/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-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:10:04,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:10:04,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:10:04,662 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:10:04,662 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:10:04,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:10:04,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:10:04,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:10:04,671 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:10:04,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:10:04,674 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:10:04,676 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:10:04,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:10:04,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:10:04,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:10:04,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:10:04,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:10:04,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:10:04,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:10:04,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:10:04,705 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:10:04,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:10:04,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:10:04,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:10:04,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:10:04,716 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:10:04,717 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:10:04,718 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:10:04,719 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:10:04,720 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:10:04,721 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:10:04,722 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:10:04,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:10:04,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:10:04,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:10:04,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:10:04,728 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:10:04,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:10:04,729 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:10:04,730 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:10:04,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:10:04,732 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:10:04,771 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:10:04,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:10:04,772 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:10:04,772 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:10:04,774 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:10:04,774 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:10:04,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:10:04,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:10:04,777 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:10:04,778 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:10:04,778 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:10:04,779 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:10:04,779 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:10:04,779 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:10:04,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:10:04,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:10:04,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:10:04,782 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:10:04,782 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:10:04,783 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:10:04,783 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:10:04,783 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:10:04,784 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:10:04,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:10:04,785 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:10:04,785 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:10:04,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:10:04,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:10:04,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:10:04,787 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:10:04,787 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:10:04,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:10:04,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:10:04,789 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:10:05,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:10:05,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:10:05,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:10:05,343 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:10:05,344 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:10:05,346 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2022-10-15 21:10:05,430 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d46d3efb/e0e17f369bd446adb14bde209c96c48d/FLAG04f7e8003 [2022-10-15 21:10:06,804 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:10:06,805 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2022-10-15 21:10:06,904 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d46d3efb/e0e17f369bd446adb14bde209c96c48d/FLAG04f7e8003 [2022-10-15 21:10:06,958 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d46d3efb/e0e17f369bd446adb14bde209c96c48d [2022-10-15 21:10:06,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:10:06,970 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:10:06,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:10:06,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:10:06,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:10:06,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:10:06" (1/1) ... [2022-10-15 21:10:06,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b7c9326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:06, skipping insertion in model container [2022-10-15 21:10:06,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:10:06" (1/1) ... [2022-10-15 21:10:07,004 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:10:07,239 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:10:10,415 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-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2022-10-15 21:10:10,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:10:10,569 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:10:11,509 