/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--hisax--hfc_usb.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 02:46:56,938 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 02:46:56,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 02:46:56,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 02:46:56,962 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 02:46:56,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 02:46:56,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 02:46:56,964 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 02:46:56,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 02:46:56,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 02:46:56,975 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 02:46:56,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 02:46:56,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 02:46:56,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 02:46:56,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 02:46:56,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 02:46:56,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 02:46:56,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 02:46:56,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 02:46:56,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 02:46:56,987 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 02:46:56,989 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 02:46:56,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 02:46:56,991 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 02:46:56,998 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 02:46:56,998 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 02:46:56,998 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 02:46:57,000 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 02:46:57,000 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 02:46:57,000 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 02:46:57,001 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 02:46:57,001 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 02:46:57,002 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 02:46:57,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 02:46:57,004 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 02:46:57,004 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 02:46:57,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 02:46:57,005 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 02:46:57,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 02:46:57,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 02:46:57,006 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 02:46:57,007 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-31 02:46:57,022 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 02:46:57,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 02:46:57,022 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 02:46:57,023 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 02:46:57,023 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 02:46:57,023 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 02:46:57,023 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 02:46:57,023 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 02:46:57,024 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 02:46:57,024 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 02:46:57,024 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 02:46:57,024 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 02:46:57,024 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 02:46:57,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 02:46:57,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 02:46:57,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 02:46:57,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 02:46:57,024 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 02:46:57,025 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 02:46:57,025 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 02:46:57,025 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 02:46:57,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 02:46:57,025 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 02:46:57,025 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 02:46:57,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 02:46:57,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 02:46:57,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 02:46:57,025 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 02:46:57,025 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 02:46:57,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 02:46:57,026 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 02:46:57,026 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 02:46:57,026 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 02:46:57,026 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 02:46:57,026 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 02:46:57,026 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 02:46:57,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 02:46:57,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 02:46:57,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 02:46:57,199 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 02:46:57,199 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 02:46:57,200 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--hisax--hfc_usb.ko-entry_point.cil.out.i [2023-03-31 02:46:58,311 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 02:46:58,737 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 02:46:58,738 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--hisax--hfc_usb.ko-entry_point.cil.out.i [2023-03-31 02:46:58,770 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/224b20d47/dd63ec62059d4837a493d834add7c064/FLAG415f4a5c3 [2023-03-31 02:46:58,781 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/224b20d47/dd63ec62059d4837a493d834add7c064 [2023-03-31 02:46:58,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 02:46:58,784 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 02:46:58,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 02:46:58,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 02:46:58,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 02:46:58,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 02:46:58" (1/1) ... [2023-03-31 02:46:58,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64160713 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:46:58, skipping insertion in model container [2023-03-31 02:46:58,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 02:46:58" (1/1) ... [2023-03-31 02:46:58,793 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 02:46:58,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 02:46:59,301 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6708] [2023-03-31 02:46:59,302 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6709-6710] [2023-03-31 02:46:59,455 WARN L247 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_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--hisax--hfc_usb.ko-entry_point.cil.out.i[192641,192654] [2023-03-31 02:47:00,403 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 02:47:00,437 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 02:47:00,505 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6708] [2023-03-31 02:47:00,505 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6709-6710] [2023-03-31 02:47:00,508 WARN L247 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_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--hisax--hfc_usb.ko-entry_point.cil.out.i[192641,192654] [2023-03-31 02:47:00,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 02:47:00,718 INFO L208 MainTranslator]: Completed translation [2023-03-31 02:47:00,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:47:00 WrapperNode [2023-03-31 02:47:00,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 