/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-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:00:23,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:00:23,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:00:23,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:00:23,128 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:00:23,130 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:00:23,132 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:00:23,134 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:00:23,136 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:00:23,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:00:23,138 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:00:23,140 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:00:23,141 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:00:23,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:00:23,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:00:23,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:00:23,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:00:23,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:00:23,162 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:00:23,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:00:23,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:00:23,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:00:23,174 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:00:23,175 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:00:23,183 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:00:23,184 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:00:23,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:00:23,189 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:00:23,189 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:00:23,192 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:00:23,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:00:23,193 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:00:23,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:00:23,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:00:23,197 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:00:23,197 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:00:23,201 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:00:23,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:00:23,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:00:23,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:00:23,204 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:00:23,205 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 21:00:23,259 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:00:23,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:00:23,260 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:00:23,260 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:00:23,262 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:00:23,263 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:00:23,265 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:00:23,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:00:23,266 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:00:23,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:00:23,267 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:00:23,267 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:00:23,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:00:23,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:00:23,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:00:23,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:00:23,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:00:23,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:00:23,268 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:00:23,269 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:00:23,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:00:23,269 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:00:23,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:00:23,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:00:23,270 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:00:23,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:00:23,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:00:23,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:00:23,270 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:00:23,271 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:00:23,271 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:00:23,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:00:23,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:00:23,272 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:00:23,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:00:23,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:00:23,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:00:23,727 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:00:23,728 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:00:23,730 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i [2022-10-15 21:00:23,805 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5a011c2b/d5cc6f51f2214e3bac6dd34a5073c6fb/FLAG3d734f3f3 [2022-10-15 21:00:24,665 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:00:24,666 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i [2022-10-15 21:00:24,684 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5a011c2b/d5cc6f51f2214e3bac6dd34a5073c6fb/FLAG3d734f3f3 [2022-10-15 21:00:24,845 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5a011c2b/d5cc6f51f2214e3bac6dd34a5073c6fb [2022-10-15 21:00:24,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:00:24,854 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:00:24,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:00:24,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:00:24,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:00:24,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:00:24" (1/1) ... [2022-10-15 21:00:24,862 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fd58072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:24, skipping insertion in model container [2022-10-15 21:00:24,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:00:24" (1/1) ... [2022-10-15 21:00:24,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:00:24,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:00:25,341 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-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i[36170,36183] [2022-10-15 21:00:25,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:00:25,383 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:00:25,524 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-commit-tester/m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i[36170,36183] [2022-10-15 21:00:25,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:00:25,584 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:00:25,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:25 WrapperNode [2022-10-15 21:00:25,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:00:25,586 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:00:25,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:00:25,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:00:25,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:25" (1/1) ... [2022-10-15 21:00:25,647 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:25" (1/1) ... [2022-10-15 21:00:25,734 INFO L138 Inliner]: procedures = 75, calls = 161, calls flagged for inlining = 33, calls inlined = 29, statements flattened = 489 [2022-10-15 21:00:25,734 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:00:25,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:00:25,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:00:25,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:00:25,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:25" (1/1) ... [2022-10-15 21:00:25,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:25" (1/1) ... [2022-10-15 21:00:25,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:25" (1/1) ... [2022-10-15 21:00:25,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:25" (1/1) ... [2022-10-15 21:00:25,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:25" (1/1) ... [2022-10-15 21:00:25,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:25" (1/1) ... [2022-10-15 21:00:25,862 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:25" (1/1) ... [2022-10-15 21:00:25,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:25" (1/1) ... [2022-10-15 21:00:25,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:00:25,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:00:25,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:00:25,873 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:00:25,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:25" (1/1) ... [2022-10-15 21:00:25,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:00:25,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:00:25,917 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 21:00:25,921 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 21:00:25,973 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_raw [2022-10-15 21:00:25,974 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_raw [2022-10-15 21:00:25,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:00:25,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:00:25,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:00:25,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:00:25,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:00:25,975 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-10-15 21:00:25,975 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-10-15 21:00:25,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-15 21:00:25,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-15 21:00:25,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:00:25,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:00:25,976 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_attr [2022-10-15 21:00:25,976 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_attr [2022-10-15 21:00:25,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:00:25,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:00:25,976 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-10-15 21:00:25,976 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-10-15 21:00:25,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_sysfs [2022-10-15 21:00:25,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_sysfs [2022-10-15 21:00:25,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2022-10-15 21:00:25,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2022-10-15 21:00:25,977 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2022-10-15 21:00:25,977 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2022-10-15 21:00:25,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:00:25,978 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_adc_release [2022-10-15 21:00:25,978 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_adc_release [2022-10-15 21:00:25,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:00:25,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-10-15 21:00:25,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-10-15 21:00:25,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:00:25,979 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-10-15 21:00:25,979 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-10-15 21:00:25,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:00:25,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:00:25,979 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-15 21:00:25,979 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-15 21:00:26,185 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:00:26,188 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:00:27,036 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:00:27,053 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:00:27,053 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 21:00:27,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:00:27 BoogieIcfgContainer [2022-10-15 21:00:27,058 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:00:27,061 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:00:27,061 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:00:27,066 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:00:27,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:00:24" (1/3) ... [2022-10-15 21:00:27,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22dcf6d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:00:27, skipping insertion in model container [2022-10-15 21:00:27,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:00:25" (2/3) ... [2022-10-15 21:00:27,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22dcf6d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:00:27, skipping insertion in model container [2022-10-15 21:00:27,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:00:27" (3/3) ... [2022-10-15 21:00:27,070 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-hwmon-s3c-hwmon-ko--130_7a--af3071a.i [2022-10-15 21:00:27,092 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:00:27,093 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2022-10-15 21:00:27,192 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:00:27,221 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;@7f22e072, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:00:27,222 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2022-10-15 21:00:27,231 INFO L276 IsEmpty]: Start isEmpty. Operand has 189 states, 132 states have (on average 1.3106060606060606) internal successors, (173), 147 states have internal predecessors, (173), 29 states have call successors, (29), 13 states have call predecessors, (29), 13 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2022-10-15 21:00:27,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-15 21:00:27,245 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:00:27,246 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:00:27,247 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_sysfsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_sysfsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 21:00:27,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:00:27,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1266253218, now seen corresponding path program 1 times [2022-10-15 21:00:27,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:00:27,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306642656] [2022-10-15 21:00:27,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:00:27,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:00:27,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:27,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:00:27,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:27,851 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 21:00:27,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:00:27,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306642656] [2022-10-15 