/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-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 13:15:53,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 13:15:53,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 13:15:53,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 13:15:53,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 13:15:53,800 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 13:15:53,802 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 13:15:53,805 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 13:15:53,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 13:15:53,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 13:15:53,832 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 13:15:53,835 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 13:15:53,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 13:15:53,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 13:15:53,840 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 13:15:53,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 13:15:53,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 13:15:53,851 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 13:15:53,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 13:15:53,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 13:15:53,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 13:15:53,866 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 13:15:53,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 13:15:53,868 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 13:15:53,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 13:15:53,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 13:15:53,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 13:15:53,887 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 13:15:53,887 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 13:15:53,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 13:15:53,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 13:15:53,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 13:15:53,892 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 13:15:53,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 13:15:53,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 13:15:53,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 13:15:53,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 13:15:53,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 13:15:53,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 13:15:53,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 13:15:53,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 13:15:53,900 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 13:15:53,961 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 13:15:53,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 13:15:53,963 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 13:15:53,963 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 13:15:53,964 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 13:15:53,965 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 13:15:53,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 13:15:53,968 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 13:15:53,968 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 13:15:53,968 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 13:15:53,970 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 13:15:53,970 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 13:15:53,970 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 13:15:53,970 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 13:15:53,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 13:15:53,971 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 13:15:53,971 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 13:15:53,971 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 13:15:53,971 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 13:15:53,972 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 13:15:53,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 13:15:53,973 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 13:15:53,973 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 13:15:53,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 13:15:53,973 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 13:15:53,974 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 13:15:53,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:15:53,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 13:15:53,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 13:15:53,974 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 13:15:53,975 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 13:15:53,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 13:15:53,975 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 13:15:53,976 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 13:15:54,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 13:15:54,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 13:15:54,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 13:15:54,456 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 13:15:54,458 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 13:15:54,460 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2022-10-16 13:15:54,537 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d541aecd2/4fa8e9d05d204eb99619dcdc622ee921/FLAGab22adcf3 [2022-10-16 13:15:55,577 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 13:15:55,579 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2022-10-16 13:15:55,637 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d541aecd2/4fa8e9d05d204eb99619dcdc622ee921/FLAGab22adcf3 [2022-10-16 13:15:56,051 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d541aecd2/4fa8e9d05d204eb99619dcdc622ee921 [2022-10-16 13:15:56,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 13:15:56,063 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 13:15:56,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 13:15:56,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 13:15:56,073 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 13:15:56,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:15:56" (1/1) ... [2022-10-16 13:15:56,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1553a3c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:56, skipping insertion in model container [2022-10-16 13:15:56,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:15:56" (1/1) ... [2022-10-16 13:15:56,085 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 13:15:56,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 13:15:56,898 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2022-10-16 13:15:56,899 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2022-10-16 13:15:57,154 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-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i[111905,111918] [2022-10-16 13:15:57,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:15:57,925 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 13:15:58,033 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2022-10-16 13:15:58,033 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2022-10-16 13:15:58,046 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-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i[111905,111918] [2022-10-16 13:15:58,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:15:58,437 INFO L208 MainTranslator]: Completed translation [2022-10-16 13:15:58,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:58 WrapperNode [2022-10-16 13:15:58,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 13:15:58,439 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 13:15:58,439 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 13:15:58,439 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 13:15:58,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:58" (1/1) ... [2022-10-16 13:15:58,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:58" (1/1) ... [2022-10-16 13:15:58,753 INFO L138 Inliner]: procedures = 170, calls = 1019, calls flagged for inlining = 80, calls inlined = 51, statements flattened = 1569 [2022-10-16 13:15:58,754 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 13:15:58,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 13:15:58,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 13:15:58,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 13:15:58,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:58" (1/1) ... [2022-10-16 13:15:58,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:58" (1/1) ... [2022-10-16 13:15:58,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:58" (1/1) ... [2022-10-16 13:15:58,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:58" (1/1) ... [2022-10-16 13:15:58,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:58" (1/1) ... [2022-10-16 13:15:58,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:58" (1/1) ... [2022-10-16 13:15:58,904 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:58" (1/1) ... [2022-10-16 13:15:58,913 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:58" (1/1) ... [2022-10-16 13:15:58,932 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 13:15:58,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 13:15:58,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 13:15:58,933 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 13:15:58,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:58" (1/1) ... [2022-10-16 13:15:58,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:15:58,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:15:58,981 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 13:15:59,005 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 13:15:59,047 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_map_urb_for_dma [2022-10-16 13:15:59,047 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_map_urb_for_dma [2022-10-16 13:15:59,048 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-10-16 13:15:59,048 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-10-16 13:15:59,048 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-10-16 13:15:59,048 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-10-16 13:15:59,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-16 13:15:59,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-16 13:15:59,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 13:15:59,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-10-16 13:15:59,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-10-16 13:15:59,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 13:15:59,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 13:15:59,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-16 13:15:59,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-16 13:15:59,050 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_hub_control [2022-10-16 13:15:59,051 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_hub_control [2022-10-16 13:15:59,051 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_urb_dequeue [2022-10-16 13:15:59,051 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_urb_dequeue [2022-10-16 13:15:59,051 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 13:15:59,051 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-16 13:15:59,051 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-10-16 13:15:59,052 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-10-16 13:15:59,052 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_endpoint_disable [2022-10-16 13:15:59,052 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_endpoint_disable [2022-10-16 13:15:59,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 13:15:59,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 13:15:59,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 13:15:59,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 13:15:59,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 13:15:59,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-10-16 13:15:59,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-16 13:15:59,054 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-16 13:15:59,054 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_reset [2022-10-16 13:15:59,054 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_reset [2022-10-16 13:15:59,054 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_urb_enqueue [2022-10-16 13:15:59,054 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_urb_enqueue [2022-10-16 13:15:59,055 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 13:15:59,055 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 13:15:59,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 13:15:59,055 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_bus_resume [2022-10-16 13:15:59,056 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_bus_resume [2022-10-16 13:15:59,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 13:15:59,056 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_gpout_set_value [2022-10-16 13:15:59,057 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_gpout_set_value [2022-10-16 13:15:59,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 13:15:59,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 13:15:59,057 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-16 13:15:59,058 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-16 13:15:59,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-10-16 13:15:59,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-10-16 13:15:59,058 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-10-16 13:15:59,058 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-10-16 13:15:59,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 13:15:59,059 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-16 13:15:59,059 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-16 13:15:59,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 13:15:59,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 13:15:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_unmap_urb_for_dma [2022-10-16 13:15:59,060 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_unmap_urb_for_dma [2022-10-16 13:15:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-16 13:15:59,060 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-16 13:15:59,061 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2022-10-16 13:15:59,061 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2022-10-16 13:15:59,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 13:15:59,061 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-10-16 13:15:59,062 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-10-16 13:15:59,062 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_bus_suspend [2022-10-16 13:15:59,062 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_bus_suspend [2022-10-16 13:15:59,062 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_get_frame_number [2022-10-16 13:15:59,062 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_get_frame_number [2022-10-16 13:15:59,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-16 13:15:59,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-16 13:15:59,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 13:15:59,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 13:15:59,063 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_hub_status_data [2022-10-16 13:15:59,064 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_hub_status_data [2022-10-16 13:15:59,064 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_max3421 [2022-10-16 13:15:59,064 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_max3421 [2022-10-16 13:15:59,064 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-16 13:15:59,064 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-16 13:15:59,590 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 13:15:59,593 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 13:16:00,242 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-16 13:16:01,137 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 13:16:01,151 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 13:16:01,151 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 13:16:01,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:16:01 BoogieIcfgContainer [2022-10-16 13:16:01,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 13:16:01,158 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 13:16:01,158 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 13:16:01,161 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 13:16:01,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:15:56" (1/3) ... [2022-10-16 13:16:01,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1105a16d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:16:01, skipping insertion in model container [2022-10-16 13:16:01,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:58" (2/3) ... [2022-10-16 13:16:01,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1105a16d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:16:01, skipping insertion in model container [2022-10-16 13:16:01,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:16:01" (3/3) ... [2022-10-16 13:16:01,165 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2022-10-16 13:16:01,187 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 13:16:01,187 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2022-10-16 13:16:01,264 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 13:16:01,273 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;@4978c074, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 13:16:01,273 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2022-10-16 13:16:01,281 INFO L276 IsEmpty]: Start isEmpty. Operand has 562 states, 409 states have (on average 1.3985330073349633) internal successors, (572), 432 states have internal predecessors, (572), 105 states have call successors, (105), 34 states have call predecessors, (105), 33 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2022-10-16 13:16:01,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-16 13:16:01,298 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:16:01,299 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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 13:16:01,300 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [max3421_hub_controlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, max3421_hub_controlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, max3421_hub_controlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 13:16:01,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:16:01,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1146513111, now seen corresponding path program 1 times [2022-10-16 13:16:01,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:16:01,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811963442] [2022-10-16 13:16:01,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:16:01,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:16:01,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:01,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:16:01,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:01,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:16:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:02,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:16:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:02,012 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-16 13:16:02,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:16:02,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811963442] [2022-10-16 13:16:02,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811963442] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:16:02,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:16:02,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:16:02,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474671431] [2022-10-16 13:16:02,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:16:02,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:16:02,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:16:02,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:16:02,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:16:02,060 INFO L87 Difference]: Start difference. First operand has 562 states, 409 states have (on average 1.3985330073349633) internal successors, (572), 432 states have internal predecessors, (572), 105 states have call successors, (105), 34 states have call predecessors, (105), 33 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 13:16:03,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:16:03,909 INFO L93 Difference]: Finished difference Result 1599 states and 2245 transitions. [2022-10-16 13:16:03,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:16:03,915 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 34 [2022-10-16 13:16:03,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:16:03,958 INFO L225 Difference]: With dead ends: 1599 [2022-10-16 13:16:03,959 INFO L226 Difference]: Without dead ends: 1005 [2022-10-16 13:16:03,974 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 13:16:03,988 INFO L413 NwaCegarLoop]: 788 mSDtfsCounter, 781 mSDsluCounter, 886 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 262 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 852 SdHoareTripleChecker+Valid, 1674 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 262 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 13:16:03,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [852 Valid, 1674 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [262 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 13:16:04,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1005 states. [2022-10-16 13:16:04,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1005 to 940. [2022-10-16 13:16:04,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 940 states, 698 states have (on average 1.3782234957020056) internal successors, (962), 712 states have internal predecessors, (962), 170 states have call successors, (170), 60 states have