/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--amc6821.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:06:17,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:06:17,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:06:17,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:06:17,978 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:06:17,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:06:17,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:06:18,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:06:18,018 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:06:18,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:06:18,028 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:06:18,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:06:18,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:06:18,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:06:18,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:06:18,044 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:06:18,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:06:18,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:06:18,052 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:06:18,062 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:06:18,066 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:06:18,068 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:06:18,070 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:06:18,073 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:06:18,084 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:06:18,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:06:18,085 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:06:18,087 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:06:18,088 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:06:18,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:06:18,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:06:18,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:06:18,092 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:06:18,093 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:06:18,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:06:18,095 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:06:18,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:06:18,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:06:18,096 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:06:18,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:06:18,099 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:06:18,100 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:06:18,140 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:06:18,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:06:18,141 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:06:18,141 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:06:18,142 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:06:18,142 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:06:18,143 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:06:18,144 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:06:18,144 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:06:18,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:06:18,145 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:06:18,145 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:06:18,145 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:06:18,145 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:06:18,145 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:06:18,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:06:18,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:06:18,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:06:18,146 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:06:18,147 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:06:18,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:06:18,147 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:06:18,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:06:18,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:06:18,148 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:06:18,148 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:06:18,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:06:18,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:06:18,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:06:18,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:06:18,149 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:06:18,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:06:18,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:06:18,150 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:06:18,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:06:18,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:06:18,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:06:18,566 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:06:18,567 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:06:18,569 INFO L432 ainManager$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--amc6821.ko-main.cil.out.i [2022-10-15 21:06:18,652 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd9543e15/34c1a4fda9e5400dbe0bcac2dd489019/FLAGf0bbefe3b [2022-10-15 21:06:19,711 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:06:19,711 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i [2022-10-15 21:06:19,772 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd9543e15/34c1a4fda9e5400dbe0bcac2dd489019/FLAGf0bbefe3b [2022-10-15 21:06:20,215 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd9543e15/34c1a4fda9e5400dbe0bcac2dd489019 [2022-10-15 21:06:20,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:06:20,225 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:06:20,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:06:20,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:06:20,234 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:06:20,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:06:20" (1/1) ... [2022-10-15 21:06:20,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a939242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:20, skipping insertion in model container [2022-10-15 21:06:20,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:06:20" (1/1) ... [2022-10-15 21:06:20,250 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:06:20,369 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:06:21,596 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--amc6821.ko-main.cil.out.i[139464,139477] [2022-10-15 21:06:21,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:06:21,733 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:06:22,042 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--amc6821.ko-main.cil.out.i[139464,139477] [2022-10-15 21:06:22,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:06:22,393 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:06:22,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:22 WrapperNode [2022-10-15 21:06:22,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:06:22,396 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:06:22,396 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:06:22,397 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:06:22,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:22" (1/1) ... [2022-10-15 21:06:22,490 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:22" (1/1) ... [2022-10-15 21:06:22,699 INFO L138 Inliner]: procedures = 138, calls = 1364, calls flagged for inlining = 60, calls inlined = 52, statements flattened = 3818 [2022-10-15 21:06:22,700 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:06:22,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:06:22,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:06:22,701 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:06:22,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:22" (1/1) ... [2022-10-15 21:06:22,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:22" (1/1) ... [2022-10-15 