/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--tty--synclinkmp.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:08:10,675 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:08:10,679 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:08:10,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:08:10,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:08:10,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:08:10,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:08:10,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:08:10,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:08:10,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:08:10,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:08:10,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:08:10,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:08:10,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:08:10,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:08:10,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:08:10,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:08:10,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:08:10,744 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:08:10,747 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:08:10,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:08:10,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:08:10,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:08:10,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:08:10,768 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:08:10,768 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:08:10,770 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:08:10,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:08:10,775 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:08:10,777 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:08:10,777 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:08:10,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:08:10,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:08:10,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:08:10,785 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:08:10,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:08:10,787 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:08:10,787 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:08:10,787 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:08:10,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:08:10,791 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:08:10,792 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 21:08:10,855 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:08:10,855 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:08:10,856 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:08:10,857 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:08:10,859 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:08:10,859 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:08:10,862 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:08:10,863 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:08:10,863 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:08:10,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:08:10,864 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:08:10,865 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:08:10,865 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:08:10,865 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:08:10,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:08:10,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:08:10,866 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:08:10,866 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:08:10,866 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:08:10,866 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:08:10,866 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:08:10,867 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:08:10,867 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:08:10,867 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:08:10,867 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:08:10,867 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:08:10,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:08:10,868 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:08:10,868 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:08:10,868 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:08:10,869 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:08:10,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:08:10,869 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:08:10,869 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:08:11,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:08:11,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:08:11,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:08:11,298 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:08:11,299 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:08:11,301 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--tty--synclinkmp.ko-main.cil.out.i [2022-10-15 21:08:11,399 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b46dda0e7/635d1203d03f4d65ac7fab874420e383/FLAG88277eb21 [2022-10-15 21:08:12,636 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:08:12,638 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--tty--synclinkmp.ko-main.cil.out.i [2022-10-15 21:08:12,715 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b46dda0e7/635d1203d03f4d65ac7fab874420e383/FLAG88277eb21 [2022-10-15 21:08:12,881 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b46dda0e7/635d1203d03f4d65ac7fab874420e383 [2022-10-15 21:08:12,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:08:12,893 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:08:12,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:08:12,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:08:12,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:08:12,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:08:12" (1/1) ... [2022-10-15 21:08:12,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12113cd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:12, skipping insertion in model container [2022-10-15 21:08:12,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:08:12" (1/1) ... [2022-10-15 21:08:12,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:08:13,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:08:16,578 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--tty--synclinkmp.ko-main.cil.out.i[386276,386289] [2022-10-15 21:08:16,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:08:16,794 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:08:17,763 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--tty--synclinkmp.ko-main.cil.out.i[386276,386289] [2022-10-15 21:08:17,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:08:18,040 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:08:18,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:18 WrapperNode [2022-10-15 21:08:18,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:08:18,044 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:08:18,044 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:08:18,044 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:08:18,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:18" (1/1) ... [2022-10-15 