022-10-16 12:48:43,454 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 12:48:43,455 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 [2022-10-16 12:48:43,506 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c75aebdc2/143bb0c400c44c79b18f6b55f92a348a/FLAG055f0fa6d [2022-10-16 12:48:43,963 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c75aebdc2/143bb0c400c44c79b18f6b55f92a348a [2022-10-16 12:48:43,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 12:48:43,973 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 12:48:43,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 12:48:43,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 12:48:43,980 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 12:48:43,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:48:43" (1/1) ... [2022-10-16 12:48:43,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74d03f75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:48:43, skipping insertion in model container [2022-10-16 12:48:43,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:48:43" (1/1) ... [2022-10-16 12:48:43,993 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 12:48:44,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 12:48:45,325 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] [2022-10-16 12:48:45,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:48:45,453 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 12:48:45,764 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] [2022-10-16 12:48:45,813 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:48:45,907 INFO L208 MainTranslator]: Completed translation [2022-10-16 12:48:45,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:48:45 WrapperNode [2022-10-16 12:48:45,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 12:48:45,910 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 12:48:45,910 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 12:48:45,910 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 12:48:45,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:48:45" (1/1) ... [2022-10-16 12:48:46,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:48:45" (1/1) ... [2022-10-16 12:48:46,143 INFO L138 Inliner]: procedures = 176, calls = 745, calls flagged for inlining = 76, calls inlined = 63, statements flattened = 1359 [2022-10-16 12:48:46,144 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 12:48:46,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 12:48:46,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 12:48:46,147 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 12:48:46,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:48:45" (1/1) ... [2022-10-16 12:48:46,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:48:45" (1/1) ... [2022-10-16 12:48:46,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:48:45" (1/1) ... [2022-10-16 12:48:46,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:48:45" (1/1) ... [2022-10-16 12:48:46,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:48:45" (1/1) ... [2022-10-16 12:48:46,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:48:45" (1/1) ... [2022-10-16 12:48:46,423 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:48:45" (1/1) ... [2022-10-16 12:48:46,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:48:45" (1/1) ... [2022-10-16 12:48:46,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 12:48:46,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 12:48:46,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 12:48:46,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 12:48:46,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:48:45" (1/1) ... [2022-10-16 12:48:46,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:48:46,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:48:46,535 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) [2022-10-16 12:48:46,537 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 [2022-10-16 12:48:46,605 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-10-16 12:48:46,606 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-10-16 12:48:46,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 12:48:46,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-16 12:48:46,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 12:48:46,606 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-10-16 12:48:46,607 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-10-16 12:48:46,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 12:48:46,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-16 12:48:46,607 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-16 12:48:46,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 12:48:46,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 12:48:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 12:48:46,608 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-16 12:48:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-10-16 12:48:46,608 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-10-16 12:48:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-10-16 12:48:46,608 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-10-16 12:48:46,609 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2022-10-16 12:48:46,609 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2022-10-16 12:48:46,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 12:48:46,609 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-16 12:48:46,609 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-16 12:48:46,610 INFO L130 BoogieDeclarations]: Found specification of procedure class_remove_file [2022-10-16 12:48:46,610 INFO L138 BoogieDeclarations]: Found implementation of procedure class_remove_file [2022-10-16 12:48:46,610 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-10-16 12:48:46,610 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-10-16 12:48:46,610 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-10-16 12:48:46,610 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-10-16 12:48:46,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 12:48:46,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 12:48:46,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_open_lock_of_phantom_device [2022-10-16 12:48:46,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_open_lock_of_phantom_device [2022-10-16 12:48:46,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 12:48:46,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 12:48:46,612 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-10-16 12:48:46,612 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-10-16 12:48:46,612 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-10-16 12:48:46,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-10-16 12:48:46,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 12:48:46,613 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-16 12:48:46,613 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-16 12:48:46,613 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-16 12:48:46,613 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-16 12:48:46,614 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-10-16 12:48:46,614 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-10-16 12:48:46,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 12:48:46,614 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_status [2022-10-16 12:48:46,614 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_status [2022-10-16 12:48:46,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 12:48:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 12:48:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_remove [2022-10-16 12:48:46,616 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_remove [2022-10-16 12:48:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_poll [2022-10-16 12:48:46,617 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_poll [2022-10-16 12:48:46,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 12:48:46,618 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-10-16 12:48:46,618 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-10-16 12:48:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-10-16 12:48:46,619 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-10-16 12:48:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-16 12:48:46,620 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-16 12:48:46,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 12:48:46,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 12:48:46,621 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-10-16 12:48:46,621 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-10-16 12:48:46,621 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-16 12:48:46,622 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-16 12:48:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2022-10-16 12:48:46,623 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2022-10-16 12:48:46,623 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-16 12:48:46,624 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-16 12:48:46,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 12:48:46,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-16 12:48:46,624 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-16 12:48:46,624 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-16 12:48:46,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 12:48:46,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 12:48:46,626 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_ioctl [2022-10-16 12:48:46,626 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_ioctl [2022-10-16 12:48:46,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_phantom_mutex [2022-10-16 12:48:46,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_phantom_mutex [2022-10-16 12:48:46,626 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-16 12:48:46,627 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-16 12:48:47,185 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 12:48:47,190 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 12:48:48,979 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 12:48:48,994 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 12:48:48,995 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 12:48:48,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:48:48 BoogieIcfgContainer [2022-10-16 12:48:48,999 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 12:48:49,002 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 12:48:49,002 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 12:48:49,006 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 12:48:49,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:48:43" (1/3) ... [2022-10-16 12:48:49,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f449109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:48:49, skipping insertion in model container [2022-10-16 12:48:49,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:48:45" (2/3) ... [2022-10-16 12:48:49,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f449109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:48:49, skipping insertion in model container [2022-10-16 12:48:49,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:48:48" (3/3) ... [2022-10-16 12:48:49,010 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2022-10-16 12:48:49,055 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 12:48:49,055 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-10-16 12:48:49,175 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 12:48:49,185 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;@3cc0c628, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 12:48:49,185 INFO L358 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2022-10-16 12:48:49,195 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) [2022-10-16 12:48:49,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-16 12:48:49,208 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:48:49,209 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:48:49,209 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)] === [2022-10-16 12:48:49,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:48:49,216 INFO L85 PathProgramCache]: Analyzing trace with hash 411158550, now seen corresponding path program 1 times [2022-10-16 12:48:49,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:48:49,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309663368] [2022-10-16 12:48:49,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:48:49,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:48:49,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:49,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:48:49,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:48:49,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309663368] [2022-10-16 12:48:49,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309663368] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:48:49,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:48:49,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:48:49,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727313792] [2022-10-16 12:48:49,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:48:49,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:48:49,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:48:49,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:48:49,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:48:49,964 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) [2022-10-16 12:48:50,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:48:50,236 INFO L93 Difference]: Finished difference Result 1788 states and 2518 transitions. [2022-10-16 12:48:50,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:48:50,242 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 [2022-10-16 12:48:50,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:48:50,280 INFO L225 Difference]: With dead ends: 1788 [2022-10-16 12:48:50,280 INFO L226 Difference]: Without dead ends: 1130 [2022-10-16 12:48:50,298 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 [2022-10-16 12:48:50,304 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 [2022-10-16 12:48:50,307 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] [2022-10-16 12:48:50,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1130 states. [2022-10-16 12:48:50,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1130 to 1114. [2022-10-16 12:48:50,530 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) [2022-10-16 12:48:50,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 1531 transitions. [2022-10-16 12:48:50,549 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 1531 transitions. Word has length 11 [2022-10-16 12:48:50,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:48:50,550 INFO L495 AbstractCegarLoop]: Abstraction has 1114 states and 1531 transitions. [2022-10-16 12:48:50,550 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) [2022-10-16 12:48:50,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 1531 transitions. [2022-10-16 12:48:50,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-16 12:48:50,554 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:48:50,555 