/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--media--usb--dvb-usb--dvb-usb-gp8psk.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:17:50,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:17:50,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:17:50,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:17:50,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:17:50,658 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:17:50,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:17:50,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:17:50,675 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:17:50,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:17:50,684 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:17:50,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:17:50,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:17:50,689 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:17:50,691 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:17:50,697 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:17:50,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:17:50,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:17:50,704 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:17:50,714 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:17:50,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:17:50,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:17:50,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:17:50,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:17:50,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:17:50,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:17:50,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:17:50,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:17:50,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:17:50,733 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:17:50,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:17:50,734 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:17:50,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:17:50,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:17:50,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:17:50,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:17:50,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:17:50,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:17:50,739 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:17:50,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:17:50,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:17:50,743 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 21:17:50,772 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:17:50,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:17:50,773 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:17:50,774 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:17:50,775 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:17:50,775 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:17:50,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:17:50,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:17:50,776 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:17:50,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:17:50,777 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:17:50,777 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:17:50,777 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:17:50,778 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:17:50,778 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:17:50,778 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:17:50,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:17:50,779 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:17:50,779 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:17:50,779 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:17:50,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:17:50,780 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:17:50,780 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:17:50,780 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:17:50,780 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:17:50,781 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:17:50,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:17:50,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:17:50,781 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:17:50,782 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:17:50,782 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:17:50,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:17:50,782 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:17:50,783 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:17:51,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:17:51,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:17:51,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:17:51,207 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:17:51,207 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:17:51,209 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--media--usb--dvb-usb--dvb-usb-gp8psk.ko-entry_point.cil.out.i [2022-10-15 21:17:51,295 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4eb51a2a/69f57c12e0cc498b989a0200ef236222/FLAGb760e0d05 [2022-10-15 21:17:52,452 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:17:52,453 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--media--usb--dvb-usb--dvb-usb-gp8psk.ko-entry_point.cil.out.i [2022-10-15 21:17:52,506 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4eb51a2a/69f57c12e0cc498b989a0200ef236222/FLAGb760e0d05 [2022-10-15 21:17:52,840 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4eb51a2a/69f57c12e0cc498b989a0200ef236222 [2022-10-15 21:17:52,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:17:52,849 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:17:52,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:17:52,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:17:52,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:17:52,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:17:52" (1/1) ... [2022-10-15 21:17:52,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1001ad04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:17:52, skipping insertion in model container [2022-10-15 21:17:52,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:17:52" (1/1) ... [2022-10-15 21:17:52,870 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:17:53,074 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:17:53,869 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6679] [2022-10-15 21:17:53,869 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6680-6681] [2022-10-15 21:17:54,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--media--usb--dvb-usb--dvb-usb-gp8psk.ko-entry_point.cil.out.i[194974,194987] [2022-10-15 21:17:54,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:17:55,084 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:17:55,456 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6679] [2022-10-15 21:17:55,457 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6680-6681] [2022-10-15 21:17:55,476 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--media--usb--dvb-usb--dvb-usb-gp8psk.ko-entry_point.cil.out.i[194974,194987] [2022-10-15 21:17:55,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:17:55,888 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:17:55,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:17:55 WrapperNode [2022-10-15 21:17:55,889 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:17:55,891 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:17:55,891 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:17:55,891 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:17:55,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:17:55" (1/1) ... [2022-10-15 21:17:56,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:17:55" (1/1) ... [2022-10-15 21:17:56,151 INFO L138 Inliner]: procedures = 128, calls = 1081, calls flagged for inlining = 38, calls inlined = 34, statements flattened = 1887 [2022-10-15 21:17:56,152 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:17:56,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:17:56,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:17:56,153 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:17:56,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:17:55" (1/1) ... [2022-10-15 21:17:56,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:17:55" (1/1) ... [2022-10-15 