02:47:00,720 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 02:47:00,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 02:47:00,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 02:47:00,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:47:00" (1/1) ... [2023-03-31 02:47:00,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:47:00" (1/1) ... [2023-03-31 02:47:00,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:47:00" (1/1) ... [2023-03-31 02:47:00,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:47:00" (1/1) ... [2023-03-31 02:47:00,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:47:00" (1/1) ... [2023-03-31 02:47:00,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:47:00" (1/1) ... [2023-03-31 02:47:00,908 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:47:00" (1/1) ... [2023-03-31 02:47:00,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:47:00" (1/1) ... [2023-03-31 02:47:00,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 02:47:00,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 02:47:00,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 02:47:00,944 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 02:47:00,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:47:00" (1/1) ... [2023-03-31 02:47:00,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 02:47:00,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 02:47:00,976 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 02:47:00,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 02:47:00,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 02:47:01,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 02:47:01,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2023-03-31 02:47:01,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-03-31 02:47:01,000 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 02:47:01,000 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2023-03-31 02:47:01,000 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-31 02:47:01,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-03-31 02:47:01,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-03-31 02:47:01,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-03-31 02:47:01,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-03-31 02:47:01,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-03-31 02:47:01,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-03-31 02:47:01,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-03-31 02:47:01,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-03-31 02:47:01,001 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-03-31 02:47:01,001 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-03-31 02:47:01,001 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-03-31 02:47:01,001 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-03-31 02:47:01,001 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-03-31 02:47:01,001 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2023-03-31 02:47:01,001 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2023-03-31 02:47:01,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-03-31 02:47:01,002 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-03-31 02:47:01,002 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-03-31 02:47:01,002 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-03-31 02:47:01,002 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_packet [2023-03-31 02:47:01,002 INFO L138 BoogieDeclarations]: Found implementation of procedure symbolic [2023-03-31 02:47:01,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_start_transfer [2023-03-31 02:47:01,002 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_control_request [2023-03-31 02:47:01,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_complete [2023-03-31 02:47:01,002 INFO L138 BoogieDeclarations]: Found implementation of procedure write_led [2023-03-31 02:47:01,002 INFO L138 BoogieDeclarations]: Found implementation of procedure set_led_bit [2023-03-31 02:47:01,002 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_led [2023-03-31 02:47:01,003 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_timer_expire_t3 [2023-03-31 02:47:01,003 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_timer_expire_t4 [2023-03-31 02:47:01,003 INFO L138 BoogieDeclarations]: Found implementation of procedure s0_state_handler [2023-03-31 02:47:01,003 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_isoc_urb [2023-03-31 02:47:01,003 INFO L138 BoogieDeclarations]: Found implementation of procedure start_isoc_chain [2023-03-31 02:47:01,003 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_isoc_chain [2023-03-31 02:47:01,003 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_iso_complete [2023-03-31 02:47:01,003 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_iso_complete [2023-03-31 02:47:01,003 INFO L138 BoogieDeclarations]: Found implementation of procedure collect_rx_frame [2023-03-31 02:47:01,003 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_int_complete [2023-03-31 02:47:01,003 INFO L138 BoogieDeclarations]: Found implementation of procedure start_int_fifo [2023-03-31 02:47:01,003 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bchannel [2023-03-31 02:47:01,003 INFO L138 BoogieDeclarations]: Found implementation of procedure hfc_usb_l2l1 [2023-03-31 02:47:01,004 INFO L138 BoogieDeclarations]: Found implementation of procedure hfc_usb_init [2023-03-31 02:47:01,004 INFO L138 BoogieDeclarations]: Found implementation of procedure hfc_usb_probe [2023-03-31 02:47:01,004 INFO L138 BoogieDeclarations]: Found implementation of procedure hfc_usb_disconnect [2023-03-31 02:47:01,004 INFO L138 BoogieDeclarations]: Found implementation of procedure hfc_usb_mod_exit [2023-03-31 02:47:01,004 INFO L138 BoogieDeclarations]: Found implementation of procedure hfc_usb_mod_init [2023-03-31 02:47:01,004 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2023-03-31 02:47:01,004 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2023-03-31 02:47:01,004 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2023-03-31 02:47:01,004 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2023-03-31 02:47:01,004 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2023-03-31 02:47:01,004 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2023-03-31 02:47:01,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_3 [2023-03-31 02:47:01,004 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2023-03-31 02:47:01,005 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2023-03-31 02:47:01,005 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 02:47:01,005 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-03-31 02:47:01,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_22 [2023-03-31 02:47:01,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_24 [2023-03-31 02:47:01,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_26 [2023-03-31 02:47:01,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_27 [2023-03-31 02:47:01,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_28 [2023-03-31 02:47:01,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_29 [2023-03-31 02:47:01,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_30 [2023-03-31 02:47:01,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_31 [2023-03-31 02:47:01,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_32 [2023-03-31 02:47:01,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_33 [2023-03-31 02:47:01,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_34 [2023-03-31 02:47:01,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_35 [2023-03-31 02:47:01,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_36 [2023-03-31 02:47:01,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_37 [2023-03-31 02:47:01,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_38 [2023-03-31 02:47:01,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_39 [2023-03-31 02:47:01,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_40 [2023-03-31 