/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--usb--hso.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 13:22:37,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 13:22:37,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 13:22:37,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 13:22:37,433 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 13:22:37,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 13:22:37,436 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 13:22:37,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 13:22:37,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 13:22:37,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 13:22:37,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 13:22:37,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 13:22:37,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 13:22:37,445 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 13:22:37,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 13:22:37,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 13:22:37,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 13:22:37,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 13:22:37,452 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 13:22:37,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 13:22:37,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 13:22:37,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 13:22:37,464 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 13:22:37,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 13:22:37,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 13:22:37,472 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 13:22:37,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 13:22:37,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 13:22:37,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 13:22:37,477 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 13:22:37,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 13:22:37,479 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 13:22:37,480 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 13:22:37,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 13:22:37,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 13:22:37,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 13:22:37,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 13:22:37,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 13:22:37,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 13:22:37,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 13:22:37,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 13:22:37,489 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 13:22:37,542 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 13:22:37,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 13:22:37,543 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 13:22:37,543 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 13:22:37,545 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 13:22:37,545 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 13:22:37,548 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 13:22:37,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 13:22:37,548 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 13:22:37,549 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 13:22:37,550 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 13:22:37,550 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 13:22:37,550 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 13:22:37,550 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 13:22:37,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 13:22:37,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 13:22:37,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 13:22:37,551 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 13:22:37,551 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 13:22:37,551 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 13:22:37,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 13:22:37,552 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 13:22:37,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 13:22:37,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 13:22:37,552 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 13:22:37,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 13:22:37,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:22:37,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 13:22:37,553 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 13:22:37,553 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 13:22:37,554 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 13:22:37,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 13:22:37,554 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 13:22:37,554 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 13:22:37,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 13:22:37,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 13:22:37,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 13:22:37,979 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 13:22:37,979 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 13:22:37,981 INFO L432 ainManager$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--net--usb--hso.ko-entry_point.cil.out.i [2022-10-16 13:22:38,061 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b81e7b15f/ecfba351418e4d9dba0f517ed92bafe5/FLAG45ed1ca83 [2022-10-16 13:22:39,130 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 13:22:39,132 INFO L160 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--net--usb--hso.ko-entry_point.cil.out.i [2022-10-16 13:22:39,216 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b81e7b15f/ecfba351418e4d9dba0f517ed92bafe5/FLAG45ed1ca83 [2022-10-16 13:22:39,580 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b81e7b15f/ecfba351418e4d9dba0f517ed92bafe5 [2022-10-16 13:22:39,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 13:22:39,589 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 13:22:39,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 13:22:39,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 13:22:39,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 13:22:39,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:22:39" (1/1) ... [2022-10-16 13:22:39,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a957203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:22:39, skipping insertion in model container [2022-10-16 13:22:39,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:22:39" (1/1) ... [2022-10-16 13:22:39,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 13:22:39,801 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 13:22:40,518 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5977] [2022-10-16 13:22:40,518 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5978-5979] [2022-10-16 13:22:41,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--usb--hso.ko-entry_point.cil.out.i[185445,185458] [2022-10-16 13:22:43,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:22:43,167 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 13:22:43,296 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5977] [2022-10-16 13:22:43,297 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5978-5979] [2022-10-16 13:22:43,309 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--usb--hso.ko-entry_point.cil.out.i[185445,185458] [2022-10-16 13:22:43,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:22:43,958 INFO L208 MainTranslator]: Completed translation [2022-10-16 13:22:43,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:22:43 WrapperNode [2022-10-16 13:22:43,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 13:22:43,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 13:22:43,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 13:22:43,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 13:22:43,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:22:43" (1/1) ... [2022-10-16 13:22:44,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:22:43" (1/1) ... [2022-10-16 13:22:44,404 INFO L138 Inliner]: procedures = 324, calls = 3022, calls flagged for inlining = 155, calls inlined = 152, statements flattened = 6416 [2022-10-16 13:22:44,405 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 13:22:44,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 13:22:44,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 13:22:44,406 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 13:22:44,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:22:43" (1/1) ... [2022-10-16 13:22:44,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:22:43" (1/1) ... [2022-10-16 13:22:44,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:22:43" (1/1) ... [2022-10-16 13:22:44,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:22:43" (1/1) ... [2022-10-16 13:22:44,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:22:43" (1/1) ... [2022-10-16 13:22:44,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:22:43" (1/1) ... [2022-10-16 13:22:44,704 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:22:43" (1/1) ... [2022-10-16 13:22:44,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:22:43" (1/1) ... [2022-10-16 13:22:44,768 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 13:22:44,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 13:22:44,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 13:22:44,773 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 13:22:44,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:22:43" (1/1) ... [2022-10-16 13:22:44,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:22:44,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:22:44,809 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 13:22:44,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 13:22:44,864 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-10-16 13:22:44,864 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-10-16 13:22:44,864 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-10-16 13:22:44,864 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-10-16 13:22:44,864 INFO L130 BoogieDeclarations]: Found specification of procedure hso_start_serial_device [2022-10-16 13:22:44,864 