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:48:50,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 12:48:50,555 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)] === [2022-10-16 12:48:50,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:48:50,556 INFO L85 PathProgramCache]: Analyzing trace with hash -467663448, now seen corresponding path program 1 times [2022-10-16 12:48:50,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:48:50,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821460672] [2022-10-16 12:48:50,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:48:50,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:48:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:50,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:48:50,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:48:50,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821460672] [2022-10-16 12:48:50,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821460672] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:48:50,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:48:50,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:48:50,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817942553] [2022-10-16 12:48:50,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:48:50,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:48:50,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:48:50,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:48:50,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:48:50,765 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) [2022-10-16 12:48:50,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:48:50,967 INFO L93 Difference]: Finished difference Result 2985 states and 4118 transitions. [2022-10-16 12:48:50,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:48:50,968 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 [2022-10-16 12:48:50,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:48:50,984 INFO L225 Difference]: With dead ends: 2985 [2022-10-16 12:48:50,984 INFO L226 Difference]: Without dead ends: 1874 [2022-10-16 12:48:50,991 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 [2022-10-16 12:48:50,993 INFO L413 NwaCegarLoop]: 885 mSDtfsCounter, 552 mSDsluCounter, 768 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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 [2022-10-16 12:48:50,994 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] [2022-10-16 12:48:50,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1874 states. [2022-10-16 12:48:51,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1874 to 1865. [2022-10-16 12:48:51,198 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) [2022-10-16 12:48:51,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1865 states to 1865 states and 2584 transitions. [2022-10-16 12:48:51,217 INFO L78 Accepts]: Start accepts. Automaton has 1865 states and 2584 transitions. Word has length 17 [2022-10-16 12:48:51,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:48:51,218 INFO L495 AbstractCegarLoop]: Abstraction has 1865 states and 2584 transitions. [2022-10-16 12:48:51,218 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) [2022-10-16 12:48:51,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 2584 transitions. [2022-10-16 12:48:51,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-16 12:48:51,231 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:48:51,232 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] [2022-10-16 12:48:51,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 12:48:51,232 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)] === [2022-10-16 12:48:51,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:48:51,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1043559934, now seen corresponding path program 1 times [2022-10-16 12:48:51,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:48:51,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149730485] [2022-10-16 12:48:51,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:48:51,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:48:51,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:51,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-16 12:48:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:51,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 12:48:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:51,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:51,829 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:48:51,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:48:51,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149730485] [2022-10-16 12:48:51,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149730485] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:48:51,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:48:51,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 12:48:51,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196550907] [2022-10-16 12:48:51,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:48:51,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 12:48:51,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:48:51,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 12:48:51,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 12:48:51,833 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) [2022-10-16 12:48:53,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:48:53,692 INFO L93 Difference]: Finished difference Result 3911 states and 5439 transitions. [2022-10-16 12:48:53,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 12:48:53,693 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 [2022-10-16 12:48:53,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:48:53,734 INFO L225 Difference]: With dead ends: 3911 [2022-10-16 12:48:53,734 INFO L226 Difference]: Without dead ends: 2049 [2022-10-16 12:48:53,758 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 [2022-10-16 12:48:53,765 INFO L413 NwaCegarLoop]: 926 mSDtfsCounter, 377 mSDsluCounter, 4046 mSDsCounter, 0 mSdLazyCounter, 1209 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 4972 SdHoareTripleChecker+Invalid, 1336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 1209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 12:48:53,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [443 Valid, 4972 Invalid, 1336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 1209 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 12:48:53,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2049 states. [2022-10-16 12:48:53,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2049 to 1863. [2022-10-16 12:48:53,956 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) [2022-10-16 12:48:53,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1863 states to 1863 states and 2580 transitions. [2022-10-16 12:48:53,975 INFO L78 Accepts]: Start accepts. Automaton has 1863 states and 2580 transitions. Word has length 41 [2022-10-16 12:48:53,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:48:53,975 INFO L495 AbstractCegarLoop]: Abstraction has 1863 states and 2580 transitions. [2022-10-16 12:48:53,976 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) [2022-10-16 12:48:53,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1863 states and 2580 transitions. [2022-10-16 12:48:53,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-16 12:48:53,980 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:48:53,981 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] [2022-10-16 12:48:53,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 12:48:53,981 