21:17:56,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:17:55" (1/1) ... [2022-10-15 21:17:56,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:17:55" (1/1) ... [2022-10-15 21:17:56,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:17:55" (1/1) ... [2022-10-15 21:17:56,324 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:17:55" (1/1) ... [2022-10-15 21:17:56,345 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:17:55" (1/1) ... [2022-10-15 21:17:56,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:17:55" (1/1) ... [2022-10-15 21:17:56,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:17:56,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:17:56,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:17:56,391 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:17:56,392 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:17:55" (1/1) ... [2022-10-15 21:17:56,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:17:56,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:17:56,442 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 21:17:56,463 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 21:17:56,510 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_fe_read_unc_blocks [2022-10-15 21:17:56,510 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_fe_read_unc_blocks [2022-10-15 21:17:56,512 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_fe_set_frontend [2022-10-15 21:17:56,512 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_fe_set_frontend [2022-10-15 21:17:56,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 21:17:56,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-15 21:17:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-15 21:17:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-15 21:17:56,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-15 21:17:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:17:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_fe_set_voltage [2022-10-15 21:17:56,513 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_fe_set_voltage [2022-10-15 21:17:56,513 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_usb_in_op [2022-10-15 21:17:56,514 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_usb_in_op [2022-10-15 21:17:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-15 21:17:56,514 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-15 21:17:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-10-15 21:17:56,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-10-15 21:17:56,514 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_fe_update_status [2022-10-15 21:17:56,515 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_fe_update_status [2022-10-15 21:17:56,515 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_fe_read_signal_strength [2022-10-15 21:17:56,515 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_fe_read_signal_strength [2022-10-15 21:17:56,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:17:56,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:17:56,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-15 21:17:56,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-15 21:17:56,516 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-10-15 21:17:56,516 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-10-15 21:17:56,516 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:17:56,516 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:17:56,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:17:56,518 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-15 21:17:56,518 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-15 21:17:56,518 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_fe_read_status [2022-10-15 21:17:56,518 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_fe_read_status [2022-10-15 21:17:56,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:17:56,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:17:56,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-15 21:17:56,519 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-15 21:17:56,519 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_fe_get_tune_settings [2022-10-15 21:17:56,519 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_fe_get_tune_settings [2022-10-15 21:17:56,519 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-15 21:17:56,520 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-15 21:17:56,520 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_fe_set_tone [2022-10-15 21:17:56,520 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_fe_set_tone [2022-10-15 21:17:56,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:17:56,520 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_load_bcm4500fw [2022-10-15 21:17:56,521 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_load_bcm4500fw [2022-10-15 21:17:56,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:17:56,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:17:56,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:17:56,522 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_fe_enable_high_lnb_voltage [2022-10-15 21:17:56,523 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_fe_enable_high_lnb_voltage [2022-10-15 21:17:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:17:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-10-15 21:17:56,523 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-10-15 21:17:56,523 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_fe_read_ber [2022-10-15 21:17:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_fe_read_ber [2022-10-15 21:17:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_usb_out_op [2022-10-15 21:17:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_usb_out_op [2022-10-15 21:17:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:17:56,525 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_fe_send_legacy_dish_cmd [2022-10-15 21:17:56,526 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_fe_send_legacy_dish_cmd [2022-10-15 21:17:56,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:17:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_fe_send_diseqc_burst [2022-10-15 21:17:56,527 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_fe_send_diseqc_burst [2022-10-15 21:17:56,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:17:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure gp8psk_fe_send_diseqc_msg [2022-10-15 21:17:56,528 INFO L138 BoogieDeclarations]: Found implementation of procedure gp8psk_fe_send_diseqc_msg [2022-10-15 21:17:56,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-15 21:17:56,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-15 21:17:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-15 21:17:56,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:17:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:17:57,171 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:17:57,175 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:17:57,708 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-15 21:18:19,792 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:18:19,824 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:18:19,824 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 21:18:19,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:18:19 BoogieIcfgContainer [2022-10-15 21:18:19,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:18:19,837 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:18:19,837 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:18:19,843 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:18:19,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:17:52" (1/3) ... [2022-10-15 21:18:19,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@102e9b60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:18:19, skipping insertion in model container [2022-10-15 21:18:19,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:17:55" (2/3) ... [2022-10-15 21:18:19,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@102e9b60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:18:19, skipping insertion in model container [2022-10-15 21:18:19,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:18:19" (3/3) ... [2022-10-15 21:18:19,849 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--media--usb--dvb-usb--dvb-usb-gp8psk.ko-entry_point.cil.out.i [2022-10-15 21:18:19,889 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:18:19,889 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-10-15 21:18:20,046 