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_start_serial_device [2022-10-16 13:22:44,865 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-10-16 13:22:44,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-16 13:22:44,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 13:22:44,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-16 13:22:44,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-16 13:22:44,865 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2022-10-16 13:22:44,865 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2022-10-16 13:22:44,866 INFO L130 BoogieDeclarations]: Found specification of procedure mux_device_request [2022-10-16 13:22:44,866 INFO L138 BoogieDeclarations]: Found implementation of procedure mux_device_request [2022-10-16 13:22:44,866 INFO L130 BoogieDeclarations]: Found specification of procedure hso_unthrottle [2022-10-16 13:22:44,866 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_unthrottle [2022-10-16 13:22:44,866 INFO L130 BoogieDeclarations]: Found specification of procedure hso_get_ep [2022-10-16 13:22:44,866 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_get_ep [2022-10-16 13:22:44,866 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2022-10-16 13:22:44,867 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2022-10-16 13:22:44,867 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-16 13:22:44,867 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-16 13:22:44,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-10-16 13:22:44,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-10-16 13:22:44,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 13:22:44,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 13:22:44,867 INFO L130 BoogieDeclarations]: Found specification of procedure hso_kick_transmit [2022-10-16 13:22:44,868 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_kick_transmit [2022-10-16 13:22:44,868 INFO L130 BoogieDeclarations]: Found specification of procedure hso_get_activity [2022-10-16 13:22:44,868 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_get_activity [2022-10-16 13:22:44,868 INFO L130 BoogieDeclarations]: Found specification of procedure fix_crc_bug [2022-10-16 13:22:44,868 INFO L138 BoogieDeclarations]: Found implementation of procedure fix_crc_bug [2022-10-16 13:22:44,868 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-10-16 13:22:44,869 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-10-16 13:22:44,869 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_set_termios [2022-10-16 13:22:44,869 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_set_termios [2022-10-16 13:22:44,869 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-16 13:22:44,869 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-16 13:22:44,869 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-10-16 13:22:44,869 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-10-16 13:22:44,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 13:22:44,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 13:22:44,870 INFO L130 BoogieDeclarations]: Found specification of procedure dev2ser [2022-10-16 13:22:44,870 INFO L138 BoogieDeclarations]: Found implementation of procedure dev2ser [2022-10-16 13:22:44,870 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-16 13:22:44,870 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-16 13:22:44,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-16 13:22:44,871 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-16 13:22:44,871 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 13:22:44,871 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 13:22:44,871 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-16 13:22:44,871 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-16 13:22:44,871 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-16 13:22:44,872 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-16 13:22:44,872 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_device [2022-10-16 13:22:44,872 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_device [2022-10-16 13:22:44,872 INFO L130 BoogieDeclarations]: Found specification of procedure hso_create_net_device [2022-10-16 13:22:44,872 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_create_net_device [2022-10-16 13:22:44,947 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-10-16 13:22:44,947 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-10-16 13:22:44,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 13:22:44,950 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-16 13:22:44,950 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-16 13:22:44,950 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-10-16 13:22:44,950 INFO L130 BoogieDeclarations]: Found specification of procedure put_rxbuf_data [2022-10-16 13:22:44,950 INFO L138 BoogieDeclarations]: Found implementation of procedure put_rxbuf_data [2022-10-16 13:22:44,951 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_tiocmget [2022-10-16 13:22:44,952 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_tiocmget [2022-10-16 13:22:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure hso_free_net_device [2022-10-16 13:22:44,952 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_free_net_device [2022-10-16 13:22:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 13:22:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-10-16 13:22:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-10-16 13:22:44,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-10-16 13:22:44,953 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-16 13:22:44,953 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-16 13:22:44,953 INFO L130 BoogieDeclarations]: Found specification of procedure hso_mux_serial_read [2022-10-16 13:22:44,953 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_mux_serial_read [2022-10-16 13:22:44,953 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_common_free [2022-10-16 13:22:44,953 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_common_free [2022-10-16 13:22:44,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 13:22:44,954 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-10-16 13:22:44,954 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-10-16 13:22:44,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 13:22:44,954 INFO L130 BoogieDeclarations]: Found specification of procedure hso_get_count [2022-10-16 13:22:44,954 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_get_count [2022-10-16 13:22:44,954 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmget_submit_urb [2022-10-16 13:22:44,955 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmget_submit_urb [2022-10-16 13:22:44,955 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-10-16 13:22:44,955 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-10-16 13:22:44,955 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-10-16 13:22:44,955 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-10-16 13:22:44,955 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-10-16 13:22:44,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-10-16 13:22:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-16 13:22:44,956 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-16 13:22:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure hso_net_close [2022-10-16 13:22:44,956 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_net_close [2022-10-16 13:22:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-10-16 13:22:44,956 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-10-16 13:22:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-16 13:22:44,957 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-16 13:22:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-10-16 13:22:44,957 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-10-16 13:22:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-16 13:22:44,957 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-16 13:22:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-10-16 13:22:44,957 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-10-16 13:22:44,958 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-16 13:22:44,961 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-16 13:22:44,961 INFO L130 BoogieDeclarations]: Found specification of procedure _hso_serial_set_termios [2022-10-16 13:22:44,961 INFO L138 BoogieDeclarations]: Found implementation of procedure _hso_serial_set_termios [2022-10-16 13:22:44,961 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-10-16 13:22:44,961 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-10-16 13:22:44,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-16 13:22:44,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-16 13:22:44,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-16 13:22:44,962 INFO L130 BoogieDeclarations]: Found specification of procedure hso_resume [2022-10-16 13:22:44,962 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_resume [2022-10-16 13:22:44,962 INFO L130 BoogieDeclarations]: Found specification of procedure put_rxbuf_data_and_resubmit_bulk_urb [2022-10-16 13:22:44,962 INFO L138 BoogieDeclarations]: Found implementation of procedure put_rxbuf_data_and_resubmit_bulk_urb [2022-10-16 13:22:44,962 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-16 13:22:44,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-16 13:22:44,965 INFO L130 BoogieDeclarations]: Found specification of procedure hso_put_activity [2022-10-16 13:22:44,965 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_put_activity [2022-10-16 13:22:44,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 13:22:44,965 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_destroy [2022-10-16 13:22:44,965 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_destroy [2022-10-16 13:22:44,965 INFO L130 BoogieDeclarations]: Found specification of procedure hso_mux_submit_intr_urb [2022-10-16 13:22:44,966 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_mux_submit_intr_urb [2022-10-16 13:22:44,966 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2022-10-16 13:22:44,966 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2022-10-16 13:22:44,966 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-10-16 13:22:44,968 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-10-16 13:22:44,968 INFO L130 BoogieDeclarations]: Found specification of procedure hso_mux_to_port [2022-10-16 13:22:44,968 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_mux_to_port [2022-10-16 13:22:44,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 13:22:44,968 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_chars_in_buffer [2022-10-16 13:22:44,968 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_chars_in_buffer [2022-10-16 13:22:44,968 INFO L130 BoogieDeclarations]: Found specification of procedure dev2net [2022-10-16 13:22:44,969 INFO L138 BoogieDeclarations]: Found implementation of procedure dev2net [2022-10-16 13:22:44,969 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2022-10-16 13:22:44,969 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_wakeup [2022-10-16 13:22:44,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-16 13:22:44,969 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-16 13:22:44,969 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-10-16 13:22:44,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-10-16 13:22:44,972 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_ioctl [2022-10-16 13:22:44,972 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_ioctl [2022-10-16 13:22:44,972 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-16 13:22:44,972 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-16 13:22:44,972 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-10-16 13:22:44,972 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-10-16 13:22:44,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-16 13:22:44,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-16 13:22:44,973 INFO L130 BoogieDeclarations]: Found specification of procedure hso_create_device [2022-10-16 13:22:44,973 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_create_device [2022-10-16 13:22:44,973 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-10-16 13:22:44,973 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-10-16 13:22:44,973 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 13:22:44,973 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-16 13:22:44,974 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_write_room [2022-10-16 13:22:44,974 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_write_room [2022-10-16 13:22:44,974 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-10-16 13:22:44,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-10-16 13:22:44,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 13:22:44,974 INFO L130 BoogieDeclarations]: Found specification of procedure hso_net_tx_timeout [2022-10-16 13:22:44,974 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_net_tx_timeout [2022-10-16 13:22:44,974 INFO L130 BoogieDeclarations]: Found specification of procedure hso_urb_to_index [2022-10-16 13:22:44,975 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_urb_to_index [2022-10-16 13:22:44,975 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-16 13:22:44,975 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-16 13:22:44,975 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-10-16 13:22:44,975 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-10-16 13:22:44,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 13:22:44,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 13:22:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure set_serial_by_index [2022-10-16 13:22:44,976 INFO L138 BoogieDeclarations]: Found implementation of procedure set_serial_by_index [2022-10-16 13:22:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure hso_stop_net_device [2022-10-16 13:22:44,976 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_stop_net_device [2022-10-16 13:22:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 13:22:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure hso_free_interface [2022-10-16 13:22:44,976 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_free_interface [2022-10-16 13:22:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 13:22:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure handle_usb_error [2022-10-16 13:22:44,977 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_usb_error [2022-10-16 13:22:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure hso_net_start_xmit [2022-10-16 13:22:44,977 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_net_start_xmit [2022-10-16 13:22:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 13:22:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-16 13:22:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure hso_disconnect [2022-10-16 13:22:44,977 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_disconnect [2022-10-16 13:22:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_tiocmset [2022-10-16 13:22:44,978 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_tiocmset [2022-10-16 13:22:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_common_create [2022-10-16 13:22:44,978 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_common_create [2022-10-16 13:22:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 13:22:44,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 13:22:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-16 13:22:44,978 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-16 13:22:44,979 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-16 13:22:44,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-16 13:22:44,979 INFO L130 BoogieDeclarations]: Found specification of procedure hso_log_port [2022-10-16 13:22:44,979 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_log_port [2022-10-16 13:22:44,979 INFO L130 BoogieDeclarations]: Found specification of procedure hso_unthrottle_tasklet [2022-10-16 13:22:44,979 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_unthrottle_tasklet [2022-10-16 13:22:44,979 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-10-16 13:22:44,979 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-10-16 13:22:44,979 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-16 13:22:44,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-10-16 13:22:44,980 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-10-16 13:22:44,980 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-10-16 13:22:44,980 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-10-16 13:22:44,980 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-10-16 13:22:44,980 INFO L130 BoogieDeclarations]: Found specification of procedure hso_free_tiomget [2022-10-16 13:22:44,980 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_free_tiomget [2022-10-16 13:22:44,980 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-10-16 13:22:44,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-10-16 13:22:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-16 13:22:44,981 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-16 13:22:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-16 13:22:44,981 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-10-16 13:22:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-16 13:22:44,981 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-16 13:22:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure hso_net_open [2022-10-16 13:22:44,982 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_net_open [2022-10-16 13:22:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_set [2022-10-16 13:22:44,982 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_set [2022-10-16 13:22:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-16 13:22:44,982 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-16 13:22:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure hso_start_net_device [2022-10-16 13:22:44,982 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_start_net_device [2022-10-16 13:22:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 13:22:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure hso_stop_serial_device [2022-10-16 13:22:44,983 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_stop_serial_device [2022-10-16 13:22:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-10-16 13:22:44,983 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-10-16 13:22:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 13:22:44,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 13:22:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2022-10-16 13:22:44,983 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2022-10-16 13:22:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure put_rxbuf_data_and_resubmit_ctrl_urb [2022-10-16 13:22:44,984 INFO L138 BoogieDeclarations]: Found implementation of procedure put_rxbuf_data_and_resubmit_ctrl_urb [2022-10-16 13:22:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-16 13:22:44,984 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-16 13:22:45,741 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 13:22:45,746 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 13:22:46,117 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-16 13:22:59,481 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 13:22:59,514 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 13:22:59,514 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 13:22:59,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:22:59 BoogieIcfgContainer [2022-10-16 13:22:59,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 13:22:59,524 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 13:22:59,524 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 13:22:59,528 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 13:22:59,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:22:39" (1/3) ... [2022-10-16 13:22:59,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@785b9455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:22:59, skipping insertion in model container [2022-10-16 13:22:59,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:22:43" (2/3) ... [2022-10-16 13:22:59,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@785b9455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:22:59, skipping insertion in model container [2022-10-16 13:22:59,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:22:59" (3/3) ... [2022-10-16 13:22:59,531 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--usb--hso.ko-entry_point.cil.out.i [2022-10-16 13:22:59,553 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 