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-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2022-10-15 21:10:11,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:10:12,083 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:10:12,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:12 WrapperNode [2022-10-15 21:10:12,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:10:12,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:10:12,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:10:12,087 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:10:12,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:12" (1/1) ... [2022-10-15 21:10:12,346 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:12" (1/1) ... [2022-10-15 21:10:12,677 INFO L138 Inliner]: procedures = 343, calls = 3523, calls flagged for inlining = 191, calls inlined = 172, statements flattened = 8601 [2022-10-15 21:10:12,678 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:10:12,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:10:12,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:10:12,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:10:12,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:12" (1/1) ... [2022-10-15 21:10:12,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:12" (1/1) ... [2022-10-15 21:10:12,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:12" (1/1) ... [2022-10-15 21:10:12,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:12" (1/1) ... [2022-10-15 21:10:13,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:12" (1/1) ... [2022-10-15 21:10:13,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:12" (1/1) ... [2022-10-15 21:10:13,407 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:12" (1/1) ... [2022-10-15 21:10:13,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:12" (1/1) ... [2022-10-15 21:10:13,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:10:13,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:10:13,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:10:13,507 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:10:13,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:12" (1/1) ... [2022-10-15 21:10:13,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:10:13,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:10:13,557 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 21:10:13,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:10:13,649 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2022-10-15 21:10:13,649 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2022-10-15 21:10:13,650 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-10-15 21:10:13,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-15 21:10:13,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-15 21:10:13,650 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-15 21:10:13,651 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-15 21:10:13,651 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-15 21:10:13,651 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-15 21:10:13,651 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-10-15 21:10:13,651 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-10-15 21:10:13,651 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2022-10-15 21:10:13,652 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2022-10-15 21:10:13,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:10:13,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:10:13,652 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2022-10-15 21:10:13,652 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2022-10-15 21:10:13,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-10-15 21:10:13,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-10-15 21:10:13,653 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2022-10-15 21:10:13,653 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2022-10-15 21:10:13,653 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-15 21:10:13,653 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-15 21:10:13,653 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2022-10-15 21:10:13,653 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2022-10-15 21:10:13,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-10-15 21:10:13,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-10-15 21:10:13,654 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-10-15 21:10:13,654 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-10-15 21:10:13,654 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-15 21:10:13,654 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-15 21:10:13,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-15 21:10:13,654 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-15 21:10:13,655 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-15 21:10:13,655 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-15 21:10:13,655 INFO L130 BoogieDeclarations]: Found specification of procedure free_bufs [2022-10-15 21:10:13,655 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bufs [2022-10-15 21:10:13,655 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-10-15 21:10:13,655 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-10-15 21:10:13,655 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2022-10-15 21:10:13,656 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2022-10-15 21:10:13,656 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-10-15 21:10:13,656 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-10-15 21:10:13,656 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-10-15 21:10:13,656 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-10-15 21:10:13,656 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-15 21:10:13,656 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-15 21:10:13,657 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2022-10-15 21:10:13,657 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2022-10-15 21:10:13,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:10:13,658 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-10-15 21:10:13,658 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2022-10-15 21:10:13,659 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2022-10-15 21:10:13,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:10:13,659 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rbufs [2022-10-15 21:10:13,660 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rbufs [2022-10-15 21:10:13,660 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2022-10-15 21:10:13,660 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2022-10-15 21:10:13,660 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-10-15 21:10:13,660 