02:47:01,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_41 [2023-03-31 02:47:01,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_42 [2023-03-31 02:47:01,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_43 [2023-03-31 02:47:01,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_44 [2023-03-31 02:47:01,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_45 [2023-03-31 02:47:01,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_46 [2023-03-31 02:47:01,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_47 [2023-03-31 02:47:01,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-03-31 02:47:01,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2023-03-31 02:47:01,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-03-31 02:47:01,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-03-31 02:47:01,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-03-31 02:47:01,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2023-03-31 02:47:01,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-03-31 02:47:01,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2023-03-31 02:47:01,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2023-03-31 02:47:01,007 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-03-31 02:47:01,007 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-03-31 02:47:01,007 INFO L138 BoogieDeclarations]: Found implementation of procedure hisax_register [2023-03-31 02:47:01,007 INFO L138 BoogieDeclarations]: Found implementation of procedure hisax_unregister [2023-03-31 02:47:01,008 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2023-03-31 02:47:01,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-03-31 02:47:01,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-03-31 02:47:01,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2023-03-31 02:47:01,008 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-03-31 02:47:01,008 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2023-03-31 02:47:01,008 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2023-03-31 02:47:01,008 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2023-03-31 02:47:01,008 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy [2023-03-31 02:47:01,008 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-03-31 02:47:01,008 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-03-31 02:47:01,008 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2023-03-31 02:47:01,008 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-03-31 02:47:01,008 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2023-03-31 02:47:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2023-03-31 02:47:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-03-31 02:47:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-03-31 02:47:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-03-31 02:47:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2023-03-31 02:47:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-03-31 02:47:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-03-31 02:47:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-03-31 02:47:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-03-31 02:47:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-03-31 02:47:01,009 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 02:47:01,009 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 02:47:01,010 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-03-31 02:47:01,010 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-03-31 02:47:01,010 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 02:47:01,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 02:47:01,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-03-31 02:47:01,010 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-03-31 02:47:01,010 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2023-03-31 02:47:01,010 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-03-31 02:47:01,010 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-03-31 02:47:01,010 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2023-03-31 02:47:01,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 02:47:01,010 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-03-31 02:47:01,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_34 [2023-03-31 02:47:01,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_35 [2023-03-31 02:47:01,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_44 [2023-03-31 02:47:01,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_45 [2023-03-31 02:47:01,011 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-03-31 02:47:01,011 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-03-31 02:47:01,011 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2023-03-31 02:47:01,011 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-03-31 02:47:01,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-03-31 02:47:01,011 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 02:47:01,011 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-03-31 02:47:01,011 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 02:47:01,011 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-03-31 02:47:01,011 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-31 02:47:01,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-03-31 02:47:01,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 02:47:01,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-03-31 02:47:01,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-03-31 02:47:01,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-03-31 02:47:01,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-03-31 02:47:01,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-03-31 02:47:01,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-03-31 02:47:01,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-03-31 02:47:01,012 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2023-03-31 02:47:01,012 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2023-03-31 02:47:01,012 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2023-03-31 02:47:01,012 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2023-03-31 02:47:01,012 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2023-03-31 02:47:01,012 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2023-03-31 02:47:01,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_3 [2023-03-31 02:47:01,013 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2023-03-31 02:47:01,013 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2023-03-31 02:47:01,013 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2023-03-31 02:47:01,013 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-03-31 02:47:01,013 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-03-31 02:47:01,013 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-03-31 02:47:01,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 02:47:01,013 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-03-31 02:47:01,013 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-03-31 02:47:01,013 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-03-31 02:47:01,013 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-03-31 02:47:01,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_47 [2023-03-31 02:47:01,014 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2023-03-31 02:47:01,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_46 [2023-03-31 02:47:01,014 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2023-03-31 02:47:01,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 02:47:01,014 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2023-03-31 02:47:01,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 02:47:01,014 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-03-31 02:47:01,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_36 [2023-03-31 02:47:01,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_41 [2023-03-31 02:47:01,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_43 [2023-03-31 02:47:01,014 