/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 [2022-10-15 21:06:36,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:06:36,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:06:36,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:06:36,954 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:06:36,955 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:06:36,957 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:06:36,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:06:36,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:06:36,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:06:36,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:06:36,989 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:06:36,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:06:36,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:06:36,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:06:37,001 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:06:37,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:06:37,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:06:37,012 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:06:37,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:06:37,023 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:06:37,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:06:37,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:06:37,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:06:37,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:06:37,032 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:06:37,032 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:06:37,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:06:37,034 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:06:37,035 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:06:37,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:06:37,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:06:37,038 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:06:37,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:06:37,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:06:37,040 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:06:37,041 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:06:37,041 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:06:37,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:06:37,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:06:37,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:06:37,045 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 21:06:37,087 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:06:37,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:06:37,089 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:06:37,089 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:06:37,090 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:06:37,090 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:06:37,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:06:37,095 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:06:37,095 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:06:37,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:06:37,095 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:06:37,096 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:06:37,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:06:37,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:06:37,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:06:37,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:06:37,098 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:06:37,098 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:06:37,098 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:06:37,099 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:06:37,099 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:06:37,099 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:06:37,099 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:06:37,099 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:06:37,100 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:06:37,100 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:06:37,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:06:37,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:06:37,101 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:06:37,101 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:06:37,101 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:06:37,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:06:37,102 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:06:37,102 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:06:37,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:06:37,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:06:37,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:06:37,570 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:06:37,571 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:06:37,572 INFO L432 ainManager$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 [2022-10-15 21:06:37,662 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcc0032fb/15a3f433dc84488c87214c1c60b78e3d/FLAG60636a9dd [2022-10-15 21:06:38,836 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:06:38,837 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 [2022-10-15 21:06:38,882 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcc0032fb/15a3f433dc84488c87214c1c60b78e3d/FLAG60636a9dd [2022-10-15 21:06:39,178 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcc0032fb/15a3f433dc84488c87214c1c60b78e3d [2022-10-15 21:06:39,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:06:39,187 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:06:39,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:06:39,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:06:39,198 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:06:39,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:06:39" (1/1) ... [2022-10-15 21:06:39,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d810c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:39, skipping insertion in model container [2022-10-15 21:06:39,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:06:39" (1/1) ... [2022-10-15 21:06:39,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:06:39,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:06:41,066 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] [2022-10-15 21:06:41,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:06:41,365 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:06:41,923 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] [2022-10-15 21:06:41,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:06:42,296 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:06:42,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:42 WrapperNode [2022-10-15 21:06:42,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:06:42,299 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:06:42,299 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:06:42,299 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:06:42,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:42" (1/1) ... [2022-10-15 21:06:42,459 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:42" (1/1) ... [2022-10-15 21:06:42,855 INFO L138 Inliner]: procedures = 206, calls = 2928, calls flagged for inlining = 89, calls inlined = 81, statements flattened = 8073 [2022-10-15 21:06:42,856 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:06:42,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:06:42,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:06:42,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:06:42,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:42" (1/1) ... [2022-10-15 21:06:42,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:42" (1/1) ... [2022-10-15 21:06:42,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:42" (1/1) ... [2022-10-15 21:06:42,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:42" (1/1) ... [2022-10-15 