21:00:27,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306642656] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:00:27,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:00:27,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:00:27,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831363408] [2022-10-15 21:00:27,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:00:27,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:00:27,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:00:27,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:00:27,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:00:27,917 INFO L87 Difference]: Start difference. First operand has 189 states, 132 states have (on average 1.3106060606060606) internal successors, (173), 147 states have internal predecessors, (173), 29 states have call successors, (29), 13 states have call predecessors, (29), 13 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:00:28,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:00:28,086 INFO L93 Difference]: Finished difference Result 376 states and 473 transitions. [2022-10-15 21:00:28,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:00:28,089 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2022-10-15 21:00:28,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:00:28,112 INFO L225 Difference]: With dead ends: 376 [2022-10-15 21:00:28,112 INFO L226 Difference]: Without dead ends: 185 [2022-10-15 21:00:28,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 21:00:28,128 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 90 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:00:28,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 327 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:00:28,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2022-10-15 21:00:28,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2022-10-15 21:00:28,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 132 states have (on average 1.2803030303030303) internal successors, (169), 144 states have internal predecessors, (169), 28 states have call successors, (28), 13 states have call predecessors, (28), 13 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2022-10-15 21:00:28,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 225 transitions. [2022-10-15 21:00:28,248 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 225 transitions. Word has length 21 [2022-10-15 21:00:28,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:00:28,253 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 225 transitions. [2022-10-15 21:00:28,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:00:28,254 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 225 transitions. [2022-10-15 21:00:28,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-15 21:00:28,260 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:00:28,260 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:00:28,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:00:28,261 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_sysfsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_sysfsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 21:00:28,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:00:28,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1457023255, now seen corresponding path program 1 times [2022-10-15 21:00:28,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:00:28,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375528361] [2022-10-15 21:00:28,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:00:28,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:00:28,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:28,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:00:28,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:28,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-15 21:00:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:28,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:00:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:28,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:28,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-15 21:00:28,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:28,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-15 21:00:28,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:28,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:28,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-15 21:00:28,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:28,620 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-15 21:00:28,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:00:28,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375528361] [2022-10-15 21:00:28,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375528361] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:00:28,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:00:28,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:00:28,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062461006] [2022-10-15 21:00:28,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:00:28,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:00:28,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:00:28,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:00:28,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:00:28,629 INFO L87 Difference]: Start difference. First operand 185 states and 225 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-15 21:00:28,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:00:28,931 INFO L93 Difference]: Finished difference Result 372 states and 454 transitions. [2022-10-15 21:00:28,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:00:28,932 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 63 [2022-10-15 21:00:28,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:00:28,937 INFO L225 Difference]: With dead ends: 372 [2022-10-15 21:00:28,937 INFO L226 Difference]: Without dead ends: 191 [2022-10-15 21:00:28,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:00:28,940 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 44 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:00:28,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 608 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:00:28,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2022-10-15 21:00:28,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 185. [2022-10-15 21:00:28,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 132 states have (on average 1.2727272727272727) internal successors, (168), 144 states have internal predecessors, (168), 28 states have call successors, (28), 13 states have call predecessors, (28), 13 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2022-10-15 21:00:28,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 224 transitions. [2022-10-15 21:00:28,964 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 224 transitions. Word has length 63 [2022-10-15 21:00:28,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:00:28,965 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 224 transitions. [2022-10-15 21:00:28,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-15 21:00:28,965 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 224 transitions. [2022-10-15 21:00:28,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-15 21:00:28,969 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:00:28,969 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:00:28,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:00:28,970 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_sysfsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_sysfsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 21:00:28,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:00:28,970 INFO L85 PathProgramCache]: Analyzing trace with hash -349936992, now seen corresponding path program 1 times [2022-10-15 21:00:28,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:00:28,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725675255] [2022-10-15 21:00:28,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:00:28,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:00:29,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:29,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:00:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:29,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-15 21:00:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:29,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-15 21:00:29,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:29,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 21:00:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:29,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:29,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-15 21:00:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:29,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:00:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:29,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:29,192 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-15 21:00:29,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:00:29,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725675255] [2022-10-15 21:00:29,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725675255] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:00:29,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:00:29,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:00:29,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724026927] [2022-10-15 21:00:29,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:00:29,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:00:29,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:00:29,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:00:29,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:00:29,197 INFO L87 Difference]: Start difference. First operand 185 states and 224 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-15 21:00:29,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:00:29,461 INFO L93 Difference]: Finished difference Result 396 states and 493 transitions. [2022-10-15 21:00:29,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:00:29,461 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 71 [2022-10-15 21:00:29,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:00:29,464 INFO L225 Difference]: With dead ends: 396 [2022-10-15 21:00:29,465 INFO L226 Difference]: Without dead ends: 219 [2022-10-15 21:00:29,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 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 21:00:29,467 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 66 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:00:29,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 439 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:00:29,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2022-10-15 21:00:29,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 213. [2022-10-15 21:00:29,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 155 states have (on average 1.2774193548387096) internal successors, (198), 167 states have internal predecessors, (198), 33 states have call successors, (33), 13 states have call predecessors, (33), 13 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2022-10-15 21:00:29,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 264 transitions. [2022-10-15 21:00:29,491 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 264 transitions. Word has length 71 [2022-10-15 21:00:29,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:00:29,492 INFO L495 AbstractCegarLoop]: Abstraction has 213 states and 264 transitions. [2022-10-15 21:00:29,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-15 21:00:29,492 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 264 transitions. [2022-10-15 21:00:29,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-15 21:00:29,495 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:00:29,495 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:00:29,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:00:29,496 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_sysfsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_sysfsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 21:00:29,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:00:29,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1032860271, now seen corresponding path program 1 times [2022-10-15 21:00:29,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:00:29,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278613326] [2022-10-15 21:00:29,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:00:29,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:00:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:29,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:00:29,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:29,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-15 21:00:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:29,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-15 21:00:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:29,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-15 21:00:29,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:29,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:29,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-15 21:00:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:29,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-15 21:00:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:29,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:29,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-15 21:00:29,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:29,691 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-15 21:00:29,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:00:29,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278613326] [2022-10-15 21:00:29,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278613326] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:00:29,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:00:29,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:00:29,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187129577] [2022-10-15 21:00:29,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:00:29,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:00:29,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:00:29,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:00:29,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:00:29,694 INFO L87 Difference]: Start difference. First operand 213 states and 264 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-15 21:00:29,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:00:29,932 INFO L93 Difference]: Finished difference Result 428 states and 532 transitions. [2022-10-15 21:00:29,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:00:29,933 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 73 [2022-10-15 21:00:29,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:00:29,935 INFO L225 Difference]: With dead ends: 428 [2022-10-15 21:00:29,935 INFO L226 Difference]: Without dead ends: 219 [2022-10-15 21:00:29,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:00:29,938 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 