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-03-31 02:47:01,014 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-03-31 02:47:01,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_33 [2023-03-31 02:47:01,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_37 [2023-03-31 02:47:01,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_38 [2023-03-31 02:47:01,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_39 [2023-03-31 02:47:01,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_40 [2023-03-31 02:47:01,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_42 [2023-03-31 02:47:01,015 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-03-31 02:47:01,015 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2023-03-31 02:47:01,015 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2023-03-31 02:47:01,015 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-03-31 02:47:01,015 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2023-03-31 02:47:01,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_24 [2023-03-31 02:47:01,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_32 [2023-03-31 02:47:01,015 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy [2023-03-31 02:47:01,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_26 [2023-03-31 02:47:01,015 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2023-03-31 02:47:01,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_22 [2023-03-31 02:47:01,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_30 [2023-03-31 02:47:01,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_31 [2023-03-31 02:47:01,016 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-03-31 02:47:01,016 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-03-31 02:47:01,016 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2023-03-31 02:47:01,016 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2023-03-31 02:47:01,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_27 [2023-03-31 02:47:01,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_28 [2023-03-31 02:47:01,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_29 [2023-03-31 02:47:01,016 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-03-31 02:47:01,016 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-03-31 02:47:01,016 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2023-03-31 02:47:01,017 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-03-31 02:47:01,017 INFO L130 BoogieDeclarations]: Found specification of procedure hisax_register [2023-03-31 02:47:01,017 INFO L130 BoogieDeclarations]: Found specification of procedure hisax_unregister [2023-03-31 02:47:01,017 INFO L130 BoogieDeclarations]: Found specification of procedure dump_packet [2023-03-31 02:47:01,017 INFO L130 BoogieDeclarations]: Found specification of procedure collect_rx_frame [2023-03-31 02:47:01,017 INFO L130 BoogieDeclarations]: Found specification of procedure symbolic [2023-03-31 02:47:01,017 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_start_transfer [2023-03-31 02:47:01,017 INFO L130 BoogieDeclarations]: Found specification of procedure queue_control_request [2023-03-31 02:47:01,017 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_complete [2023-03-31 02:47:01,017 INFO L130 BoogieDeclarations]: Found specification of procedure write_led [2023-03-31 02:47:01,017 INFO L130 BoogieDeclarations]: Found specification of procedure set_led_bit [2023-03-31 02:47:01,017 INFO L130 BoogieDeclarations]: Found specification of procedure handle_led [2023-03-31 02:47:01,018 INFO L130 BoogieDeclarations]: Found specification of procedure l1_timer_expire_t3 [2023-03-31 02:47:01,018 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2023-03-31 02:47:01,018 INFO L130 BoogieDeclarations]: Found specification of procedure l1_timer_expire_t4 [2023-03-31 02:47:01,018 INFO L130 BoogieDeclarations]: Found specification of procedure s0_state_handler [2023-03-31 02:47:01,018 INFO L130 BoogieDeclarations]: Found specification of procedure fill_isoc_urb [2023-03-31 02:47:01,018 INFO L130 BoogieDeclarations]: Found specification of procedure start_isoc_chain [2023-03-31 02:47:01,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-03-31 02:47:01,018 INFO L130 BoogieDeclarations]: Found specification of procedure stop_isoc_chain [2023-03-31 02:47:01,018 INFO L130 BoogieDeclarations]: Found specification of procedure tx_iso_complete [2023-03-31 02:47:01,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-03-31 02:47:01,018 INFO L130 BoogieDeclarations]: Found specification of procedure rx_iso_complete [2023-03-31 02:47:01,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-31 02:47:01,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 02:47:01,019 INFO L130 BoogieDeclarations]: Found specification of procedure rx_int_complete [2023-03-31 02:47:01,019 INFO L130 BoogieDeclarations]: Found specification of procedure start_int_fifo [2023-03-31 02:47:01,019 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bchannel [2023-03-31 02:47:01,019 INFO L130 BoogieDeclarations]: Found specification of procedure hfc_usb_l2l1 [2023-03-31 02:47:01,019 INFO L130 BoogieDeclarations]: Found specification of procedure hfc_usb_init [2023-03-31 02:47:01,019 INFO L130 BoogieDeclarations]: Found specification of procedure hfc_usb_probe [2023-03-31 02:47:01,019 INFO L130 BoogieDeclarations]: Found specification of procedure hfc_usb_disconnect [2023-03-31 02:47:01,019 INFO L130 BoogieDeclarations]: Found specification of procedure hfc_usb_mod_exit [2023-03-31 02:47:01,019 INFO L130 BoogieDeclarations]: Found specification of procedure hfc_usb_mod_init [2023-03-31 02:47:01,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-03-31 02:47:01,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-03-31 02:47:01,020 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-03-31 02:47:01,020 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 02:47:01,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2023-03-31 02:47:01,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2023-03-31 02:47:01,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-03-31 02:47:01,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-03-31 02:47:01,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-03-31 02:47:01,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2023-03-31 02:47:01,020 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-03-31 02:47:01,020 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 02:47:01,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 02:47:01,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 02:47:01,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-03-31 02:47:01,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 02:47:01,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-03-31 02:47:01,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-03-31 02:47:01,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-03-31 02:47:01,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-03-31 02:47:01,469 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 02:47:01,477 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 02:47:01,835 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-03-31 02:47:04,245 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 02:47:04,255 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 02:47:04,255 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-31 02:47:04,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 02:47:04 BoogieIcfgContainer [2023-03-31 02:47:04,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 02:47:04,259 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 02:47:04,259 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 02:47:04,261 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 02:47:04,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 02:46:58" (1/3) ... [2023-03-31 02:47:04,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4166a3e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 02:47:04, skipping insertion in model container [2023-03-31 