21:06:22,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:22" (1/1) ... [2022-10-15 21:06:22,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:22" (1/1) ... [2022-10-15 21:06:22,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:22" (1/1) ... [2022-10-15 21:06:22,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:22" (1/1) ... [2022-10-15 21:06:22,908 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:22" (1/1) ... [2022-10-15 21:06:22,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:22" (1/1) ... [2022-10-15 21:06:22,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:06:22,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:06:22,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:06:22,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:06:22,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:22" (1/1) ... [2022-10-15 21:06:22,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:06:23,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:06:23,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 21:06:23,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:06:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure get_pwm1_auto_point_pwm [2022-10-15 21:06:23,117 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pwm1_auto_point_pwm [2022-10-15 21:06:23,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:06:23,117 INFO L130 BoogieDeclarations]: Found specification of procedure get_fan [2022-10-15 21:06:23,117 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fan [2022-10-15 21:06:23,117 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-10-15 21:06:23,117 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-10-15 21:06:23,118 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2022-10-15 21:06:23,118 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2022-10-15 21:06:23,118 INFO L130 BoogieDeclarations]: Found specification of procedure amc6821_detect [2022-10-15 21:06:23,118 INFO L138 BoogieDeclarations]: Found implementation of procedure amc6821_detect [2022-10-15 21:06:23,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:06:23,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:06:23,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:06:23,119 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-15 21:06:23,119 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-15 21:06:23,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:06:23,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:06:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:06:23,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:06:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:06:23,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_amc6821_data [2022-10-15 21:06:23,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_amc6821_data [2022-10-15 21:06:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-15 21:06:23,121 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-15 21:06:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure get_temp_auto_point_temp [2022-10-15 21:06:23,121 INFO L138 BoogieDeclarations]: Found implementation of procedure get_temp_auto_point_temp [2022-10-15 21:06:23,121 INFO L130 BoogieDeclarations]: Found specification of procedure set_slope_register [2022-10-15 21:06:23,122 INFO L138 BoogieDeclarations]: Found implementation of procedure set_slope_register [2022-10-15 21:06:23,122 INFO L130 BoogieDeclarations]: Found specification of procedure get_temp_alarm [2022-10-15 21:06:23,122 INFO L138 BoogieDeclarations]: Found implementation of procedure get_temp_alarm [2022-10-15 21:06:23,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:06:23,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:06:23,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:06:23,123 INFO L130 BoogieDeclarations]: Found specification of procedure SENSORS_LIMIT [2022-10-15 21:06:23,123 INFO L138 BoogieDeclarations]: Found implementation of procedure SENSORS_LIMIT [2022-10-15 21:06:23,123 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2022-10-15 21:06:23,123 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2022-10-15 21:06:23,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:06:23,123 INFO L130 BoogieDeclarations]: Found specification of procedure amc6821_update_device [2022-10-15 21:06:23,124 INFO L138 BoogieDeclarations]: Found implementation of procedure amc6821_update_device [2022-10-15 21:06:23,124 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2022-10-15 21:06:23,124 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2022-10-15 21:06:23,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:06:23,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:06:23,124 INFO L130 BoogieDeclarations]: Found specification of procedure get_temp [2022-10-15 21:06:23,125 INFO L138 BoogieDeclarations]: Found implementation of procedure get_temp [2022-10-15 21:06:23,125 INFO L130 BoogieDeclarations]: Found specification of procedure set_temp [2022-10-15 21:06:23,125 INFO L138 BoogieDeclarations]: Found implementation of procedure set_temp [2022-10-15 21:06:23,125 INFO L130 BoogieDeclarations]: Found specification of procedure set_fan [2022-10-15 21:06:23,125 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fan [2022-10-15 21:06:23,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:06:23,127 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2022-10-15 21:06:23,127 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2022-10-15 21:06:23,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_amc6821_data [2022-10-15 21:06:23,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_amc6821_data [2022-10-15 21:06:23,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:06:23,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:06:23,128 INFO L130 BoogieDeclarations]: Found specification of procedure set_temp_auto_point_temp [2022-10-15 21:06:23,129 INFO L138 BoogieDeclarations]: Found implementation of procedure set_temp_auto_point_temp [2022-10-15 21:06:23,129 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-15 21:06:23,129 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-15 21:06:23,928 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:06:23,932 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:06:27,971 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:06:27,990 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:06:27,990 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 21:06:27,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:06:27 BoogieIcfgContainer [2022-10-15 21:06:27,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:06:27,998 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:06:27,998 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:06:28,002 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:06:28,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:06:20" (1/3) ... [2022-10-15 21:06:28,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7578527d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:06:28, skipping insertion in model container [2022-10-15 21:06:28,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:22" (2/3) ... [2022-10-15 21:06:28,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7578527d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:06:28, skipping insertion in model container [2022-10-15 21:06:28,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:06:27" (3/3) ... [2022-10-15 21:06:28,007 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--amc6821.ko-main.cil.out.i [2022-10-15 21:06:28,031 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:06:28,032 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2022-10-15 21:06:28,169 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:06:28,179 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;@6ac75315, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:06:28,179 INFO L358 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2022-10-15 21:06:28,190 INFO L276 IsEmpty]: Start isEmpty. Operand has 1058 states, 800 states have (on average 1.6025) internal successors, (1282), 868 states have internal