13:22:59,553 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 120 error locations. [2022-10-16 13:22:59,693 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 13:22:59,704 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1e27f080, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 13:22:59,705 INFO L358 AbstractCegarLoop]: Starting to check reachability of 120 error locations. [2022-10-16 13:22:59,721 INFO L276 IsEmpty]: Start isEmpty. Operand has 2345 states, 1633 states have (on average 1.440293937538273) internal successors, (2352), 1791 states have internal predecessors, (2352), 479 states have call successors, (479), 113 states have call predecessors, (479), 112 states have return successors, (471), 466 states have call predecessors, (471), 471 states have call successors, (471) [2022-10-16 13:22:59,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 13:22:59,754 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:22:59,755 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2022-10-16 13:22:59,757 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [put_rxbuf_data_and_resubmit_bulk_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, put_rxbuf_data_and_resubmit_bulk_urbErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 118 more)] === [2022-10-16 13:22:59,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:22:59,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1038912443, now seen corresponding path program 1 times [2022-10-16 13:22:59,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:22:59,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683252392] [2022-10-16 13:22:59,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:22:59,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:23:00,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:00,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:23:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:00,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:23:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:00,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:23:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:00,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:23:00,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:00,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:23:00,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:00,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:23:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:00,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:23:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:00,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:23:00,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:00,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:23:00,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:00,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:23:00,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:00,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 13:23:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:00,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 13:23:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:01,004 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-10-16 13:23:01,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:23:01,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683252392] [2022-10-16 13:23:01,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683252392] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:23:01,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:23:01,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:23:01,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121119415] [2022-10-16 13:23:01,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:23:01,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:23:01,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:23:01,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:23:01,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:23:01,055 INFO L87 Difference]: Start difference. First operand has 2345 states, 1633 states have (on average 1.440293937538273) internal successors, (2352), 1791 states have internal predecessors, (2352), 479 states have call successors, (479), 113 states have call predecessors, (479), 112 states have return successors, (471), 466 states have call predecessors, (471), 471 states have call successors, (471) Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-10-16 13:23:04,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:23:07,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:23:09,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:23:14,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:23:16,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:23:24,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:23:27,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:23:32,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:23:32,899 INFO L93 Difference]: Finished difference Result 7236 states and 10569 transitions. [2022-10-16 13:23:32,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:23:32,906 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 86 [2022-10-16 13:23:32,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:23:33,005 INFO L225 Difference]: With dead ends: 7236 [2022-10-16 13:23:33,005 INFO L226 Difference]: Without dead ends: 4846 [2022-10-16 13:23:33,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:23:33,047 INFO L413 NwaCegarLoop]: 3406 mSDtfsCounter, 5741 mSDsluCounter, 4781 mSDsCounter, 0 mSdLazyCounter, 4271 mSolverCounterSat, 2673 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6009 SdHoareTripleChecker+Valid, 8187 SdHoareTripleChecker+Invalid, 6949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2673 IncrementalHoareTripleChecker+Valid, 4271 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.8s IncrementalHoareTripleChecker+Time [2022-10-16 13:23:33,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6009 Valid, 8187 Invalid, 6949 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2673 Valid, 4271 Invalid, 5 Unknown, 0 Unchecked, 30.8s Time] [2022-10-16 13:23:33,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4846 states. [2022-10-16 13:23:33,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4846 to 4009. [2022-10-16 13:23:33,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4009 states, 2886 states have (on average 1.4026334026334026) internal successors, (4048), 3032 states have internal predecessors, (4048), 815 states have call successors, (815), 212 states have call predecessors, (815), 214 states have return successors, (821), 806 states have call predecessors, (821), 815 states have call successors, (821) [2022-10-16 13:23:33,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4009 states to 4009 states and 5684 transitions. [2022-10-16 13:23:33,481 INFO L78 Accepts]: Start accepts. Automaton has 4009 states and 5684 transitions. Word has length 86 [2022-10-16 13:23:33,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:23:33,482 INFO L495 AbstractCegarLoop]: Abstraction has 4009 states and 5684 transitions. [2022-10-16 13:23:33,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-10-16 13:23:33,483 INFO L276 IsEmpty]: Start isEmpty. Operand 4009 states and 5684 transitions. [2022-10-16 13:23:33,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 13:23:33,488 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:23:33,488 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2022-10-16 13:23:33,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 13:23:33,489 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [put_rxbuf_data_and_resubmit_bulk_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, put_rxbuf_data_and_resubmit_bulk_urbErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 118 more)] === [2022-10-16 13:23:33,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:23:33,495 INFO L85 PathProgramCache]: Analyzing trace with hash 2078412703, now seen corresponding path program 1 times [2022-10-16 13:23:33,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:23:33,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794926559] [2022-10-16 13:23:33,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:23:33,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:23:33,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:34,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:23:34,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:34,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:23:34,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:34,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:23:34,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:34,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:23:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:34,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:23:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:34,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:23:34,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:34,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:23:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:34,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:23:34,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:34,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:23:34,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:34,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:23:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:34,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 13:23:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:34,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 13:23:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:34,185 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-10-16 13:23:34,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:23:34,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794926559] [2022-10-16 13:23:34,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794926559] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:23:34,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:23:34,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:23:34,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952575289] [2022-10-16 