02:47:04,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 02:47:00" (2/3) ... [2023-03-31 02:47:04,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4166a3e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 02:47:04, skipping insertion in model container [2023-03-31 02:47:04,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 02:47:04" (3/3) ... [2023-03-31 02:47:04,263 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--hisax--hfc_usb.ko-entry_point.cil.out.i [2023-03-31 02:47:04,274 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 02:47:04,274 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 02:47:04,381 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 02:47:04,386 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@47b2901e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 02:47:04,387 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 02:47:04,396 INFO L276 IsEmpty]: Start isEmpty. Operand has 1358 states, 945 states have (on average 1.3671957671957673) internal successors, (1292), 964 states have internal predecessors, (1292), 300 states have call successors, (300), 94 states have call predecessors, (300), 93 states have return successors, (297), 291 states have call predecessors, (297), 297 states have call successors, (297) [2023-03-31 02:47:04,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-03-31 02:47:04,409 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 02:47:04,410 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 02:47:04,410 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 02:47:04,414 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 02:47:04,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1863571464, now seen corresponding path program 1 times [2023-03-31 02:47:04,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 02:47:04,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755122843] [2023-03-31 02:47:04,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 02:47:04,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 02:47:04,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:05,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 02:47:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:05,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:47:05,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:05,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 02:47:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:05,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-03-31 02:47:05,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:05,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-03-31 02:47:05,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:05,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 02:47:05,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 02:47:05,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755122843] [2023-03-31 02:47:05,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755122843] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 02:47:05,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 02:47:05,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-03-31 02:47:05,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909056981] [2023-03-31 02:47:05,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 02:47:05,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-31 02:47:05,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 02:47:05,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-31 02:47:05,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-03-31 02:47:05,460 INFO L87 Difference]: Start difference. First operand has 1358 states, 945 states have (on average 1.3671957671957673) internal successors, (1292), 964 states have internal predecessors, (1292), 300 states have call successors, (300), 94 states have call predecessors, (300), 93 states have return successors, (297), 291 states have call predecessors, (297), 297 states have call successors, (297) Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-03-31 02:47:14,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 02:47:14,538 INFO L93 Difference]: Finished difference Result 1710 states and 2360 transitions. [2023-03-31 02:47:14,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-31 02:47:14,540 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 49 [2023-03-31 02:47:14,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 02:47:14,558 INFO L225 Difference]: With dead ends: 1710 [2023-03-31 02:47:14,559 INFO L226 Difference]: Without dead ends: 920 [2023-03-31 02:47:14,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-03-31 02:47:14,600 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 1041 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 2474 mSolverCounterSat, 536 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1139 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 3010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 536 IncrementalHoareTripleChecker+Valid, 2474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2023-03-31 02:47:14,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1139 Valid, 443 Invalid, 3010 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [536 Valid, 2474 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2023-03-31 02:47:14,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2023-03-31 02:47:14,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 761. [2023-03-31 02:47:14,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 761 states, 528 states have (on average 1.3049242424242424) internal successors, (689), 536 states have internal predecessors, (689), 164 states have call successors, (164), 71 states have call predecessors, (164), 68 states have return successors, (162), 158 states have call predecessors, (162), 162 states have call successors, (162) [2023-03-31 02:47:14,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 761 states and 1015 transitions. [2023-03-31 02:47:14,990 INFO L78 Accepts]: Start accepts. Automaton has 761 states and 1015 transitions. Word has length 49 [2023-03-31 02:47:14,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 02:47:14,990 INFO L495 AbstractCegarLoop]: Abstraction has 761 states and 1015 transitions. [2023-03-31 02:47:14,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-03-31 02:47:14,991 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 1015 transitions. [2023-03-31 02:47:14,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-03-31 02:47:14,994 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 02:47:14,994 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 02:47:14,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 02:47:14,995 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 02:47:14,995 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 02:47:14,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1645849335, now seen corresponding path program 1 times [2023-03-31 02:47:14,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 02:47:14,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260401389] [2023-03-31 02:47:14,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 02:47:14,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 02:47:15,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:15,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 02:47:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:15,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:47:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:15,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 02:47:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:15,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-03-31 02:47:15,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:15,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:47:15,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:15,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:47:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:15,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:47:15,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:15,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:47:15,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:15,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:47:15,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:15,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-03-31 