21:08:18,209 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:18" (1/1) ... [2022-10-15 21:08:18,533 INFO L138 Inliner]: procedures = 356, calls = 3808, calls flagged for inlining = 167, calls inlined = 133, statements flattened = 7610 [2022-10-15 21:08:18,533 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:08:18,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:08:18,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:08:18,535 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:08:18,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:18" (1/1) ... [2022-10-15 21:08:18,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:18" (1/1) ... [2022-10-15 21:08:18,619 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:18" (1/1) ... [2022-10-15 21:08:18,619 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:18" (1/1) ... [2022-10-15 21:08:18,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:18" (1/1) ... [2022-10-15 21:08:19,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:18" (1/1) ... [2022-10-15 21:08:19,077 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:18" (1/1) ... [2022-10-15 21:08:19,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:18" (1/1) ... [2022-10-15 21:08:19,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:08:19,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:08:19,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:08:19,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:08:19,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:18" (1/1) ... [2022-10-15 21:08:19,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:08:19,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:08:19,250 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 21:08:19,274 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 21:08:19,339 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2022-10-15 21:08:19,340 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2022-10-15 21:08:19,340 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2022-10-15 21:08:19,340 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2022-10-15 21:08:19,340 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-10-15 21:08:19,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-15 21:08:19,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-15 21:08:19,341 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2022-10-15 21:08:19,341 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2022-10-15 21:08:19,341 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-15 21:08:19,341 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-15 21:08:19,341 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-15 21:08:19,342 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-15 21:08:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-10-15 21:08:19,342 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-10-15 21:08:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2022-10-15 21:08:19,342 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2022-10-15 21:08:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure irq_test [2022-10-15 21:08:19,342 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_test [2022-10-15 21:08:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2022-10-15 21:08:19,343 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2022-10-15 21:08:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_ioctl [2022-10-15 21:08:19,343 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_ioctl [2022-10-15 21:08:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:08:19,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:08:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure flush_chars [2022-10-15 21:08:19,343 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_chars [2022-10-15 21:08:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-10-15 21:08:19,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-10-15 21:08:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-15 21:08:19,344 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-15 21:08:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:08:19,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:08:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2022-10-15 21:08:19,345 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2022-10-15 21:08:19,345 INFO L130 BoogieDeclarations]: Found specification of procedure sca_init [2022-10-15 21:08:19,345 INFO L138 BoogieDeclarations]: Found implementation of procedure sca_init [2022-10-15 21:08:19,345 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-10-15 21:08:19,345 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-10-15 21:08:19,345 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-15 21:08:19,345 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-15 21:08:19,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-15 21:08:19,346 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-15 21:08:19,346 INFO L130 BoogieDeclarations]: Found specification of procedure chars_in_buffer [2022-10-15 21:08:19,346 INFO L138 BoogieDeclarations]: Found implementation of procedure chars_in_buffer [2022-10-15 21:08:19,346 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-15 21:08:19,346 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-15 21:08:19,346 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-10-15 21:08:19,346 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-10-15 21:08:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2022-10-15 21:08:19,347 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2022-10-15 21:08:19,348 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-10-15 21:08:19,348 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-10-15 21:08:19,348 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-15 21:08:19,349 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-15 21:08:19,349 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2022-10-15 21:08:19,350 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_change_mtu [2022-10-15 21:08:19,350 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-15 21:08:19,350 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-15 21:08:19,350 INFO L130 BoogieDeclarations]: Found specification of procedure set_break [2022-10-15 21:08:19,350 INFO L138 BoogieDeclarations]: Found implementation of procedure set_break [2022-10-15 21:08:19,350 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2022-10-15 21:08:19,350 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2022-10-15 21:08:19,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:08:19,351 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-10-15 21:08:19,351 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2022-10-15 21:08:19,351 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2022-10-15 21:08:19,352 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_frame_bufs [2022-10-15 21:08:19,352 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_frame_bufs [2022-10-15 21:08:19,352 INFO L130 BoogieDeclarations]: Found specification of procedure rx_free_frame_buffers [2022-10-15 21:08:19,353 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_free_frame_buffers [2022-10-15 21:08:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:08:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2022-10-15 21:08:19,354 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2022-10-15 21:08:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-10-15 