13:23:34,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:23:34,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:23:34,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:23:34,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:23:34,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:23:34,190 INFO L87 Difference]: Start difference. First operand 4009 states and 5684 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-10-16 13:23:37,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:23:39,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:23:41,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:23:47,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:23:48,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:23:55,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:23:57,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:24:04,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:24:04,483 INFO L93 Difference]: Finished difference Result 13329 states and 19164 transitions. [2022-10-16 13:24:04,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:24:04,484 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), 1 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 88 [2022-10-16 13:24:04,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:24:04,555 INFO L225 Difference]: With dead ends: 13329 [2022-10-16 13:24:04,556 INFO L226 Difference]: Without dead ends: 9347 [2022-10-16 13:24:04,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:24:04,575 INFO L413 NwaCegarLoop]: 3315 mSDtfsCounter, 6535 mSDsluCounter, 4635 mSDsCounter, 0 mSdLazyCounter, 4279 mSolverCounterSat, 2998 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6866 SdHoareTripleChecker+Valid, 7950 SdHoareTripleChecker+Invalid, 7282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2998 IncrementalHoareTripleChecker+Valid, 4279 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.4s IncrementalHoareTripleChecker+Time [2022-10-16 13:24:04,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6866 Valid, 7950 Invalid, 7282 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2998 Valid, 4279 Invalid, 5 Unknown, 0 Unchecked, 29.4s Time] [2022-10-16 13:24:04,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9347 states. [2022-10-16 13:24:04,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9347 to 7955. [2022-10-16 13:24:05,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7955 states, 5782 states have (on average 1.398132134209616) internal successors, (8084), 5988 states have internal predecessors, (8084), 1624 states have call successors, (1624), 424 states have call predecessors, (1624), 455 states have return successors, (1727), 1619 states have call predecessors, (1727), 1624 states have call successors, (1727) [2022-10-16 13:24:05,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7955 states to 7955 states and 11435 transitions. [2022-10-16 13:24:05,050 INFO L78 Accepts]: Start accepts. Automaton has 7955 states and 11435 transitions. Word has length 88 [2022-10-16 13:24:05,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:24:05,053 INFO L495 AbstractCegarLoop]: Abstraction has 7955 states and 11435 transitions. [2022-10-16 13:24:05,054 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), 1 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-10-16 13:24:05,054 INFO L276 IsEmpty]: Start isEmpty. Operand 7955 states and 11435 transitions. [2022-10-16 13:24:05,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 13:24:05,057 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:24:05,057 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2022-10-16 13:24:05,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 13:24:05,057 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [put_rxbuf_data_and_resubmit_bulk_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, put_rxbuf_data_and_resubmit_bulk_urbErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 118 more)] === [2022-10-16 13:24:05,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:24:05,058 INFO L85 PathProgramCache]: Analyzing trace with hash -496325998, now seen corresponding path program 1 times [2022-10-16 13:24:05,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:24:05,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324481316] [2022-10-16 13:24:05,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:24:05,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:24:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:05,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:24:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:05,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:24:05,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:05,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:24:05,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:05,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:24:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:05,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:24:05,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:05,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:24:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:05,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:24:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:05,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:24:05,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:05,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:24:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:05,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:24:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:05,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 13:24:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:05,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 13:24:05,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:05,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 13:24:05,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:05,696 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-10-16 13:24:05,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:24:05,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324481316] [2022-10-16 13:24:05,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324481316] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:24:05,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:24:05,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:24:05,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210907465] [2022-10-16 13:24:05,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:24:05,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:24:05,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:24:05,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:24:05,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:24:05,703 INFO L87 Difference]: Start difference. First operand 7955 states and 11435 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-10-16 13:24:08,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:24:10,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:24:12,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:24:15,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:24:17,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:24:22,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:24:24,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:24:27,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:24:29,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:24:31,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:24:37,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:24:44,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:24:44,452 INFO L93 Difference]: Finished difference Result 26325 states and 38271 transitions. [2022-10-16 13:24:44,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:24:44,453 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 93 [2022-10-16 13:24:44,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:24:44,586 INFO L225 Difference]: With dead ends: 26325 [2022-10-16 13:24:44,586 INFO L226 Difference]: Without dead ends: 18397 [2022-10-16 13:24:44,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:24:44,632 INFO L413 NwaCegarLoop]: 3276 mSDtfsCounter, 6698 mSDsluCounter, 4573 mSDsCounter, 0 mSdLazyCounter, 4273 mSolverCounterSat, 3042 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7052 SdHoareTripleChecker+Valid, 7849 SdHoareTripleChecker+Invalid, 7325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3042 IncrementalHoareTripleChecker+Valid, 4273 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.6s IncrementalHoareTripleChecker+Time [2022-10-16 13:24:44,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7052 Valid, 7849 Invalid, 7325 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3042 Valid, 4273 Invalid, 10 Unknown, 0 Unchecked, 37.6s Time] [2022-10-16 13:24:44,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18397 states. [2022-10-16 13:24:45,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18397 to 15721. [2022-10-16 13:24:45,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15721 states, 11497 states have (on average 1.3987127076628685) internal successors, (16081), 11820 states have internal predecessors, (16081), 3220 states have call successors, (3220), 848 states have call predecessors, (3220), 910 states have return successors, (3424), 3206 states have call predecessors, (3424), 3220 states have call successors, (3424) [2022-10-16 13:24:45,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15721 states to 15721 states and 22725 transitions. [2022-10-16 13:24:45,763 INFO L78 Accepts]: Start accepts. Automaton has 15721 states and 22725 transitions. Word has length 93 [2022-10-16 13:24:45,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:24:45,764 INFO L495 AbstractCegarLoop]: Abstraction has 15721 states and 22725 transitions. [2022-10-16 13:24:45,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-10-16 13:24:45,765 INFO L276 IsEmpty]: Start isEmpty. Operand 15721 states and 22725 transitions. [2022-10-16 13:24:45,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 13:24:45,767 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:24:45,768 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2022-10-16 13:24:45,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 13:24:45,768 