44 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:00:29,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 606 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:00:29,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2022-10-15 21:00:29,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 213. [2022-10-15 21:00:29,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 155 states have (on average 1.270967741935484) internal successors, (197), 167 states have internal predecessors, (197), 33 states have call successors, (33), 13 states have call predecessors, (33), 13 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2022-10-15 21:00:29,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 263 transitions. [2022-10-15 21:00:29,958 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 263 transitions. Word has length 73 [2022-10-15 21:00:29,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:00:29,959 INFO L495 AbstractCegarLoop]: Abstraction has 213 states and 263 transitions. [2022-10-15 21:00:29,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-15 21:00:29,959 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 263 transitions. [2022-10-15 21:00:29,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-15 21:00:29,961 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:00:29,961 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:00:29,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:00:29,961 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_sysfsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_sysfsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_sysfsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 21:00:29,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:00:29,962 INFO L85 PathProgramCache]: Analyzing trace with hash 654517734, now seen corresponding path program 1 times [2022-10-15 21:00:29,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:00:29,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103706992] [2022-10-15 21:00:29,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:00:29,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:00:30,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:30,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:00:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:30,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-15 21:00:30,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:30,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-15 21:00:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:30,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 21:00:30,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:30,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:30,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:30,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-15 21:00:30,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:30,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:00:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:30,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:30,286 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-15 21:00:30,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:00:30,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103706992] [2022-10-15 21:00:30,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103706992] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:00:30,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:00:30,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:00:30,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590731654] [2022-10-15 21:00:30,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:00:30,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:00:30,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:00:30,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:00:30,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:00:30,291 INFO L87 Difference]: Start difference. First operand 213 states and 263 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-15 21:00:30,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:00:30,572 INFO L93 Difference]: Finished difference Result 369 states and 456 transitions. [2022-10-15 21:00:30,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:00:30,572 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 75 [2022-10-15 21:00:30,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:00:30,576 INFO L225 Difference]: With dead ends: 369 [2022-10-15 21:00:30,576 INFO L226 Difference]: Without dead ends: 367 [2022-10-15 21:00:30,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:00:30,578 INFO L413 NwaCegarLoop]: 222 mSDtfsCounter, 165 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:00:30,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 475 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:00:30,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2022-10-15 21:00:30,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 351. [2022-10-15 21:00:30,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 260 states have (on average 1.2538461538461538) internal successors, (326), 274 states have internal predecessors, (326), 55 states have call successors, (55), 25 states have call predecessors, (55), 24 states have return successors, (55), 53 states have call predecessors, (55), 55 states have call successors, (55) [2022-10-15 21:00:30,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 436 transitions. [2022-10-15 21:00:30,609 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 436 transitions. Word has length 75 [2022-10-15 21:00:30,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:00:30,609 INFO L495 AbstractCegarLoop]: Abstraction has 351 states and 436 transitions. [2022-10-15 21:00:30,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-15 21:00:30,610 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 436 transitions. [2022-10-15 21:00:30,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-15 21:00:30,611 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:00:30,611 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:00:30,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 21:00:30,612 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_sysfsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_sysfsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 21:00:30,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:00:30,612 INFO L85 PathProgramCache]: Analyzing trace with hash -979903726, now seen corresponding path program 1 times [2022-10-15 21:00:30,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:00:30,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687220513] [2022-10-15 21:00:30,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:00:30,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:00:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:30,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:00:30,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:30,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-15 21:00:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:30,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-15 21:00:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:30,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 21:00:30,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:30,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:30,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-15 21:00:30,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:30,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:00:30,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:30,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:30,810 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-15 21:00:30,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:00:30,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687220513] [2022-10-15 21:00:30,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687220513] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:00:30,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437116564] [2022-10-15 21:00:30,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:00:30,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:00:30,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:00:30,814 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:00:30,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-15 21:00:30,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:31,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:00:31,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:00:31,122 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-15 21:00:31,126 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 21:00:31,227 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-15 21:00:31,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1437116564] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 21:00:31,228 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 21:00:31,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2022-10-15 21:00:31,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143406532] [2022-10-15 21:00:31,231 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 21:00:31,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 21:00:31,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:00:31,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 21:00:31,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:00:31,235 INFO L87 Difference]: Start difference. First operand 351 states and 436 transitions. Second operand has 8 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 1 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-15 21:00:31,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:00:31,734 INFO L93 Difference]: Finished difference Result 653 states and 877 transitions. [2022-10-15 21:00:31,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 21:00:31,735 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 1 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 76 [2022-10-15 21:00:31,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:00:31,740 INFO L225 Difference]: With dead ends: 653 [2022-10-15 21:00:31,740 INFO L226 Difference]: Without dead ends: 649 [2022-10-15 21:00:31,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:00:31,742 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 273 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 1075 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 21:00:31,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 1075 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 21:00:31,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2022-10-15 21:00:31,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 385. [2022-10-15 21:00:31,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 290 states have (on average 1.2620689655172415) internal successors, (366), 302 states have internal predecessors, (366), 62 states have call successors, (62), 25 states have call predecessors, (62), 24 states have return successors, (62), 59 states have call predecessors, (62), 62 states have call successors, (62) [2022-10-15 21:00:31,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 490 transitions. [2022-10-15 21:00:31,788 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 490 transitions. Word has length 76 [2022-10-15 21:00:31,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:00:31,789 INFO L495 AbstractCegarLoop]: Abstraction has 385 states and 490 transitions. [2022-10-15 21:00:31,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 1 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-15 21:00:31,790 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 490 transitions. [2022-10-15 21:00:31,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-15 21:00:31,791 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:00:31,791 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:00:31,855 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-15 21:00:32,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-10-15 21:00:32,005 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_sysfsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_sysfsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 21:00:32,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:00:32,007 INFO L85 PathProgramCache]: Analyzing trace with hash -312244183, now seen corresponding path program 1 times [2022-10-15 21:00:32,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:00:32,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652171944] [2022-10-15 21:00:32,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:00:32,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:00:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:32,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:00:32,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:32,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-15 21:00:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:32,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-15 21:00:32,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:32,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 21:00:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:32,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:32,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:32,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-15 21:00:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:32,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:00:32,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:32,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:32,205 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-15 21:00:32,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:00:32,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652171944] [2022-10-15 21:00:32,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652171944] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:00:32,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957072288] [2022-10-15 21:00:32,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:00:32,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:00:32,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:00:32,210 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:00:32,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-15 21:00:32,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:32,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:00:32,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:00:32,428 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-15 21:00:32,428 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:00:32,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [957072288] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:00:32,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:00:32,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-10-15 21:00:32,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432439942] [2022-10-15 21:00:32,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:00:32,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:00:32,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:00:32,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:00:32,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:00:32,431 