21:08:19,354 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-10-15 21:08:19,355 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-15 21:08:19,355 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-15 21:08:19,355 INFO L130 BoogieDeclarations]: Found specification of procedure synclinkmp_cleanup [2022-10-15 21:08:19,355 INFO L138 BoogieDeclarations]: Found implementation of procedure synclinkmp_cleanup [2022-10-15 21:08:19,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_tty_port [2022-10-15 21:08:19,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_tty_port [2022-10-15 21:08:19,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:08:19,356 INFO L130 BoogieDeclarations]: Found specification of procedure dtr_rts [2022-10-15 21:08:19,356 INFO L138 BoogieDeclarations]: Found implementation of procedure dtr_rts [2022-10-15 21:08:19,356 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-10-15 21:08:19,356 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-10-15 21:08:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:08:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2022-10-15 21:08:19,358 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2022-10-15 21:08:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-15 21:08:19,358 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-15 21:08:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2022-10-15 21:08:19,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2022-10-15 21:08:19,360 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-10-15 21:08:19,360 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-10-15 21:08:19,361 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-15 21:08:19,361 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-15 21:08:19,361 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmset [2022-10-15 21:08:19,361 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmset [2022-10-15 21:08:19,362 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-15 21:08:19,362 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-15 21:08:19,362 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2022-10-15 21:08:19,362 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2022-10-15 21:08:19,362 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-15 21:08:19,362 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-15 21:08:19,362 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2022-10-15 21:08:19,363 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2022-10-15 21:08:19,363 INFO L130 BoogieDeclarations]: Found specification of procedure loopback_test [2022-10-15 21:08:19,363 INFO L138 BoogieDeclarations]: Found implementation of procedure loopback_test [2022-10-15 21:08:19,363 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-10-15 21:08:19,363 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-10-15 21:08:19,364 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_timeout [2022-10-15 21:08:19,364 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_timeout [2022-10-15 21:08:19,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-15 21:08:19,364 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-15 21:08:19,364 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-15 21:08:19,364 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-15 21:08:19,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-15 21:08:19,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 21:08:19,365 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-10-15 21:08:19,365 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-10-15 21:08:19,367 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2022-10-15 21:08:19,368 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2022-10-15 21:08:19,371 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2022-10-15 21:08:19,376 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2022-10-15 21:08:19,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:08:19,376 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-10-15 21:08:19,376 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-10-15 21:08:19,377 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-15 21:08:19,377 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-15 21:08:19,377 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-10-15 21:08:19,377 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-10-15 21:08:19,377 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2022-10-15 21:08:19,377 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2022-10-15 21:08:19,377 INFO L130 BoogieDeclarations]: Found specification of procedure set_termios [2022-10-15 21:08:19,377 INFO L138 BoogieDeclarations]: Found implementation of procedure set_termios [2022-10-15 21:08:19,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-15 21:08:19,379 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-15 21:08:19,379 INFO L130 BoogieDeclarations]: Found specification of procedure write_room [2022-10-15 21:08:19,379 INFO L138 BoogieDeclarations]: Found implementation of procedure write_room [2022-10-15 21:08:19,380 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2022-10-15 21:08:19,380 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2022-10-15 21:08:19,380 INFO L130 BoogieDeclarations]: Found specification of procedure install [2022-10-15 21:08:19,380 INFO L138 BoogieDeclarations]: Found implementation of procedure install [2022-10-15 21:08:19,380 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2022-10-15 21:08:19,380 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_destroy [2022-10-15 21:08:19,380 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-15 21:08:19,380 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-15 21:08:19,381 INFO L130 BoogieDeclarations]: Found specification of procedure throttle [2022-10-15 21:08:19,381 INFO L138 BoogieDeclarations]: Found implementation of procedure throttle [2022-10-15 21:08:19,381 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-10-15 21:08:19,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-10-15 21:08:19,381 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:08:19,381 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:08:19,381 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load_fifo [2022-10-15 21:08:19,381 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load_fifo [2022-10-15 21:08:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_tty_port [2022-10-15 21:08:19,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_tty_port [2022-10-15 21:08:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:08:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-10-15 21:08:19,382 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-10-15 21:08:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load_dma_buffer [2022-10-15 21:08:19,382 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load_dma_buffer [2022-10-15 21:08:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2022-10-15 21:08:19,382 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2022-10-15 21:08:19,383 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_raised [2022-10-15 21:08:19,383 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_raised [2022-10-15 21:08:19,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:08:19,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:08:19,383 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2022-10-15 21:08:19,383 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2022-10-15 