/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83781d.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 12:46:20,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 12:46:20,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 12:46:20,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 12:46:20,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 12:46:20,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 12:46:20,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 12:46:20,724 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 12:46:20,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 12:46:20,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 12:46:20,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 12:46:20,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 12:46:20,741 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 12:46:20,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 12:46:20,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 12:46:20,762 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 12:46:20,763 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 12:46:20,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 12:46:20,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 12:46:20,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 12:46:20,771 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 12:46:20,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 12:46:20,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 12:46:20,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 12:46:20,790 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 12:46:20,790 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 12:46:20,791 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 12:46:20,798 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 12:46:20,798 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 12:46:20,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 12:46:20,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 12:46:20,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 12:46:20,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 12:46:20,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 12:46:20,806 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 12:46:20,806 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 12:46:20,807 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 12:46:20,808 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 12:46:20,808 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 12:46:20,809 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 12:46:20,811 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 12:46:20,812 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 12:46:20,871 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 12:46:20,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 12:46:20,873 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 12:46:20,873 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 12:46:20,874 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 12:46:20,875 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 12:46:20,877 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 12:46:20,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 12:46:20,878 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 12:46:20,878 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 12:46:20,879 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 12:46:20,880 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 12:46:20,880 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 12:46:20,880 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 12:46:20,880 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 12:46:20,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 12:46:20,881 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 12:46:20,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 12:46:20,881 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 12:46:20,881 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 12:46:20,882 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 12:46:20,882 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 12:46:20,882 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 12:46:20,882 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 12:46:20,882 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 12:46:20,883 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 12:46:20,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:46:20,883 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 12:46:20,883 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 12:46:20,884 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 12:46:20,884 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 12:46:20,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 12:46:20,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 12:46:20,885 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 12:46:21,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 12:46:21,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 12:46:21,383 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 12:46:21,384 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 12:46:21,385 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 12:46:21,387 INFO L432 ainManager$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--w83781d.ko-main.cil.out.i [2022-10-16 12:46:21,464 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d4e93a5e/5de7c419e0d748ce92cbde1b4295bde6/FLAGcc59abbf6 [2022-10-16 12:46:22,607 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 12:46:22,608 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83781d.ko-main.cil.out.i [2022-10-16 12:46:22,661 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d4e93a5e/5de7c419e0d748ce92cbde1b4295bde6/FLAGcc59abbf6 [2022-10-16 12:46:22,972 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d4e93a5e/5de7c419e0d748ce92cbde1b4295bde6 [2022-10-16 12:46:22,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 12:46:22,982 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 12:46:22,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 12:46:22,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 12:46:22,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 12:46:22,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:46:22" (1/1) ... [2022-10-16 12:46:22,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46411d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:46:22, skipping insertion in model container [2022-10-16 12:46:22,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:46:22" (1/1) ... [2022-10-16 12:46:23,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 12:46:23,174 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 12:46:24,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83781d.ko-main.cil.out.i[231089,231102] [2022-10-16 12:46:25,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:46:25,123 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 12:46:25,600 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83781d.ko-main.cil.out.i[231089,231102] [2022-10-16 12:46:25,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:46:26,014 INFO L208 MainTranslator]: Completed translation [2022-10-16 12:46:26,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:46:26 WrapperNode [2022-10-16 12:46:26,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 12:46:26,017 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 12:46:26,017 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 12:46:26,017 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 12:46:26,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:46:26" (1/1) ... [2022-10-16 12:46:26,181 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:46:26" (1/1) ... [2022-10-16 12:46:26,499 INFO L138 Inliner]: procedures = 206, calls = 2928, calls flagged for inlining = 89, calls inlined = 81, statements flattened = 8073 [2022-10-16 12:46:26,499 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 12:46:26,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 12:46:26,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 12:46:26,501 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 12:46:26,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:46:26" (1/1) ... [2022-10-16 12:46:26,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:46:26" (1/1) ... [2022-10-16 12:46:26,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:46:26" (1/1) ... [2022-10-16 12:46:26,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:46:26" (1/1) ... [2022-10-16 12:46:26,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:46:26" (1/1) ... [2022-10-16 12:46:26,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:46:26" (1/1) ... [2022-10-16 12:46:27,018 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:46:26" (1/1) ... [2022-10-16 12:46:27,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:46:26" (1/1) ... [2022-10-16 12:46:27,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 12:46:27,096 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 12:46:27,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 12:46:27,097 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 12:46:27,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:46:26" (1/1) ... [2022-10-16 12:46:27,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:46:27,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:46:27,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 12:46:27,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 12:46:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure w83781d_read_value [2022-10-16 12:46:27,258 INFO L138 BoogieDeclarations]: Found implementation of procedure w83781d_read_value [2022-10-16 12:46:27,258 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_max [2022-10-16 12:46:27,258 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_max [2022-10-16 12:46:27,258 INFO L130 BoogieDeclarations]: Found specification of procedure w83781d_detect [2022-10-16 12:46:27,258 INFO L138 BoogieDeclarations]: Found implementation of procedure w83781d_detect [2022-10-16 12:46:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_TO_REG [2022-10-16 12:46:27,259 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_TO_REG [2022-10-16 12:46:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure store_beep [2022-10-16 12:46:27,259 INFO L138 BoogieDeclarations]: Found implementation of procedure store_beep [2022-10-16 12:46:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 12:46:27,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 12:46:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwm [2022-10-16 12:46:27,260 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwm [2022-10-16 12:46:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure store_in_min [2022-10-16 12:46:27,260 INFO L138 BoogieDeclarations]: Found implementation of procedure store_in_min [2022-10-16 12:46:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure store_fan_div [2022-10-16 12:46:27,260 INFO L138 BoogieDeclarations]: Found implementation of procedure store_fan_div [2022-10-16 12:46:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure LM75_TEMP_FROM_REG [2022-10-16 12:46:27,260 INFO L138 BoogieDeclarations]: Found implementation of procedure LM75_TEMP_FROM_REG [2022-10-16 12:46:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-16 12:46:27,261 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-16 12:46:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 12:46:27,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 12:46:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2022-10-16 12:46:27,261 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2022-10-16 12:46:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure show_sensor [2022-10-16 12:46:27,261 INFO L138 BoogieDeclarations]: Found implementation of procedure show_sensor [2022-10-16 12:46:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-16 12:46:27,262 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-16 12:46:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_min [2022-10-16 12:46:27,262 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_min [2022-10-16 12:46:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 12:46:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure store_temp_max_hyst [2022-10-16 12:46:27,262 INFO L138 BoogieDeclarations]: Found implementation of procedure store_temp_max_hyst [2022-10-16 12:46:27,263 INFO L130 BoogieDeclarations]: Found specification of procedure show_alarm [2022-10-16 12:46:27,263 INFO L138 BoogieDeclarations]: Found implementation of procedure show_alarm [2022-10-16 12:46:27,263 INFO L130 BoogieDeclarations]: Found specification of procedure SENSORS_LIMIT [2022-10-16 12:46:27,263 INFO L138 BoogieDeclarations]: Found implementation of procedure SENSORS_LIMIT [2022-10-16 12:46:27,263 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2022-10-16 12:46:27,263 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2022-10-16 12:46:27,263 INFO L130 BoogieDeclarations]: Found specification of procedure w83781d_isa_unregister [2022-10-16 12:46:27,263 INFO L138 BoogieDeclarations]: Found implementation of procedure w83781d_isa_unregister [2022-10-16 12:46:27,264 INFO L130 BoogieDeclarations]: Found specification of procedure show_in [2022-10-16 12:46:27,264 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in [2022-10-16 12:46:27,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 12:46:27,264 INFO L130 BoogieDeclarations]: Found specification of procedure show_beep [2022-10-16 12:46:27,264 INFO L138 BoogieDeclarations]: Found implementation of procedure show_beep [2022-10-16 12:46:27,264 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2022-10-16 12:46:27,264 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2022-10-16 12:46:27,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 12:46:27,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 12:46:27,265 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_unregister_device [2022-10-16 12:46:27,265 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_unregister_device [2022-10-16 12:46:27,265 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-10-16 12:46:27,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-10-16 12:46:27,265 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm [2022-10-16 12:46:27,266 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm [2022-10-16 12:46:27,266 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_FROM_REG [2022-10-16 12:46:27,266 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_FROM_REG [2022-10-16 12:46:27,266 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-10-16 12:46:27,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-10-16 12:46:27,266 INFO L130 BoogieDeclarations]: Found specification of procedure store_sensor [2022-10-16 12:46:27,266 INFO L138 BoogieDeclarations]: Found implementation of procedure store_sensor [2022-10-16 12:46:27,267 INFO L130 BoogieDeclarations]: Found specification of procedure w83781d_update_device [2022-10-16 12:46:27,267 INFO L138 BoogieDeclarations]: Found implementation of procedure w83781d_update_device [2022-10-16 12:46:27,267 INFO L130 BoogieDeclarations]: Found specification of procedure w83781d_remove_files [2022-10-16 12:46:27,267 INFO L138 BoogieDeclarations]: Found implementation of procedure w83781d_remove_files [2022-10-16 12:46:27,267 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan [2022-10-16 12:46:27,267 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan [2022-10-16 12:46:27,267 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-10-16 12:46:27,268 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-10-16 12:46:27,268 INFO L130 BoogieDeclarations]: Found specification of procedure store_in_max [2022-10-16 12:46:27,268 INFO L138 BoogieDeclarations]: Found implementation of procedure store_in_max [2022-10-16 12:46:27,268 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_word_swapped [2022-10-16 12:46:27,268 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_word_swapped [2022-10-16 12:46:27,268 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2022-10-16 12:46:27,269 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2022-10-16 12:46:27,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_w83781d_data [2022-10-16 12:46:27,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_w83781d_data [2022-10-16 12:46:27,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 12:46:27,269 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-10-16 12:46:27,269 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-10-16 12:46:27,269 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2022-10-16 12:46:27,269 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2022-10-16 12:46:27,270 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_word_swapped [2022-10-16 12:46:27,270 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_word_swapped [2022-10-16 12:46:27,270 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_div [2022-10-16 12:46:27,270 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_div [2022-10-16 12:46:27,270 INFO L130 BoogieDeclarations]: Found specification of procedure LM75_TEMP_TO_REG [2022-10-16 12:46:27,270 INFO L138 BoogieDeclarations]: Found implementation of procedure LM75_TEMP_TO_REG [2022-10-16 12:46:27,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 12:46:27,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_w83781d_data [2022-10-16 12:46:27,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_w83781d_data [2022-10-16 12:46:27,271 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp [2022-10-16 12:46:27,271 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp [2022-10-16 12:46:27,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 12:46:27,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 12:46:27,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_w83781d_data [2022-10-16 12:46:27,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_w83781d_data [2022-10-16 12:46:27,272 INFO L130 BoogieDeclarations]: Found specification of procedure store_temp_max [2022-10-16 12:46:27,272 INFO L138 BoogieDeclarations]: Found implementation of procedure store_temp_max [2022-10-16 12:46:27,272 INFO L130 BoogieDeclarations]: Found specification of procedure w83781d_write_value [2022-10-16 12:46:27,272 INFO L138 BoogieDeclarations]: Found implementation of procedure w83781d_write_value [2022-10-16 12:46:27,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 12:46:27,272 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_min [2022-10-16 12:46:27,273 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_min [2022-10-16 12:46:27,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 12:46:27,273 INFO L130 BoogieDeclarations]: Found specification of procedure store_fan_min [2022-10-16 12:46:27,273 INFO L138 BoogieDeclarations]: Found implementation of procedure store_fan_min [2022-10-16 12:46:27,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 12:46:27,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_w83781d_data [2022-10-16 12:46:27,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_w83781d_data [2022-10-16 12:46:27,273 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp_max [2022-10-16 12:46:27,274 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp_max [2022-10-16 12:46:27,274 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp_max_hyst [2022-10-16 12:46:27,274 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp_max_hyst [2022-10-16 12:46:27,274 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-10-16 12:46:27,274 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-10-16 12:46:27,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 12:46:27,274 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2022-10-16 12:46:27,275 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2022-10-16 12:46:27,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 12:46:27,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 12:46:27,275 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-16 12:46:27,275 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-16 12:46:28,283 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 12:46:28,290 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 12:46:37,328 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 12:46:37,353 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 12:46:37,354 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 12:46:37,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:46:37 BoogieIcfgContainer [2022-10-16 12:46:37,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 12:46:37,362 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 12:46:37,362 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 12:46:37,366 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 12:46:37,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:46:22" (1/3) ... [2022-10-16 12:46:37,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6503317f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:46:37, skipping insertion in model container [2022-10-16 12:46:37,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:46:26" (2/3) ... [2022-10-16 12:46:37,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6503317f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:46:37, skipping insertion in model container [2022-10-16 12:46:37,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:46:37" (3/3) ... [2022-10-16 12:46:37,370 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83781d.ko-main.cil.out.i [2022-10-16 12:46:37,396 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 12:46:37,396 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 170 error locations. [2022-10-16 12:46:37,554 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 12:46:37,568 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;@230eeab5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 12:46:37,568 INFO L358 AbstractCegarLoop]: Starting to check reachability of 170 error locations. [2022-10-16 12:46:37,584 INFO L276 IsEmpty]: Start isEmpty. Operand has 2304 states, 1649 states have (on average 1.5767131594906003) internal successors, (2600), 1829 states have internal predecessors, (2600), 427 states have call successors, (427), 57 states have call predecessors, (427), 57 states have return successors, (427), 427 states have call predecessors, (427), 427 states have call successors, (427) [2022-10-16 12:46:37,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-16 12:46:37,622 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:46:37,622 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] [2022-10-16 12:46:37,623 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting w83781d_update_deviceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [show_fanErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, show_fanErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, w83781d_read_valueErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 167 more)] === [2022-10-16 12:46:37,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:46:37,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1314138299, now seen corresponding path program 1 times [2022-10-16 12:46:37,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:46:37,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102223288] [2022-10-16 12:46:37,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:46:37,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:46:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:38,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 12:46:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:38,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:46:38,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:38,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 12:46:38,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:38,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 12:46:39,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:39,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:46:39,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:46:39,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102223288] [2022-10-16 12:46:39,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102223288] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:46:39,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:46:39,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:46:39,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304052392] [2022-10-16 12:46:39,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:46:39,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:46:39,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:46:39,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:46:39,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:46:39,074 INFO L87 Difference]: Start difference. First operand has 2304 states, 1649 states have (on average 1.5767131594906003) internal successors, (2600), 1829 states have internal predecessors, (2600), 427 states have call successors, (427), 57 states have call predecessors, (427), 57 states have return successors, (427), 427 states have call predecessors, (427), 427 states have call successors, (427) Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:46:44,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:46:44,539 INFO L93 Difference]: Finished difference Result 7018 states and 11280 transitions. [2022-10-16 12:46:44,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 12:46:44,544 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 39 [2022-10-16 12:46:44,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:46:44,633 INFO L225 Difference]: With dead ends: 7018 [2022-10-16 12:46:44,633 INFO L226 Difference]: Without dead ends: 4669 [2022-10-16 12:46:44,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 12:46:44,705 INFO L413 NwaCegarLoop]: 3682 mSDtfsCounter, 4249 mSDsluCounter, 7870 mSDsCounter, 0 mSdLazyCounter, 1888 mSolverCounterSat, 2184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4550 SdHoareTripleChecker+Valid, 11552 SdHoareTripleChecker+Invalid, 4072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2184 IncrementalHoareTripleChecker+Valid, 1888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-10-16 12:46:44,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4550 Valid, 11552 Invalid, 4072 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2184 Valid, 1888 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-10-16 12:46:44,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4669 states. [2022-10-16 12:46:45,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4669 to 4357. [2022-10-16 12:46:45,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4357 states, 3259 states have (on average 1.555998772629641) internal successors, (5071), 3414 states have internal predecessors, (5071), 832 states have call successors, (832), 112 states have call predecessors, (832), 112 states have return successors, (832), 832 states have call predecessors, (832), 832 states have call successors, (832) [2022-10-16 12:46:45,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4357 states to 4357 states and 6735 transitions. [2022-10-16 12:46:45,220 INFO L78 Accepts]: Start accepts. Automaton has 4357 states and 6735 transitions. Word has length 39 [2022-10-16 12:46:45,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:46:45,220 INFO L495 AbstractCegarLoop]: Abstraction has 4357 states and 6735 transitions. [2022-10-16 12:46:45,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:46:45,221 INFO L276 IsEmpty]: Start isEmpty. Operand 4357 states and 6735 transitions. [2022-10-16 12:46:45,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-16 12:46:45,226 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:46:45,226 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] [2022-10-16 12:46:45,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 12:46:45,227 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting w83781d_update_deviceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [show_fanErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, show_fanErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, w83781d_read_valueErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 167 more)] === [2022-10-16 12:46:45,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:46:45,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1583226130, now seen corresponding path program 1 times [2022-10-16 12:46:45,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:46:45,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447060396] [2022-10-16 12:46:45,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:46:45,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:46:45,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:45,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:46:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:45,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:46:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:45,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 12:46:45,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:45,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-16 12:46:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:45,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:46:45,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:46:45,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447060396] [2022-10-16 12:46:45,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447060396] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:46:45,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:46:45,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:46:45,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327019149] [2022-10-16 12:46:45,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:46:45,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:46:45,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:46:45,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:46:45,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:46:45,960 INFO L87 Difference]: Start difference. First operand 4357 states and 6735 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:46:48,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:46:52,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:46:54,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:46:58,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:47:00,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:47:02,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:47:02,502 INFO L93 Difference]: Finished difference Result 13369 states and 20885 transitions. [2022-10-16 12:47:02,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 12:47:02,503 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 35 [2022-10-16 12:47:02,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:47:02,594 INFO L225 Difference]: With dead ends: 13369 [2022-10-16 12:47:02,594 INFO L226 Difference]: Without dead ends: 9015 [2022-10-16 12:47:02,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 12:47:02,645 INFO L413 NwaCegarLoop]: 4336 mSDtfsCounter, 4013 mSDsluCounter, 8783 mSDsCounter, 0 mSdLazyCounter, 1907 mSolverCounterSat, 1936 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4309 SdHoareTripleChecker+Valid, 13119 SdHoareTripleChecker+Invalid, 3848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1936 IncrementalHoareTripleChecker+Valid, 1907 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2022-10-16 12:47:02,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4309 Valid, 13119 Invalid, 3848 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1936 Valid, 1907 Invalid, 5 Unknown, 0 Unchecked, 15.7s Time] [2022-10-16 12:47:02,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9015 states. [2022-10-16 12:47:03,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9015 to 8545. [2022-10-16 12:47:03,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8545 states, 6505 states have (on average 1.555880092236741) internal successors, (10121), 6662 states have internal predecessors, (10121), 1662 states have call successors, (1662), 224 states have call predecessors, (1662), 224 states have return successors, (1662), 1662 states have call predecessors, (1662), 1662 states have call successors, (1662) [2022-10-16 12:47:03,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8545 states to 8545 states and 13445 transitions. [2022-10-16 12:47:03,192 INFO L78 Accepts]: Start accepts. Automaton has 8545 states and 13445 transitions. Word has length 35 [2022-10-16 12:47:03,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:47:03,193 INFO L495 AbstractCegarLoop]: Abstraction has 8545 states and 13445 transitions. [2022-10-16 12:47:03,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:47:03,193 INFO L276 IsEmpty]: Start isEmpty. Operand 8545 states and 13445 transitions. [2022-10-16 12:47:03,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-16 12:47:03,196 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:47:03,196 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] [2022-10-16 12:47:03,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 12:47:03,196 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting w83781d_update_deviceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [show_fanErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, show_fanErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, w83781d_read_valueErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 167 more)] === [2022-10-16 12:47:03,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:47:03,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1706104297, now seen corresponding path program 1 times [2022-10-16 12:47:03,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:47:03,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483133112] [2022-10-16 12:47:03,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:47:03,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:47:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:04,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 12:47:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:04,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:04,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:04,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-16 12:47:04,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:04,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 12:47:04,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:04,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:47:04,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:47:04,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483133112] [2022-10-16 12:47:04,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483133112] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:47:04,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:47:04,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:47:04,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707418925] [2022-10-16 12:47:04,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:47:04,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:47:04,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:47:04,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:47:04,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:47:04,061 INFO L87 Difference]: Start difference. First operand 8545 states and 13445 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:47:09,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:47:09,987 INFO L93 Difference]: Finished difference Result 26221 states and 41669 transitions. [2022-10-16 12:47:09,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 12:47:09,988 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2022-10-16 12:47:09,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:47:10,154 INFO L225 Difference]: With dead ends: 26221 [2022-10-16 12:47:10,155 INFO L226 Difference]: Without dead ends: 17679 [2022-10-16 12:47:10,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 12:47:10,221 INFO L413 NwaCegarLoop]: 4335 mSDtfsCounter, 4003 mSDsluCounter, 8795 mSDsCounter, 0 mSdLazyCounter, 1881 mSolverCounterSat, 1952 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4305 SdHoareTripleChecker+Valid, 13130 SdHoareTripleChecker+Invalid, 3833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1952 IncrementalHoareTripleChecker+Valid, 1881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-10-16 12:47:10,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4305 Valid, 13130 Invalid, 3833 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1952 Valid, 1881 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-10-16 12:47:10,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17679 states. [2022-10-16 12:47:11,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17679 to 16893. [2022-10-16 12:47:11,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16893 states, 12975 states have (on average 1.555529865125241) internal successors, (20183), 13136 states have internal predecessors, (20183), 3316 states have call successors, (3316), 448 states have call predecessors, (3316), 448 states have return successors, (3316), 3316 states have call predecessors, (3316), 3316 states have call successors, (3316) [2022-10-16 12:47:11,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16893 states to 16893 states and 26815 transitions. [2022-10-16 12:47:11,223 INFO L78 Accepts]: Start accepts. Automaton has 16893 states and 26815 transitions. Word has length 43 [2022-10-16 12:47:11,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:47:11,223 INFO L495 AbstractCegarLoop]: Abstraction has 16893 states and 26815 transitions. [2022-10-16 12:47:11,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:47:11,226 INFO L276 IsEmpty]: Start isEmpty. Operand 16893 states and 26815 transitions. [2022-10-16 12:47:11,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-16 12:47:11,228 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:47:11,229 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] [2022-10-16 12:47:11,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 12:47:11,229 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting w83781d_update_deviceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [show_fanErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, show_fanErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, w83781d_read_valueErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 167 more)] === [2022-10-16 12:47:11,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:47:11,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1275160721, now seen corresponding path program 1 times [2022-10-16 12:47:11,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:47:11,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993322648] [2022-10-16 12:47:11,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:47:11,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:47:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:11,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 12:47:11,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:11,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:12,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:12,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 12:47:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:12,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 12:47:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:12,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:47:12,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:47:12,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993322648] [2022-10-16 12:47:12,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993322648] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:47:12,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:47:12,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:47:12,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432151067] [2022-10-16 12:47:12,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:47:12,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:47:12,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:47:12,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:47:12,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:47:12,029 INFO L87 Difference]: Start difference. First operand 16893 states and 26815 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:47:18,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:47:18,120 INFO L93 Difference]: Finished difference Result 51857 states and 83111 transitions. [2022-10-16 12:47:18,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 12:47:18,121 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2022-10-16 12:47:18,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:47:18,366 INFO L225 Difference]: With dead ends: 51857 [2022-10-16 12:47:18,366 INFO L226 Difference]: Without dead ends: 34967 [2022-10-16 12:47:18,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 12:47:18,527 INFO L413 NwaCegarLoop]: 4363 mSDtfsCounter, 3996 mSDsluCounter, 8821 mSDsCounter, 0 mSdLazyCounter, 1953 mSolverCounterSat, 1929 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4284 SdHoareTripleChecker+Valid, 13184 SdHoareTripleChecker+Invalid, 3882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1929 IncrementalHoareTripleChecker+Valid, 1953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-10-16 12:47:18,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4284 Valid, 13184 Invalid, 3882 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1929 Valid, 1953 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-10-16 12:47:18,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34967 states. [2022-10-16 12:47:20,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34967 to 33549. [2022-10-16 12:47:20,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33549 states, 25883 states have (on average 1.5551133948924005) internal successors, (40251), 26052 states have internal predecessors, (40251), 6616 states have call successors, (6616), 896 states have call predecessors, (6616), 896 states have return successors, (6616), 6616 states have call predecessors, (6616), 6616 states have call successors, (6616) [2022-10-16 12:47:20,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33549 states to 33549 states and 53483 transitions. [2022-10-16 12:47:20,904 INFO L78 Accepts]: Start accepts. Automaton has 33549 states and 53483 transitions. Word has length 44 [2022-10-16 12:47:20,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:47:20,904 INFO L495 AbstractCegarLoop]: Abstraction has 33549 states and 53483 transitions. [2022-10-16 12:47:20,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:47:20,905 INFO L276 IsEmpty]: Start isEmpty. Operand 33549 states and 53483 transitions. [2022-10-16 12:47:20,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-16 12:47:20,907 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:47:20,907 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] [2022-10-16 12:47:20,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 12:47:20,908 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting w83781d_update_deviceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [show_fanErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, show_fanErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, w83781d_read_valueErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 167 more)] === [2022-10-16 12:47:20,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:47:20,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1852803926, now seen corresponding path program 1 times [2022-10-16 12:47:20,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:47:20,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237410820] [2022-10-16 12:47:20,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:47:20,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:47:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:21,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 12:47:21,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:21,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:21,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 12:47:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:21,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-16 12:47:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:21,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:47:21,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:47:21,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237410820] [2022-10-16 12:47:21,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237410820] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:47:21,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:47:21,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:47:21,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024669393] [2022-10-16 12:47:21,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:47:21,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:47:21,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:47:21,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:47:21,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:47:21,938 INFO L87 Difference]: Start difference. First operand 33549 states and 53483 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:47:28,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:47:31,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:47:31,457 INFO L93 Difference]: Finished difference Result 103073 states and 165899 transitions. [2022-10-16 12:47:31,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 12:47:31,458 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 39 [2022-10-16 12:47:31,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:47:32,263 INFO L225 Difference]: With dead ends: 103073 [2022-10-16 12:47:32,263 INFO L226 Difference]: Without dead ends: 69527 [2022-10-16 12:47:32,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 12:47:32,651 INFO L413 NwaCegarLoop]: 4373 mSDtfsCounter, 4009 mSDsluCounter, 8851 mSDsCounter, 0 mSdLazyCounter, 1904 mSolverCounterSat, 1928 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4306 SdHoareTripleChecker+Valid, 13224 SdHoareTripleChecker+Invalid, 3833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1928 IncrementalHoareTripleChecker+Valid, 1904 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-10-16 12:47:32,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4306 Valid, 13224 Invalid, 3833 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1928 Valid, 1904 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2022-10-16 12:47:32,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69527 states. [2022-10-16 12:47:36,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69527 to 66845. [2022-10-16 12:47:36,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66845 states, 51683 states have (on average 1.554766557668866) internal successors, (80355), 51868 states have internal predecessors, (80355), 13216 states have call successors, (13216), 1792 states have call predecessors, (13216), 1792 states have return successors, (13216), 13216 states have call predecessors, (13216), 13216 states have call successors, (13216) [2022-10-16 12:47:37,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66845 states to 66845 states and 106787 transitions. [2022-10-16 12:47:37,549 INFO L78 Accepts]: Start accepts. Automaton has 66845 states and 106787 transitions. Word has length 39 [2022-10-16 12:47:37,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:47:37,550 INFO L495 AbstractCegarLoop]: Abstraction has 66845 states and 106787 transitions. [2022-10-16 12:47:37,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:47:37,550 INFO L276 IsEmpty]: Start isEmpty. Operand 66845 states and 106787 transitions. [2022-10-16 12:47:37,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-16 12:47:37,553 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:47:37,554 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] [2022-10-16 12:47:37,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 12:47:37,554 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting w83781d_update_deviceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [show_fanErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, show_fanErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, w83781d_read_valueErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 167 more)] === [2022-10-16 12:47:37,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:47:37,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1881498383, now seen corresponding path program 1 times [2022-10-16 12:47:37,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:47:37,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513898318] [2022-10-16 12:47:37,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:47:37,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:47:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:38,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 12:47:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:38,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:38,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-16 12:47:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:38,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 12:47:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:38,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:47:38,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:47:38,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513898318] [2022-10-16 12:47:38,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513898318] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:47:38,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:47:38,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:47:38,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736694502] [2022-10-16 12:47:38,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:47:38,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:47:38,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:47:38,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:47:38,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:47:38,425 INFO L87 Difference]: Start difference. First operand 66845 states and 106787 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:47:47,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:47:50,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:47:50,584 INFO L93 Difference]: Finished difference Result 205265 states and 331011 transitions. [2022-10-16 12:47:50,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 12:47:50,584 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2022-10-16 12:47:50,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:47:51,778 INFO L225 Difference]: With dead ends: 205265 [2022-10-16 12:47:51,779 INFO L226 Difference]: Without dead ends: 138423 [2022-10-16 12:47:52,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 12:47:52,087 INFO L413 NwaCegarLoop]: 4381 mSDtfsCounter, 4001 mSDsluCounter, 8863 mSDsCounter, 0 mSdLazyCounter, 1906 mSolverCounterSat, 1924 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4297 SdHoareTripleChecker+Valid, 13244 SdHoareTripleChecker+Invalid, 3831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1924 IncrementalHoareTripleChecker+Valid, 1906 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-10-16 12:47:52,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4297 Valid, 13244 Invalid, 3831 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1924 Valid, 1906 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2022-10-16 12:47:52,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138423 states. [2022-10-16 12:47:58,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138423 to 133213. [2022-10-16 12:47:58,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133213 states, 103107 states have (on average 1.5542979623109974) internal successors, (160259), 103324 states have internal predecessors, (160259), 26368 states have call successors, (26368), 3584 states have call predecessors, (26368), 3584 states have return successors, (26368), 26368 states have call predecessors, (26368), 26368 states have call successors, (26368) [2022-10-16 12:47:59,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133213 states to 133213 states and 212995 transitions. [2022-10-16 12:47:59,580 INFO L78 Accepts]: Start accepts. Automaton has 133213 states and 212995 transitions. Word has length 41 [2022-10-16 12:47:59,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:47:59,581 INFO L495 AbstractCegarLoop]: Abstraction has 133213 states and 212995 transitions. [2022-10-16 12:47:59,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:47:59,581 INFO L276 IsEmpty]: Start isEmpty. Operand 133213 states and 212995 transitions. [2022-10-16 12:47:59,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-16 12:47:59,583 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:47:59,583 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] [2022-10-16 12:47:59,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 12:47:59,584 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting w83781d_update_deviceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [show_fanErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, show_fanErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, w83781d_read_valueErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 167 more)] === [2022-10-16 12:47:59,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:47:59,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1141371171, now seen corresponding path program 1 times [2022-10-16 12:47:59,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:47:59,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091301302] [2022-10-16 12:47:59,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:47:59,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:48:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:00,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:48:00,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:00,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:00,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:00,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 12:48:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:00,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 12:48:00,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:00,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:48:00,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:48:00,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091301302] [2022-10-16 12:48:00,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091301302] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:48:00,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:48:00,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:48:00,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611536282] [2022-10-16 12:48:00,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:48:00,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:48:00,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:48:00,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:48:00,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:48:00,812 INFO L87 Difference]: Start difference. First operand 133213 states and 212995 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:48:03,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:48:19,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:48:19,421 INFO L93 Difference]: Finished difference Result 409105 states and 660227 transitions. [2022-10-16 12:48:19,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 12:48:19,422 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 48 [2022-10-16 12:48:19,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:48:21,789 INFO L225 Difference]: With dead ends: 409105 [2022-10-16 12:48:21,790 INFO L226 Difference]: Without dead ends: 275895 [2022-10-16 12:48:22,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 12:48:22,717 INFO L413 NwaCegarLoop]: 4397 mSDtfsCounter, 3996 mSDsluCounter, 8889 mSDsCounter, 0 mSdLazyCounter, 1930 mSolverCounterSat, 1937 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4288 SdHoareTripleChecker+Valid, 13286 SdHoareTripleChecker+Invalid, 3868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1937 IncrementalHoareTripleChecker+Valid, 1930 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-10-16 12:48:22,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4288 Valid, 13286 Invalid, 3868 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1937 Valid, 1930 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2022-10-16 12:48:23,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275895 states. [2022-10-16 12:48:35,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275895 to 265629. [2022-10-16 12:48:36,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265629 states, 205699 states have (on average 1.553818929601019) internal successors, (319619), 205980 states have internal predecessors, (319619), 52608 states have call successors, (52608), 7168 states have call predecessors, (52608), 7168 states have return successors, (52608), 52608 states have call predecessors, (52608), 52608 states have call successors, (52608) [2022-10-16 12:48:39,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265629 states to 265629 states and 424835 transitions. [2022-10-16 12:48:39,360 INFO L78 Accepts]: Start accepts. Automaton has 265629 states and 424835 transitions. Word has length 48 [2022-10-16 12:48:39,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:48:39,361 INFO L495 AbstractCegarLoop]: Abstraction has 265629 states and 424835 transitions. [2022-10-16 12:48:39,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:48:39,361 INFO L276 IsEmpty]: Start isEmpty. Operand 265629 states and 424835 transitions. [2022-10-16 12:48:39,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-16 12:48:39,364 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:48:39,365 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] [2022-10-16 12:48:39,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 12:48:39,366 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting w83781d_update_deviceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [show_fanErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, show_fanErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, w83781d_read_valueErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 167 more)] === [2022-10-16 12:48:39,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:48:39,367 INFO L85 PathProgramCache]: Analyzing trace with hash 789156294, now seen corresponding path program 1 times [2022-10-16 12:48:39,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:48:39,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392212157] [2022-10-16 12:48:39,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:48:39,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:48:39,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:39,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 12:48:39,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:39,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:48:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:39,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 12:48:39,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:39,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 12:48:39,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:48:40,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:48:40,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:48:40,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392212157] [2022-10-16 12:48:40,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392212157] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:48:40,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:48:40,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:48:40,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898972670] [2022-10-16 12:48:40,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:48:40,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:48:40,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:48:40,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:48:40,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:48:40,010 INFO L87 Difference]: Start difference. First operand 265629 states and 424835 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:48:59,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:49:01,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:49:17,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:49:17,542 INFO L93 Difference]: Finished difference Result 815825 states and 1316867 transitions. [2022-10-16 12:49:17,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 12:49:17,543 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 38 [2022-10-16 12:49:17,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:49:25,987 INFO L225 Difference]: With dead ends: 815825 [2022-10-16 12:49:25,987 INFO L226 Difference]: Without dead ends: 550199