predecessors, (1282), 170 states have call successors, (170), 25 states have call predecessors, (170), 25 states have return successors, (170), 170 states have call predecessors, (170), 170 states have call successors, (170) [2022-10-15 21:06:28,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-15 21:06:28,207 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:28,208 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:06:28,209 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [get_tempErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, get_tempErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, set_tempErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-15 21:06:28,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:28,216 INFO L85 PathProgramCache]: Analyzing trace with hash 905046164, now seen corresponding path program 1 times [2022-10-15 21:06:28,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:28,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354320318] [2022-10-15 21:06:28,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:28,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:29,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-15 21:06:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:29,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:06:29,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:29,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354320318] [2022-10-15 21:06:29,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354320318] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:29,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:06:29,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:06:29,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894606656] [2022-10-15 21:06:29,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:29,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:06:29,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:29,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:06:29,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:06:29,265 INFO L87 Difference]: Start difference. First operand has 1058 states, 800 states have (on average 1.6025) internal successors, (1282), 868 states have internal predecessors, (1282), 170 states have call successors, (170), 25 states have call predecessors, (170), 25 states have return successors, (170), 170 states have call predecessors, (170), 170 states have call successors, (170) Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:06:31,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:31,193 INFO L93 Difference]: Finished difference Result 3197 states and 5175 transitions. [2022-10-15 21:06:31,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:06:31,197 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-10-15 21:06:31,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:31,268 INFO L225 Difference]: With dead ends: 3197 [2022-10-15 21:06:31,268 INFO L226 Difference]: Without dead ends: 2106 [2022-10-15 21:06:31,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:06:31,302 INFO L413 NwaCegarLoop]: 2115 mSDtfsCounter, 1620 mSDsluCounter, 3056 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 341 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1740 SdHoareTripleChecker+Valid, 5171 SdHoareTripleChecker+Invalid, 917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 341 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-15 21:06:31,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1740 Valid, 5171 Invalid, 917 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [341 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-15 21:06:31,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2106 states. [2022-10-15 21:06:31,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2106 to 1834. [2022-10-15 21:06:31,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1834 states, 1450 states have (on average 1.4724137931034482) internal successors, (2135), 1483 states have internal predecessors, (2135), 304 states have call successors, (304), 46 states have call predecessors, (304), 46 states have return successors, (304), 304 states have call predecessors, (304), 304 states have call successors, (304) [2022-10-15 21:06:31,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1834 states to 1834 states and 2743 transitions. [2022-10-15 21:06:31,657 INFO L78 Accepts]: Start accepts. Automaton has 1834 states and 2743 transitions. Word has length 20 [2022-10-15 21:06:31,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:06:31,658 INFO L495 AbstractCegarLoop]: Abstraction has 1834 states and 2743 transitions. [2022-10-15 21:06:31,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:06:31,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1834 states and 2743 transitions. [2022-10-15 21:06:31,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-15 21:06:31,663 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:31,664 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] [2022-10-15 21:06:31,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:06:31,664 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting amc6821_update_deviceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [get_tempErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, get_tempErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, set_tempErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-15 21:06:31,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:31,665 INFO L85 PathProgramCache]: Analyzing trace with hash 239040836, now seen corresponding path program 1 times [2022-10-15 21:06:31,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:31,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914440816] [2022-10-15 21:06:31,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:31,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:31,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:32,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 21:06:32,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:32,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:06:32,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:32,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 21:06:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:32,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-15 21:06:32,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:32,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:06:32,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:32,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914440816] [2022-10-15 21:06:32,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914440816] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:32,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:06:32,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:06:32,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645350609] [2022-10-15 21:06:32,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:32,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:06:32,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:32,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:06:32,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:06:32,090 INFO L87 Difference]: Start difference. First operand 1834 states and 2743 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, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-15 21:06:34,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:34,751 INFO L93 Difference]: Finished difference Result 5954 states and 8965 transitions. [2022-10-15 21:06:34,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:06:34,752 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, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 37 [2022-10-15 21:06:34,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:34,789 INFO L225 Difference]: With dead ends: 5954 [2022-10-15 21:06:34,789 INFO L226 Difference]: Without dead ends: 4123 [2022-10-15 21:06:34,803 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 [2022-10-15 21:06:34,805 INFO L413 NwaCegarLoop]: 2264 mSDtfsCounter, 1888 mSDsluCounter, 