21:08:19,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:08:19,383 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-10-15 21:08:19,384 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-10-15 21:08:19,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:08:19,384 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2022-10-15 21:08:19,384 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2022-10-15 21:08:19,384 INFO L130 BoogieDeclarations]: Found specification of procedure register_test [2022-10-15 21:08:19,384 INFO L138 BoogieDeclarations]: Found implementation of procedure register_test [2022-10-15 21:08:19,384 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2022-10-15 21:08:19,384 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2022-10-15 21:08:19,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:08:19,385 INFO L130 BoogieDeclarations]: Found specification of procedure hangup [2022-10-15 21:08:19,385 INFO L138 BoogieDeclarations]: Found implementation of procedure hangup [2022-10-15 21:08:19,385 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-15 21:08:19,385 INFO L130 BoogieDeclarations]: Found specification of procedure get_icount [2022-10-15 21:08:19,385 INFO L138 BoogieDeclarations]: Found implementation of procedure get_icount [2022-10-15 21:08:19,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ops_disconnect_1 [2022-10-15 21:08:19,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ops_disconnect_1 [2022-10-15 21:08:19,386 INFO L130 BoogieDeclarations]: Found specification of procedure write_control_reg [2022-10-15 21:08:19,386 INFO L138 BoogieDeclarations]: Found implementation of procedure write_control_reg [2022-10-15 21:08:19,386 INFO L130 BoogieDeclarations]: Found specification of procedure put_char [2022-10-15 21:08:19,386 INFO L138 BoogieDeclarations]: Found implementation of procedure put_char [2022-10-15 21:08:19,386 INFO L130 BoogieDeclarations]: Found specification of procedure unthrottle [2022-10-15 21:08:19,386 INFO L138 BoogieDeclarations]: Found implementation of procedure unthrottle [2022-10-15 21:08:19,386 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2022-10-15 21:08:19,386 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2022-10-15 21:08:19,386 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-15 21:08:19,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-10-15 21:08:19,387 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-15 21:08:19,387 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-15 21:08:19,387 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_mode [2022-10-15 21:08:19,387 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_mode [2022-10-15 21:08:19,387 INFO L130 BoogieDeclarations]: Found specification of procedure rx_get_frame [2022-10-15 21:08:19,387 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_get_frame [2022-10-15 21:08:19,387 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2022-10-15 21:08:19,387 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2022-10-15 21:08:19,388 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-10-15 21:08:19,388 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-10-15 21:08:19,388 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2022-10-15 21:08:19,388 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2022-10-15 21:08:19,388 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-10-15 21:08:19,388 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-10-15 21:08:19,388 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmget [2022-10-15 21:08:19,388 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmget [2022-10-15 21:08:19,389 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2022-10-15 21:08:19,389 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2022-10-15 21:08:19,389 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg16 [2022-10-15 21:08:19,389 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg16 [2022-10-15 21:08:19,389 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-10-15 21:08:19,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-10-15 21:08:19,389 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2022-10-15 21:08:19,389 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2022-10-15 21:08:19,390 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-15 21:08:19,390 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-15 21:08:19,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:08:19,390 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-10-15 21:08:19,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-10-15 21:08:19,390 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2022-10-15 21:08:19,390 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2022-10-15 21:08:19,390 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2022-10-15 21:08:19,391 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2022-10-15 21:08:19,391 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2022-10-15 21:08:19,391 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2022-10-15 21:08:19,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:08:19,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:08:19,391 INFO L130 BoogieDeclarations]: Found specification of procedure read_status_reg [2022-10-15 21:08:19,391 INFO L138 BoogieDeclarations]: Found implementation of procedure read_status_reg [2022-10-15 21:08:20,411 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:08:20,415 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:08:55,920 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:08:55,975 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:08:55,975 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 21:08:55,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:08:55 BoogieIcfgContainer [2022-10-15 21:08:55,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:08:55,987 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:08:55,987 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:08:55,992 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:08:55,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:08:12" (1/3) ... [2022-10-15 21:08:55,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1243a08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:08:55, skipping insertion in model container [2022-10-15 21:08:55,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:18" (2/3) ... [2022-10-15 21:08:56,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1243a08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:08:56, skipping insertion in model container [2022-10-15 21:08:56,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:08:55" (3/3) ... [2022-10-15 21:08:56,006 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--tty--synclinkmp.ko-main.cil.out.i [2022-10-15 21:08:56,033 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:08:56,034 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 178 error locations. [2022-10-15 21:08:56,233 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:08:56,246 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;@6f16d66a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:08:56,246 INFO L358 AbstractCegarLoop]: Starting to check reachability of 178 error locations. [2022-10-15 21:08:56,268 INFO L276 IsEmpty]: Start isEmpty. Operand has 3311 states, 2312 states have (on average 1.5008650519031141) internal successors, (3470), 2546 states have internal predecessors, (3470), 