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [put_rxbuf_data_and_resubmit_bulk_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, put_rxbuf_data_and_resubmit_bulk_urbErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 118 more)] === [2022-10-16 13:24:45,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:24:45,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1432185642, now seen corresponding path program 1 times [2022-10-16 13:24:45,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:24:45,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131387947] [2022-10-16 13:24:45,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:24:45,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:24:45,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:46,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:24:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:46,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:24:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:46,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:24:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:46,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:24:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:46,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:24:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:46,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:24:46,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:46,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:24:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:46,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:24:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:46,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:24:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:46,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:24:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:46,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 13:24:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:46,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 13:24:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:46,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 13:24:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:46,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-16 13:24:46,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:46,476 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-10-16 13:24:46,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:24:46,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131387947] [2022-10-16 13:24:46,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131387947] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:24:46,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:24:46,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:24:46,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165838934] [2022-10-16 13:24:46,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:24:46,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:24:46,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:24:46,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:24:46,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:24:46,480 INFO L87 Difference]: Start difference. First operand 15721 states and 22725 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-10-16 13:24:49,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:24:53,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:24:55,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:25:05,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:25:09,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:25:09,700 INFO L93 Difference]: Finished difference Result 34005 states and 49605 transitions. [2022-10-16 13:25:09,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:25:09,701 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 97 [2022-10-16 13:25:09,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:25:09,796 INFO L225 Difference]: With dead ends: 34005 [2022-10-16 13:25:09,797 INFO L226 Difference]: Without dead ends: 18311 [2022-10-16 13:25:09,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:25:09,871 INFO L413 NwaCegarLoop]: 2939 mSDtfsCounter, 1856 mSDsluCounter, 4541 mSDsCounter, 0 mSdLazyCounter, 3337 mSolverCounterSat, 1307 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1886 SdHoareTripleChecker+Valid, 7480 SdHoareTripleChecker+Invalid, 4648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1307 IncrementalHoareTripleChecker+Valid, 3337 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:25:09,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1886 Valid, 7480 Invalid, 4648 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1307 Valid, 3337 Invalid, 4 Unknown, 0 Unchecked, 22.2s Time] [2022-10-16 13:25:09,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18311 states. [2022-10-16 13:25:10,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18311 to 15753. [2022-10-16 13:25:10,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15753 states, 11529 states have (on average 1.3976060369502992) internal successors, (16113), 11852 states have internal predecessors, (16113), 3220 states have call successors, (3220), 848 states have call predecessors, (3220), 910 states have return successors, (3424), 3206 states have call predecessors, (3424), 3220 states have call successors, (3424) [2022-10-16 13:25:10,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15753 states to 15753 states and 22757 transitions. [2022-10-16 13:25:10,881 INFO L78 Accepts]: Start accepts. Automaton has 15753 states and 22757 transitions. Word has length 97 [2022-10-16 13:25:10,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:25:10,882 INFO L495 AbstractCegarLoop]: Abstraction has 15753 states and 22757 transitions. [2022-10-16 13:25:10,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-10-16 13:25:10,883 INFO L276 IsEmpty]: Start isEmpty. Operand 15753 states and 22757 transitions. [2022-10-16 13:25:10,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 13:25:10,889 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:25:10,889 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2022-10-16 13:25:10,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 13:25:10,892 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [put_rxbuf_data_and_resubmit_bulk_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, put_rxbuf_data_and_resubmit_bulk_urbErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 118 more)] === [2022-10-16 13:25:10,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:25:10,893 INFO L85 PathProgramCache]: Analyzing trace with hash -109971019, now seen corresponding path program 1 times [2022-10-16 13:25:10,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:25:10,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456002145] [2022-10-16 13:25:10,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:25:10,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:25:11,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:25:11,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:25:11,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:25:11,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:25:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:25:11,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:25:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:25:11,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:25:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:25:11,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:25:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:25:11,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:25:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:25:11,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:25:11,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:25:11,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:25:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:25:11,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:25:11,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:25:11,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:25:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:25:11,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 13:25:11,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:25:11,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 13:25:11,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:25:11,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-16 13:25:11,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:25:11,659 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-10-16 13:25:11,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:25:11,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456002145] [2022-10-16 13:25:11,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456002145] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:25:11,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:25:11,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:25:11,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219702174] [2022-10-16 13:25:11,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:25:11,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:25:11,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:25:11,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:25:11,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:25:11,663 INFO L87 Difference]: Start difference. First operand 15753 states and 22757 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-10-16 13:25:14,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:25:16,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:25:19,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:25:21,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:25:24,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:25:34,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:25:43,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:25:43,018 INFO L93 Difference]: Finished difference Result 43634 states and 63397 transitions. [2022-10-16 13:25:43,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:25:43,019 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 97 [2022-10-16 13:25:43,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:25:43,292 INFO L225 Difference]: With dead ends: 43634 [2022-10-16 13:25:43,292 INFO L226 Difference]: Without dead ends: 27908 [2022-10-16 13:25:43,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:25:43,357 INFO L413 NwaCegarLoop]: 4084 mSDtfsCounter, 5037 mSDsluCounter, 5126 mSDsCounter, 0 mSdLazyCounter, 4591 mSolverCounterSat, 2463 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5323 SdHoareTripleChecker+Valid, 9210 SdHoareTripleChecker+Invalid, 7060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2463 IncrementalHoareTripleChecker+Valid, 4591 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.9s IncrementalHoareTripleChecker+Time [2022-10-16 13:25:43,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5323 Valid, 9210 Invalid, 7060 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2463 Valid, 4591 Invalid, 6 Unknown, 0 Unchecked, 29.9s Time] [2022-10-16 13:25:43,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27908 states. [2022-10-16 13:25:44,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27908 to 24063. [2022-10-16 13:25:44,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24063 states, 17681 states have (on average 1.3951133985634296) internal successors, (24667), 18124 states have internal predecessors, (24667), 4839 states have call successors, (4839), 1353 states have call predecessors, (4839), 1449 states have return successors, (5147), 4821 states have call predecessors, (5147), 4839 states have call successors, (5147) [2022-10-16 13:25:44,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24063 states to 24063 states and 34653 transitions. [2022-10-16 13:25:44,991 INFO L78 Accepts]: Start accepts. Automaton has 24063 states and 34653 transitions. Word has length 97 [2022-10-16 13:25:44,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:25:44,994 INFO L495 AbstractCegarLoop]: Abstraction has 24063 states and 34653 transitions. [2022-10-16 13:25:44,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-10-16 13:25:44,994 INFO L276 IsEmpty]: Start isEmpty. Operand 24063 states and 34653 transitions. [2022-10-16 13:25:44,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 13:25:44,999 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:25:44,999 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2022-10-16 13:25:45,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 13:25:45,000 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [put_rxbuf_data_and_resubmit_bulk_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, put_rxbuf_data_and_resubmit_bulk_urbErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 118 more)] === [2022-10-16 13:25:45,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:25:45,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1290111152, now seen corresponding path program 1 times [2022-10-16 13:25:45,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:25:45,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747729101] [2022-10-16 13:25:45,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:25:45,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:25:45,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:25:45,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:25:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:25:45,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:25:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:25:45,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:25:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:25:45,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:25:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:25:45,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:25:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:25:45,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:25:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:25:45,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:25:45,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:25:45,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:25:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:25:45,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:25:45,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:25:45,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:25:45,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:25:45,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 13:25:45,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:25:45,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 13:25:45,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:25:45,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 13:25:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:25:45,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-16 13:25:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:25:45,843 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2022-10-16 13:25:45,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:25:45,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747729101] [2022-10-16 13:25:45,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747729101] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:25:45,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:25:45,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:25:45,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491387876] [2022-10-16 13:25:45,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:25:45,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:25:45,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:25:45,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:25:45,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:25:45,846 INFO L87 Difference]: Start difference. First operand 24063 states and 34653 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-10-16 13:25:48,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:25:50,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:25:54,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:26:01,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:26:06,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:26:06,904 INFO L93 Difference]: Finished difference Result 27808 states and 40673 transitions. [2022-10-16 13:26:06,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:26:06,905 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 101 [2022-10-16 13:26:06,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:26:07,057 INFO L225 Difference]: With dead ends: 27808 [2022-10-16 13:26:07,058 INFO L226 Difference]: Without dead ends: 27807 [2022-10-16 13:26:07,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:26:07,075 INFO L413 NwaCegarLoop]: 2940 mSDtfsCounter, 1857 mSDsluCounter, 4566 mSDsCounter, 0 mSdLazyCounter, 3347 mSolverCounterSat, 1306 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1887 SdHoareTripleChecker+Valid, 7506 SdHoareTripleChecker+Invalid, 4656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1306 IncrementalHoareTripleChecker+Valid, 3347 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:26:07,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1887 Valid, 7506 Invalid, 4656 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1306 Valid, 3347 Invalid, 3 Unknown, 0 Unchecked, 20.0s Time] [2022-10-16 13:26:07,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27807 states. [2022-10-16 13:26:08,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27807 to 24062. [2022-10-16 13:26:08,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24062 states, 17681 states have (on average 1.3942084723714723) internal successors, (24651), 18123 states have internal predecessors, (24651), 4839 states have call successors, (4839), 1353 states have call predecessors, (4839), 1449 states have return successors, (5147), 4821 states have call predecessors, (5147), 4839 states have call successors, (5147) [2022-10-16 13:26:08,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24062 states to 24062 states and 34637 transitions. [2022-10-16 13:26:08,811 INFO L78 Accepts]: Start accepts. Automaton has 24062 states and 34637 transitions. Word has length 101 [2022-10-16 13:26:08,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:26:08,815 INFO L495 AbstractCegarLoop]: Abstraction has 24062 states and 34637 transitions. [2022-10-16 13:26:08,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-10-16 13:26:08,816 INFO L276 IsEmpty]: Start isEmpty. Operand 24062 states and 34637 transitions. [2022-10-16 13:26:08,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 13:26:08,817 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:26:08,817 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2022-10-16 13:26:08,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 13:26:08,818 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [put_rxbuf_data_and_resubmit_bulk_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, put_rxbuf_data_and_resubmit_bulk_urbErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 118 more)] === [2022-10-16 13:26:08,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:26:08,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1338744352, now seen corresponding path program 1 times [2022-10-16 13:26:08,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:26:08,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060790439] [2022-10-16 13:26:08,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:26:08,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:26:08,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:09,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:26:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:09,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:26:09,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:09,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:26:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:09,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:26:09,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:09,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:26:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:09,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:26:09,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:09,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:26:09,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:09,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:26:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:09,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:26:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:09,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:26:09,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:09,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 