4424 mSDsCounter, 0 mSdLazyCounter, 1077 mSolverCounterSat, 693 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2019 SdHoareTripleChecker+Valid, 6688 SdHoareTripleChecker+Invalid, 1770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 693 IncrementalHoareTripleChecker+Valid, 1077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:06:34,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2019 Valid, 6688 Invalid, 1770 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [693 Valid, 1077 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-15 21:06:34,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4123 states. [2022-10-15 21:06:35,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4123 to 3617. [2022-10-15 21:06:35,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3617 states, 2885 states have (on average 1.47209705372617) internal successors, (4247), 2918 states have internal predecessors, (4247), 606 states have call successors, (606), 92 states have call predecessors, (606), 92 states have return successors, (606), 606 states have call predecessors, (606), 606 states have call successors, (606) [2022-10-15 21:06:35,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3617 states to 3617 states and 5459 transitions. [2022-10-15 21:06:35,067 INFO L78 Accepts]: Start accepts. Automaton has 3617 states and 5459 transitions. Word has length 37 [2022-10-15 21:06:35,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:06:35,067 INFO L495 AbstractCegarLoop]: Abstraction has 3617 states and 5459 transitions. [2022-10-15 21:06:35,068 INFO L496 AbstractCegarLoop]: INTERPOLANT 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, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-15 21:06:35,068 INFO L276 IsEmpty]: Start isEmpty. Operand 3617 states and 5459 transitions. [2022-10-15 21:06:35,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-15 21:06:35,071 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:35,071 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] [2022-10-15 21:06:35,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:06:35,072 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting amc6821_update_deviceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [get_tempErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, get_tempErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, set_tempErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-15 21:06:35,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:35,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1463417697, now seen corresponding path program 1 times [2022-10-15 21:06:35,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:35,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598727066] [2022-10-15 21:06:35,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:35,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:35,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:35,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-15 21:06:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:35,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:06:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:35,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-15 21:06:35,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:35,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-15 21:06:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:35,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:06:35,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:35,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598727066] [2022-10-15 21:06:35,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598727066] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:35,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:06:35,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:06:35,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715923085] [2022-10-15 21:06:35,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:35,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:06:35,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:35,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:06:35,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:06:35,573 INFO L87 Difference]: Start difference. First operand 3617 states and 5459 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-15 21:06:38,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:38,228 INFO L93 Difference]: Finished difference Result 11729 states and 17843 transitions. [2022-10-15 21:06:38,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:06:38,230 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 36 [2022-10-15 21:06:38,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:38,312 INFO L225 Difference]: With dead ends: 11729 [2022-10-15 21:06:38,312 INFO L226 Difference]: Without dead ends: 8115 [2022-10-15 21:06:38,355 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 [2022-10-15 21:06:38,360 INFO L413 NwaCegarLoop]: 2292 mSDtfsCounter, 1893 mSDsluCounter, 4555 mSDsCounter, 0 mSdLazyCounter, 1075 mSolverCounterSat, 678 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2025 SdHoareTripleChecker+Valid, 6847 SdHoareTripleChecker+Invalid, 1753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 678 IncrementalHoareTripleChecker+Valid, 1075 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:06:38,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2025 Valid, 6847 Invalid, 1753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [678 Valid, 1075 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-15 21:06:38,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8115 states. [2022-10-15 21:06:38,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8115 to 7165. [2022-10-15 21:06:38,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7165 states, 5739 states have (on average 1.4711622233838648) internal successors, (8443), 5772 states have internal predecessors, (8443), 1208 states have call successors, (1208), 184 states have call predecessors, (1208), 184 states have return successors, (1208), 1208 states have call predecessors, (1208), 1208 states have call successors, (1208) [2022-10-15 21:06:38,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7165 states to 7165 states and 10859 transitions. [2022-10-15 21:06:38,976 INFO L78 Accepts]: Start accepts. Automaton has 7165 states and 10859 transitions. Word has length 36 [2022-10-15 21:06:38,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:06:38,977 INFO L495 AbstractCegarLoop]: Abstraction has 7165 states and 10859 transitions. [2022-10-15 21:06:38,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-15 21:06:38,978 INFO L276 IsEmpty]: Start isEmpty. Operand 7165 states and 10859 transitions. [2022-10-15 21:06:38,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-15 21:06:38,984 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:38,984 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] [2022-10-15 21:06:38,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:06:38,988 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting amc6821_update_deviceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [get_tempErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, get_tempErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, set_tempErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-15 21:06:38,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:38,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1987729793, now seen corresponding path program 1 times [2022-10-15 21:06:38,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:38,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043387139] [2022-10-15 21:06:38,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:38,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:39,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:06:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:39,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:06:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:39,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-15 