02:47:15,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:15,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-03-31 02:47:15,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:15,850 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-03-31 02:47:15,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 02:47:15,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260401389] [2023-03-31 02:47:15,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260401389] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 02:47:15,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 02:47:15,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-31 02:47:15,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252944670] [2023-03-31 02:47:15,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 02:47:15,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-31 02:47:15,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 02:47:15,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-31 02:47:15,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-03-31 02:47:15,853 INFO L87 Difference]: Start difference. First operand 761 states and 1015 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-03-31 02:47:24,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 02:47:24,755 INFO L93 Difference]: Finished difference Result 1658 states and 2240 transitions. [2023-03-31 02:47:24,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-31 02:47:24,756 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 90 [2023-03-31 02:47:24,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 02:47:24,760 INFO L225 Difference]: With dead ends: 1658 [2023-03-31 02:47:24,760 INFO L226 Difference]: Without dead ends: 924 [2023-03-31 02:47:24,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-03-31 02:47:24,763 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 1126 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 3020 mSolverCounterSat, 645 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1224 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 3665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 645 IncrementalHoareTripleChecker+Valid, 3020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2023-03-31 02:47:24,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1224 Valid, 447 Invalid, 3665 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [645 Valid, 3020 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2023-03-31 02:47:24,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2023-03-31 02:47:25,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 770. [2023-03-31 02:47:25,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 536 states have (on average 1.3059701492537314) internal successors, (700), 544 states have internal predecessors, (700), 165 states have call successors, (165), 71 states have call predecessors, (165), 68 states have return successors, (163), 159 states have call predecessors, (163), 163 states have call successors, (163) [2023-03-31 02:47:25,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 1028 transitions. [2023-03-31 02:47:25,093 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 1028 transitions. Word has length 90 [2023-03-31 02:47:25,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 02:47:25,094 INFO L495 AbstractCegarLoop]: Abstraction has 770 states and 1028 transitions. [2023-03-31 02:47:25,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-03-31 02:47:25,095 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 1028 transitions. [2023-03-31 02:47:25,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-03-31 02:47:25,098 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 02:47:25,098 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 02:47:25,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 02:47:25,099 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 02:47:25,099 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 02:47:25,099 INFO L85 PathProgramCache]: Analyzing trace with hash 858863613, now seen corresponding path program 1 times [2023-03-31 02:47:25,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 02:47:25,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057971791] [2023-03-31 02:47:25,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 02:47:25,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 02:47:25,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:25,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 02:47:25,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:25,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:47:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:25,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 02:47:25,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:25,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-03-31 02:47:25,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:25,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:47:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:25,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:47:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:25,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:47:25,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:25,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:47:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:25,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:47:25,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:25,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-03-31 02:47:25,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:25,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-03-31 02:47:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:25,637 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-03-31 02:47:25,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 02:47:25,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057971791] [2023-03-31 02:47:25,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057971791] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 02:47:25,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 02:47:25,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-31 02:47:25,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622549974] [2023-03-31 02:47:25,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 02:47:25,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-31 02:47:25,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 02:47:25,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-31 02:47:25,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-03-31 02:47:25,639 INFO L87 Difference]: Start difference. First operand 770 states and 1028 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-03-31 02:47:33,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 02:47:33,710 INFO L93 Difference]: Finished difference Result 1666 states and 2253 transitions. [2023-03-31 02:47:33,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-31 02:47:33,711 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 96 [2023-03-31 02:47:33,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 02:47:33,717 INFO L225 Difference]: With dead ends: 1666 [2023-03-31 02:47:33,717 INFO L226 Difference]: Without dead ends: 923 [2023-03-31 02:47:33,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-03-31 02:47:33,723 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 1326 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 2406 mSolverCounterSat, 870 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1424 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 3276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 870 IncrementalHoareTripleChecker+Valid, 2406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2023-03-31 