call predecessors, (170), 60 states have return successors, (170), 170 states have call predecessors, (170), 170 states have call successors, (170) [2022-10-16 13:16:04,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 940 states and 1302 transitions. [2022-10-16 13:16:04,210 INFO L78 Accepts]: Start accepts. Automaton has 940 states and 1302 transitions. Word has length 34 [2022-10-16 13:16:04,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:16:04,211 INFO L495 AbstractCegarLoop]: Abstraction has 940 states and 1302 transitions. [2022-10-16 13:16:04,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 13:16:04,212 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1302 transitions. [2022-10-16 13:16:04,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-16 13:16:04,216 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:16:04,217 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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 13:16:04,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 13:16:04,217 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [max3421_hub_controlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, max3421_hub_controlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, max3421_hub_controlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 13:16:04,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:16:04,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1541910947, now seen corresponding path program 1 times [2022-10-16 13:16:04,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:16:04,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734393075] [2022-10-16 13:16:04,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:16:04,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:16:04,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:04,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:16:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:04,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:16:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:04,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:16:04,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:04,459 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-16 13:16:04,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:16:04,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734393075] [2022-10-16 13:16:04,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734393075] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:16:04,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:16:04,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:16:04,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497873504] [2022-10-16 13:16:04,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:16:04,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:16:04,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:16:04,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:16:04,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:16:04,464 INFO L87 Difference]: Start difference. First operand 940 states and 1302 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 13:16:05,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:16:05,725 INFO L93 Difference]: Finished difference Result 2226 states and 3077 transitions. [2022-10-16 13:16:05,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:16:05,726 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2022-10-16 13:16:05,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:16:05,739 INFO L225 Difference]: With dead ends: 2226 [2022-10-16 13:16:05,739 INFO L226 Difference]: Without dead ends: 1313 [2022-10-16 13:16:05,744 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 13:16:05,745 INFO L413 NwaCegarLoop]: 872 mSDtfsCounter, 464 mSDsluCounter, 879 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 509 SdHoareTripleChecker+Valid, 1751 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:16:05,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [509 Valid, 1751 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 13:16:05,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1313 states. [2022-10-16 13:16:05,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1313 to 1233. [2022-10-16 13:16:05,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1233 states, 930 states have (on average 1.3688172043010753) internal successors, (1273), 946 states have internal predecessors, (1273), 209 states have call successors, (209), 82 states have call predecessors, (209), 82 states have return successors, (209), 208 states have call predecessors, (209), 209 states have call successors, (209) [2022-10-16 13:16:05,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 1233 states and 1691 transitions. [2022-10-16 13:16:05,842 INFO L78 Accepts]: Start accepts. Automaton has 1233 states and 1691 transitions. Word has length 38 [2022-10-16 13:16:05,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:16:05,843 INFO L495 AbstractCegarLoop]: Abstraction has 1233 states and 1691 transitions. [2022-10-16 13:16:05,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-16 13:16:05,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1233 states and 1691 transitions. [2022-10-16 13:16:05,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 13:16:05,847 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:16:05,847 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1] [2022-10-16 13:16:05,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 13:16:05,848 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [max3421_hub_controlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, max3421_hub_controlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, max3421_hub_controlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 13:16:05,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:16:05,849 INFO L85 PathProgramCache]: Analyzing trace with hash 363932090, now seen corresponding path program 1 times [2022-10-16 13:16:05,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:16:05,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838446835] [2022-10-16 13:16:05,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:16:05,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:16:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:06,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:16:06,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:06,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:16:06,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:06,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:16:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:06,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-16 13:16:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:06,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:16:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:06,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:16:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:06,163 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-10-16 13:16:06,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:16:06,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838446835] [2022-10-16 13:16:06,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838446835] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:16:06,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:16:06,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 13:16:06,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570350292] [2022-10-16 13:16:06,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:16:06,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:16:06,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:16:06,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:16:06,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:16:06,167 INFO L87 Difference]: Start difference. First operand 1233 states and 1691 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-16 13:16:07,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:16:07,523 INFO L93 Difference]: Finished difference Result 2582 states and 3568 transitions. [2022-10-16 13:16:07,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:16:07,524 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 65 [2022-10-16 13:16:07,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:16:07,542 INFO L225 Difference]: With dead ends: 2582 [2022-10-16 13:16:07,543 INFO L226 Difference]: Without dead ends: 2574 [2022-10-16 13:16:07,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 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 13:16:07,546 INFO L413 NwaCegarLoop]: 776 mSDtfsCounter, 894 mSDsluCounter, 837 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 280 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 979 SdHoareTripleChecker+Valid, 1613 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 280 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:16:07,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [979 Valid, 1613 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [280 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 13:16:07,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2574 states. [2022-10-16 13:16:07,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2574 to 2424. [2022-10-16 13:16:07,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2424 states, 1841 states have (on average 1.3633894622487779) internal successors, (2510), 1862 states have internal predecessors, (2510), 411 states have call successors, (411), 160 states have call predecessors, (411), 160 states have return successors, (411), 409 states have call predecessors, (411), 411 states have call successors, (411) [2022-10-16 13:16:07,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2424 states to 2424 states and 3332 transitions. [2022-10-16 13:16:07,727 INFO L78 Accepts]: Start accepts. Automaton has 2424 states and 3332 transitions. Word has length 65 [2022-10-16 13:16:07,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:16:07,728 INFO L495 AbstractCegarLoop]: Abstraction has 2424 states and 3332 transitions. [2022-10-16 13:16:07,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-16 13:16:07,728 INFO L276 IsEmpty]: Start isEmpty. Operand 2424 states and 3332 transitions. [2022-10-16 13:16:07,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 13:16:07,735 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:16:07,735 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2022-10-16 13:16:07,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 13:16:07,736 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [max3421_hub_controlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, max3421_hub_controlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, max3421_hub_controlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 13:16:07,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:16:07,736 INFO L85 PathProgramCache]: Analyzing trace with hash -728586417, now seen corresponding path program 1 times [2022-10-16 13:16:07,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:16:07,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51891096] [2022-10-16 