710 states have call successors, (710), 110 states have call predecessors, (710), 110 states have return successors, (710), 704 states have call predecessors, (710), 710 states have call successors, (710) [2022-10-15 21:08:56,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-15 21:08:56,281 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:08:56,283 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:08:56,284 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [set_signalsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, set_signalsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, set_signalsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 175 more)] === [2022-10-15 21:08:56,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:08:56,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1025449036, now seen corresponding path program 1 times [2022-10-15 21:08:56,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:08:56,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169258059] [2022-10-15 21:08:56,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:08:56,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:08:56,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:08:57,097 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 21:08:57,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:08:57,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169258059] [2022-10-15 21:08:57,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169258059] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:08:57,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:08:57,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:08:57,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907087473] [2022-10-15 21:08:57,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:08:57,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:08:57,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:08:57,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:08:57,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:08:57,158 INFO L87 Difference]: Start difference. First operand has 3311 states, 2312 states have (on average 1.5008650519031141) internal successors, (3470), 2546 states have internal predecessors, (3470), 710 states have call successors, (710), 110 states have call predecessors, (710), 110 states have return successors, (710), 704 states have call predecessors, (710), 710 states have call successors, (710) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:08:57,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:08:57,931 INFO L93 Difference]: Finished difference Result 9871 states and 14904 transitions. [2022-10-15 21:08:57,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:08:57,935 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-10-15 21:08:57,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:08:58,024 INFO L225 Difference]: With dead ends: 9871 [2022-10-15 21:08:58,024 INFO L226 Difference]: Without dead ends: 6529 [2022-10-15 21:08:58,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:08:58,076 INFO L413 NwaCegarLoop]: 5448 mSDtfsCounter, 4705 mSDsluCounter, 4727 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4705 SdHoareTripleChecker+Valid, 10175 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:08:58,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4705 Valid, 10175 Invalid, 17 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:08:58,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6529 states. [2022-10-15 21:08:58,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6529 to 6369. [2022-10-15 21:08:58,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6369 states, 4579 states have (on average 1.4396156366018782) internal successors, (6592), 4844 states have internal predecessors, (6592), 1408 states have call successors, (1408), 218 states have call predecessors, (1408), 218 states have return successors, (1406), 1394 states have call predecessors, (1406), 1406 states have call successors, (1406) [2022-10-15 21:08:58,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6369 states to 6369 states and 9406 transitions. [2022-10-15 21:08:58,649 INFO L78 Accepts]: Start accepts. Automaton has 6369 states and 9406 transitions. Word has length 10 [2022-10-15 21:08:58,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:08:58,649 INFO L495 AbstractCegarLoop]: Abstraction has 6369 states and 9406 transitions. [2022-10-15 21:08:58,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:08:58,650 INFO L276 IsEmpty]: Start isEmpty. Operand 6369 states and 9406 transitions. [2022-10-15 21:08:58,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-15 21:08:58,655 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:08:58,655 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:08:58,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:08:58,656 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [set_signalsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, set_signalsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, set_signalsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 175 more)] === [2022-10-15 21:08:58,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:08:58,657 INFO L85 PathProgramCache]: Analyzing trace with hash -444328933, now seen corresponding path program 1 times [2022-10-15 21:08:58,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:08:58,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488270917] [2022-10-15 21:08:58,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:08:58,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:08:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:08:58,940 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 21:08:58,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:08:58,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488270917] [2022-10-15 21:08:58,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488270917] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:08:58,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:08:58,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:08:58,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945607060] [2022-10-15 21:08:58,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:08:58,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:08:58,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:08:58,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:08:58,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:08:58,945 INFO L87 Difference]: Start difference. First operand 6369 states and 9406 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:08:59,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:08:59,759 INFO L93 Difference]: Finished difference Result 17901 states and 26458 transitions. [2022-10-15 21:08:59,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:08:59,760 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-10-15 21:08:59,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:08:59,856 INFO L225 Difference]: With dead ends: 17901 [2022-10-15 21:08:59,857 INFO L226 Difference]: Without dead ends: 11535 [2022-10-15 21:08:59,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:08:59,906 INFO L413 NwaCegarLoop]: 5447 mSDtfsCounter, 3834 mSDsluCounter, 4710 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3834 SdHoareTripleChecker+Valid, 10157 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:08:59,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3834 Valid, 10157 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:08:59,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11535 states. [2022-10-15 21:09:00,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11535 to 11403. [2022-10-15 21:09:00,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11403 states, 8263 states have (on average 1.4431804429384) internal successors, (11925), 8624 states have internal predecessors, (11925), 2566 states have call successors, (2566), 410 states have call predecessors, (2566), 410 states have return successors, (2562), 2538 states have call predecessors, (2562), 2562 states have call successors, (2562) [2022-10-15 21:09:00,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11403 states to 11403 states and 17053 transitions. [2022-10-15 21:09:00,894 INFO L78 Accepts]: Start accepts. Automaton has 11403 states and 17053 transitions. Word has length 16 [2022-10-15 21:09:00,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:09:00,895 INFO L495 AbstractCegarLoop]: Abstraction has 11403 states and 17053 transitions. [2022-10-15 21:09:00,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:09:00,895 INFO L276 IsEmpty]: Start isEmpty. Operand 11403 states and 17053 transitions. [2022-10-15 21:09:00,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-15 21:09:00,899 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:09:00,899 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:09:00,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:09:00,900 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [set_signalsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, set_signalsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, set_signalsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 175 more)] === [2022-10-15 21:09:00,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:09:00,901 INFO L85 PathProgramCache]: Analyzing trace with hash -392767976, now seen corresponding path program 1 times [2022-10-15 21:09:00,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:09:00,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911933388] [2022-10-15 21:09:00,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:09:00,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:09:01,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:09:01,208 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 21:09:01,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:09:01,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911933388] [2022-10-15 21:09:01,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911933388] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:09:01,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:09:01,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:09:01,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157424461] [2022-10-15 21:09:01,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:09:01,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:09:01,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:09:01,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:09:01,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:09:01,211 INFO L87 Difference]: Start difference. First operand 11403 states and 17053 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:09:02,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:09:02,526 INFO L93 Difference]: Finished difference Result 33975 states and 50797 transitions. [2022-10-15 21:09:02,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:09:02,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-10-15 21:09:02,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:09:02,723 INFO L225 Difference]: With dead ends: 33975 [2022-10-15 21:09:02,723 INFO L226 Difference]: Without dead ends: 22575 [2022-10-15 21:09:02,814 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:09:02,816 INFO L413 NwaCegarLoop]: 6343 mSDtfsCounter, 4623 mSDsluCounter, 4689 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4623 SdHoareTripleChecker+Valid, 11032 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:09:02,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4623 Valid, 11032 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:09:02,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22575 states. [2022-10-15 21:09:04,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22575 to 22415. [2022-10-15 21:09:04,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22415 states, 16363 states have (on average 1.4422171973354518) internal successors, (23599), 16922 states have internal predecessors, (23599), 5076 states have call successors, (5076), 812 states have call predecessors, (5076), 812 states have return successors, (5068), 5020 states have call predecessors, (5068), 5068 states have call successors, (5068) [2022-10-15 21:09:04,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22415 states to 22415 states and 33743 transitions. [2022-10-15 21:09:04,516 INFO L78 Accepts]: Start accepts. Automaton has 22415 states and 33743 transitions. Word has length 18 [2022-10-15 21:09:04,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:09:04,517 INFO L495 AbstractCegarLoop]: Abstraction has 22415 states and 33743 transitions. [2022-10-15 21:09:04,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:09:04,518 INFO L276 IsEmpty]: Start isEmpty. Operand 22415 states and 33743 transitions. [2022-10-15 21:09:04,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-15 21:09:04,521 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:09:04,521 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] [2022-10-15 21:09:04,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:09:04,521 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [set_signalsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, set_signalsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, set_signalsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 175 more)] === [2022-10-15 21:09:04,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:09:04,522 INFO L85 PathProgramCache]: Analyzing trace with hash -157624147, now seen corresponding path program 1 times [2022-10-15 21:09:04,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:09:04,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975782119] [2022-10-15 21:09:04,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:09:04,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:09:04,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:09:04,866 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 21:09:04,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:09:04,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975782119] [2022-10-15 21:09:04,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975782119] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:09:04,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:09:04,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:09:04,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310762108] [2022-10-15 21:09:04,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:09:04,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:09:04,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:09:04,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:09:04,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:09:04,869 INFO L87 Difference]: Start difference. First operand 22415 states and 33743 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)