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)] === [2022-10-16 12:48:53,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:48:53,983 INFO L85 PathProgramCache]: Analyzing trace with hash -2024488990, now seen corresponding path program 1 times [2022-10-16 12:48:53,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:48:53,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421089987] [2022-10-16 12:48:53,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:48:53,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:48:54,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:54,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 12:48:54,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:54,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 12:48:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:54,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:54,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 12:48:54,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:54,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-16 12:48:54,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:54,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:48:54,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:48:54,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421089987] [2022-10-16 12:48:54,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421089987] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:48:54,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:48:54,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:48:54,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840768774] [2022-10-16 12:48:54,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:48:54,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:48:54,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:48:54,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:48:54,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:48:54,312 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) [2022-10-16 12:48:56,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:48:56,514 INFO L93 Difference]: Finished difference Result 4288 states and 5927 transitions. [2022-10-16 12:48:56,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 12:48:56,515 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 [2022-10-16 12:48:56,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:48:56,536 INFO L225 Difference]: With dead ends: 4288 [2022-10-16 12:48:56,536 INFO L226 Difference]: Without dead ends: 2428 [2022-10-16 12:48:56,546 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 [2022-10-16 12:48:56,548 INFO L413 NwaCegarLoop]: 726 mSDtfsCounter, 783 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 1007 mSolverCounterSat, 423 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 857 SdHoareTripleChecker+Valid, 1531 SdHoareTripleChecker+Invalid, 1430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 423 IncrementalHoareTripleChecker+Valid, 1007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-16 12:48:56,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [857 Valid, 1531 Invalid, 1430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [423 Valid, 1007 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-16 12:48:56,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2428 states. [2022-10-16 12:48:56,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2428 to 2263. [2022-10-16 12:48:56,744 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) [2022-10-16 12:48:56,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2263 states to 2263 states and 3114 transitions. [2022-10-16 12:48:56,763 INFO L78 Accepts]: Start accepts. Automaton has 2263 states and 3114 transitions. Word has length 46 [2022-10-16 12:48:56,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:48:56,764 INFO L495 AbstractCegarLoop]: Abstraction has 2263 states and 3114 transitions. [2022-10-16 12:48:56,764 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) [2022-10-16 12:48:56,764 INFO L276 IsEmpty]: Start isEmpty. Operand 2263 states and 3114 transitions. [2022-10-16 12:48:56,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-16 12:48:56,766 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:48:56,766 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] [2022-10-16 12:48:56,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 12:48:56,766 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)] === [2022-10-16 12:48:56,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:48:56,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1794911211, now seen corresponding path program 1 times [2022-10-16 12:48:56,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:48:56,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117162548] [2022-10-16 12:48:56,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:48:56,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:48:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:57,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-16 12:48:57,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:57,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 12:48:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:57,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:57,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:57,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 12:48:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:57,125 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 12:48:57,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:48:57,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117162548] [2022-10-16 12:48:57,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117162548] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:48:57,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:48:57,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:48:57,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822030371] [2022-10-16 12:48:57,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:48:57,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:48:57,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:48:57,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:48:57,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:48:57,133 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) [2022-10-16 12:48:58,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:48:58,641 INFO L93 Difference]: Finished difference Result 4669 states and 6461 transitions. [2022-10-16 12:48:58,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:48:58,642 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 [2022-10-16 12:48:58,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:48:58,681 INFO L225 Difference]: With dead ends: 4669 [2022-10-16 12:48:58,681 INFO L226 Difference]: Without dead ends: 4658 [2022-10-16 12:48:58,686 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 [2022-10-16 12:48:58,688 INFO L413 NwaCegarLoop]: 1451 mSDtfsCounter, 778 mSDsluCounter, 1436 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 881 SdHoareTripleChecker+Valid, 2887 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 [2022-10-16 12:48:58,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [881 Valid, 2887 Invalid, 711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [199 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 12:48:58,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4658 states. [2022-10-16 12:48:59,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4658 to 4470. [2022-10-16 12:48:59,046 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) [2022-10-16 12:48:59,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4470 