02:47:33,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1424 Valid, 413 Invalid, 3276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [870 Valid, 2406 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2023-03-31 02:47:33,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2023-03-31 02:47:33,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 772. [2023-03-31 02:47:33,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 538 states have (on average 1.304832713754647) internal successors, (702), 546 states have internal predecessors, (702), 165 states have call successors, (165), 71 states have call predecessors, (165), 68 states have return successors, (163), 159 states have call predecessors, (163), 163 states have call successors, (163) [2023-03-31 02:47:33,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 1030 transitions. [2023-03-31 02:47:33,990 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 1030 transitions. Word has length 96 [2023-03-31 02:47:33,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 02:47:33,990 INFO L495 AbstractCegarLoop]: Abstraction has 772 states and 1030 transitions. [2023-03-31 02:47:33,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-03-31 02:47:33,990 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1030 transitions. [2023-03-31 02:47:33,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-03-31 02:47:33,993 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 02:47:33,994 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 02:47:33,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 02:47:33,994 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 02:47:33,995 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 02:47:33,995 INFO L85 PathProgramCache]: Analyzing trace with hash 640008895, now seen corresponding path program 1 times [2023-03-31 02:47:33,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 02:47:33,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336834642] [2023-03-31 02:47:33,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 02:47:33,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 02:47:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:34,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 02:47:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:34,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:47:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:34,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 02:47:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:34,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-03-31 02:47:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:34,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:47:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:34,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:47:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:34,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:47:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:34,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:47:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:34,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:47:34,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:34,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-03-31 02:47:34,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:34,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-03-31 02:47:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:34,609 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-03-31 02:47:34,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 02:47:34,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336834642] [2023-03-31 02:47:34,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336834642] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 02:47:34,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 02:47:34,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-31 02:47:34,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733171843] [2023-03-31 02:47:34,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 02:47:34,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-31 02:47:34,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 02:47:34,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-31 02:47:34,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-03-31 02:47:34,612 INFO L87 Difference]: Start difference. First operand 772 states and 1030 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-03-31 02:47:42,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 02:47:42,615 INFO L93 Difference]: Finished difference Result 1713 states and 2324 transitions. [2023-03-31 02:47:42,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-31 02:47:42,616 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 96 [2023-03-31 02:47:42,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 02:47:42,620 INFO L225 Difference]: With dead ends: 1713 [2023-03-31 02:47:42,620 INFO L226 Difference]: Without dead ends: 968 [2023-03-31 02:47:42,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-03-31 02:47:42,623 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 1226 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 2437 mSolverCounterSat, 665 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1324 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 3102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 665 IncrementalHoareTripleChecker+Valid, 2437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2023-03-31 02:47:42,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1324 Valid, 412 Invalid, 3102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [665 Valid, 2437 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2023-03-31 02:47:42,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2023-03-31 02:47:42,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 814. [2023-03-31 02:47:42,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 814 states, 578 states have (on average 1.320069204152249) internal successors, (763), 586 states have internal predecessors, (763), 167 states have call successors, (167), 71 states have call predecessors, (167), 68 states have return successors, (165), 161 states have call predecessors, (165), 165 states have call successors, (165) [2023-03-31 02:47:42,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 814 states and 1095 transitions. [2023-03-31 02:47:42,875 INFO L78 Accepts]: Start accepts. Automaton has 814 states and 1095 transitions. Word has length 96 [2023-03-31 02:47:42,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 02:47:42,875 INFO L495 AbstractCegarLoop]: Abstraction has 814 states and 1095 transitions. [2023-03-31 02:47:42,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-03-31 02:47:42,876 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 1095 transitions. [2023-03-31 02:47:42,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-03-31 02:47:42,877 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 02:47:42,877 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 02:47:42,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 02:47:42,877 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 02:47:42,878 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 02:47:42,878 INFO L85 PathProgramCache]: Analyzing trace with hash -815519790, now seen corresponding path program 1 times [2023-03-31 02:47:42,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 02:47:42,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853490166] [2023-03-31 02:47:42,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 02:47:42,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 02:47:42,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:43,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 02:47:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:43,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:47:43,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:43,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 02:47:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:43,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-03-31 02:47:43,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:43,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:47:43,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:43,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:47:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:43,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:47:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:43,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:47:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:43,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:47:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:43,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-03-31 02:47:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:43,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:47:43,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:43,786 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-03-31 02:47:43,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 02:47:43,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853490166] [2023-03-31 02:47:43,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853490166] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 02:47:43,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 02:47:43,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-31 02:47:43,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088390273] [2023-03-31 02:47:43,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 02:47:43,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-31 02:47:43,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 02:47:43,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-31 02:47:43,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-03-31 02:47:43,788 INFO L87 Difference]: Start difference. First operand 814 states and 1095 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (20), 7 states have call predecessors, (20), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-03-31 02:47:54,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 02:47:54,501 INFO L93 Difference]: Finished difference Result 1934 states and 2622 transitions. [2023-03-31 02:47:54,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-31 02:47:54,502 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (20), 7 states have call predecessors, (20), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 110 [2023-03-31 02:47:54,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 02:47:54,506 INFO L225 Difference]: With dead ends: 1934 [2023-03-31 02:47:54,506 INFO L226 Difference]: Without dead ends: 1147 [2023-03-31 02:47:54,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2023-03-31 02:47:54,508 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 1701 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 2890 mSolverCounterSat, 949 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1773 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 3839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 949 IncrementalHoareTripleChecker+Valid, 2890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2023-03-31 02:47:54,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1773 Valid, 380 Invalid, 3839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [949 Valid, 2890 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2023-03-31 02:47:54,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2023-03-31 02:47:54,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 974. [2023-03-31 02:47:54,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 974 states, 694 states have (on average 1.3256484149855907) internal successors, (920), 706 states have internal predecessors, (920), 194 states have call successors, (194), 89 states have call predecessors, (194), 85 states have return successors, (192), 185 states have call predecessors, (192), 192 states have call successors, (192) [2023-03-31 02:47:54,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 974 states and 1306 transitions. [2023-03-31 02:47:54,741 INFO L78 Accepts]: Start accepts. Automaton has 974 states and 1306 transitions. Word has length 110 [2023-03-31 02:47:54,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 02:47:54,741 INFO L495 AbstractCegarLoop]: Abstraction has 974 states and 1306 transitions. [2023-03-31 02:47:54,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (20), 7 states have call predecessors, (20), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-03-31 02:47:54,742 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1306 transitions. [2023-03-31 02:47:54,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-03-31 02:47:54,743 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 02:47:54,743 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 02:47:54,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-31 02:47:54,743 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 02:47:54,743 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 02:47:54,743 INFO L85 PathProgramCache]: Analyzing trace with hash 59389891, now seen corresponding path program 1 times [2023-03-31 02:47:54,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 02:47:54,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721303418] [2023-03-31 02:47:54,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 02:47:54,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 02:47:54,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:55,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 02:47:55,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:55,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:47:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:55,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 02:47:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:55,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-03-31 02:47:55,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:55,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:47:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:55,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:47:55,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:55,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:47:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:55,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 02:47:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:55,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 02:47:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:55,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-03-31 02:47:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:55,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-03-31 02:47:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:55,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-03-31 02:47:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 02:47:55,338 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-03-31 02:47:55,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 02:47:55,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721303418] [2023-03-31 02:47:55,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721303418] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 02:47:55,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 02:47:55,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-03-31 02:47:55,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800569433] [2023-03-31 02:47:55,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 02:47:55,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 02:47:55,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 02:47:55,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 02:47:55,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-03-31 02:47:55,340 INFO L87 Difference]: Start difference. First operand 974 states and 1306 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (17), 8 states have call predecessors, (17), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)