21:06:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:39,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-15 21:06:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:39,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:06:39,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:39,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043387139] [2022-10-15 21:06:39,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043387139] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:39,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:06:39,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:06:39,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567210088] [2022-10-15 21:06:39,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:39,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:06:39,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:39,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:06:39,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:06:39,402 INFO L87 Difference]: Start difference. First operand 7165 states and 10859 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) [2022-10-15 21:06:42,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:42,361 INFO L93 Difference]: Finished difference Result 23245 states and 35531 transitions. [2022-10-15 21:06:42,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:06:42,362 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 [2022-10-15 21:06:42,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:42,503 INFO L225 Difference]: With dead ends: 23245 [2022-10-15 21:06:42,503 INFO L226 Difference]: Without dead ends: 16083 [2022-10-15 21:06:42,560 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 [2022-10-15 21:06:42,561 INFO L413 NwaCegarLoop]: 2302 mSDtfsCounter, 1893 mSDsluCounter, 4566 mSDsCounter, 0 mSdLazyCounter, 1074 mSolverCounterSat, 676 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2026 SdHoareTripleChecker+Valid, 6868 SdHoareTripleChecker+Invalid, 1750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 676 IncrementalHoareTripleChecker+Valid, 1074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:06:42,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2026 Valid, 6868 Invalid, 1750 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [676 Valid, 1074 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-15 21:06:42,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16083 states. [2022-10-15 21:06:43,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16083 to 14245. [2022-10-15 21:06:43,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14245 states, 11435 states have (on average 1.470135548753826) internal successors, (16811), 11468 states have internal predecessors, (16811), 2408 states have call successors, (2408), 368 states have call predecessors, (2408), 368 states have return successors, (2408), 2408 states have call predecessors, (2408), 2408 states have call successors, (2408) [2022-10-15 21:06:43,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14245 states to 14245 states and 21627 transitions. [2022-10-15 21:06:43,694 INFO L78 Accepts]: Start accepts. Automaton has 14245 states and 21627 transitions. Word has length 41 [2022-10-15 21:06:43,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:06:43,697 INFO L495 AbstractCegarLoop]: Abstraction has 14245 states and 21627 transitions. [2022-10-15 21:06:43,697 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) [2022-10-15 21:06:43,698 INFO L276 IsEmpty]: Start isEmpty. Operand 14245 states and 21627 transitions. [2022-10-15 21:06:43,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-15 21:06:43,699 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:43,699 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] [2022-10-15 21:06:43,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:06:43,703 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting amc6821_update_deviceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [get_tempErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, get_tempErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, set_tempErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-15 21:06:43,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:43,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1617662444, now seen corresponding path program 1 times [2022-10-15 21:06:43,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:43,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212077157] [2022-10-15 21:06:43,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:43,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:44,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-15 21:06:44,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:44,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:06:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:44,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-15 21:06:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:44,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-15 21:06:44,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:44,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:06:44,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:44,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212077157] [2022-10-15 21:06:44,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212077157] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:44,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:06:44,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:06:44,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416909987] [2022-10-15 21:06:44,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:44,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:06:44,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:44,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:06:44,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:06:44,196 INFO L87 Difference]: Start difference. First operand 14245 states and 21627 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2022-10-15 21:06:47,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:47,826 INFO L93 Difference]: Finished difference Result 46213 states and 70795 transitions. [2022-10-15 21:06:47,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:06:47,827 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 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 40 [2022-10-15 21:06:47,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:48,069 INFO L225 Difference]: With dead ends: 46213 [2022-10-15 21:06:48,070 INFO L226 Difference]: Without dead ends: 31971 [2022-10-15 21:06:48,153 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 [2022-10-15 21:06:48,155 INFO L413 NwaCegarLoop]: 2319 mSDtfsCounter, 1894 mSDsluCounter, 4595 mSDsCounter, 0 mSdLazyCounter, 1075 mSolverCounterSat, 672 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2027 SdHoareTripleChecker+Valid, 6914 SdHoareTripleChecker+Invalid, 1747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 672 IncrementalHoareTripleChecker+Valid, 1075 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:06:48,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2027 Valid, 6914 Invalid, 1747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [672 Valid, 1075 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-15 21:06:48,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31971 states. [2022-10-15 21:06:49,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31971 to 28357. [2022-10-15 21:06:50,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28357 states, 22787 states have (on average 1.4690393645499626) internal successors, (33475), 22820 states have internal predecessors, (33475), 4800 states have call successors, (4800), 736 states have call predecessors, (4800), 736 states have return successors, (4800), 4800 states have call predecessors, (4800), 4800 states have call successors, (4800) [2022-10-15 21:06:50,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28357 states to 28357 states and 43075 transitions. [2022-10-15 21:06:50,187 INFO L78 Accepts]: Start accepts. Automaton has 