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:18:20,057 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;@50afc18d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:18:20,058 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2022-10-15 21:18:20,071 INFO L276 IsEmpty]: Start isEmpty. Operand has 559 states, 411 states have (on average 1.4744525547445255) internal successors, (606), 446 states have internal predecessors, (606), 91 states have call successors, (91), 29 states have call predecessors, (91), 28 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2022-10-15 21:18:20,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-15 21:18:20,088 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:18:20,089 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:18:20,090 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [gp8psk_usb_in_opErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, gp8psk_usb_in_opErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, gp8psk_usb_in_opErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:18:20,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:18:20,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1690357830, now seen corresponding path program 1 times [2022-10-15 21:18:20,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:18:20,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983873086] [2022-10-15 21:18:20,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:18:20,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:18:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:18:21,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:18:21,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:18:21,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:18:21,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:18:21,534 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-15 21:18:21,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:18:21,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983873086] [2022-10-15 21:18:21,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983873086] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:18:21,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:18:21,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:18:21,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054432575] [2022-10-15 21:18:21,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:18:21,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:18:21,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:18:21,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:18:21,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:18:21,592 INFO L87 Difference]: Start difference. First operand has 559 states, 411 states have (on average 1.4744525547445255) internal successors, (606), 446 states have internal predecessors, (606), 91 states have call successors, (91), 29 states have call predecessors, (91), 28 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-15 21:18:23,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:18:27,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:18:27,320 INFO L93 Difference]: Finished difference Result 1627 states and 2377 transitions. [2022-10-15 21:18:27,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:18:27,323 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2022-10-15 21:18:27,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:18:27,356 INFO L225 Difference]: With dead ends: 1627 [2022-10-15 21:18:27,356 INFO L226 Difference]: Without dead ends: 1042 [2022-10-15 21:18:27,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:18:27,383 INFO L413 NwaCegarLoop]: 799 mSDtfsCounter, 894 mSDsluCounter, 938 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 237 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 956 SdHoareTripleChecker+Valid, 1737 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:18:27,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [956 Valid, 1737 Invalid, 704 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [237 Valid, 466 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2022-10-15 21:18:27,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2022-10-15 21:18:27,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 1007. [2022-10-15 21:18:27,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1007 states, 771 states have (on average 1.4280155642023347) internal successors, (1101), 788 states have internal predecessors, (1101), 166 states have call successors, (166), 54 states have call predecessors, (166), 54 states have return successors, (166), 166 states have call predecessors, (166), 166 states have call successors, (166) [2022-10-15 21:18:27,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 1007 states and 1433 transitions. [2022-10-15 21:18:27,596 INFO L78 Accepts]: Start accepts. Automaton has 1007 states and 1433 transitions. Word has length 26 [2022-10-15 21:18:27,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:18:27,596 INFO L495 AbstractCegarLoop]: Abstraction has 1007 states and 1433 transitions. [2022-10-15 21:18:27,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-15 21:18:27,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1433 transitions. [2022-10-15 21:18:27,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-15 21:18:27,603 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:18:27,604 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:18:27,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:18:27,604 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [gp8psk_usb_in_opErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, gp8psk_usb_in_opErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, gp8psk_usb_in_opErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:18:27,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:18:27,605 INFO L85 PathProgramCache]: Analyzing trace with hash 244151849, now seen corresponding path program 1 times [2022-10-15 21:18:27,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:18:27,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265029588] [2022-10-15 21:18:27,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:18:27,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:18:27,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:18:28,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:18:28,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:18:28,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:18:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:18:28,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 21:18:28,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:18:28,395 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-15 21:18:28,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:18:28,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265029588] [2022-10-15 21:18:28,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265029588] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:18:28,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:18:28,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:18:28,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098059415] [2022-10-15 21:18:28,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:18:28,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:18:28,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:18:28,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:18:28,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:18:28,406 INFO L87 Difference]: Start difference. First operand 1007 states and 1433 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-15 21:18:30,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:18:34,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:18:34,329 INFO L93 Difference]: Finished difference Result 2930 states and 4194 transitions. [2022-10-15 21:18:34,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:18:34,330 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 36 [2022-10-15 21:18:34,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:18:34,350 INFO L225 Difference]: With dead ends: 2930 [2022-10-15 21:18:34,351 INFO L226 Difference]: Without dead ends: 1930 [2022-10-15 21:18:34,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:18:34,362 INFO L413 NwaCegarLoop]: 1228 mSDtfsCounter, 720 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 146 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 772 SdHoareTripleChecker+Valid, 2355 SdHoareTripleChecker+Invalid, 699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-10-15 