13:26:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:09,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 13:26:09,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:09,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 13:26:09,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:09,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-16 13:26:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:09,654 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-10-16 13:26:09,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:26:09,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060790439] [2022-10-16 13:26:09,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060790439] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:26:09,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1000453579] [2022-10-16 13:26:09,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:26:09,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:26:09,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:26:09,662 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:26:09,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 13:26:10,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:10,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 4028 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 13:26:10,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:26:10,908 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-10-16 13:26:10,908 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:26:10,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1000453579] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:26:10,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:26:10,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-10-16 13:26:10,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160666210] [2022-10-16 13:26:10,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:26:10,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:26:10,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:26:10,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:26:10,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:26:10,911 INFO L87 Difference]: Start difference. First operand 24062 states and 34637 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-10-16 13:26:11,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:26:11,985 INFO L93 Difference]: Finished difference Result 24110 states and 34714 transitions. [2022-10-16 13:26:11,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:26:11,986 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 102 [2022-10-16 13:26:11,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:26:12,114 INFO L225 Difference]: With dead ends: 24110 [2022-10-16 13:26:12,114 INFO L226 Difference]: Without dead ends: 24109 [2022-10-16 13:26:12,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:26:12,130 INFO L413 NwaCegarLoop]: 3284 mSDtfsCounter, 1364 mSDsluCounter, 2476 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1488 SdHoareTripleChecker+Valid, 5760 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 13:26:12,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1488 Valid, 5760 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 13:26:12,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24109 states. [2022-10-16 13:26:13,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24109 to 24013. [2022-10-16 13:26:13,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24013 states, 17633 states have (on average 1.3943741847671978) internal successors, (24587), 18074 states have internal predecessors, (24587), 4839 states have call successors, (4839), 1353 states have call predecessors, (4839), 1449 states have return successors, (5147), 4821 states have call predecessors, (5147), 4839 states have call successors, (5147) [2022-10-16 13:26:13,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24013 states to 24013 states and 34573 transitions. [2022-10-16 13:26:13,749 INFO L78 Accepts]: Start accepts. Automaton has 24013 states and 34573 transitions. Word has length 102 [2022-10-16 13:26:13,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:26:13,750 INFO L495 AbstractCegarLoop]: Abstraction has 24013 states and 34573 transitions. [2022-10-16 13:26:13,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-10-16 13:26:13,750 INFO L276 IsEmpty]: Start isEmpty. Operand 24013 states and 34573 transitions. [2022-10-16 13:26:13,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-10-16 13:26:13,753 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:26:13,754 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 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, 1, 1, 1, 1] [2022-10-16 13:26:13,801 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-10-16 13:26:13,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:26:13,969 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [put_rxbuf_data_and_resubmit_bulk_urbErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, put_rxbuf_data_and_resubmit_bulk_urbErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 118 more)] === [2022-10-16 13:26:13,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:26:13,970 INFO L85 PathProgramCache]: Analyzing trace with hash 821211335, now seen corresponding path program 1 times [2022-10-16 13:26:13,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:26:13,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606312173] [2022-10-16 13:26:13,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:26:13,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:26:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:15,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:26:15,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:15,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:26:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:15,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:26:15,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:15,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:26:15,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:15,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:26:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:15,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:26:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:15,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:26:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:15,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:26:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:15,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:26:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:15,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:26:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:15,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 13:26:15,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:15,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 13:26:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:15,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 13:26:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:15,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-16 13:26:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:15,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-10-16 13:26:15,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:15,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-16 13:26:15,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:15,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:26:15,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:15,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-10-16 13:26:15,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:15,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-10-16 13:26:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:15,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-10-16 13:26:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:15,737 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-10-16 13:26:15,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:26:15,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606312173] [2022-10-16 13:26:15,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606312173] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:26:15,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120023653] [2022-10-16 13:26:15,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:26:15,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:26:15,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:26:15,739 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:26:15,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 13:26:16,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:26:16,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 4286 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 13:26:16,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:26:16,889 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2022-10-16 13:26:16,890 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:26:17,065 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-10-16 13:26:17,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120023653] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:26:17,066 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 13:26:17,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 10 [2022-10-16 13:26:17,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991098103] [2022-10-16 13:26:17,069 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 13:26:17,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 13:26:17,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:26:17,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 13:26:17,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-10-16 13:26:17,071 INFO L87 Difference]: Start difference. First operand 24013 states and 34573 transitions. Second operand has 10 states, 10 states have (on average 10.3) internal successors, (103), 7 states have internal predecessors, (103), 2 states have call successors, (42), 5 states have call predecessors, (42), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26)