21:06:43,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:42" (1/1) ... [2022-10-15 21:06:43,270 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:42" (1/1) ... [2022-10-15 21:06:43,341 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:42" (1/1) ... [2022-10-15 21:06:43,372 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:42" (1/1) ... [2022-10-15 21:06:43,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:06:43,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:06:43,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:06:43,426 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:06:43,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:42" (1/1) ... [2022-10-15 21:06:43,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:06:43,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:06:43,479 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 21:06:43,565 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 21:06:43,617 INFO L130 BoogieDeclarations]: Found specification of procedure w83781d_read_value [2022-10-15 21:06:43,618 INFO L138 BoogieDeclarations]: Found implementation of procedure w83781d_read_value [2022-10-15 21:06:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_max [2022-10-15 21:06:43,618 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_max [2022-10-15 21:06:43,618 INFO L130 BoogieDeclarations]: Found specification of procedure w83781d_detect [2022-10-15 21:06:43,618 INFO L138 BoogieDeclarations]: Found implementation of procedure w83781d_detect [2022-10-15 21:06:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_TO_REG [2022-10-15 21:06:43,619 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_TO_REG [2022-10-15 21:06:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure store_beep [2022-10-15 21:06:43,619 INFO L138 BoogieDeclarations]: Found implementation of procedure store_beep [2022-10-15 21:06:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:06:43,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:06:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwm [2022-10-15 21:06:43,620 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwm [2022-10-15 21:06:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure store_in_min [2022-10-15 21:06:43,620 INFO L138 BoogieDeclarations]: Found implementation of procedure store_in_min [2022-10-15 21:06:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure store_fan_div [2022-10-15 21:06:43,620 INFO L138 BoogieDeclarations]: Found implementation of procedure store_fan_div [2022-10-15 21:06:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure LM75_TEMP_FROM_REG [2022-10-15 21:06:43,620 INFO L138 BoogieDeclarations]: Found implementation of procedure LM75_TEMP_FROM_REG [2022-10-15 21:06:43,621 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-15 21:06:43,621 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-15 21:06:43,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:06:43,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:06:43,621 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2022-10-15 21:06:43,621 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2022-10-15 21:06:43,621 INFO L130 BoogieDeclarations]: Found specification of procedure show_sensor [2022-10-15 21:06:43,621 INFO L138 BoogieDeclarations]: Found implementation of procedure show_sensor [2022-10-15 21:06:43,622 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-15 21:06:43,622 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-15 21:06:43,622 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_min [2022-10-15 21:06:43,622 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_min [2022-10-15 21:06:43,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:06:43,622 INFO L130 BoogieDeclarations]: Found specification of procedure store_temp_max_hyst [2022-10-15 21:06:43,622 INFO L138 BoogieDeclarations]: Found implementation of procedure store_temp_max_hyst [2022-10-15 21:06:43,623 INFO L130 BoogieDeclarations]: Found specification of procedure show_alarm [2022-10-15 21:06:43,623 INFO L138 BoogieDeclarations]: Found implementation of procedure show_alarm [2022-10-15 21:06:43,623 INFO L130 BoogieDeclarations]: Found specification of procedure SENSORS_LIMIT [2022-10-15 21:06:43,623 INFO L138 BoogieDeclarations]: Found implementation of procedure SENSORS_LIMIT [2022-10-15 21:06:43,623 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2022-10-15 21:06:43,623 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2022-10-15 21:06:43,623 INFO L130 BoogieDeclarations]: Found specification of procedure w83781d_isa_unregister [2022-10-15 21:06:43,623 INFO L138 BoogieDeclarations]: Found implementation of procedure w83781d_isa_unregister [2022-10-15 21:06:43,624 INFO L130 BoogieDeclarations]: Found specification of procedure show_in [2022-10-15 21:06:43,624 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in [2022-10-15 21:06:43,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:06:43,624 INFO L130 BoogieDeclarations]: Found specification of procedure show_beep [2022-10-15 21:06:43,624 INFO L138 BoogieDeclarations]: Found implementation of procedure show_beep [2022-10-15 21:06:43,624 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2022-10-15 21:06:43,624 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2022-10-15 21:06:43,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:06:43,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:06:43,626 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_unregister_device [2022-10-15 21:06:43,626 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_unregister_device [2022-10-15 21:06:43,626 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-10-15 21:06:43,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-10-15 21:06:43,627 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm [2022-10-15 21:06:43,627 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm [2022-10-15 21:06:43,627 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_FROM_REG [2022-10-15 21:06:43,627 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_FROM_REG [2022-10-15 21:06:43,627 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-10-15 21:06:43,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-10-15 21:06:43,628 INFO L130 BoogieDeclarations]: Found specification of procedure store_sensor [2022-10-15 21:06:43,628 INFO L138 BoogieDeclarations]: Found implementation of procedure store_sensor [2022-10-15 21:06:43,628 INFO L130 BoogieDeclarations]: Found specification of procedure w83781d_update_device [2022-10-15 21:06:43,628 INFO L138 BoogieDeclarations]: Found implementation of procedure w83781d_update_device [2022-10-15 21:06:43,628 INFO L130 BoogieDeclarations]: Found specification of procedure w83781d_remove_files [2022-10-15 21:06:43,629 INFO L138 BoogieDeclarations]: Found implementation of procedure w83781d_remove_files [2022-10-15 21:06:43,629 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan [2022-10-15 21:06:43,630 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan [2022-10-15 21:06:43,630 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-10-15 21:06:43,630 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-10-15 21:06:43,631 INFO L130 BoogieDeclarations]: Found specification of procedure store_in_max [2022-10-15 21:06:43,631 INFO L138 BoogieDeclarations]: Found implementation of procedure store_in_max [2022-10-15 21:06:43,631 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_word_swapped [2022-10-15 21:06:43,631 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_word_swapped [2022-10-15 21:06:43,632 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2022-10-15 21:06:43,632 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2022-10-15 21:06:43,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_w83781d_data [2022-10-15 21:06:43,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_w83781d_data [2022-10-15 21:06:43,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:06:43,633 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-10-15 21:06:43,633 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-10-15 21:06:43,633 