21:18:34,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [772 Valid, 2355 Invalid, 699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 552 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-10-15 21:18:34,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1930 states. [2022-10-15 21:18:34,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1930 to 1870. [2022-10-15 21:18:34,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1870 states, 1441 states have (on average 1.4302567661346288) internal successors, (2061), 1460 states have internal predecessors, (2061), 305 states have call successors, (305), 108 states have call predecessors, (305), 108 states have return successors, (305), 305 states have call predecessors, (305), 305 states have call successors, (305) [2022-10-15 21:18:34,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1870 states and 2671 transitions. [2022-10-15 21:18:34,556 INFO L78 Accepts]: Start accepts. Automaton has 1870 states and 2671 transitions. Word has length 36 [2022-10-15 21:18:34,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:18:34,557 INFO L495 AbstractCegarLoop]: Abstraction has 1870 states and 2671 transitions. [2022-10-15 21:18:34,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-15 21:18:34,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1870 states and 2671 transitions. [2022-10-15 21:18:34,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-15 21:18:34,567 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:18:34,567 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:18:34,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:18:34,568 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [gp8psk_usb_in_opErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, gp8psk_usb_in_opErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, gp8psk_usb_in_opErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:18:34,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:18:34,569 INFO L85 PathProgramCache]: Analyzing trace with hash 2117093455, now seen corresponding path program 1 times [2022-10-15 21:18:34,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:18:34,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043682098] [2022-10-15 21:18:34,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:18:34,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:18:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:18:35,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:18:35,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:18:35,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:18:35,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:18:35,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 21:18:35,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:18:35,418 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-15 21:18:35,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:18:35,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043682098] [2022-10-15 21:18:35,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043682098] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:18:35,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:18:35,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:18:35,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734106656] [2022-10-15 21:18:35,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:18:35,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:18:35,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:18:35,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:18:35,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:18:35,432 INFO L87 Difference]: Start difference. First operand 1870 states and 2671 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-15 21:18:37,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:18:39,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:18:41,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:18:41,999 INFO L93 Difference]: Finished difference Result 3778 states and 5431 transitions. [2022-10-15 21:18:42,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:18:42,000 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 45 [2022-10-15 21:18:42,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:18:42,018 INFO L225 Difference]: With dead ends: 3778 [2022-10-15 21:18:42,018 INFO L226 Difference]: Without dead ends: 1913 [2022-10-15 21:18:42,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:18:42,035 INFO L413 NwaCegarLoop]: 713 mSDtfsCounter, 123 mSDsluCounter, 903 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 82 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 1616 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:18:42,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 1616 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 392 Invalid, 2 Unknown, 0 Unchecked, 6.3s Time] [2022-10-15 21:18:42,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1913 states. [2022-10-15 21:18:42,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1913 to 1864. [2022-10-15 21:18:42,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1864 states, 1435 states have (on average 1.4306620209059233) internal successors, (2053), 1455 states have internal predecessors, (2053), 305 states have call successors, (305), 108 states have call predecessors, (305), 108 states have return successors, (305), 304 states have call predecessors, (305), 305 states have call successors, (305) [2022-10-15 21:18:42,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 1864 states and 2663 transitions. [2022-10-15 21:18:42,176 INFO L78 Accepts]: Start accepts. Automaton has 1864 states and 2663 transitions. Word has length 45 [2022-10-15 21:18:42,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:18:42,176 INFO L495 AbstractCegarLoop]: Abstraction has 1864 states and 2663 transitions. [2022-10-15 21:18:42,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-15 21:18:42,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1864 states and 2663 transitions. [2022-10-15 21:18:42,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-15 21:18:42,179 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:18:42,179 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:18:42,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:18:42,186 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [gp8psk_usb_in_opErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, gp8psk_usb_in_opErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, gp8psk_usb_in_opErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-15 21:18:42,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:18:42,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1792983333, now seen corresponding path program 1 times [2022-10-15 21:18:42,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:18:42,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670580959] [2022-10-15 21:18:42,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:18:42,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:18:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:18:42,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:18:42,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:18:42,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:18:42,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:18:42,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 21:18:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:18:42,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 21:18:42,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:18:43,016 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-15 21:18:43,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:18:43,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670580959] [2022-10-15 21:18:43,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670580959] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:18:43,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:18:43,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:18:43,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900273391] [2022-10-15 21:18:43,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:18:43,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:18:43,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:18:43,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:18:43,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:18:43,020 INFO L87 Difference]: Start difference. First operand 1864 states and 2663 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-15 21:18:45,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []