/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain IntervalDomain -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 01:11:06,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 01:11:06,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 01:11:06,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 01:11:06,186 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 01:11:06,186 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 01:11:06,187 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 01:11:06,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 01:11:06,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 01:11:06,190 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 01:11:06,190 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 01:11:06,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 01:11:06,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 01:11:06,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 01:11:06,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 01:11:06,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 01:11:06,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 01:11:06,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 01:11:06,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 01:11:06,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 01:11:06,198 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 01:11:06,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 01:11:06,199 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 01:11:06,200 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 01:11:06,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 01:11:06,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 01:11:06,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 01:11:06,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 01:11:06,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 01:11:06,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 01:11:06,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 01:11:06,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 01:11:06,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 01:11:06,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 01:11:06,207 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 01:11:06,207 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 01:11:06,208 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 01:11:06,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 01:11:06,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 01:11:06,209 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 01:11:06,209 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 01:11:06,210 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 01:11:06,224 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 01:11:06,224 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 01:11:06,224 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 01:11:06,224 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 01:11:06,225 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 01:11:06,225 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 01:11:06,225 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 01:11:06,225 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 01:11:06,225 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 01:11:06,225 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 01:11:06,226 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 01:11:06,226 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 01:11:06,226 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 01:11:06,226 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 01:11:06,226 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 01:11:06,226 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 01:11:06,226 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 01:11:06,226 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 01:11:06,227 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 01:11:06,227 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 01:11:06,227 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 01:11:06,227 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 01:11:06,227 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 01:11:06,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 01:11:06,227 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 01:11:06,227 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 01:11:06,227 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 01:11:06,227 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 01:11:06,228 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 01:11:06,228 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 01:11:06,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 01:11:06,228 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 01:11:06,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 01:11:06,228 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 01:11:06,228 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 01:11:06,228 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 01:11:06,228 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 01:11:06,229 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 01:11:06,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 01:11:06,229 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 01:11:06,229 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 01:11:06,229 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-04-01 01:11:06,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 01:11:06,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 01:11:06,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 01:11:06,382 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 01:11:06,383 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 01:11:06,383 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2023-04-01 01:11:07,416 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 01:11:07,721 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 01:11:07,721 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2023-04-01 01:11:07,746 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40f870b4f/233b9fe16bc64a6080d61ff46f4b0522/FLAG02d6a0eed [2023-04-01 01:11:07,756 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40f870b4f/233b9fe16bc64a6080d61ff46f4b0522 [2023-04-01 01:11:07,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 01:11:07,758 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 01:11:07,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 01:11:07,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 01:11:07,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 01:11:07,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 01:11:07" (1/1) ... [2023-04-01 01:11:07,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e868fab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:11:07, skipping insertion in model container [2023-04-01 01:11:07,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 01:11:07" (1/1) ... [2023-04-01 01:11:07,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 01:11:07,844 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 01:11:08,382 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i[168201,168214] [2023-04-01 01:11:08,421 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 01:11:08,466 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 01:11:08,561 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i[168201,168214] [2023-04-01 01:11:08,568 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 01:11:08,718 INFO L208 MainTranslator]: Completed translation [2023-04-01 01:11:08,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:11:08 WrapperNode [2023-04-01 01:11:08,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 01:11:08,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 01:11:08,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 01:11:08,719 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 01:11:08,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:11:08" (1/1) ... [2023-04-01 01:11:08,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:11:08" (1/1) ... [2023-04-01 01:11:08,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:11:08" (1/1) ... [2023-04-01 01:11:08,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:11:08" (1/1) ... [2023-04-01 01:11:08,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:11:08" (1/1) ... [2023-04-01 01:11:08,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:11:08" (1/1) ... [2023-04-01 01:11:08,911 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:11:08" (1/1) ... [2023-04-01 01:11:08,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:11:08" (1/1) ... [2023-04-01 01:11:08,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 01:11:08,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 01:11:08,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 01:11:08,943 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 01:11:08,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:11:08" (1/1) ... [2023-04-01 01:11:08,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 01:11:08,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 01:11:08,968 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) [2023-04-01 01:11:09,006 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 [2023-04-01 01:11:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 01:11:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 01:11:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2023-04-01 01:11:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 01:11:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-04-01 01:11:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2023-04-01 01:11:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-04-01 01:11:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-04-01 01:11:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_word_swapped [2023-04-01 01:11:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2023-04-01 01:11:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_clientdata [2023-04-01 01:11:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_functionality [2023-04-01 01:11:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_check_functionality [2023-04-01 01:11:09,019 INFO L138 BoogieDeclarations]: Found implementation of procedure SENSORS_LIMIT [2023-04-01 01:11:09,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ADC_TO_MV [2023-04-01 01:11:09,019 INFO L138 BoogieDeclarations]: Found implementation of procedure LIMIT_TO_MV [2023-04-01 01:11:09,019 INFO L138 BoogieDeclarations]: Found implementation of procedure MV_TO_LIMIT [2023-04-01 01:11:09,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ADC_TO_CURR [2023-04-01 01:11:09,019 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_read_adc [2023-04-01 01:11:09,019 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_update_device [2023-04-01 01:11:09,019 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_alarm [2023-04-01 01:11:09,019 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_input [2023-04-01 01:11:09,020 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_current [2023-04-01 01:11:09,020 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_set_limit [2023-04-01 01:11:09,020 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_limit [2023-04-01 01:11:09,020 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_cleanup [2023-04-01 01:11:09,020 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_probe [2023-04-01 01:11:09,020 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_remove [2023-04-01 01:11:09,020 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_driver_init [2023-04-01 01:11:09,020 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_driver_exit [2023-04-01 01:11:09,020 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 01:11:09,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2023-04-01 01:11:09,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2023-04-01 01:11:09,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2023-04-01 01:11:09,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2023-04-01 01:11:09,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2023-04-01 01:11:09,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2023-04-01 01:11:09,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2023-04-01 01:11:09,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2023-04-01 01:11:09,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2023-04-01 01:11:09,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2023-04-01 01:11:09,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2023-04-01 01:11:09,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-01 01:11:09,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-01 01:11:09,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-01 01:11:09,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2023-04-01 01:11:09,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2023-04-01 01:11:09,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2023-04-01 01:11:09,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2023-04-01 01:11:09,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2023-04-01 01:11:09,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2023-04-01 01:11:09,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2023-04-01 01:11:09,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2023-04-01 01:11:09,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2023-04-01 01:11:09,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2023-04-01 01:11:09,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2023-04-01 01:11:09,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-01 01:11:09,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2023-04-01 01:11:09,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2023-04-01 01:11:09,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-04-01 01:11:09,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2023-04-01 01:11:09,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2023-04-01 01:11:09,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2023-04-01 01:11:09,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-01 01:11:09,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-01 01:11:09,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2023-04-01 01:11:09,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_update_lock_of_max16065_data [2023-04-01 01:11:09,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_update_lock_of_max16065_data [2023-04-01 01:11:09,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_max16065_data [2023-04-01 01:11:09,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_update_lock_of_max16065_data [2023-04-01 01:11:09,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_max16065_data [2023-04-01 01:11:09,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_update_lock_of_max16065_data [2023-04-01 01:11:09,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_max16065_data [2023-04-01 01:11:09,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-01 01:11:09,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-01 01:11:09,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-04-01 01:11:09,025 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-01 01:11:09,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-01 01:11:09,025 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-01 01:11:09,025 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-01 01:11:09,025 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2023-04-01 01:11:09,025 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_register [2023-04-01 01:11:09,026 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2023-04-01 01:11:09,026 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2023-04-01 01:11:09,026 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2023-04-01 01:11:09,026 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2023-04-01 01:11:09,026 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_word_data [2023-04-01 01:11:09,026 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2023-04-01 01:11:09,026 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoull [2023-04-01 01:11:09,026 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-04-01 01:11:09,027 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2023-04-01 01:11:09,027 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-01 01:11:09,027 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_file [2023-04-01 01:11:09,027 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2023-04-01 01:11:09,027 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2023-04-01 01:11:09,027 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-01 01:11:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 01:11:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 01:11:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-01 01:11:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-01 01:11:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 01:11:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 01:11:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-01 01:11:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-04-01 01:11:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoull [2023-04-01 01:11:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2023-04-01 01:11:09,028 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2023-04-01 01:11:09,028 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-04-01 01:11:09,028 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-04-01 01:11:09,028 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-04-01 01:11:09,028 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2023-04-01 01:11:09,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2023-04-01 01:11:09,028 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-01 01:11:09,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2023-04-01 01:11:09,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2023-04-01 01:11:09,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2023-04-01 01:11:09,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2023-04-01 01:11:09,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2023-04-01 01:11:09,029 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-04-01 01:11:09,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2023-04-01 01:11:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2023-04-01 01:11:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2023-04-01 01:11:09,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2023-04-01 01:11:09,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2023-04-01 01:11:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2023-04-01 01:11:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2023-04-01 01:11:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2023-04-01 01:11:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2023-04-01 01:11:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2023-04-01 01:11:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2023-04-01 01:11:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2023-04-01 01:11:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_max16065_data [2023-04-01 01:11:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_max16065_data [2023-04-01 01:11:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 01:11:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_file [2023-04-01 01:11:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2023-04-01 01:11:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2023-04-01 01:11:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2023-04-01 01:11:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-01 01:11:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-01 01:11:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2023-04-01 01:11:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2023-04-01 01:11:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_word_data [2023-04-01 01:11:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_word_swapped [2023-04-01 01:11:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2023-04-01 01:11:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_clientdata [2023-04-01 01:11:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2023-04-01 01:11:09,038 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2023-04-01 01:11:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_functionality [2023-04-01 01:11:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2023-04-01 01:11:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 01:11:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_check_functionality [2023-04-01 01:11:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_register [2023-04-01 01:11:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2023-04-01 01:11:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure SENSORS_LIMIT [2023-04-01 01:11:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure ADC_TO_MV [2023-04-01 01:11:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure LIMIT_TO_MV [2023-04-01 01:11:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure MV_TO_LIMIT [2023-04-01 01:11:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure ADC_TO_CURR [2023-04-01 01:11:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_read_adc [2023-04-01 01:11:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_update_device [2023-04-01 01:11:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 01:11:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 01:11:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_alarm [2023-04-01 01:11:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_input [2023-04-01 01:11:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_current [2023-04-01 01:11:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_set_limit [2023-04-01 01:11:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-01 01:11:09,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 01:11:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_limit [2023-04-01 01:11:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_cleanup [2023-04-01 01:11:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_probe [2023-04-01 01:11:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 01:11:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_remove [2023-04-01 01:11:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_driver_init [2023-04-01 01:11:09,040 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_driver_exit [2023-04-01 01:11:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-01 01:11:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-01 01:11:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 01:11:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-01 01:11:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-01 01:11:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2023-04-01 01:11:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2023-04-01 01:11:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2023-04-01 01:11:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2023-04-01 01:11:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2023-04-01 01:11:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2023-04-01 01:11:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2023-04-01 01:11:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2023-04-01 01:11:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-01 01:11:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2023-04-01 01:11:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-04-01 01:11:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2023-04-01 01:11:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-01 01:11:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-01 01:11:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_update_lock_of_max16065_data [2023-04-01 01:11:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_update_lock_of_max16065_data [2023-04-01 01:11:09,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_update_lock_of_max16065_data [2023-04-01 01:11:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_update_lock_of_max16065_data [2023-04-01 01:11:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_update_lock_of_max16065_data [2023-04-01 01:11:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-01 01:11:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 01:11:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-01 01:11:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-01 01:11:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 01:11:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 01:11:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-01 01:11:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 01:11:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 01:11:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-01 01:11:09,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 01:11:09,575 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 01:11:09,577 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 01:11:13,178 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 01:11:13,835 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 01:11:13,835 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-01 01:11:13,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 01:11:13 BoogieIcfgContainer [2023-04-01 01:11:13,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 01:11:13,843 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 01:11:13,843 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 01:11:13,846 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 01:11:13,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 01:11:07" (1/3) ... [2023-04-01 01:11:13,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dc58da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 01:11:13, skipping insertion in model container [2023-04-01 01:11:13,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:11:08" (2/3) ... [2023-04-01 01:11:13,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dc58da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 01:11:13, skipping insertion in model container [2023-04-01 01:11:13,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 01:11:13" (3/3) ... [2023-04-01 01:11:13,848 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2023-04-01 01:11:13,862 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 01:11:13,862 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 01:11:13,926 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 01:11:13,932 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;@76ae570b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 01:11:13,932 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 01:11:13,942 INFO L276 IsEmpty]: Start isEmpty. Operand has 1083 states, 768 states have (on average 1.5911458333333333) internal successors, (1222), 775 states have internal predecessors, (1222), 225 states have call successors, (225), 58 states have call predecessors, (225), 58 states have return successors, (225), 225 states have call predecessors, (225), 225 states have call successors, (225) [2023-04-01 01:11:13,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-04-01 01:11:13,964 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:11:13,964 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:11:13,964 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:11:13,968 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:11:13,968 INFO L85 PathProgramCache]: Analyzing trace with hash -653809848, now seen corresponding path program 1 times [2023-04-01 01:11:13,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:11:13,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679077341] [2023-04-01 01:11:13,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:11:13,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:11:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:11:15,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 01:11:15,128 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:11:15,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679077341] [2023-04-01 01:11:15,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679077341] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:11:15,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:11:15,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 01:11:15,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280442308] [2023-04-01 01:11:15,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:11:15,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:11:15,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:11:15,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:11:15,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:11:15,176 INFO L87 Difference]: Start difference. First operand has 1083 states, 768 states have (on average 1.5911458333333333) internal successors, (1222), 775 states have internal predecessors, (1222), 225 states have call successors, (225), 58 states have call predecessors, (225), 58 states have return successors, (225), 225 states have call predecessors, (225), 225 states have call successors, (225) Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-04-01 01:11:15,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:11:15,811 INFO L93 Difference]: Finished difference Result 3026 states and 5036 transitions. [2023-04-01 01:11:15,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:11:15,813 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 44 [2023-04-01 01:11:15,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:11:15,836 INFO L225 Difference]: With dead ends: 3026 [2023-04-01 01:11:15,837 INFO L226 Difference]: Without dead ends: 2006 [2023-04-01 01:11:15,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:11:15,851 INFO L413 NwaCegarLoop]: 1483 mSDtfsCounter, 1602 mSDsluCounter, 1473 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1602 SdHoareTripleChecker+Valid, 2956 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-01 01:11:15,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1602 Valid, 2956 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-01 01:11:15,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2006 states. [2023-04-01 01:11:16,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2006 to 1978. [2023-04-01 01:11:16,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1978 states, 1450 states have (on average 1.6186206896551725) internal successors, (2347), 1455 states have internal predecessors, (2347), 423 states have call successors, (423), 107 states have call predecessors, (423), 104 states have return successors, (415), 415 states have call predecessors, (415), 415 states have call successors, (415) [2023-04-01 01:11:16,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1978 states and 3185 transitions. [2023-04-01 01:11:16,119 INFO L78 Accepts]: Start accepts. Automaton has 1978 states and 3185 transitions. Word has length 44 [2023-04-01 01:11:16,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:11:16,120 INFO L495 AbstractCegarLoop]: Abstraction has 1978 states and 3185 transitions. [2023-04-01 01:11:16,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-04-01 01:11:16,120 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 3185 transitions. [2023-04-01 01:11:16,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-04-01 01:11:16,128 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:11:16,128 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:11:16,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 01:11:16,129 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:11:16,130 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:11:16,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1486620899, now seen corresponding path program 1 times [2023-04-01 01:11:16,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:11:16,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346065621] [2023-04-01 01:11:16,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:11:16,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:11:16,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:11:16,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 01:11:16,621 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:11:16,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346065621] [2023-04-01 01:11:16,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346065621] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:11:16,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:11:16,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 01:11:16,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123505180] [2023-04-01 01:11:16,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:11:16,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:11:16,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:11:16,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:11:16,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:11:16,626 INFO L87 Difference]: Start difference. First operand 1978 states and 3185 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-04-01 01:11:17,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:11:17,094 INFO L93 Difference]: Finished difference Result 5907 states and 9521 transitions. [2023-04-01 01:11:17,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:11:17,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 43 [2023-04-01 01:11:17,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:11:17,111 INFO L225 Difference]: With dead ends: 5907 [2023-04-01 01:11:17,111 INFO L226 Difference]: Without dead ends: 3938 [2023-04-01 01:11:17,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:11:17,118 INFO L413 NwaCegarLoop]: 1485 mSDtfsCounter, 1597 mSDsluCounter, 1468 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1597 SdHoareTripleChecker+Valid, 2953 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 01:11:17,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1597 Valid, 2953 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 01:11:17,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3938 states. [2023-04-01 01:11:17,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3938 to 3910. [2023-04-01 01:11:17,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3910 states, 2877 states have (on average 1.6200903719151893) internal successors, (4661), 2882 states have internal predecessors, (4661), 830 states have call successors, (830), 205 states have call predecessors, (830), 202 states have return successors, (822), 822 states have call predecessors, (822), 822 states have call successors, (822) [2023-04-01 01:11:17,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3910 states to 3910 states and 6313 transitions. [2023-04-01 01:11:17,233 INFO L78 Accepts]: Start accepts. Automaton has 3910 states and 6313 transitions. Word has length 43 [2023-04-01 01:11:17,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:11:17,233 INFO L495 AbstractCegarLoop]: Abstraction has 3910 states and 6313 transitions. [2023-04-01 01:11:17,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-04-01 01:11:17,233 INFO L276 IsEmpty]: Start isEmpty. Operand 3910 states and 6313 transitions. [2023-04-01 01:11:17,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-01 01:11:17,237 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:11:17,237 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:11:17,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 01:11:17,237 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:11:17,238 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:11:17,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1510291172, now seen corresponding path program 1 times [2023-04-01 01:11:17,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:11:17,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018205804] [2023-04-01 01:11:17,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:11:17,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:11:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:11:17,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 01:11:17,739 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:11:17,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018205804] [2023-04-01 01:11:17,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018205804] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:11:17,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:11:17,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 01:11:17,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900626161] [2023-04-01 01:11:17,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:11:17,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:11:17,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:11:17,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:11:17,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:11:17,743 INFO L87 Difference]: Start difference. First operand 3910 states and 6313 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-04-01 01:11:18,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:11:18,401 INFO L93 Difference]: Finished difference Result 11695 states and 18891 transitions. [2023-04-01 01:11:18,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:11:18,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 47 [2023-04-01 01:11:18,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:11:18,443 INFO L225 Difference]: With dead ends: 11695 [2023-04-01 01:11:18,443 INFO L226 Difference]: Without dead ends: 7794 [2023-04-01 01:11:18,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:11:18,463 INFO L413 NwaCegarLoop]: 1492 mSDtfsCounter, 1593 mSDsluCounter, 1468 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1593 SdHoareTripleChecker+Valid, 2960 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-01 01:11:18,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1593 Valid, 2960 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-01 01:11:18,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7794 states. [2023-04-01 01:11:18,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7794 to 7766. [2023-04-01 01:11:18,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7766 states, 5725 states have (on average 1.6204366812227073) internal successors, (9277), 5730 states have internal predecessors, (9277), 1642 states have call successors, (1642), 401 states have call predecessors, (1642), 398 states have return successors, (1634), 1634 states have call predecessors, (1634), 1634 states have call successors, (1634) [2023-04-01 01:11:18,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7766 states to 7766 states and 12553 transitions. [2023-04-01 01:11:18,747 INFO L78 Accepts]: Start accepts. Automaton has 7766 states and 12553 transitions. Word has length 47 [2023-04-01 01:11:18,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:11:18,747 INFO L495 AbstractCegarLoop]: Abstraction has 7766 states and 12553 transitions. [2023-04-01 01:11:18,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-04-01 01:11:18,747 INFO L276 IsEmpty]: Start isEmpty. Operand 7766 states and 12553 transitions. [2023-04-01 01:11:18,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-04-01 01:11:18,750 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:11:18,750 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:11:18,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 01:11:18,750 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:11:18,751 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:11:18,751 INFO L85 PathProgramCache]: Analyzing trace with hash -354735472, now seen corresponding path program 1 times [2023-04-01 01:11:18,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:11:18,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076454918] [2023-04-01 01:11:18,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:11:18,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:11:18,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:11:19,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 01:11:19,237 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:11:19,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076454918] [2023-04-01 01:11:19,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076454918] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:11:19,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:11:19,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 01:11:19,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814136766] [2023-04-01 01:11:19,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:11:19,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:11:19,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:11:19,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:11:19,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:11:19,239 INFO L87 Difference]: Start difference. First operand 7766 states and 12553 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-04-01 01:11:19,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:11:19,792 INFO L93 Difference]: Finished difference Result 23247 states and 37583 transitions. [2023-04-01 01:11:19,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:11:19,792 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 51 [2023-04-01 01:11:19,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:11:19,861 INFO L225 Difference]: With dead ends: 23247 [2023-04-01 01:11:19,861 INFO L226 Difference]: Without dead ends: 15490 [2023-04-01 01:11:19,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:11:19,889 INFO L413 NwaCegarLoop]: 1499 mSDtfsCounter, 1589 mSDsluCounter, 1468 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1589 SdHoareTripleChecker+Valid, 2967 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 01:11:19,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1589 Valid, 2967 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 01:11:19,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15490 states. [2023-04-01 01:11:20,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15490 to 15462. [2023-04-01 01:11:20,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15462 states, 11409 states have (on average 1.6202121132439302) internal successors, (18485), 11414 states have internal predecessors, (18485), 3262 states have call successors, (3262), 793 states have call predecessors, (3262), 790 states have return successors, (3254), 3254 states have call predecessors, (3254), 3254 states have call successors, (3254) [2023-04-01 01:11:20,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15462 states to 15462 states and 25001 transitions. [2023-04-01 01:11:20,433 INFO L78 Accepts]: Start accepts. Automaton has 15462 states and 25001 transitions. Word has length 51 [2023-04-01 01:11:20,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:11:20,435 INFO L495 AbstractCegarLoop]: Abstraction has 15462 states and 25001 transitions. [2023-04-01 01:11:20,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-04-01 01:11:20,435 INFO L276 IsEmpty]: Start isEmpty. Operand 15462 states and 25001 transitions. [2023-04-01 01:11:20,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-04-01 01:11:20,438 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:11:20,438 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:11:20,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 01:11:20,438 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:11:20,438 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:11:20,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1373900862, now seen corresponding path program 1 times [2023-04-01 01:11:20,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:11:20,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923212224] [2023-04-01 01:11:20,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:11:20,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:11:20,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:11:20,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 01:11:20,812 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:11:20,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923212224] [2023-04-01 01:11:20,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923212224] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:11:20,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:11:20,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 01:11:20,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967586746] [2023-04-01 01:11:20,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:11:20,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:11:20,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:11:20,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:11:20,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:11:20,814 INFO L87 Difference]: Start difference. First operand 15462 states and 25001 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-04-01 01:11:21,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:11:21,859 INFO L93 Difference]: Finished difference Result 46303 states and 74871 transitions. [2023-04-01 01:11:21,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:11:21,860 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2023-04-01 01:11:21,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:11:21,990 INFO L225 Difference]: With dead ends: 46303 [2023-04-01 01:11:21,990 INFO L226 Difference]: Without dead ends: 30850 [2023-04-01 01:11:22,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:11:22,044 INFO L413 NwaCegarLoop]: 1506 mSDtfsCounter, 1584 mSDsluCounter, 1468 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1584 SdHoareTripleChecker+Valid, 2974 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-01 01:11:22,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1584 Valid, 2974 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-01 01:11:22,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30850 states. [2023-04-01 01:11:23,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30850 to 30822. [2023-04-01 01:11:23,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30822 states, 22753 states have (on average 1.6196985012965324) internal successors, (36853), 22758 states have internal predecessors, (36853), 6494 states have call successors, (6494), 1577 states have call predecessors, (6494), 1574 states have return successors, (6486), 6486 states have call predecessors, (6486), 6486 states have call successors, (6486) [2023-04-01 01:11:23,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30822 states to 30822 states and 49833 transitions. [2023-04-01 01:11:23,401 INFO L78 Accepts]: Start accepts. Automaton has 30822 states and 49833 transitions. Word has length 56 [2023-04-01 01:11:23,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:11:23,402 INFO L495 AbstractCegarLoop]: Abstraction has 30822 states and 49833 transitions. [2023-04-01 01:11:23,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-04-01 01:11:23,402 INFO L276 IsEmpty]: Start isEmpty. Operand 30822 states and 49833 transitions. [2023-04-01 01:11:23,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-04-01 01:11:23,405 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:11:23,405 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:11:23,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-01 01:11:23,405 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:11:23,405 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:11:23,406 INFO L85 PathProgramCache]: Analyzing trace with hash -201138114, now seen corresponding path program 1 times [2023-04-01 01:11:23,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:11:23,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082585804] [2023-04-01 01:11:23,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:11:23,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:11:23,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:11:23,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 01:11:23,841 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:11:23,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082585804] [2023-04-01 01:11:23,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082585804] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:11:23,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:11:23,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 01:11:23,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217189243] [2023-04-01 01:11:23,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:11:23,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:11:23,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:11:23,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:11:23,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:11:23,845 INFO L87 Difference]: Start difference. First operand 30822 states and 49833 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-04-01 01:11:25,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:11:25,777 INFO L93 Difference]: Finished difference Result 92319 states and 149255 transitions. [2023-04-01 01:11:25,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:11:25,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 61 [2023-04-01 01:11:25,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:11:26,163 INFO L225 Difference]: With dead ends: 92319 [2023-04-01 01:11:26,163 INFO L226 Difference]: Without dead ends: 61506 [2023-04-01 01:11:26,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:11:26,224 INFO L413 NwaCegarLoop]: 1513 mSDtfsCounter, 1579 mSDsluCounter, 1468 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1579 SdHoareTripleChecker+Valid, 2981 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-01 01:11:26,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1579 Valid, 2981 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-01 01:11:26,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61506 states. [2023-04-01 01:11:28,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61506 to 61478. [2023-04-01 01:11:28,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61478 states, 45393 states have (on average 1.6190381776925957) internal successors, (73493), 45398 states have internal predecessors, (73493), 12942 states have call successors, (12942), 3145 states have call predecessors, (12942), 3142 states have return successors, (12934), 12934 states have call predecessors, (12934), 12934 states have call successors, (12934) [2023-04-01 01:11:28,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61478 states to 61478 states and 99369 transitions. [2023-04-01 01:11:28,749 INFO L78 Accepts]: Start accepts. Automaton has 61478 states and 99369 transitions. Word has length 61 [2023-04-01 01:11:28,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:11:28,750 INFO L495 AbstractCegarLoop]: Abstraction has 61478 states and 99369 transitions. [2023-04-01 01:11:28,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-04-01 01:11:28,750 INFO L276 IsEmpty]: Start isEmpty. Operand 61478 states and 99369 transitions. [2023-04-01 01:11:28,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-04-01 01:11:28,752 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:11:28,752 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:11:28,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-01 01:11:28,752 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:11:28,752 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:11:28,752 INFO L85 PathProgramCache]: Analyzing trace with hash -3117855, now seen corresponding path program 1 times [2023-04-01 01:11:28,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:11:28,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298696434] [2023-04-01 01:11:28,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:11:28,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:11:28,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:11:29,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 01:11:29,349 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:11:29,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298696434] [2023-04-01 01:11:29,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298696434] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:11:29,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:11:29,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 01:11:29,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804885195] [2023-04-01 01:11:29,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:11:29,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:11:29,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:11:29,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:11:29,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:11:29,351 INFO L87 Difference]: Start difference. First operand 61478 states and 99369 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-04-01 01:11:32,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:11:32,745 INFO L93 Difference]: Finished difference Result 184159 states and 297639 transitions. [2023-04-01 01:11:32,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:11:32,746 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2023-04-01 01:11:32,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:11:33,495 INFO L225 Difference]: With dead ends: 184159 [2023-04-01 01:11:33,495 INFO L226 Difference]: Without dead ends: 122690 [2023-04-01 01:11:33,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:11:33,664 INFO L413 NwaCegarLoop]: 1520 mSDtfsCounter, 1581 mSDsluCounter, 1468 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1581 SdHoareTripleChecker+Valid, 2988 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-04-01 01:11:33,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1581 Valid, 2988 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-04-01 01:11:33,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122690 states. [2023-04-01 01:11:37,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122690 to 122662. [2023-04-01 01:11:37,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122662 states, 90577 states have (on average 1.6183026596155756) internal successors, (146581), 90582 states have internal predecessors, (146581), 25806 states have call successors, (25806), 6281 states have call predecessors, (25806), 6278 states have return successors, (25798), 25798 states have call predecessors, (25798), 25798 states have call successors, (25798) [2023-04-01 01:11:38,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122662 states to 122662 states and 198185 transitions. [2023-04-01 01:11:38,311 INFO L78 Accepts]: Start accepts. Automaton has 122662 states and 198185 transitions. Word has length 59 [2023-04-01 01:11:38,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:11:38,312 INFO L495 AbstractCegarLoop]: Abstraction has 122662 states and 198185 transitions. [2023-04-01 01:11:38,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-04-01 01:11:38,312 INFO L276 IsEmpty]: Start isEmpty. Operand 122662 states and 198185 transitions. [2023-04-01 01:11:38,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-04-01 01:11:38,313 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:11:38,313 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:11:38,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-01 01:11:38,314 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:11:38,314 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:11:38,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1033639498, now seen corresponding path program 1 times [2023-04-01 01:11:38,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:11:38,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77506747] [2023-04-01 01:11:38,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:11:38,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:11:38,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:11:38,804 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:11:38,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77506747] [2023-04-01 01:11:38,804 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-04-01 01:11:38,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1532182175] [2023-04-01 01:11:38,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:11:38,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 01:11:38,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 01:11:38,829 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) [2023-04-01 01:11:38,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 01:11:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:11:40,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 10856 conjuncts, 2 conjunts are in the unsatisfiable core [2023-04-01 01:11:40,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 01:11:40,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 01:11:40,574 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 01:11:40,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1532182175] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:11:40,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:11:40,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 01:11:40,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699614070] [2023-04-01 01:11:40,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:11:40,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:11:40,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:11:40,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:11:40,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:11:40,575 INFO L87 Difference]: Start difference. First operand 122662 states and 198185 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-01 01:11:46,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:11:46,728 INFO L93 Difference]: Finished difference Result 367455 states and 593767 transitions. [2023-04-01 01:11:46,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:11:46,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 68 [2023-04-01 01:11:46,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:11:47,942 INFO L225 Difference]: With dead ends: 367455 [2023-04-01 01:11:47,943 INFO L226 Difference]: Without dead ends: 244802 [2023-04-01 01:11:48,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:11:48,645 INFO L413 NwaCegarLoop]: 1524 mSDtfsCounter, 1589 mSDsluCounter, 1465 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1589 SdHoareTripleChecker+Valid, 2989 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-01 01:11:48,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1589 Valid, 2989 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-01 01:11:48,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244802 states. [2023-04-01 01:11:56,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244802 to 244774. [2023-04-01 01:11:57,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244774 states, 180881 states have (on average 1.617798442069648) internal successors, (292629), 180886 states have internal predecessors, (292629), 51342 states have call successors, (51342), 12553 states have call predecessors, (51342), 12550 states have return successors, (51334), 51334 states have call predecessors, (51334), 51334 states have call successors, (51334) [2023-04-01 01:11:58,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244774 states to 244774 states and 395305 transitions. [2023-04-01 01:11:58,589 INFO L78 Accepts]: Start accepts. Automaton has 244774 states and 395305 transitions. Word has length 68 [2023-04-01 01:11:58,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:11:58,589 INFO L495 AbstractCegarLoop]: Abstraction has 244774 states and 395305 transitions. [2023-04-01 01:11:58,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-01 01:11:58,590 INFO L276 IsEmpty]: Start isEmpty. Operand 244774 states and 395305 transitions. [2023-04-01 01:11:58,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-04-01 01:11:58,592 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:11:58,592 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:11:58,615 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-01 01:11:58,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 01:11:58,806 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:11:58,807 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:11:58,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1120665504, now seen corresponding path program 1 times [2023-04-01 01:11:58,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:11:58,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509134436] [2023-04-01 01:11:58,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:11:58,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:11:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:11:58,996 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:11:58,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509134436] [2023-04-01 01:11:58,997 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-04-01 01:11:58,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623773522] [2023-04-01 01:11:58,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:11:58,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 01:11:58,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 01:11:58,998 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) [2023-04-01 01:11:59,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-01 01:12:01,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:12:01,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 10854 conjuncts, 2 conjunts are in the unsatisfiable core [2023-04-01 01:12:01,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 01:12:01,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 01:12:01,173 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 01:12:01,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1623773522] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:12:01,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:12:01,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 01:12:01,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60747375] [2023-04-01 01:12:01,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:12:01,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:12:01,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:12:01,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:12:01,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:12:01,175 INFO L87 Difference]: Start difference. First operand 244774 states and 395305 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10)