INFO L87 Difference]: Start difference. First operand 385 states and 490 transitions. Second operand has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-15 21:00:32,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:00:32,518 INFO L93 Difference]: Finished difference Result 696 states and 903 transitions. [2022-10-15 21:00:32,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:00:32,519 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 77 [2022-10-15 21:00:32,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:00:32,523 INFO L225 Difference]: With dead ends: 696 [2022-10-15 21:00:32,523 INFO L226 Difference]: Without dead ends: 464 [2022-10-15 21:00:32,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:00:32,525 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 81 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:00:32,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 639 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:00:32,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2022-10-15 21:00:32,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 342. [2022-10-15 21:00:32,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 257 states have (on average 1.2256809338521402) internal successors, (315), 265 states have internal predecessors, (315), 55 states have call successors, (55), 25 states have call predecessors, (55), 24 states have return successors, (55), 53 states have call predecessors, (55), 55 states have call successors, (55) [2022-10-15 21:00:32,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 425 transitions. [2022-10-15 21:00:32,559 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 425 transitions. Word has length 77 [2022-10-15 21:00:32,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:00:32,560 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 425 transitions. [2022-10-15 21:00:32,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-15 21:00:32,560 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 425 transitions. [2022-10-15 21:00:32,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-15 21:00:32,561 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:00:32,562 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:00:32,601 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-15 21:00:32,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-10-15 21:00:32,776 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_sysfsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_sysfsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 21:00:32,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:00:32,777 INFO L85 PathProgramCache]: Analyzing trace with hash 2086581008, now seen corresponding path program 1 times [2022-10-15 21:00:32,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:00:32,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808738554] [2022-10-15 21:00:32,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:00:32,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:00:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:33,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:00:33,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:33,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-15 21:00:33,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:33,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-15 21:00:33,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:33,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 21:00:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:33,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:33,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:33,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-15 21:00:33,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:33,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:00:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:33,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:33,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:33,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-15 21:00:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:33,197 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-15 21:00:33,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:00:33,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808738554] [2022-10-15 21:00:33,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808738554] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:00:33,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:00:33,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:00:33,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115113028] [2022-10-15 21:00:33,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:00:33,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:00:33,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:00:33,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:00:33,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:00:33,201 INFO L87 Difference]: Start difference. First operand 342 states and 425 transitions. Second operand has 5 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-15 21:00:33,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:00:33,638 INFO L93 Difference]: Finished difference Result 557 states and 702 transitions. [2022-10-15 21:00:33,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:00:33,639 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 83 [2022-10-15 21:00:33,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:00:33,644 INFO L225 Difference]: With dead ends: 557 [2022-10-15 21:00:33,644 INFO L226 Difference]: Without dead ends: 555 [2022-10-15 21:00:33,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-15 21:00:33,645 INFO L413 NwaCegarLoop]: 222 mSDtfsCounter, 293 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:00:33,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 555 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 21:00:33,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2022-10-15 21:00:33,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 533. [2022-10-15 21:00:33,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 403 states have (on average 1.228287841191067) internal successors, (495), 412 states have internal predecessors, (495), 87 states have call successors, (87), 38 states have call predecessors, (87), 37 states have return successors, (91), 85 states have call predecessors, (91), 87 states have call successors, (91) [2022-10-15 21:00:33,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 673 transitions. [2022-10-15 21:00:33,698 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 673 transitions. Word has length 83 [2022-10-15 21:00:33,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:00:33,699 INFO L495 AbstractCegarLoop]: Abstraction has 533 states and 673 transitions. [2022-10-15 21:00:33,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-15 21:00:33,699 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 673 transitions. [2022-10-15 21:00:33,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-15 21:00:33,701 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:00:33,701 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:00:33,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 21:00:33,702 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_sysfsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_sysfsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_sysfsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 21:00:33,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:00:33,702 INFO L85 PathProgramCache]: Analyzing trace with hash -902368422, now seen corresponding path program 1 times [2022-10-15 21:00:33,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:00:33,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334283710] [2022-10-15 21:00:33,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:00:33,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:00:33,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:33,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:00:33,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:33,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-15 21:00:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:33,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-15 21:00:33,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:33,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 21:00:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:33,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:33,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-15 21:00:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:33,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:00:33,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:33,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:33,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:33,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-15 21:00:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:33,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-10-15 21:00:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:33,990 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-15 21:00:33,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:00:33,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334283710] [2022-10-15 21:00:33,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334283710] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:00:33,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:00:33,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-15 21:00:33,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271104391] [2022-10-15 21:00:33,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:00:33,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 21:00:33,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:00:33,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 21:00:33,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:00:33,994 INFO L87 Difference]: Start difference. First operand 533 states and 673 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-15 21:00:34,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:00:34,628 INFO L93 Difference]: Finished difference Result 758 states and 958 transitions. [2022-10-15 21:00:34,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-15 21:00:34,629 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 91 [2022-10-15 21:00:34,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:00:34,632 INFO L225 Difference]: With dead ends: 758 [2022-10-15 21:00:34,633 INFO L226 Difference]: Without dead ends: 369 [2022-10-15 21:00:34,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2022-10-15 21:00:34,636 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 332 mSDsluCounter, 631 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 822 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 21:00:34,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 822 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 21:00:34,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2022-10-15 21:00:34,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 355. [2022-10-15 21:00:34,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 266 states have (on average 1.218045112781955) internal successors, (324), 275 states have internal predecessors, (324), 57 states have call successors, (57), 26 states have call predecessors, (57), 26 states have return successors, (61), 55 states have call predecessors, (61), 57 states have call successors, (61) [2022-10-15 21:00:34,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 442 transitions. [2022-10-15 21:00:34,679 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 442 transitions. Word has length 91 [2022-10-15 21:00:34,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:00:34,680 INFO L495 AbstractCegarLoop]: Abstraction has 355 states and 442 transitions. [2022-10-15 21:00:34,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-15 21:00:34,680 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 442 transitions. [2022-10-15 21:00:34,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-15 21:00:34,682 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:00:34,682 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:00:34,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 21:00:34,682 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_sysfsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_sysfsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_sysfsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 21:00:34,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:00:34,683 INFO L85 PathProgramCache]: Analyzing trace with hash 212805271, now seen corresponding path program 1 times [2022-10-15 21:00:34,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:00:34,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522106280] [2022-10-15 21:00:34,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:00:34,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:00:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:35,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:00:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:35,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-15 21:00:35,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:35,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-15 21:00:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:35,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 21:00:35,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:35,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:35,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:35,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-15 21:00:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:35,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:00:35,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:35,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:35,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:35,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-15 21:00:35,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:35,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-10-15 21:00:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:35,148 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-15 21:00:35,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:00:35,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522106280] [2022-10-15 21:00:35,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522106280] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:00:35,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131212101] [2022-10-15 21:00:35,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:00:35,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:00:35,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:00:35,151 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:00:35,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-15 21:00:35,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:35,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 809 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-15 21:00:35,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:00:35,546 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-15 21:00:35,546 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 21:00:35,747 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-15 21:00:35,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [131212101] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 21:00:35,748 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 21:00:35,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 5] total 13 [2022-10-15 21:00:35,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902926099] [2022-10-15 21:00:35,748 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 21:00:35,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-15 21:00:35,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:00:35,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-15 21:00:35,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2022-10-15 21:00:35,750 INFO L87 Difference]: Start difference. First operand 355 states and 442 transitions. Second operand has 14 states, 13 states have (on average 12.692307692307692) internal successors, (165), 12 states have internal predecessors, (165), 6 states have call successors, (28), 9 states have call predecessors, (28), 5 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2022-10-15 21:00:37,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:00:37,596 INFO L93 Difference]: Finished difference Result 955 states and 1204 transitions. [2022-10-15 21:00:37,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-10-15 21:00:37,597 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 12.692307692307692) internal successors, (165), 12 states have internal predecessors, (165), 6 states have call successors, (28), 9 states have call predecessors, (28), 5 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) Word has length 94 [2022-10-15 21:00:37,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:00:37,604 INFO L225 Difference]: With dead ends: 955 [2022-10-15 21:00:37,605 INFO L226 Difference]: Without dead ends: 954 [2022-10-15 21:00:37,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 207 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=335, Invalid=721, Unknown=0, NotChecked=0, Total=1056 [2022-10-15 21:00:37,608 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 1544 mSDsluCounter, 1062 mSDsCounter, 0 mSdLazyCounter, 1118 mSolverCounterSat, 663 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1618 SdHoareTripleChecker+Valid, 1252 SdHoareTripleChecker+Invalid, 1781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 663 IncrementalHoareTripleChecker+Valid, 1118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-15 21:00:37,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1618 Valid, 1252 Invalid, 1781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [663 Valid, 1118 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-15 21:00:37,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2022-10-15 21:00:37,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 903. [2022-10-15 21:00:37,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 903 states, 687 states have (on average 1.2285298398835516) internal successors, (844), 700 states have internal predecessors, (844), 147 states have call successors, (147), 64 states have call predecessors, (147), 63 states have return successors, (147), 143 states have call predecessors, (147), 147 states have call successors, (147) [2022-10-15 21:00:37,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 1138 transitions. [2022-10-15 21:00:37,699 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 1138 transitions. Word has length 94 [2022-10-15 21:00:37,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:00:37,700 INFO L495 AbstractCegarLoop]: Abstraction has 903 states and 1138 transitions. [2022-10-15 21:00:37,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 12.692307692307692) internal successors, (165), 12 states have internal predecessors, (165), 6 states have call successors, (28), 9 states have call predecessors, (28), 5 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2022-10-15 21:00:37,701 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1138 transitions. [2022-10-15 21:00:37,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-15 21:00:37,702 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:00:37,702 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:00:37,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-15 21:00:37,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:00:37,917 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_sysfsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_sysfsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_sysfsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 21:00:37,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:00:37,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1992971150, now seen corresponding path program 1 times [2022-10-15 21:00:37,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:00:37,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173809229] [2022-10-15 21:00:37,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:00:37,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:00:37,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:38,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:00:38,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:38,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-15 21:00:38,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:38,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-15 21:00:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:38,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 21:00:38,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:38,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:38,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:38,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-15 21:00:38,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:38,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:00:38,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:38,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:38,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:38,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-15 21:00:38,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:38,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-10-15 21:00:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:38,441 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-15 21:00:38,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:00:38,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173809229] [2022-10-15 21:00:38,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173809229] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:00:38,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [979172941] [2022-10-15 21:00:38,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:00:38,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:00:38,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:00:38,446 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:00:38,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-15 21:00:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:38,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 810 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-15 21:00:38,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:00:38,808 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-15 21:00:38,808 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 21:00:39,023 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-15 21:00:39,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [979172941] provided 1 perfect and 1 imperfect interpolant sequences [2022-10-15 21:00:39,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-10-15 21:00:39,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 4] total 13 [2022-10-15 21:00:39,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329492282] [2022-10-15 21:00:39,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:00:39,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:00:39,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:00:39,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:00:39,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2022-10-15 21:00:39,026 INFO L87 Difference]: Start difference. First operand 903 states and 1138 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-10-15 21:00:39,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:00:39,219 INFO L93 Difference]: Finished difference Result 903 states and 1138 transitions. [2022-10-15 21:00:39,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:00:39,219 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 95 [2022-10-15 21:00:39,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:00:39,226 INFO L225 Difference]: With dead ends: 903 [2022-10-15 21:00:39,226 INFO L226 Difference]: Without dead ends: 902 [2022-10-15 21:00:39,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 199 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2022-10-15 21:00:39,229 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 448 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:00:39,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 200 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:00:39,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2022-10-15 21:00:39,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 902. [2022-10-15 21:00:39,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 902 states, 687 states have (on average 1.2241630276564774) internal successors, (841), 699 states have internal predecessors, (841), 147 states have call successors, (147), 64 states have call predecessors, (147), 63 states have return successors, (147), 143 states have call predecessors, (147), 147 states have call successors, (147) [2022-10-15 21:00:39,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1135 transitions. [2022-10-15 21:00:39,351 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1135 transitions. Word has length 95 [2022-10-15 21:00:39,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:00:39,351 INFO L495 AbstractCegarLoop]: Abstraction has 902 states and 1135 transitions. [2022-10-15 21:00:39,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-10-15 21:00:39,352 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1135 transitions. [2022-10-15 21:00:39,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-15 21:00:39,357 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:00:39,358 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:00:39,402 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-15 21:00:39,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:00:39,574 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_sysfsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_sysfsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 21:00:39,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:00:39,574 INFO L85 PathProgramCache]: Analyzing trace with hash -2131365945, now seen corresponding path program 1 times [2022-10-15 21:00:39,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:00:39,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699423838] [2022-10-15 21:00:39,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:00:39,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:00:39,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:39,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:00:39,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:39,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-15 21:00:39,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:39,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-15 21:00:39,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:39,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 21:00:39,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:39,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:39,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:39,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-15 21:00:39,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:39,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:00:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:39,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:39,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-15 21:00:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:39,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-10-15 21:00:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:39,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-15 21:00:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:39,814 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-15 21:00:39,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:00:39,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699423838] [2022-10-15 21:00:39,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699423838] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:00:39,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1358772186] [2022-10-15 21:00:39,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:00:39,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:00:39,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:00:39,816 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:00:39,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-15 21:00:40,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:40,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 879 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-15 21:00:40,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:00:40,201 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-15 21:00:40,201 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 21:00:40,427 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-15 21:00:40,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1358772186] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 21:00:40,427 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 21:00:40,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 5] total 14 [2022-10-15 21:00:40,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311176336] [2022-10-15 21:00:40,428 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 21:00:40,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-15 21:00:40,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:00:40,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-15 21:00:40,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2022-10-15 21:00:40,430 INFO L87 Difference]: Start difference. First operand 902 states and 1135 transitions. Second operand has 14 states, 14 states have (on average 13.428571428571429) internal successors, (188), 11 states have internal predecessors, (188), 6 states have call successors, (32), 10 states have call predecessors, (32), 6 states have return successors, (29), 6 states have call predecessors, (29), 6 states have call successors, (29) [2022-10-15 21:00:41,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:00:41,295 INFO L93 Difference]: Finished difference Result 1491 states and 1896 transitions. [2022-10-15 21:00:41,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-15 21:00:41,296 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 13.428571428571429) internal successors, (188), 11 states have internal predecessors, (188), 6 states have call successors, (32), 10 states have call predecessors, (32), 6 states have return successors, (29), 6 states have call predecessors, (29), 6 states have call successors, (29) Word has length 102 [2022-10-15 21:00:41,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:00:41,303 INFO L225 Difference]: With dead ends: 1491 [2022-10-15 21:00:41,303 INFO L226 Difference]: Without dead ends: 923 [2022-10-15 21:00:41,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 221 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=149, Invalid=313, Unknown=0, NotChecked=0, Total=462 [2022-10-15 21:00:41,306 INFO L413 NwaCegarLoop]: 293 mSDtfsCounter, 1263 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 676 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1274 SdHoareTripleChecker+Valid, 1007 SdHoareTripleChecker+Invalid, 1058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 676 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 21:00:41,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1274 Valid, 1007 Invalid, 1058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [676 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 21:00:41,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2022-10-15 21:00:41,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 891. [2022-10-15 21:00:41,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 891 states, 678 states have (on average 1.2138643067846608) internal successors, (823), 688 states have internal predecessors, (823), 147 states have call successors, (147), 64 states have call predecessors, (147), 63 states have return successors, (147), 143 states have call predecessors, (147), 147 states have call successors, (147) [2022-10-15 21:00:41,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 891 states and 1117 transitions. [2022-10-15 21:00:41,413 INFO L78 Accepts]: Start accepts. Automaton has 891 states and 1117 transitions. Word has length 102 [2022-10-15 21:00:41,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:00:41,413 INFO L495 AbstractCegarLoop]: Abstraction has 891 states and 1117 transitions. [2022-10-15 21:00:41,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 13.428571428571429) internal successors, (188), 11 states have internal predecessors, (188), 6 states have call successors, (32), 10 states have call predecessors, (32), 6 states have return successors, (29), 6 states have call predecessors, (29), 6 states have call successors, (29) [2022-10-15 21:00:41,414 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1117 transitions. [2022-10-15 21:00:41,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-15 21:00:41,415 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:00:41,416 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:00:41,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-15 21:00:41,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-10-15 21:00:41,630 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_sysfsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_sysfsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 21:00:41,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:00:41,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1334732724, now seen corresponding path program 1 times [2022-10-15 21:00:41,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:00:41,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536620291] [2022-10-15 21:00:41,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:00:41,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:00:41,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:41,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:00:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:41,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-15 21:00:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:41,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-15 21:00:41,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:41,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 21:00:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:41,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:41,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:41,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-15 21:00:41,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:41,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-15 21:00:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:41,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-15 21:00:41,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:41,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:41,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-15 21:00:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:41,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-15 21:00:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:41,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:41,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-15 21:00:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:41,805 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-15 21:00:41,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:00:41,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536620291] [2022-10-15 21:00:41,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536620291] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:00:41,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:00:41,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:00:41,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707432972] [2022-10-15 21:00:41,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:00:41,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:00:41,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:00:41,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:00:41,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:00:41,807 INFO L87 Difference]: Start difference. First operand 891 states and 1117 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-10-15 21:00:42,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:00:42,068 INFO L93 Difference]: Finished difference Result 1824 states and 2310 transitions. [2022-10-15 21:00:42,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:00:42,069 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 102 [2022-10-15 21:00:42,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:00:42,112 INFO L225 Difference]: With dead ends: 1824 [2022-10-15 21:00:42,113 INFO L226 Difference]: Without dead ends: 941 [2022-10-15 21:00:42,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 26 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 21:00:42,116 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 39 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:00:42,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 432 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:00:42,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2022-10-15 21:00:42,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 911. [2022-10-15 21:00:42,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 911 states, 693 states have (on average 1.2092352092352092) internal successors, (838), 703 states have internal predecessors, (838), 152 states have call successors, (152), 64 states have call predecessors, (152), 63 states have return successors, (152), 148 states have call predecessors, (152), 152 states have call successors, (152) [2022-10-15 21:00:42,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1142 transitions. [2022-10-15 21:00:42,227 INFO L78 Accepts]: Start accepts. Automaton has 911 states and 1142 transitions. Word has length 102 [2022-10-15 21:00:42,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:00:42,228 INFO L495 AbstractCegarLoop]: Abstraction has 911 states and 1142 transitions. [2022-10-15 21:00:42,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-10-15 21:00:42,228 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1142 transitions. [2022-10-15 21:00:42,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-15 21:00:42,230 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:00:42,230 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:00:42,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 21:00:42,231 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_sysfsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_sysfsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 21:00:42,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:00:42,231 INFO L85 PathProgramCache]: Analyzing trace with hash 722639525, now seen corresponding path program 1 times [2022-10-15 21:00:42,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:00:42,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855960098] [2022-10-15 21:00:42,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:00:42,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:00:42,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:42,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:00:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:42,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-15 21:00:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:42,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-15 21:00:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:42,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 21:00:42,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:42,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:42,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-15 21:00:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:42,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-15 21:00:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:42,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-15 21:00:42,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:42,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:42,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-15 21:00:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:42,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-15 21:00:42,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:42,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:42,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-15 21:00:42,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:42,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-15 21:00:42,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:42,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:42,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-15 21:00:42,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:42,465 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-10-15 21:00:42,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:00:42,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855960098] [2022-10-15 21:00:42,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855960098] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:00:42,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1050006499] [2022-10-15 21:00:42,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:00:42,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:00:42,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:00:42,468 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:00:42,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-15 21:00:42,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:42,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 825 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:00:42,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:00:42,705 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-10-15 21:00:42,706 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 21:00:42,771 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-10-15 21:00:42,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1050006499] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 21:00:42,771 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 21:00:42,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2022-10-15 21:00:42,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158231094] [2022-10-15 21:00:42,772 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 21:00:42,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 21:00:42,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:00:42,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 21:00:42,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:00:42,774 INFO L87 Difference]: Start difference. First operand 911 states and 1142 transitions. Second operand has 8 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 6 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) [2022-10-15 21:00:43,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:00:43,480 INFO L93 Difference]: Finished difference Result 2630 states and 3614 transitions. [2022-10-15 21:00:43,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 21:00:43,481 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 6 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) Word has length 117 [2022-10-15 21:00:43,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:00:43,500 INFO L225 Difference]: With dead ends: 2630 [2022-10-15 21:00:43,500 INFO L226 Difference]: Without dead ends: 2629 [2022-10-15 21:00:43,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:00:43,503 INFO L413 NwaCegarLoop]: 351 mSDtfsCounter, 488 mSDsluCounter, 742 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 1093 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:00:43,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 1093 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 21:00:43,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2629 states. [2022-10-15 21:00:43,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2629 to 910. [2022-10-15 21:00:43,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 910 states, 693 states have (on average 1.202020202020202) internal successors, (833), 702 states have internal predecessors, (833), 152 states have call successors, (152), 64 states have call predecessors, (152), 63 states have return successors, (152), 148 states have call predecessors, (152), 152 states have call successors, (152) [2022-10-15 21:00:43,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 1137 transitions. [2022-10-15 21:00:43,676 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 1137 transitions. Word has length 117 [2022-10-15 21:00:43,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:00:43,676 INFO L495 AbstractCegarLoop]: Abstraction has 910 states and 1137 transitions. [2022-10-15 21:00:43,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 6 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) [2022-10-15 21:00:43,677 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1137 transitions. [2022-10-15 21:00:43,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-15 21:00:43,679 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:00:43,680 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:00:43,718 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-15 21:00:43,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:00:43,894 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_sysfsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_sysfsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 21:00:43,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:00:43,895 INFO L85 PathProgramCache]: Analyzing trace with hash 926989104, now seen corresponding path program 1 times [2022-10-15 21:00:43,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:00:43,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799151691] [2022-10-15 21:00:43,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:00:43,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:00:43,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:44,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:00:44,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:44,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-15 21:00:44,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:44,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-15 21:00:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:44,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 21:00:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:44,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:44,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-15 21:00:44,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:44,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-15 21:00:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:44,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-15 21:00:44,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:44,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:44,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-15 21:00:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:44,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-15 21:00:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:44,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:44,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:44,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-15 21:00:44,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:44,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-10-15 21:00:44,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:44,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:44,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:44,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-15 21:00:44,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:44,108 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-10-15 21:00:44,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:00:44,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799151691] [2022-10-15 21:00:44,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799151691] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:00:44,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1502399402] [2022-10-15 21:00:44,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:00:44,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:00:44,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:00:44,111 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:00:44,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-15 21:00:44,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:44,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:00:44,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:00:44,373 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-10-15 21:00:44,373 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:00:44,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1502399402] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:00:44,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:00:44,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-10-15 21:00:44,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507927190] [2022-10-15 21:00:44,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:00:44,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:00:44,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:00:44,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:00:44,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:00:44,376 INFO L87 Difference]: Start difference. First operand 910 states and 1137 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-10-15 21:00:44,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:00:44,565 INFO L93 Difference]: Finished difference Result 1424 states and 1859 transitions. [2022-10-15 21:00:44,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:00:44,565 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 118 [2022-10-15 21:00:44,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:00:44,576 INFO L225 Difference]: With dead ends: 1424 [2022-10-15 21:00:44,576 INFO L226 Difference]: Without dead ends: 1423 [2022-10-15 21:00:44,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:00:44,580 INFO L413 NwaCegarLoop]: 318 mSDtfsCounter, 89 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 726 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:00:44,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 726 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:00:44,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1423 states. [2022-10-15 21:00:44,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1423 to 894. [2022-10-15 21:00:44,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 894 states, 683 states have (on average 1.197657393850659) internal successors, (818), 691 states have internal predecessors, (818), 147 states have call successors, (147), 64 states have call predecessors, (147), 63 states have return successors, (147), 143 states have call predecessors, (147), 147 states have call successors, (147) [2022-10-15 21:00:44,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1112 transitions. [2022-10-15 21:00:44,722 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1112 transitions. Word has length 118 [2022-10-15 21:00:44,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:00:44,722 INFO L495 AbstractCegarLoop]: Abstraction has 894 states and 1112 transitions. [2022-10-15 21:00:44,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-10-15 21:00:44,725 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1112 transitions. [2022-10-15 21:00:44,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-10-15 21:00:44,728 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:00:44,728 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:00:44,770 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-15 21:00:44,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:00:44,944 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_sysfsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_sysfsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_sysfsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 21:00:44,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:00:44,945 INFO L85 PathProgramCache]: Analyzing trace with hash -742288956, now seen corresponding path program 1 times [2022-10-15 21:00:44,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:00:44,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702208683] [2022-10-15 21:00:44,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:00:44,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:00:45,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:45,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:00:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:45,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-15 21:00:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:45,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-15 21:00:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:45,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 21:00:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:45,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:45,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:45,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-15 21:00:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:45,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:00:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:45,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:45,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:45,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-15 21:00:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:45,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-10-15 21:00:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:45,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-10-15 21:00:45,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:45,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-10-15 21:00:45,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:45,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-15 21:00:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:45,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-10-15 21:00:45,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:45,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-15 21:00:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:45,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-10-15 21:00:45,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:45,417 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 28 proven. 6 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-10-15 21:00:45,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:00:45,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702208683] [2022-10-15 21:00:45,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702208683] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:00:45,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1734861868] [2022-10-15 21:00:45,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:00:45,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:00:45,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:00:45,419 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:00:45,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-15 21:00:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:45,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 1244 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-15 21:00:45,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:00:45,822 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-10-15 21:00:45,823 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:00:45,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1734861868] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:00:45,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:00:45,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2022-10-15 21:00:45,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666171874] [2022-10-15 21:00:45,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:00:45,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:00:45,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:00:45,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:00:45,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-10-15 21:00:45,827 INFO L87 Difference]: Start difference. First operand 894 states and 1112 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2022-10-15 21:00:46,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:00:46,115 INFO L93 Difference]: Finished difference Result 1921 states and 2430 transitions. [2022-10-15 21:00:46,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 21:00:46,116 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 161 [2022-10-15 21:00:46,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:00:46,128 INFO L225 Difference]: With dead ends: 1921 [2022-10-15 21:00:46,128 INFO L226 Difference]: Without dead ends: 1212 [2022-10-15 21:00:46,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-10-15 21:00:46,132 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 257 mSDsluCounter, 1106 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 1425 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:00:46,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 1425 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:00:46,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states. [2022-10-15 21:00:46,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 894. [2022-10-15 21:00:46,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 894 states, 683 states have (on average 1.1859443631039532) internal successors, (810), 691 states have internal predecessors, (810), 147 states have call successors, (147), 64 states have call predecessors, (147), 63 states have return successors, (147), 143 states have call predecessors, (147), 147 states have call successors, (147) [2022-10-15 21:00:46,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1104 transitions. [2022-10-15 21:00:46,320 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1104 transitions. Word has length 161 [2022-10-15 21:00:46,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:00:46,323 INFO L495 AbstractCegarLoop]: Abstraction has 894 states and 1104 transitions. [2022-10-15 21:00:46,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2022-10-15 21:00:46,323 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1104 transitions. [2022-10-15 21:00:46,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-10-15 21:00:46,328 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:00:46,328 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:00:46,378 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-15 21:00:46,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-10-15 21:00:46,544 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_sysfsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_sysfsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_sysfsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 21:00:46,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:00:46,545 INFO L85 PathProgramCache]: Analyzing trace with hash -138641617, now seen corresponding path program 1 times [2022-10-15 21:00:46,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:00:46,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899509804] [2022-10-15 21:00:46,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:00:46,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:00:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:47,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:00:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:47,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-15 21:00:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:47,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-15 21:00:47,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:47,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 21:00:47,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:47,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:47,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-15 21:00:47,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:47,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:00:47,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:47,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:47,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-15 21:00:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:47,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-10-15 21:00:47,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:47,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-15 