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-10-15 21:10:13,661 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-15 21:10:13,661 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-15 21:10:13,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-10-15 21:10:13,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-10-15 21:10:13,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:10:13,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:10:13,662 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2022-10-15 21:10:13,662 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2022-10-15 21:10:13,663 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2022-10-15 21:10:13,663 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2022-10-15 21:10:13,664 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-15 21:10:13,664 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-15 21:10:13,665 INFO L130 BoogieDeclarations]: Found specification of procedure async_mode [2022-10-15 21:10:13,665 INFO L138 BoogieDeclarations]: Found implementation of procedure async_mode [2022-10-15 21:10:13,665 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2022-10-15 21:10:13,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2022-10-15 21:10:13,666 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-10-15 21:10:13,666 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-10-15 21:10:13,666 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-15 21:10:13,667 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-15 21:10:13,667 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-15 21:10:13,667 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-15 21:10:13,667 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-10-15 21:10:13,667 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-10-15 21:10:13,667 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2022-10-15 21:10:13,668 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2022-10-15 21:10:13,669 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-15 21:10:13,669 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-15 21:10:13,669 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2022-10-15 21:10:13,669 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2022-10-15 21:10:13,669 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-15 21:10:13,669 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-15 21:10:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-10-15 21:10:13,671 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-10-15 21:10:13,671 INFO L130 BoogieDeclarations]: Found specification of procedure update_tx_timer [2022-10-15 21:10:13,671 INFO L138 BoogieDeclarations]: Found implementation of procedure update_tx_timer [2022-10-15 21:10:13,672 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bufs [2022-10-15 21:10:13,673 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bufs [2022-10-15 21:10:13,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-15 21:10:13,673 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-15 21:10:13,673 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-15 21:10:13,673 INFO L130 BoogieDeclarations]: Found specification of procedure msc_set_vcr [2022-10-15 21:10:13,673 INFO L138 BoogieDeclarations]: Found implementation of procedure msc_set_vcr [2022-10-15 21:10:13,673 INFO L130 BoogieDeclarations]: Found specification of procedure isr_txeom [2022-10-15 21:10:13,674 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_txeom [2022-10-15 21:10:13,674 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-15 21:10:13,674 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-15 21:10:13,674 INFO L130 BoogieDeclarations]: Found specification of procedure setup_timer_key [2022-10-15 21:10:13,674 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_timer_key [2022-10-15 21:10:13,675 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-15 21:10:13,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-15 21:10:13,675 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_reset [2022-10-15 21:10:13,675 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_reset [2022-10-15 21:10:13,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 21:10:13,675 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2022-10-15 21:10:13,676 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2022-10-15 21:10:13,676 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2022-10-15 21:10:13,676 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2022-10-15 21:10:13,676 INFO L130 BoogieDeclarations]: Found specification of procedure slgt_cleanup [2022-10-15 21:10:13,676 INFO L138 BoogieDeclarations]: Found implementation of procedure slgt_cleanup [2022-10-15 21:10:13,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:10:13,678 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-10-15 21:10:13,679 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-10-15 21:10:13,680 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-15 21:10:13,684 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-15 21:10:13,688 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-10-15 21:10:13,688 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-10-15 21:10:13,688 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2022-10-15 21:10:13,689 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2022-10-15 21:10:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-10-15 21:10:13,690 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-10-15 21:10:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-15 21:10:13,690 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-15 21:10:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2022-10-15 21:10:13,690 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2022-10-15 21:10:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-15 21:10:13,690 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-15 21:10:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:10:13,691 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:10:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load [2022-10-15 21:10:13,691 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load [2022-10-15 21:10:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg32 [2022-10-15 21:10:13,691 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg32 [2022-10-15 21:10:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2022-10-15 21:10:13,691 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2022-10-15 21:10:13,692 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-10-15 21:10:13,692 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-10-15 21:10:13,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:10:13,692 