13:16:07,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:16:07,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:16:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:07,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:16:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:08,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:16:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:08,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:16:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:08,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-16 13:16:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:08,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:16:08,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:08,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:16:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:08,071 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-10-16 13:16:08,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:16:08,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51891096] [2022-10-16 13:16:08,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51891096] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:16:08,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:16:08,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:16:08,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834123276] [2022-10-16 13:16:08,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:16:08,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:16:08,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:16:08,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:16:08,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:16:08,076 INFO L87 Difference]: Start difference. First operand 2424 states and 3332 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-16 13:16:10,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:16:10,740 INFO L93 Difference]: Finished difference Result 6313 states and 8723 transitions. [2022-10-16 13:16:10,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:16:10,741 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 79 [2022-10-16 13:16:10,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:16:10,783 INFO L225 Difference]: With dead ends: 6313 [2022-10-16 13:16:10,783 INFO L226 Difference]: Without dead ends: 5106 [2022-10-16 13:16:10,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:16:10,795 INFO L413 NwaCegarLoop]: 1359 mSDtfsCounter, 958 mSDsluCounter, 1955 mSDsCounter, 0 mSdLazyCounter, 1165 mSolverCounterSat, 285 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1015 SdHoareTripleChecker+Valid, 3314 SdHoareTripleChecker+Invalid, 1450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 285 IncrementalHoareTripleChecker+Valid, 1165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:16:10,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1015 Valid, 3314 Invalid, 1450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [285 Valid, 1165 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 13:16:10,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5106 states. [2022-10-16 13:16:11,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5106 to 2432. [2022-10-16 13:16:11,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2432 states, 1849 states have (on average 1.361817198485668) internal successors, (2518), 1870 states have internal predecessors, (2518), 411 states have call successors, (411), 160 states have call predecessors, (411), 160 states have return successors, (411), 409 states have call predecessors, (411), 411 states have call successors, (411) [2022-10-16 13:16:11,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2432 states to 2432 states and 3340 transitions. [2022-10-16 13:16:11,061 INFO L78 Accepts]: Start accepts. Automaton has 2432 states and 3340 transitions. Word has length 79 [2022-10-16 13:16:11,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:16:11,063 INFO L495 AbstractCegarLoop]: Abstraction has 2432 states and 3340 transitions. [2022-10-16 13:16:11,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-16 13:16:11,063 INFO L276 IsEmpty]: Start isEmpty. Operand 2432 states and 3340 transitions. [2022-10-16 13:16:11,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 13:16:11,071 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:16:11,071 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2022-10-16 13:16:11,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 13:16:11,072 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [max3421_hub_controlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, max3421_hub_controlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, max3421_hub_controlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 13:16:11,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:16:11,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1567079539, now seen corresponding path program 1 times [2022-10-16 13:16:11,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:16:11,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825551018] [2022-10-16 13:16:11,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:16:11,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:16:11,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:11,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:16:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:11,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:16:11,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:11,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:16:11,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:11,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-16 13:16:11,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:11,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:16:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:11,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:16:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:11,433 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-10-16 13:16:11,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:16:11,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825551018] [2022-10-16 13:16:11,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825551018] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:16:11,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:16:11,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:16:11,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827700830] [2022-10-16 13:16:11,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:16:11,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:16:11,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:16:11,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:16:11,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:16:11,438 INFO L87 Difference]: Start difference. First operand 2432 states and 3340 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-16 13:16:12,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:16:12,869 INFO L93 Difference]: Finished difference Result 5026 states and 6921 transitions. [2022-10-16 13:16:12,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:16:12,870 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 81 [2022-10-16 13:16:12,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:16:12,889 INFO L225 Difference]: With dead ends: 5026 [2022-10-16 13:16:12,890 INFO L226 Difference]: Without dead ends: 2624 [2022-10-16 13:16:12,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 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 13:16:12,901 INFO L413 NwaCegarLoop]: 885 mSDtfsCounter, 801 mSDsluCounter, 815 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 238 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 878 SdHoareTripleChecker+Valid, 1700 SdHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 238 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:16:12,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [878 Valid, 1700 Invalid, 756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [238 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 13:16:12,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2624 states. [2022-10-16 13:16:13,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2624 to 2466. [2022-10-16 13:16:13,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2466 states, 1878 states have (on average 1.3610223642172523) internal successors, (2556), 1899 states have internal predecessors, (2556), 410 states have call successors, (410), 166 states have call predecessors, (410), 166 states have return successors, (410), 408 states have call predecessors, (410), 410 states have call successors, (410) [2022-10-16 13:16:13,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2466 states to 2466 states and 3376 transitions. [2022-10-16 13:16:13,089 INFO L78 Accepts]: Start accepts. Automaton has 2466 states and 3376 transitions. Word has length 81 [2022-10-16 13:16:13,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:16:13,090 INFO L495 AbstractCegarLoop]: Abstraction has 2466 states and 3376 transitions. [2022-10-16 13:16:13,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-16 13:16:13,091 INFO L276 IsEmpty]: Start isEmpty. Operand 2466 states and 3376 transitions. [2022-10-16 13:16:13,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 13:16:13,095 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:16:13,096 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-10-16 13:16:13,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 13:16:13,096 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [max3421_hub_controlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, max3421_hub_controlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, max3421_hub_controlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 13:16:13,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:16:13,104 INFO L85 PathProgramCache]: Analyzing trace with hash -595376890, now seen corresponding path program 1 times [2022-10-16 13:16:13,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:16:13,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435532744] [2022-10-16 13:16:13,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:16:13,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:16:13,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:13,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:16:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:13,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:16:13,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:13,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:16:13,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:13,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-16 13:16:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:13,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:16:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:13,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:16:13,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:13,484 