states to 4470 states and 6169 transitions. [2022-10-16 12:48:59,072 INFO L78 Accepts]: Start accepts. Automaton has 4470 states and 6169 transitions. Word has length 46 [2022-10-16 12:48:59,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:48:59,074 INFO L495 AbstractCegarLoop]: Abstraction has 4470 states and 6169 transitions. [2022-10-16 12:48:59,077 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) [2022-10-16 12:48:59,078 INFO L276 IsEmpty]: Start isEmpty. Operand 4470 states and 6169 transitions. [2022-10-16 12:48:59,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-16 12:48:59,079 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:48:59,079 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] [2022-10-16 12:48:59,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 12:48:59,080 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)] === [2022-10-16 12:48:59,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:48:59,080 INFO L85 PathProgramCache]: Analyzing trace with hash -419628692, now seen corresponding path program 1 times [2022-10-16 12:48:59,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:48:59,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661098777] [2022-10-16 12:48:59,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:48:59,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:48:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 12:48:59,187 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-16 12:48:59,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 12:48:59,336 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-16 12:48:59,337 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-16 12:48:59,338 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 18 remaining) [2022-10-16 12:48:59,341 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location phantom_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 18 remaining) [2022-10-16 12:48:59,342 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location phantom_removeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 18 remaining) [2022-10-16 12:48:59,342 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 18 remaining) [2022-10-16 12:48:59,342 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 18 remaining) [2022-10-16 12:48:59,343 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 18 remaining) [2022-10-16 12:48:59,343 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 18 remaining) [2022-10-16 12:48:59,343 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 18 remaining) [2022-10-16 12:48:59,344 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 18 remaining) [2022-10-16 12:48:59,344 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 18 remaining) [2022-10-16 12:48:59,344 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 18 remaining) [2022-10-16 12:48:59,344 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 18 remaining) [2022-10-16 12:48:59,345 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 18 remaining) [2022-10-16 12:48:59,345 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 18 remaining) [2022-10-16 12:48:59,345 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 18 remaining) [2022-10-16 12:48:59,345 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 18 remaining) [2022-10-16 12:48:59,345 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 18 remaining) [2022-10-16 12:48:59,346 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 18 remaining) [2022-10-16 12:48:59,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 12:48:59,351 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-10-16 12:48:59,357 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 12:48:59,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:48:59 BoogieIcfgContainer [2022-10-16 12:48:59,533 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 12:48:59,535 INFO L158 Benchmark]: Toolchain (without parser) took 15564.56ms. Allocated memory was 155.2MB in the beginning and 321.9MB in the end (delta: 166.7MB). Free memory was 122.5MB in the beginning and 163.7MB in the end (delta: -41.2MB). Peak memory consumption was 126.5MB. Max. memory is 8.0GB. [2022-10-16 12:48:59,535 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 155.2MB. Free memory was 126.5MB in the beginning and 126.5MB in the end (delta: 83.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 12:48:59,536 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1933.56ms. Allocated memory is still 155.2MB. Free memory was 122.3MB in the beginning and 65.6MB in the end (delta: 56.7MB). Peak memory consumption was 56.9MB. Max. memory is 8.0GB. [2022-10-16 12:48:59,536 INFO L158 Benchmark]: Boogie Procedure Inliner took 234.29ms. Allocated memory is still 155.2MB. Free memory was 65.6MB in the beginning and 56.2MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-10-16 12:48:59,536 INFO L158 Benchmark]: Boogie Preprocessor took 343.58ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 56.2MB in the beginning and 161.4MB in the end (delta: -105.2MB). Peak memory consumption was 37.8MB. Max. memory is 8.0GB. [2022-10-16 12:48:59,541 INFO L158 Benchmark]: RCFGBuilder took 2507.90ms. Allocated memory is still 203.4MB. Free memory was 161.4MB in the beginning and 90.7MB in the end (delta: 70.7MB). Peak memory consumption was 74.5MB. Max. memory is 8.0GB. [2022-10-16 12:48:59,542 INFO L158 Benchmark]: TraceAbstraction took 10531.56ms. Allocated memory was 203.4MB in the beginning and 321.9MB in the end (delta: 118.5MB). Free memory was 90.2MB in the beginning and 163.7MB in the end (delta: -73.6MB). Peak memory consumption was 44.4MB. Max. memory is 8.0GB. [2022-10-16 12:48:59,547 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 155.2MB. Free memory was 126.5MB in the beginning and 126.5MB in the end (delta: 83.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1933.56ms. Allocated memory is still 155.2MB. Free memory was 122.3MB in the beginning and 65.6MB in the end (delta: 56.7MB). Peak memory consumption was 56.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 234.29ms. Allocated memory is still 155.2MB. Free memory was 65.6MB in the beginning and 56.2MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 343.58ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 56.2MB in the beginning and 161.4MB in the end (delta: -105.2MB). Peak memory consumption was 37.8MB. Max. memory is 8.0GB. * RCFGBuilder took 2507.90ms. Allocated memory is still 203.4MB. Free memory was 161.4MB in the beginning and 90.7MB in the end (delta: 70.7MB). Peak memory consumption was 74.5MB. Max. memory is 8.0GB. * TraceAbstraction took 10531.56ms. Allocated memory was 203.4MB in the beginning and 321.9MB in the end (delta: 118.5MB). Free memory was 90.2MB in the beginning and 163.7MB in the end (delta: -73.6MB). Peak memory consumption was 44.4MB. 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: 10.2s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3516 SdHoareTripleChecker+Valid, 4.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3273 mSDsluCounter, 12792 SdHoareTripleChecker+Invalid, 4.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7848 mSDsCounter, 754 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2759 IncrementalHoareTripleChecker+Invalid, 3513 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 754 mSolverCounterUnsat, 4944 mSDtfsCounter, 2759 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, 0.1s 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, 1.5s 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 [2022-10-16 12:48:59,618 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...