28357 states and 43075 transitions. Word has length 40 [2022-10-15 21:06:50,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:06:50,188 INFO L495 AbstractCegarLoop]: Abstraction has 28357 states and 43075 transitions. [2022-10-15 21:06:50,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2022-10-15 21:06:50,189 INFO L276 IsEmpty]: Start isEmpty. Operand 28357 states and 43075 transitions. [2022-10-15 21:06:50,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-15 21:06:50,196 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:50,197 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] [2022-10-15 21:06:50,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 21:06:50,197 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting amc6821_update_deviceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [get_tempErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, get_tempErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, set_tempErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-15 21:06:50,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:50,199 INFO L85 PathProgramCache]: Analyzing trace with hash -421081223, now seen corresponding path program 1 times [2022-10-15 21:06:50,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:50,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110373469] [2022-10-15 21:06:50,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:50,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:50,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:50,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 21:06:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:50,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:06:50,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:50,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 21:06:50,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:50,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-15 21:06:50,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:50,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:06:50,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:50,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110373469] [2022-10-15 21:06:50,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110373469] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:50,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:06:50,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:06:50,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227086286] [2022-10-15 21:06:50,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:50,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:06:50,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:50,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:06:50,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:06:50,677 INFO L87 Difference]: Start difference. First operand 28357 states and 43075 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 3 states have internal predecessors, (27), 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) [2022-10-15 21:06:55,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:55,242 INFO L93 Difference]: Finished difference Result 92005 states and 141027 transitions. [2022-10-15 21:06:55,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:06:55,242 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 3 states have internal predecessors, (27), 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 37 [2022-10-15 21:06:55,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:55,826 INFO L225 Difference]: With dead ends: 92005 [2022-10-15 21:06:55,827 INFO L226 Difference]: Without dead ends: 63651 [2022-10-15 21:06:55,964 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 [2022-10-15 21:06:55,969 INFO L413 NwaCegarLoop]: 2206 mSDtfsCounter, 1881 mSDsluCounter, 4394 mSDsCounter, 0 mSdLazyCounter, 1056 mSolverCounterSat, 697 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2014 SdHoareTripleChecker+Valid, 6600 SdHoareTripleChecker+Invalid, 1753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 697 IncrementalHoareTripleChecker+Valid, 1056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:06:55,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2014 Valid, 6600 Invalid, 1753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [697 Valid, 1056 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-15 21:06:56,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63651 states. [2022-10-15 21:06:59,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63651 to 56485. [2022-10-15 21:06:59,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56485 states, 45411 states have (on average 1.4679042522736783) internal successors, (66659), 45444 states have internal predecessors, (66659), 9568 states have call successors, (9568), 1472 states have call predecessors, (9568), 1472 states have return successors, (9568), 9568 states have call predecessors, (9568), 9568 states have call successors, (9568) [2022-10-15 21:07:00,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56485 states to 56485 states and 85795 transitions. [2022-10-15 21:07:00,081 INFO L78 Accepts]: Start accepts. Automaton has 56485 states and 85795 transitions. Word has length 37 [2022-10-15 21:07:00,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:07:00,081 INFO L495 AbstractCegarLoop]: Abstraction has 56485 states and 85795 transitions. [2022-10-15 21:07:00,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 3 states have internal predecessors, (27), 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) [2022-10-15 21:07:00,082 INFO L276 IsEmpty]: Start isEmpty. Operand 56485 states and 85795 transitions. [2022-10-15 21:07:00,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-15 21:07:00,084 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:07:00,084 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] [2022-10-15 21:07:00,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 21:07:00,085 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting set_tempErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [get_tempErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, get_tempErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, set_tempErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-15 21:07:00,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:07:00,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1495032870, now seen corresponding path program 1 times [2022-10-15 21:07:00,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:07:00,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819273589] [2022-10-15 21:07:00,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:07:00,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:07:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:00,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-15 21:07:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:00,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:07:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:00,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-15 21:07:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:00,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:07:00,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:07:00,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819273589] [2022-10-15 21:07:00,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819273589] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:07:00,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:07:00,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:07:00,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469193120] [2022-10-15 21:07:00,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:07:00,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:07:00,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:07:00,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:07:00,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:07:00,556 INFO L87 Difference]: Start difference. First operand 56485 states and 85795 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)