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-10-15 21:10:13,692 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-10-15 21:10:13,692 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2022-10-15 21:10:13,692 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2022-10-15 21:10:13,692 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg32 [2022-10-15 21:10:13,693 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg32 [2022-10-15 21:10:13,693 INFO L130 BoogieDeclarations]: Found specification of procedure isr_rxdata [2022-10-15 21:10:13,693 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_rxdata [2022-10-15 21:10:13,693 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2022-10-15 21:10:13,693 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2022-10-15 21:10:13,693 INFO L130 BoogieDeclarations]: Found specification of procedure tbuf_bytes [2022-10-15 21:10:13,693 INFO L138 BoogieDeclarations]: Found implementation of procedure tbuf_bytes [2022-10-15 21:10:13,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:10:13,693 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-10-15 21:10:13,694 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-10-15 21:10:13,694 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-10-15 21:10:13,694 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-10-15 21:10:13,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:10:13,694 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2022-10-15 21:10:13,694 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2022-10-15 21:10:13,694 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2022-10-15 21:10:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2022-10-15 21:10:13,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:10:13,695 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-15 21:10:13,695 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg16 [2022-10-15 21:10:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg16 [2022-10-15 21:10:13,695 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2022-10-15 21:10:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2022-10-15 21:10:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-15 21:10:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-10-15 21:10:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg16 [2022-10-15 21:10:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg16 [2022-10-15 21:10:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-15 21:10:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-15 21:10:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure sync_mode [2022-10-15 21:10:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_mode [2022-10-15 21:10:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2022-10-15 21:10:13,697 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2022-10-15 21:10:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2022-10-15 21:10:13,697 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2022-10-15 21:10:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-15 21:10:13,697 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-15 21:10:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2022-10-15 21:10:13,697 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2022-10-15 21:10:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-15 21:10:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-15 21:10:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure free_tmp_rbuf [2022-10-15 21:10:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tmp_rbuf [2022-10-15 21:10:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-10-15 21:10:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-10-15 21:10:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure tdma_reset [2022-10-15 21:10:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure tdma_reset [2022-10-15 21:10:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2022-10-15 21:10:13,699 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2022-10-15 21:10:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-15 21:10:13,699 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-15 21:10:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:10:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2022-10-15 21:10:13,699 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2022-10-15 21:10:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2022-10-15 21:10:13,699 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2022-10-15 21:10:13,700 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg8 [2022-10-15 21:10:13,700 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg8 [2022-10-15 21:10:13,700 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2022-10-15 21:10:13,700 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2022-10-15 21:10:13,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:10:13,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:10:14,752 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:10:14,756 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:10:15,067 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:10:15,173 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2022-10-15 21:10:15,173 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2022-10-15 21:10:15,403 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-10-15 21:10:15,404 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-10-15 21:10:16,205 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:10:16,399 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2022-10-15 21:10:16,400 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2022-10-15 21:10:16,784 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:10:16,786 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:10:16,962 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume !false; [2022-10-15 21:10:16,962 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume false; [2022-10-15 21:10:16,962 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##132: assume !false; [2022-10-15 21:10:16,962 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume false; [2022-10-15 21:10:17,148 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:10:32,899 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10940: SUMMARY for call modem_input_wait_#t~ret1389#1.base, modem_input_wait_#t~ret1389#1.offset := get_current(); srcloc: null [2022-10-15 21:10:32,899 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10940-1: modem_input_wait_~tmp___8~2#1.base, modem_input_wait_~tmp___8~2#1.offset := modem_input_wait_#t~ret1389#1.base, modem_input_wait_#t~ret1389#1.offset;havoc modem_input_wait_#t~ret1389#1.base, modem_input_wait_#t~ret1389#1.offset;modem_input_wait_~__ptr___3~1#1.base, modem_input_wait_~__ptr___3~1#1.offset := modem_input_wait_~tmp___8~2#1.base, modem_input_wait_~tmp___8~2#1.offset; [2022-10-15 21:10:32,899 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10882: SUMMARY for call modem_input_wait_#t~ret1358#1.base, modem_input_wait_#t~ret1358#1.offset := get_current(); srcloc: null [2022-10-15 21:10:32,899 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10882-1: modem_input_wait_~tmp___1~21#1.base, modem_input_wait_~tmp___1~21#1.offset := modem_input_wait_#t~ret1358#1.base, modem_input_wait_#t~ret1358#1.offset;havoc modem_input_wait_#t~ret1358#1.base, modem_input_wait_#t~ret1358#1.offset;modem_input_wait_~__ptr~3#1.base, modem_input_wait_~__ptr~3#1.offset := modem_input_wait_~tmp___1~21#1.base, modem_input_wait_~tmp___1~21#1.offset; [2022-10-15 21:10:32,900 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##219: assume false; [2022-10-15 21:10:32,900 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume !false; [2022-10-15 21:10:32,900 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##474: assume !false; [2022-10-15 21:10:32,900 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##473: assume false; [2022-10-15 21:10:32,900 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11037-1: modem_input_wait_~tmp___12~1#1.base, modem_input_wait_~tmp___12~1#1.offset := modem_input_wait_#t~ret1432#1.base, modem_input_wait_#t~ret1432#1.offset;havoc modem_input_wait_#t~ret1432#1.base, modem_input_wait_#t~ret1432#1.offset;modem_input_wait_~__ptr___7~1#1.base, modem_input_wait_~__ptr___7~1#1.offset := modem_input_wait_~tmp___12~1#1.base, modem_input_wait_~tmp___12~1#1.offset; [2022-10-15 21:10:32,900 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11037: SUMMARY for call modem_input_wait_#t~ret1432#1.base, modem_input_wait_#t~ret1432#1.offset := get_current(); srcloc: null [2022-10-15 21:10:32,900 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##305: assume !false; [2022-10-15 21:10:32,901 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##304: assume false; [2022-10-15 21:10:32,901 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##313: assume !false; [2022-10-15 21:10:32,901 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##312: assume false; [2022-10-15 21:10:32,901 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10655-1: remove_cond_wait_~tmp~91#1.base, remove_cond_wait_~tmp~91#1.offset := remove_cond_wait_#t~ret1293#1.base, remove_cond_wait_#t~ret1293#1.offset;havoc remove_cond_wait_#t~ret1293#1.base, remove_cond_wait_#t~ret1293#1.offset;remove_cond_wait_~__ptr~2#1.base, remove_cond_wait_~__ptr~2#1.offset := remove_cond_wait_~tmp~91#1.base, remove_cond_wait_~tmp~91#1.offset; [2022-10-15 21:10:32,901 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10655: SUMMARY for call remove_cond_wait_#t~ret1293#1.base, remove_cond_wait_#t~ret1293#1.offset := get_current(); srcloc: null [2022-10-15 21:10:32,901 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10195: SUMMARY for call wait_mgsl_event_#t~ret1217#1.base, wait_mgsl_event_#t~ret1217#1.offset := get_current(); srcloc: null [2022-10-15 21:10:32,902 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10195-1: wait_mgsl_event_~tmp___26~0#1.base, wait_mgsl_event_~tmp___26~0#1.offset := wait_mgsl_event_#t~ret1217#1.base, wait_mgsl_event_#t~ret1217#1.offset;havoc wait_mgsl_event_#t~ret1217#1.base, wait_mgsl_event_#t~ret1217#1.offset;wait_mgsl_event_~__ptr___7~0#1.base, wait_mgsl_event_~__ptr___7~0#1.offset := wait_mgsl_event_~tmp___26~0#1.base, wait_mgsl_event_~tmp___26~0#1.offset; [2022-10-15 21:10:32,902 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10592: SUMMARY for call add_cond_wait_#t~ret1288#1.base, add_cond_wait_#t~ret1288#1.offset := get_current(); srcloc: null [2022-10-15 21:10:32,902 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##81: assume !false; [2022-10-15 21:10:32,902 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##80: assume false; [2022-10-15 21:10:32,902 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10592-1: add_cond_wait_~tmp~90#1.base, add_cond_wait_~tmp~90#1.offset := add_cond_wait_#t~ret1288#1.base, add_cond_wait_#t~ret1288#1.offset;havoc add_cond_wait_#t~ret1288#1.base, add_cond_wait_#t~ret1288#1.offset;add_cond_wait_~__ptr~1#1.base, add_cond_wait_~__ptr~1#1.offset := add_cond_wait_~tmp~90#1.base, add_cond_wait_~tmp~90#1.offset; [2022-10-15 21:10:32,902 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10064: SUMMARY for call wait_mgsl_event_#t~ret1139#1.base, wait_mgsl_event_#t~ret1139#1.offset := get_current(); srcloc: null [2022-10-15 21:10:32,902 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10064-1: wait_mgsl_event_~tmp___13~0#1.base, wait_mgsl_event_~tmp___13~0#1.offset := wait_mgsl_event_#t~ret1139#1.base, wait_mgsl_event_#t~ret1139#1.offset;havoc wait_mgsl_event_#t~ret1139#1.base, wait_mgsl_event_#t~ret1139#1.offset;wait_mgsl_event_~__ptr___3~0#1.base, wait_mgsl_event_~__ptr___3~0#1.offset := wait_mgsl_event_~tmp___13~0#1.base, wait_mgsl_event_~tmp___13~0#1.offset; [2022-10-15 21:10:32,903 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2022-10-15 21:10:32,903 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2022-10-15 21:10:32,903 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##175: assume !false; [2022-10-15 21:10:32,903 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##174: assume false; [2022-10-15 21:10:32,903 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##179: assume false; [2022-10-15 21:10:32,903 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##180: assume !false; [2022-10-15 21:10:32,904 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##187: assume !false; [2022-10-15 21:10:32,904 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##186: assume false; [2022-10-15 21:10:32,904 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume !false; [2022-10-15 21:10:32,904 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume false; [2022-10-15 21:10:32,904 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##375: assume false; [2022-10-15 21:10:32,904 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##376: assume !false; [2022-10-15 21:10:32,904 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10004: SUMMARY for call wait_mgsl_event_#t~ret1100#1.base, wait_mgsl_event_#t~ret1100#1.offset := get_current(); srcloc: null [2022-10-15 21:10:32,905 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10004-1: wait_mgsl_event_~tmp___6~1#1.base, wait_mgsl_event_~tmp___6~1#1.offset := wait_mgsl_event_#t~ret1100#1.base, wait_mgsl_event_#t~ret1100#1.offset;havoc wait_mgsl_event_#t~ret1100#1.base, wait_mgsl_event_#t~ret1100#1.offset;wait_mgsl_event_~__ptr~0#1.base, wait_mgsl_event_~__ptr~0#1.offset := wait_mgsl_event_~tmp___6~1#1.base, wait_mgsl_event_~tmp___6~1#1.offset; [2022-10-15 21:10:32,905 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##399: assume !false; [2022-10-15 21:10:32,905 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##398: assume false; [2022-10-15 21:10:32,905 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume false; [2022-10-15 21:10:32,905 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume !false; [2022-10-15 21:10:32,905 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##337: assume !false; [2022-10-15 21:10:32,906 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##336: assume false; [2022-10-15 21:10:32,906 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##349: assume !false; [2022-10-15 21:10:32,906 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##348: assume false; [2022-10-15 21:10:33,264 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:10:33,269 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:10:33,286 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:10:33,287 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:10:33,289 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-15 21:10:46,126 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##289: assume !false;call ULTIMATE.dealloc(hdlcdev_ioctl_~#new_line~0#1.base, hdlcdev_ioctl_~#new_line~0#1.offset);havoc hdlcdev_ioctl_~#new_line~0#1.base, hdlcdev_ioctl_~#new_line~0#1.offset; [2022-10-15 21:10:46,126 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##288: assume false; [2022-10-15 21:10:46,127 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##313: assume !false; [2022-10-15 21:10:46,127 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##312: assume false; [2022-10-15 21:10:46,127 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11392: SUMMARY for call block_til_ready_#t~ret1492#1.base, block_til_ready_#t~ret1492#1.offset := get_current(); srcloc: null [2022-10-15 21:10:46,127 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11392-1: block_til_ready_~tmp___9~2#1.base, block_til_ready_~tmp___9~2#1.offset := block_til_ready_#t~ret1492#1.base, block_til_ready_#t~ret1492#1.offset;havoc block_til_ready_#t~ret1492#1.base, block_til_ready_#t~ret1492#1.offset;block_til_ready_~__ptr___3~2#1.base, block_til_ready_~__ptr___3~2#1.offset := block_til_ready_~tmp___9~2#1.base, block_til_ready_~tmp___9~2#1.offset; [2022-10-15 21:10:46,127 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##335: assume !false; [2022-10-15 21:10:46,128 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##334: assume false; [2022-10-15 21:10:46,128 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##423: assume false; [2022-10-15 21:10:46,128 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##424: assume !false; [2022-10-15 21:10:46,128 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##448: assume !false; [2022-10-15 21:10:46,128 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##447: assume false; [2022-10-15 21:10:46,128 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11302-1: block_til_ready_~tmp___2~14#1.base, block_til_ready_~tmp___2~14#1.offset := block_til_ready_#t~ret1478#1.base, block_til_ready_#t~ret1478#1.offset;havoc block_til_ready_#t~ret1478#1.base, block_til_ready_#t~ret1478#1.offset;block_til_ready_~__ptr~4#1.base, block_til_ready_~__ptr~4#1.offset := block_til_ready_~tmp___2~14#1.base, block_til_ready_~tmp___2~14#1.offset; [2022-10-15 21:10:46,128 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11302: SUMMARY for call block_til_ready_#t~ret1478#1.base, block_til_ready_#t~ret1478#1.offset := get_current(); srcloc: null [2022-10-15 21:10:46,129 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##78: assume !false; [2022-10-15 21:10:46,129 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##77: assume false; [2022-10-15 21:10:46,129 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##133: assume !false; [2022-10-15 21:10:46,129 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##132: assume false; [2022-10-15 21:10:46,428 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:10:46,460 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:10:46,460 INFO L300 CfgBuilder]: Removed 17 assume(true) statements. [2022-10-15 21:10:46,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:10:46 BoogieIcfgContainer [2022-10-15 21:10:46,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:10:46,470 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:10:46,470 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:10:46,474 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:10:46,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:10:06" (1/3) ... [2022-10-15 21:10:46,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3175e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:10:46, skipping insertion in model container [2022-10-15 21:10:46,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:10:12" (2/3) ... [2022-10-15 21:10:46,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3175e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:10:46, skipping insertion in model container [2022-10-15 21:10:46,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:10:46" (3/3) ... [2022-10-15 21:10:46,477 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2022-10-15 21:10:46,500 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:10:46,501 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 158 error locations. [2022-10-15 21:10:46,625 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:10:46,634 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;@3ceb4f40, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:10:46,634 INFO L358 AbstractCegarLoop]: Starting to check reachability of 158 error locations. [2022-10-15 21:10:46,655 INFO L276 IsEmpty]: Start isEmpty. Operand has 3098 states, 2224 states have (on average 1.4599820143884892) internal successors, (3247), 2456 states have internal predecessors, (3247), 627 states have call successors, (627), 98 states have call predecessors, (627), 98 states have return successors, (627), 607 states have call predecessors, (627), 627 states have call successors, (627) [2022-10-15 21:10:46,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-15 21:10:46,672 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:10:46,673 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:10:46,673 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [set_signalsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, set_signalsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, set_signalsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 155 more)] === [2022-10-15 21:10:46,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:10:46,681 INFO L85 PathProgramCache]: Analyzing trace with hash -407639705, now seen corresponding path program 1 times [2022-10-15 21:10:46,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:10:46,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498071982] [2022-10-15 21:10:46,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:10:46,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:10:47,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:47,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:10:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:47,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:10:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:10:47,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:10:47,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:10:47,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498071982] [2022-10-15 21:10:47,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498071982] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:10:47,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:10:47,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:10:47,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762609395] [2022-10-15 21:10:47,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:10:47,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:10:47,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:10:47,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:10:47,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:10:47,650 INFO L87 Difference]: Start difference. First operand has 3098 states, 2224 states have (on average 1.4599820143884892) internal successors, (3247), 2456 states have internal predecessors, (3247), 627 states have call successors, (627), 98 states have call predecessors, (627), 98 states have return successors, (627), 607 states have call predecessors, (627), 627 states have call successors, (627) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-15 21:10:53,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:10:59,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:10:59,285 INFO L93 Difference]: Finished difference Result 6222 states and 9109 transitions. [2022-10-15 21:10:59,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:10:59,291 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 30 [2022-10-15 21:10:59,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:10:59,353 INFO L225 Difference]: With dead ends: 6222 [2022-10-15 21:10:59,353 INFO L226 Difference]: Without dead ends: 3125 [2022-10-15 21:10:59,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:10:59,385 INFO L413 NwaCegarLoop]: 4178 mSDtfsCounter, 1452 mSDsluCounter, 6552 mSDsCounter, 0 mSdLazyCounter, 4773 mSolverCounterSat, 640 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1702 SdHoareTripleChecker+Valid, 10730 SdHoareTripleChecker+Invalid, 5413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 640 IncrementalHoareTripleChecker+Valid, 4773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-10-15 21:10:59,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1702 Valid, 10730 Invalid, 5413 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [640 Valid, 4773 Invalid, 0 Unknown, 0 Unchecked, 10.8s Time] [2022-10-15 21:10:59,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3125 states. [2022-10-15 21:10:59,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3125 to 3068. [2022-10-15 21:10:59,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3068 states, 2194 states have (on average 1.4439380127620784) internal successors, (3168), 2428 states have internal predecessors, (3168), 625 states have call successors, (625), 97 states have call predecessors, (625), 97 states have return successors, (624), 604 states have call predecessors, (624), 624 states have call successors, (624) [2022-10-15 21:10:59,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3068 states to 3068 states and 4417 transitions. [2022-10-15 21:10:59,667 INFO L78 Accepts]: Start accepts. Automaton has 3068 states and 4417 transitions. Word has length 30 [2022-10-15 21:10:59,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:10:59,668 INFO L495 AbstractCegarLoop]: Abstraction has 3068 states and 4417 transitions. [2022-10-15 21:10:59,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-15 21:10:59,668 INFO L276 IsEmpty]: Start isEmpty. Operand 3068 states and 4417 transitions. [2022-10-15 21:10:59,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-15 21:10:59,672 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:10:59,672 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:10:59,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:10:59,673 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting wr_reg32Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [set_signalsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, set_signalsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, set_signalsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 155 more)] === [2022-10-15 21:10:59,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:10:59,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1547469123, now seen corresponding path program 1 times [2022-10-15 21:10:59,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:10:59,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384692004] [2022-10-15 21:10:59,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:10:59,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:10:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:00,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:11:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:00,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:11:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:11:00,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:11:00,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:11:00,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384692004] [2022-10-15 21:11:00,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384692004] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:11:00,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:11:00,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:11:00,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123707357] [2022-10-15 21:11:00,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:11:00,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:11:00,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:11:00,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:11:00,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:11:00,136 INFO L87 Difference]: Start difference. First operand 3068 states and 4417 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)