21:00:47,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:47,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-15 21:00:47,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:47,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-10-15 21:00:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:47,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-15 21:00:47,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:47,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-10-15 21:00:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:47,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-15 21:00:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:47,564 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-10-15 21:00:47,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:00:47,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899509804] [2022-10-15 21:00:47,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899509804] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:00:47,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067085518] [2022-10-15 21:00:47,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:00:47,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:00:47,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:00:47,567 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:00:47,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-10-15 21:00:47,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:47,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 1244 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-15 21:00:47,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:00:48,185 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-10-15 21:00:48,186 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 21:00:48,663 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-10-15 21:00:48,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2067085518] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 21:00:48,663 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 21:00:48,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 14] total 25 [2022-10-15 21:00:48,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789454004] [2022-10-15 21:00:48,664 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 21:00:48,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-10-15 21:00:48,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:00:48,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-10-15 21:00:48,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=444, Unknown=0, NotChecked=0, Total=650 [2022-10-15 21:00:48,667 INFO L87 Difference]: Start difference. First operand 894 states and 1104 transitions. Second operand has 26 states, 25 states have (on average 10.28) internal successors, (257), 24 states have internal predecessors, (257), 12 states have call successors, (46), 15 states have call predecessors, (46), 11 states have return successors, (41), 12 states have call predecessors, (41), 12 states have call successors, (41) [2022-10-15 21:00:53,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:00:53,069 INFO L93 Difference]: Finished difference Result 2101 states and 2625 transitions. [2022-10-15 21:00:53,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-10-15 21:00:53,070 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 10.28) internal successors, (257), 24 states have internal predecessors, (257), 12 states have call successors, (46), 15 states have call predecessors, (46), 11 states have return successors, (41), 12 states have call predecessors, (41), 12 states have call successors, (41) Word has length 162 [2022-10-15 21:00:53,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:00:53,085 INFO L225 Difference]: With dead ends: 2101 [2022-10-15 21:00:53,085 INFO L226 Difference]: Without dead ends: 2100 [2022-10-15 21:00:53,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 361 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 793 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1109, Invalid=2313, Unknown=0, NotChecked=0, Total=3422 [2022-10-15 21:00:53,089 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 3980 mSDsluCounter, 1954 mSDsCounter, 0 mSdLazyCounter, 2956 mSolverCounterSat, 1770 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4189 SdHoareTripleChecker+Valid, 2143 SdHoareTripleChecker+Invalid, 4726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1770 IncrementalHoareTripleChecker+Valid, 2956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:00:53,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4189 Valid, 2143 Invalid, 4726 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1770 Valid, 2956 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-10-15 21:00:53,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2022-10-15 21:00:53,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 2034. [2022-10-15 21:00:53,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2034 states, 1553 states have (on average 1.186091435930457) internal successors, (1842), 1567 states have internal predecessors, (1842), 339 states have call successors, (339), 142 states have call predecessors, (339), 141 states have return successors, (339), 335 states have call predecessors, (339), 339 states have call successors, (339) [2022-10-15 21:00:53,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2034 states to 2034 states and 2520 transitions. [2022-10-15 21:00:53,407 INFO L78 Accepts]: Start accepts. Automaton has 2034 states and 2520 transitions. Word has length 162 [2022-10-15 21:00:53,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:00:53,408 INFO L495 AbstractCegarLoop]: Abstraction has 2034 states and 2520 transitions. [2022-10-15 21:00:53,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 10.28) internal successors, (257), 24 states have internal predecessors, (257), 12 states have call successors, (46), 15 states have call predecessors, (46), 11 states have return successors, (41), 12 states have call predecessors, (41), 12 states have call successors, (41) [2022-10-15 21:00:53,408 INFO L276 IsEmpty]: Start isEmpty. Operand 2034 states and 2520 transitions. [2022-10-15 21:00:53,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-10-15 21:00:53,419 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:00:53,419 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 9, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:00:53,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-10-15 21:00:53,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-10-15 21:00:53,633 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_sysfsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_sysfsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_sysfsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_device_create_file_dev_attr_of_sensor_device_attributeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-15 21:00:53,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:00:53,635 INFO L85 PathProgramCache]: Analyzing trace with hash 654041345, now seen corresponding path program 2 times [2022-10-15 21:00:53,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:00:53,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270030331] [2022-10-15 21:00:53,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:00:53,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:00:53,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:56,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:00:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:56,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-15 21:00:56,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:56,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-15 21:00:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:56,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 21:00:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:56,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:56,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-15 21:00:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:56,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:00:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:56,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:00:56,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:56,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-15 21:00:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:56,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-10-15 21:00:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:56,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-15 21:00:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:56,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-15 21:00:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:56,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-10-15 21:00:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:56,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-15 21:00:56,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:56,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-10-15 21:00:56,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:56,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-15 21:00:56,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:56,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-10-15 21:00:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:56,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-10-15 21:00:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:56,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-10-15 21:00:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:56,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-10-15 21:00:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:56,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-10-15 21:00:56,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:56,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-10-15 21:00:56,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:56,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-10-15 21:00:56,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:56,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-10-15 21:00:56,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:56,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-10-15 21:00:56,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:56,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-10-15 21:00:56,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:56,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-10-15 21:00:56,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:56,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-10-15 21:00:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:00:56,946 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 0 proven. 285 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2022-10-15 21:00:56,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:00:56,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270030331] [2022-10-15 21:00:56,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270030331] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:00:56,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327251061] [2022-10-15 21:00:56,947 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-15 21:00:56,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:00:56,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:00:56,950 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:00:56,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-10-15 21:00:57,462 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-15 21:00:57,462 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-15 21:00:57,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 2063 conjuncts, 34 conjunts are in the unsatisfiable core [2022-10-15 21:00:57,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:00:57,944 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 0 proven. 510 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2022-10-15 21:00:57,944 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 21:00:59,317 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-10-15 21:00:59,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [327251061] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 21:00:59,318 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 21:00:59,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13, 32] total 49 [2022-10-15 21:00:59,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075684937] [2022-10-15 21:00:59,318 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 21:00:59,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-10-15 21:00:59,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:00:59,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-10-15 21:00:59,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=782, Invalid=1668, Unknown=0, NotChecked=0, Total=2450 [2022-10-15 21:00:59,323 INFO L87 Difference]: Start difference. First operand 2034 states and 2520 transitions. Second operand has 50 states, 49 states have (on average 8.551020408163266) internal successors, (419), 48 states have internal predecessors, (419), 24 states have call successors, (82), 27 states have call predecessors, (82), 23 states have return successors, (71), 24 states have call predecessors, (71), 24 states have call successors, (71) [2022-10-15 21:01:12,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:01:12,944 INFO L93 Difference]: Finished difference Result 4453 states and 5571 transitions. [2022-10-15 21:01:12,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-10-15 21:01:12,945 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 49 states have (on average 8.551020408163266) internal successors, (419), 48 states have internal predecessors, (419), 24 states have call successors, (82), 27 states have call predecessors, (82), 23 states have return successors, (71), 24 states have call predecessors, (71), 24 states have call successors, (71) Word has length 288 [2022-10-15 21:01:12,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:01:12,975 INFO L225 Difference]: With dead ends: 4453 [2022-10-15 21:01:12,975 INFO L226 Difference]: Without dead ends: 4452 [2022-10-15 21:01:12,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 767 GetRequests, 649 SyntacticMatches, 1 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3556 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=4562, Invalid=9480, Unknown=0, NotChecked=0, Total=14042 [2022-10-15 21:01:12,984 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 17352 mSDsluCounter, 3812 mSDsCounter, 0 mSdLazyCounter, 6513 mSolverCounterSat, 8626 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17837 SdHoareTripleChecker+Valid, 4001 SdHoareTripleChecker+Invalid, 15139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8626 IncrementalHoareTripleChecker+Valid, 6513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-10-15 21:01:12,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17837 Valid, 4001 Invalid, 15139 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8626 Valid, 6513 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2022-10-15 21:01:12,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4452 states. [2022-10-15 21:01:13,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4452 to 4314.