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-10-16 13:16:13,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:16:13,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435532744] [2022-10-16 13:16:13,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435532744] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:16:13,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:16:13,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:16:13,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354175160] [2022-10-16 13:16:13,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:16:13,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:16:13,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:16:13,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:16:13,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:16:13,489 INFO L87 Difference]: Start difference. First operand 2466 states and 3376 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-16 13:16:14,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:16:14,944 INFO L93 Difference]: Finished difference Result 5983 states and 8228 transitions. [2022-10-16 13:16:14,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:16:14,945 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 87 [2022-10-16 13:16:14,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:16:14,974 INFO L225 Difference]: With dead ends: 5983 [2022-10-16 13:16:14,974 INFO L226 Difference]: Without dead ends: 3616 [2022-10-16 13:16:14,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 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 13:16:14,987 INFO L413 NwaCegarLoop]: 878 mSDtfsCounter, 770 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 845 SdHoareTripleChecker+Valid, 1672 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 274 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:16:14,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [845 Valid, 1672 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [274 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 13:16:14,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3616 states. [2022-10-16 13:16:15,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3616 to 3387. [2022-10-16 13:16:15,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3387 states, 2605 states have (on average 1.344721689059501) internal successors, (3503), 2630 states have internal predecessors, (3503), 533 states have call successors, (533), 237 states have call predecessors, (533), 237 states have return successors, (533), 530 states have call predecessors, (533), 533 states have call successors, (533) [2022-10-16 13:16:15,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3387 states to 3387 states and 4569 transitions. [2022-10-16 13:16:15,328 INFO L78 Accepts]: Start accepts. Automaton has 3387 states and 4569 transitions. Word has length 87 [2022-10-16 13:16:15,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:16:15,328 INFO L495 AbstractCegarLoop]: Abstraction has 3387 states and 4569 transitions. [2022-10-16 13:16:15,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-16 13:16:15,329 INFO L276 IsEmpty]: Start isEmpty. Operand 3387 states and 4569 transitions. [2022-10-16 13:16:15,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 13:16:15,341 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:16:15,341 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 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, 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 13:16:15,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 13:16:15,342 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [max3421_hub_controlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, max3421_hub_controlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, max3421_hub_controlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 13:16:15,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:16:15,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1472153100, now seen corresponding path program 1 times [2022-10-16 13:16:15,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:16:15,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119787084] [2022-10-16 13:16:15,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:16:15,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:16:15,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:15,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:16:15,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:15,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:16:15,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:15,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:16:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:15,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-16 13:16:15,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:15,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:16:15,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:15,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:16:15,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:15,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-16 13:16:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:15,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-16 13:16:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:15,796 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-10-16 13:16:15,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:16:15,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119787084] [2022-10-16 13:16:15,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119787084] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:16:15,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193130745] [2022-10-16 13:16:15,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:16:15,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:16:15,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:16:15,803 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:16:15,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 13:16:16,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:16,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 1255 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 13:16:16,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:16:16,351 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-16 13:16:16,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:16:16,528 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-10-16 13:16:16,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1193130745] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:16:16,529 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 13:16:16,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 8 [2022-10-16 13:16:16,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076384358] [2022-10-16 13:16:16,529 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 13:16:16,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 13:16:16,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:16:16,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 13:16:16,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-10-16 13:16:16,532 INFO L87 Difference]: Start difference. First operand 3387 states and 4569 transitions. Second operand has 9 states, 8 states have (on average 18.125) internal successors, (145), 7 states have internal predecessors, (145), 4 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2022-10-16 13:16:22,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:16:22,555 INFO L93 Difference]: Finished difference Result 9488 states and 12823 transitions. [2022-10-16 13:16:22,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 13:16:22,556 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 18.125) internal successors, (145), 7 states have internal predecessors, (145), 4 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 92 [2022-10-16 13:16:22,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:16:22,615 INFO L225 Difference]: With dead ends: 9488 [2022-10-16 13:16:22,615 INFO L226 Difference]: Without dead ends: 9484 [2022-10-16 13:16:22,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=125, Invalid=217, Unknown=0, NotChecked=0, Total=342 [2022-10-16 13:16:22,620 INFO L413 NwaCegarLoop]: 985 mSDtfsCounter, 5604 mSDsluCounter, 2104 mSDsCounter, 0 mSdLazyCounter, 2677 mSolverCounterSat, 2323 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5882 SdHoareTripleChecker+Valid, 3089 SdHoareTripleChecker+Invalid, 5000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2323 IncrementalHoareTripleChecker+Valid, 2677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:16:22,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5882 Valid, 3089 Invalid, 5000 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2323 Valid, 2677 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-10-16 13:16:22,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9484 states. [2022-10-16 13:16:23,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9484 to 5718. [2022-10-16 13:16:23,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5718 states, 4393 states have (on average 1.333485089915775) internal successors, (5858), 4427 states have internal predecessors, (5858), 915 states have call successors, (915), 400 states have call predecessors, (915), 400 states have return successors, (915), 910 states have call predecessors, (915), 915 states have call successors, (915) [2022-10-16 13:16:23,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5718 states to 5718 states and 7688 transitions. [2022-10-16 13:16:23,236 INFO L78 Accepts]: Start accepts. Automaton has 5718 states and 7688 transitions. Word has length 92 [2022-10-16 13:16:23,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:16:23,237 INFO L495 AbstractCegarLoop]: Abstraction has 5718 states and 7688 transitions. [2022-10-16 13:16:23,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 18.125) internal successors, (145), 7 states have internal predecessors, (145), 4 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2022-10-16 13:16:23,239 INFO L276 IsEmpty]: Start isEmpty. Operand 5718 states and 7688 transitions. [2022-10-16 13:16:23,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 13:16:23,245 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:16:23,245 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 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, 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 13:16:23,293 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-10-16 13:16:23,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:16:23,462 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [max3421_hub_controlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, max3421_hub_controlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, max3421_hub_controlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 13:16:23,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:16:23,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1607895021, now seen corresponding path program 1 times [2022-10-16 13:16:23,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:16:23,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830591126] [2022-10-16 13:16:23,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:16:23,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:16:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:23,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:16:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:23,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:16:23,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:23,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:16:23,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:23,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-16 13:16:23,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:23,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:16:23,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:23,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:16:23,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:23,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-16 13:16:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:23,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-16 13:16:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:23,893 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-10-16 13:16:23,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:16:23,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830591126] [2022-10-16 13:16:23,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830591126] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:16:23,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227038024] [2022-10-16 13:16:23,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:16:23,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:16:23,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:16:23,896 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:16:23,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 13:16:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:24,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 1256 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 13:16:24,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:16:24,373 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-16 13:16:24,374 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:16:24,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227038024] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:16:24,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:16:24,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-10-16 13:16:24,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980644144] [2022-10-16 13:16:24,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:16:24,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:16:24,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:16:24,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:16:24,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:16:24,376 INFO L87 Difference]: Start difference. First operand 5718 states and 7688 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 13:16:25,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:16:25,525 INFO L93 Difference]: Finished difference Result 10381 states and 13989 transitions. [2022-10-16 13:16:25,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:16:25,526 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 93 [2022-10-16 13:16:25,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:16:25,576 INFO L225 Difference]: With dead ends: 10381 [2022-10-16 13:16:25,577 INFO L226 Difference]: Without dead ends: 10377 [2022-10-16 13:16:25,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:16:25,583 INFO L413 NwaCegarLoop]: 1333 mSDtfsCounter, 1574 mSDsluCounter, 1244 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1574 SdHoareTripleChecker+Valid, 2577 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 13:16:25,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1574 Valid, 2577 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 13:16:25,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10377 states. [2022-10-16 13:16:26,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10377 to 8877. [2022-10-16 13:16:26,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8877 states, 6841 states have (on average 1.3407396579447448) internal successors, (9172), 6888 states have internal predecessors, (9172), 1406 states have call successors, (1406), 620 states have call predecessors, (1406), 620 states have return successors, (1406), 1398 states have call predecessors, (1406), 1406 states have call successors, (1406) [2022-10-16 13:16:26,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8877 states to 8877 states and 11984 transitions. [2022-10-16 13:16:26,337 INFO L78 Accepts]: Start accepts. Automaton has 8877 states and 11984 transitions. Word has length 93 [2022-10-16 13:16:26,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:16:26,338 INFO L495 AbstractCegarLoop]: Abstraction has 8877 states and 11984 transitions. [2022-10-16 13:16:26,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 13:16:26,338 INFO L276 IsEmpty]: Start isEmpty. Operand 8877 states and 11984 transitions. [2022-10-16 13:16:26,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 13:16:26,343 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:16:26,343 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 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 13:16:26,388 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 13:16:26,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-10-16 13:16:26,558 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting max3421_hub_controlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [max3421_hub_controlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, max3421_hub_controlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, max3421_hub_controlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 13:16:26,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:16:26,559 INFO L85 PathProgramCache]: Analyzing trace with hash 218266177, now seen corresponding path program 1 times [2022-10-16 13:16:26,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:16:26,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706581768] [2022-10-16 13:16:26,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:16:26,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:16:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 13:16:26,703 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-16 13:16:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 13:16:26,911 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-16 13:16:26,912 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-16 13:16:26,913 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location max3421_hub_controlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 14 remaining) [2022-10-16 13:16:26,915 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location max3421_hub_controlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 14 remaining) [2022-10-16 13:16:26,916 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location max3421_hub_controlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 14 remaining) [2022-10-16 13:16:26,916 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location max3421_hub_controlErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 14 remaining) [2022-10-16 13:16:26,916 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location max3421_gpout_set_valueErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 14 remaining) [2022-10-16 13:16:26,917 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location max3421_gpout_set_valueErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 14 remaining) [2022-10-16 13:16:26,917 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 14 remaining) [2022-10-16 13:16:26,917 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 14 remaining) [2022-10-16 13:16:26,917 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 14 remaining) [2022-10-16 13:16:26,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 14 remaining) [2022-10-16 13:16:26,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 14 remaining) [2022-10-16 13:16:26,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 14 remaining) [2022-10-16 13:16:26,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 14 remaining) [2022-10-16 13:16:26,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 14 remaining) [2022-10-16 13:16:26,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 13:16:26,923 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:16:26,929 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 13:16:27,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:16:27 BoogieIcfgContainer [2022-10-16 13:16:27,250 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 13:16:27,250 INFO L158 Benchmark]: Toolchain (without parser) took 31192.57ms. Allocated memory was 151.0MB in the beginning and 471.9MB in the end (delta: 320.9MB). Free memory was 117.3MB in the beginning and 337.6MB in the end (delta: -220.3MB). Peak memory consumption was 342.2MB. Max. memory is 8.0GB. [2022-10-16 13:16:27,251 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 151.0MB. Free memory is still 121.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 13:16:27,251 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2370.62ms. Allocated memory is still 151.0MB. Free memory was 117.0MB in the beginning and 94.3MB in the end (delta: 22.8MB). Peak memory consumption was 90.6MB. Max. memory is 8.0GB. [2022-10-16 13:16:27,252 INFO L158 Benchmark]: Boogie Procedure Inliner took 315.69ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 94.3MB in the beginning and 152.0MB in the end (delta: -57.7MB). Peak memory consumption was 14.6MB. Max. memory is 8.0GB. [2022-10-16 13:16:27,252 INFO L158 Benchmark]: Boogie Preprocessor took 176.27ms. Allocated memory is still 203.4MB. Free memory was 152.0MB in the beginning and 142.1MB in the end (delta: 9.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-10-16 13:16:27,252 INFO L158 Benchmark]: RCFGBuilder took 2222.24ms. Allocated memory is still 203.4MB. Free memory was 142.1MB in the beginning and 100.7MB in the end (delta: 41.4MB). Peak memory consumption was 52.4MB. Max. memory is 8.0GB. [2022-10-16 13:16:27,253 INFO L158 Benchmark]: TraceAbstraction took 26092.13ms. Allocated memory was 203.4MB in the beginning and 471.9MB in the end (delta: 268.4MB). Free memory was 100.1MB in the beginning and 337.6MB in the end (delta: -237.5MB). Peak memory consumption was 271.6MB. Max. memory is 8.0GB. [2022-10-16 13:16:27,255 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 151.0MB. Free memory is still 121.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 2370.62ms. Allocated memory is still 151.0MB. Free memory was 117.0MB in the beginning and 94.3MB in the end (delta: 22.8MB). Peak memory consumption was 90.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 315.69ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 94.3MB in the beginning and 152.0MB in the end (delta: -57.7MB). Peak memory consumption was 14.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 176.27ms. Allocated memory is still 203.4MB. Free memory was 152.0MB in the beginning and 142.1MB in the end (delta: 9.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * RCFGBuilder took 2222.24ms. Allocated memory is still 203.4MB. Free memory was 142.1MB in the beginning and 100.7MB in the end (delta: 41.4MB). Peak memory consumption was 52.4MB. Max. memory is 8.0GB. * TraceAbstraction took 26092.13ms. Allocated memory was 203.4MB in the beginning and 471.9MB in the end (delta: 268.4MB). Free memory was 100.1MB in the beginning and 337.6MB in the end (delta: -237.5MB). Peak memory consumption was 271.6MB. 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: 5771]: 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 5760, overapproximation of shiftLeft at line 5771. Possible FailurePath: [L4010] int ldv_irq_1_2 = 0; [L4011] int LDV_IN_INTERRUPT = 1; [L4012] int ldv_irq_1_3 = 0; [L4013] void *ldv_irq_data_1_1 ; [L4014] int ldv_irq_1_1 = 0; [L4015] int ldv_irq_1_0 = 0; [L4016] struct urb *max3421_hcd_desc_group0 ; [L4017] int ldv_irq_line_1_3 ; [L4018] void *ldv_irq_data_1_0 ; [L4019] int ldv_state_variable_0 ; [L4020] struct usb_hcd *max3421_hcd_desc_group1 ; [L4021] int ldv_state_variable_3 ; [L4022] int ldv_irq_line_1_0 ; [L4023] int ldv_state_variable_2 ; [L4024] void *ldv_irq_data_1_3 ; [L4025] struct spi_device *max3421_driver_group0 ; [L4026] int ref_cnt ; [L4027] int ldv_irq_line_1_1 ; [L4028] void *ldv_irq_data_1_2 ; [L4029] int ldv_state_variable_1 ; [L4030] int ldv_irq_line_1_2 ; [L4208] static struct max3421_hcd *max3421_hcd_list ; [L4209-L4213] static int const hrsl_to_error[16U] = { 0, -22, -22, -22, -11, -32, -84, -71, -121, -71, -71, -84, -5, -5, -62, -75}; [L5882-L5888] static struct hc_driver max3421_hcd_desc = {"max3421", "MAX3421 USB Host-Controller Driver", 192UL, 0, 16, & max3421_reset, & max3421_start, 0, 0, & max3421_stop, 0, & max3421_get_frame_number, & max3421_urb_enqueue, & max3421_urb_dequeue, & max3421_map_urb_for_dma, & max3421_unmap_urb_for_dma, & max3421_endpoint_disable, 0, & max3421_hub_status_data, & max3421_hub_control, & max3421_bus_suspend, & max3421_bus_resume, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L6027-L6029] static struct spi_driver max3421_driver = {0, & max3421_probe, & max3421_remove, 0, 0, 0, {"max3421-hcd", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}; [L6045] int ldv_retval_0 ; [L6046] int ldv_retval_1 ; [L6049] int ldv_retval_2 ; [L6545] int ldv_spin = 0; VAL [__this_module={4294967298:4294967299}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6194] char *ldvarg7 ; [L6195] void *tmp ; [L6196] u16 ldvarg3 ; [L6197] u16 tmp___0 ; [L6198] u16 ldvarg0 ; [L6199] u16 tmp___1 ; [L6200] gfp_t ldvarg5 ; [L6201] gfp_t ldvarg6 ; [L6202] struct usb_host_endpoint *ldvarg8 ; [L6203] void *tmp___2 ; [L6204] u16 ldvarg1 ; [L6205] u16 tmp___3 ; [L6206] char *ldvarg4 ; [L6207] void *tmp___4 ; [L6208] int ldvarg9 ; [L6209] int tmp___5 ; [L6210] u16 ldvarg2 ; [L6211] u16 tmp___6 ; [L6212] int tmp___7 ; [L6213] int tmp___8 ; [L6214] int tmp___9 ; [L6215] int tmp___10 ; VAL [__this_module={4294967298:4294967299}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6217] CALL, EXPR ldv_zalloc(1UL) VAL [__this_module={4294967298:4294967299}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __this_module={4294967298:4294967299}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=1, tmp___0=-2] [L6217] RET, EXPR ldv_zalloc(1UL) VAL [__this_module={4294967298:4294967299}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(1UL)={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6217] tmp = ldv_zalloc(1UL) [L6218] ldvarg7 = (char *)tmp [L6219] tmp___0 = __VERIFIER_nondet_u16() [L6220] ldvarg3 = tmp___0 [L6221] tmp___1 = __VERIFIER_nondet_u16() [L6222] ldvarg0 = tmp___1 VAL [__this_module={4294967298:4294967299}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=0, ldvarg3=8961, ldvarg7={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=8961, tmp___1=0] [L6223] CALL, EXPR ldv_zalloc(72UL) VAL [__this_module={4294967298:4294967299}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=72, \result={0:0}, __this_module={4294967298:4294967299}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=72, tmp___0=-3] [L6223] RET, EXPR ldv_zalloc(72UL) VAL [__this_module={4294967298:4294967299}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(72UL)={0:0}, ldvarg0=0, ldvarg3=8961, ldvarg7={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=8961, tmp___1=0] [L6223] tmp___2 = ldv_zalloc(72UL) [L6224] ldvarg8 = (struct usb_host_endpoint *)tmp___2 [L6225] tmp___3 = __VERIFIER_nondet_u16() [L6226] ldvarg1 = tmp___3 VAL [__this_module={4294967298:4294967299}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=0, ldvarg1=0, ldvarg3=8961, ldvarg7={0:0}, ldvarg8={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=8961, tmp___1=0, tmp___2={0:0}, tmp___3=0] [L6227] CALL, EXPR ldv_zalloc(1UL) VAL [__this_module={4294967298:4294967299}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __this_module={4294967298:4294967299}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=1, tmp___0=-4] [L6227] RET, EXPR ldv_zalloc(1UL) VAL [__this_module={4294967298:4294967299}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(1UL)={0:0}, ldvarg0=0, ldvarg1=0, ldvarg3=8961, ldvarg7={0:0}, ldvarg8={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=8961, tmp___1=0, tmp___2={0:0}, tmp___3=0] [L6227] tmp___4 = ldv_zalloc(1UL) [L6228] ldvarg4 = (char *)tmp___4 [L6229] tmp___5 = __VERIFIER_nondet_int() [L6230] ldvarg9 = tmp___5 [L6231] tmp___6 = __VERIFIER_nondet_u16() [L6232] ldvarg2 = tmp___6 [L6233] FCALL ldv_initialize() [L6234] ldvarg5 = (gfp_t)__VERIFIER_nondet_int() [L6235] ldvarg6 = (gfp_t)__VERIFIER_nondet_int() [L6236] ldv_state_variable_1 = 1 [L6237] ref_cnt = 0 [L6238] ldv_state_variable_0 = 1 [L6239] ldv_state_variable_3 = 0 [L6240] ldv_state_variable_2 = 0 VAL [__this_module={4294967298:4294967299}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=0, ldvarg1=0, ldvarg2=0, ldvarg3=8961, ldvarg4={0:0}, ldvarg5=4294967288, ldvarg6=4294967289, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=-6, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=8961, tmp___1=0, tmp___2={0:0}, tmp___3=0, tmp___4={0:0}, tmp___5=-6, tmp___6=0] [L6242] tmp___7 = __VERIFIER_nondet_int() [L6244] case 0: [L6250] case 1: VAL [__this_module={4294967298:4294967299}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=0, ldvarg1=0, ldvarg2=0, ldvarg3=8961, ldvarg4={0:0}, ldvarg5=4294967288, ldvarg6=4294967289, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=-6, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=8961, tmp___1=0, tmp___2={0:0}, tmp___3=0, tmp___4={0:0}, tmp___5=-6, tmp___6=0, tmp___7=1] [L6251] COND TRUE ldv_state_variable_0 != 0 [L6252] tmp___8 = __VERIFIER_nondet_int() [L6254] case 0: [L6262] case 1: VAL [__this_module={4294967298:4294967299}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=0, ldvarg1=0, ldvarg2=0, ldvarg3=8961, ldvarg4={0:0}, ldvarg5=4294967288, ldvarg6=4294967289, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=-6, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=8961, tmp___1=0, tmp___2={0:0}, tmp___3=0, tmp___4={0:0}, tmp___5=-6, tmp___6=0, tmp___7=1, tmp___8=1] [L6263] COND TRUE ldv_state_variable_0 == 1 [L6264] CALL, EXPR max3421_driver_init() [L6032] int tmp ; [L6034] CALL, EXPR spi_register_driver(& max3421_driver) [L6691] return __VERIFIER_nondet_int(); [L6034] RET, EXPR spi_register_driver(& max3421_driver) [L6034] tmp = spi_register_driver(& max3421_driver) [L6035] return (tmp); VAL [\result=0, __this_module={4294967298:4294967299}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp=0] [L6264] RET, EXPR max3421_driver_init() [L6264] ldv_retval_0 = max3421_driver_init() [L6265] COND TRUE ldv_retval_0 == 0 [L6266] ldv_state_variable_0 = 3 [L6267] ldv_state_variable_2 = 1 [L6268] CALL ldv_initialize_spi_driver_2() [L6159] void *tmp ; VAL [__this_module={4294967298:4294967299}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6161] CALL, EXPR ldv_zalloc(1496UL) VAL [__this_module={4294967298:4294967299}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=1496, \result={0:0}, __this_module={4294967298:4294967299}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=1496, tmp___0=-9] [L6161] RET, EXPR ldv_zalloc(1496UL) VAL [__this_module={4294967298:4294967299}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_zalloc(1496UL)={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6161] tmp = ldv_zalloc(1496UL) [L6162] max3421_driver_group0 = (struct spi_device *)tmp VAL [__this_module={4294967298:4294967299}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}] [L6268] RET ldv_initialize_spi_driver_2() [L6269] ldv_state_variable_3 = 1 [L6270] CALL ldv_initialize_hc_driver_3() [L6122] void *tmp ; [L6123] void *tmp___0 ; VAL [__this_module={4294967298:4294967299}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6125] CALL, EXPR ldv_zalloc(192UL) VAL [__this_module={4294967298:4294967299}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=192, \result={0:0}, __this_module={4294967298:4294967299}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=192, tmp___0=-10] [L6125] RET, EXPR ldv_zalloc(192UL) VAL [__this_module={4294967298:4294967299}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_zalloc(192UL)={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6125] tmp = ldv_zalloc(192UL) [L6126] max3421_hcd_desc_group0 = (struct urb *)tmp VAL [__this_module={4294967298:4294967299}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}] [L6127] CALL, EXPR ldv_zalloc(968UL) VAL [__this_module={4294967298:4294967299}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=968, \result={0:0}, __this_module={4294967298:4294967299}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=968, tmp___0=-12] [L6127] RET, EXPR ldv_zalloc(968UL) VAL [__this_module={4294967298:4294967299}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_zalloc(968UL)={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}] [L6127] tmp___0 = ldv_zalloc(968UL) [L6128] max3421_hcd_desc_group1 = (struct usb_hcd *)tmp___0 VAL [__this_module={4294967298:4294967299}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}] [L6270] RET ldv_initialize_hc_driver_3() [L6273] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={4294967298:4294967299}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=0, ldvarg1=0, ldvarg2=0, ldvarg3=8961, ldvarg4={0:0}, ldvarg5=4294967288, ldvarg6=4294967289, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=-6, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=8961, tmp___1=0, tmp___2={0:0}, tmp___3=0, tmp___4={0:0}, tmp___5=-6, tmp___6=0, tmp___7=1, tmp___8=1] [L6242] tmp___7 = __VERIFIER_nondet_int() [L6244] case 0: [L6250] case 1: [L6288] case 2: VAL [__this_module={4294967298:4294967299}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=0, ldvarg1=0, ldvarg2=0, ldvarg3=8961, ldvarg4={0:0}, ldvarg5=4294967288, ldvarg6=4294967289, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=-6, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=8961, tmp___1=0, tmp___2={0:0}, tmp___3=0, tmp___4={0:0}, tmp___5=-6, tmp___6=0, tmp___7=2, tmp___8=1] [L6289] COND TRUE ldv_state_variable_3 != 0 [L6290] tmp___9 = __VERIFIER_nondet_int() [L6292] case 0: [L6303] case 1: [L6315] case 2: [L6327] case 3: [L6339] case 4: [L6351] case 5: [L6363] case 6: [L6375] case 7: [L6387] case 8: [L6395] case 9: [L6407] case 10: [L6419] case 11: VAL [__this_module={4294967298:4294967299}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=0, ldvarg1=0, ldvarg2=0, ldvarg3=8961, ldvarg4={0:0}, ldvarg5=4294967288, ldvarg6=4294967289, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=-6, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=8961, tmp___1=0, tmp___2={0:0}, tmp___3=0, tmp___4={0:0}, tmp___5=-6, tmp___6=0, tmp___7=2, tmp___8=1, tmp___9=11] [L6420] COND TRUE ldv_state_variable_3 == 1 VAL [__this_module={4294967298:4294967299}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=0, ldvarg1=0, ldvarg2=0, ldvarg3=8961, ldvarg4={0:0}, ldvarg5=4294967288, ldvarg6=4294967289, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=-6, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=8961, tmp___1=0, tmp___2={0:0}, tmp___3=0, tmp___4={0:0}, tmp___5=-6, tmp___6=0, tmp___7=2, tmp___8=1, tmp___9=11] [L6421-L6422] CALL max3421_hub_control(max3421_hcd_desc_group1, (int )ldvarg3, (int )ldvarg2, (int )ldvarg1, ldvarg4, (int )ldvarg0) VAL [\old(ldv_spin)=0, __this_module={4294967298:4294967299}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L5728] struct spi_device *spi ; [L5729] struct spi_device *tmp ; [L5730] struct max3421_hcd *max3421_hcd ; [L5731] struct max3421_hcd *tmp___0 ; [L5732] struct max3421_hcd_platform_data *pdata ; [L5733] unsigned long flags ; [L5734] int retval ; [L5735] struct _ddebug descriptor ; [L5736] long tmp___1 ; [L5737] struct _ddebug descriptor___0 ; [L5738] long tmp___2 ; [L5739] struct _ddebug descriptor___1 ; [L5740] long tmp___3 ; [L5742] EXPR hcd->self.controller VAL [\old(index)=0, \old(ldv_spin)=0, \old(length)=0, \old(type_req)=8961, \old(value)=0, __this_module={4294967298:4294967299}, buf={0:0}, buf={0:0}, descriptor={91:0}, descriptor___0={90:0}, descriptor___1={93:0}, hcd={0:0}, hcd={0:0}, hcd->self.controller={4294967297:0}, hrsl_to_error={87:0}, index=0, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, length=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, type_req=8961, value=0] [L5742] CALL, EXPR to_spi_device(hcd->self.controller) VAL [\old(ldv_spin)=0, __this_module={4294967298:4294967299}, dev={4294967297:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L4062] struct device const *__mptr ; [L4063] struct spi_device *tmp ; VAL [\old(ldv_spin)=0, __this_module={4294967298:4294967299}, dev={4294967297:0}, dev={4294967297:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L4065] COND TRUE (unsigned long )dev != (unsigned long )((struct device *)0) [L4066] __mptr = (struct device const *)dev [L4067] tmp = (struct spi_device *)__mptr VAL [\old(ldv_spin)=0, __mptr={4294967297:0}, __this_module={4294967298:4294967299}, dev={4294967297:0}, dev={4294967297:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={4294967297:0}] [L4071] return (tmp); VAL [\old(ldv_spin)=0, \result={4294967297:0}, __mptr={4294967297:0}, __this_module={4294967298:4294967299}, dev={4294967297:0}, dev={4294967297:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={4294967297:0}] [L5742] RET, EXPR to_spi_device(hcd->self.controller) VAL [\old(index)=0, \old(ldv_spin)=0, \old(length)=0, \old(type_req)=8961, \old(value)=0, __this_module={4294967298:4294967299}, buf={0:0}, buf={0:0}, descriptor={91:0}, descriptor___0={90:0}, descriptor___1={93:0}, hcd={0:0}, hcd={0:0}, hcd->self.controller={4294967297:0}, hrsl_to_error={87:0}, index=0, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, length=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, to_spi_device(hcd->self.controller)={4294967297:0}, type_req=8961, value=0] [L5742] tmp = to_spi_device(hcd->self.controller) [L5743] spi = tmp VAL [\old(index)=0, \old(ldv_spin)=0, \old(length)=0, \old(type_req)=8961, \old(value)=0, __this_module={4294967298:4294967299}, buf={0:0}, buf={0:0}, descriptor={91:0}, descriptor___0={90:0}, descriptor___1={93:0}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, index=0, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, length=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, spi={4294967297:0}, tmp={4294967297:0}, type_req=8961, value=0] [L5744] CALL, EXPR hcd_to_max3421(hcd) VAL [\old(ldv_spin)=0, __this_module={4294967298:4294967299}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L4223] return ((struct max3421_hcd *)(& hcd->hcd_priv)); VAL [\old(ldv_spin)=0, \result={0:571}, __this_module={4294967298:4294967299}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L5744] RET, EXPR hcd_to_max3421(hcd) VAL [\old(index)=0, \old(ldv_spin)=0, \old(length)=0, \old(type_req)=8961, \old(value)=0, __this_module={4294967298:4294967299}, buf={0:0}, buf={0:0}, descriptor={91:0}, descriptor___0={90:0}, descriptor___1={93:0}, hcd={0:0}, hcd={0:0}, hcd_to_max3421(hcd)={0:571}, hrsl_to_error={87:0}, index=0, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, length=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, spi={4294967297:0}, tmp={4294967297:0}, type_req=8961, value=0] [L5744] tmp___0 = hcd_to_max3421(hcd) [L5745] max3421_hcd = tmp___0 [L5746] retval = 0 VAL [\old(index)=0, \old(ldv_spin)=0, \old(length)=0, \old(type_req)=8961, \old(value)=0, __this_module={4294967298:4294967299}, buf={0:0}, buf={0:0}, descriptor={91:0}, descriptor___0={90:0}, descriptor___1={93:0}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, index=0, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, length=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd={0:571}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, retval=0, spi={4294967297:0}, tmp={4294967297:0}, tmp___0={0:571}, type_req=8961, value=0] [L5747] CALL ldv_spin_lock() VAL [\old(ldv_spin)=0, __this_module={4294967298:4294967299}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6582] ldv_spin = 1 VAL [\old(ldv_spin)=0, __this_module={4294967298:4294967299}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L5747] RET ldv_spin_lock() VAL [\old(index)=0, \old(ldv_spin)=0, \old(length)=0, \old(type_req)=8961, \old(value)=0, __this_module={4294967298:4294967299}, buf={0:0}, buf={0:0}, descriptor={91:0}, descriptor___0={90:0}, descriptor___1={93:0}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, index=0, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, length=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd={0:571}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, retval=0, spi={4294967297:0}, tmp={4294967297:0}, tmp___0={0:571}, type_req=8961, value=0] [L5748] EXPR spi->dev.platform_data [L5748] pdata = (struct max3421_hcd_platform_data *)spi->dev.platform_data [L5750] case 8193: [L5752] case 8961: [L5754] case 2: [L5756] case 8: VAL [\old(index)=0, \old(ldv_spin)=0, \old(length)=0, \old(type_req)=8961, \old(value)=0, __this_module={4294967298:4294967299}, buf={0:0}, buf={0:0}, descriptor={91:0}, descriptor___0={90:0}, descriptor___1={93:0}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, index=0, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, length=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd={0:571}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, pdata={4294967300:4294967301}, ref_cnt=0, retval=0, spi={4294967297:0}, tmp={4294967297:0}, tmp___0={0:571}, type_req=8961, value=0] [L5770] default: [L5771] max3421_hcd->port_status VAL [\old(index)=0, \old(ldv_spin)=0, \old(length)=0, \old(type_req)=8961, \old(value)=0, __this_module={4294967298:4294967299}, buf={0:0}, buf={0:0}, descriptor={91:0}, descriptor___0={90:0}, descriptor___1={93:0}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, index=0, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, length=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd={0:571}, max3421_hcd->port_status=4294967302, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, pdata={4294967300:4294967301}, ref_cnt=0, retval=0, spi={4294967297:0}, tmp={4294967297:0}, tmp___0={0:571}, type_req=8961, value=0] [L5771] 1 << (int )value VAL [\old(index)=0, \old(ldv_spin)=0, \old(length)=0, \old(type_req)=8961, \old(value)=0, __this_module={4294967298:4294967299}, buf={0:0}, buf={0:0}, descriptor={91:0}, descriptor___0={90:0}, descriptor___1={93:0}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, index=0, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, length=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd={0:571}, max3421_hcd->port_status=4294967302, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, pdata={4294967300:4294967301}, ref_cnt=0, retval=0, spi={4294967297:0}, tmp={4294967297:0}, tmp___0={0:571}, type_req=8961, value=0] - UnprovableResult [Line: 5771]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5830]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5830]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5708]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 5708]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6297]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6297]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6391]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6391]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6461]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6461]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6471]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6471]: 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, 563 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 25.7s, OverallIterations: 9, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 17.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12534 SdHoareTripleChecker+Valid, 13.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11846 mSDsluCounter, 17390 SdHoareTripleChecker+Invalid, 11.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9514 mSDsCounter, 3941 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6868 IncrementalHoareTripleChecker+Invalid, 10809 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3941 mSolverCounterUnsat, 7876 mSDtfsCounter, 6868 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 419 GetRequests, 377 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8877occurred in iteration=8, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.6s AutomataMinimizationTime, 8 MinimizatonAttempts, 8622 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 850 NumberOfCodeBlocks, 850 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 835 ConstructedInterpolants, 0 QuantifiedInterpolants, 2009 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2511 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 653/689 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 13:16:27,385 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...