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2022-10-15 21:06:43,633 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2022-10-15 21:06:43,633 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_word_swapped [2022-10-15 21:06:43,633 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_word_swapped [2022-10-15 21:06:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_div [2022-10-15 21:06:43,634 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_div [2022-10-15 21:06:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure LM75_TEMP_TO_REG [2022-10-15 21:06:43,635 INFO L138 BoogieDeclarations]: Found implementation of procedure LM75_TEMP_TO_REG [2022-10-15 21:06:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:06:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_w83781d_data [2022-10-15 21:06:43,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_w83781d_data [2022-10-15 21:06:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp [2022-10-15 21:06:43,637 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp [2022-10-15 21:06:43,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:06:43,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:06:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_w83781d_data [2022-10-15 21:06:43,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_w83781d_data [2022-10-15 21:06:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure store_temp_max [2022-10-15 21:06:43,638 INFO L138 BoogieDeclarations]: Found implementation of procedure store_temp_max [2022-10-15 21:06:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure w83781d_write_value [2022-10-15 21:06:43,638 INFO L138 BoogieDeclarations]: Found implementation of procedure w83781d_write_value [2022-10-15 21:06:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:06:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_min [2022-10-15 21:06:43,639 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_min [2022-10-15 21:06:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:06:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure store_fan_min [2022-10-15 21:06:43,639 INFO L138 BoogieDeclarations]: Found implementation of procedure store_fan_min [2022-10-15 21:06:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:06:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_w83781d_data [2022-10-15 21:06:43,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_w83781d_data [2022-10-15 21:06:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp_max [2022-10-15 21:06:43,640 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp_max [2022-10-15 21:06:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp_max_hyst [2022-10-15 21:06:43,640 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp_max_hyst [2022-10-15 21:06:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-10-15 21:06:43,641 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-10-15 21:06:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:06:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2022-10-15 21:06:43,642 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2022-10-15 21:06:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:06:43,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:06:43,647 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-15 21:06:43,653 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-15 21:06:44,629 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:06:44,633 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:06:54,366 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:06:54,390 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:06:54,390 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 21:06:54,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:06:54 BoogieIcfgContainer [2022-10-15 21:06:54,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:06:54,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:06:54,400 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:06:54,404 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:06:54,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:06:39" (1/3) ... [2022-10-15 21:06:54,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@209e0a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:06:54, skipping insertion in model container [2022-10-15 21:06:54,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:42" (2/3) ... [2022-10-15 21:06:54,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@209e0a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:06:54, skipping insertion in model container [2022-10-15 21:06:54,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:06:54" (3/3) ... [2022-10-15 21:06:54,408 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83781d.ko-main.cil.out.i [2022-10-15 21:06:54,432 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:06:54,433 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 170 error locations. [2022-10-15 21:06:54,551 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:06:54,561 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;@e710d2f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:06:54,561 INFO L358 AbstractCegarLoop]: Starting to check reachability of 170 error locations. [2022-10-15 21:06:54,580 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) [2022-10-15 21:06:54,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-15 21:06:54,619 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:54,620 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] [2022-10-15 21:06:54,621 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)] === [2022-10-15 21:06:54,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:54,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1314138299, now seen corresponding path program 1 times [2022-10-15 21:06:54,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:54,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660104810] [2022-10-15 21:06:54,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:54,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:55,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:56,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-15 21:06:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:56,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:06:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:56,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-15 21:06:56,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:56,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 21:06:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:56,227 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 21:06:56,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:56,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660104810] [2022-10-15 21:06:56,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660104810] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:56,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:06:56,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:06:56,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132577806] [2022-10-15 21:06:56,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:56,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:06:56,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:56,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:06:56,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:06:56,300 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) [2022-10-15 21:07:00,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:07:04,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:07:04,756 INFO L93 Difference]: Finished difference Result 7018 states and 11280 transitions. [2022-10-15 21:07:04,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:07:04,761 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 [2022-10-15 21:07:04,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:07:04,829 INFO L225 Difference]: With dead ends: 7018 [2022-10-15 21:07:04,829 INFO L226 Difference]: Without dead ends: 4669 [2022-10-15 21:07:04,883 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 21:07:04,887 INFO L413 NwaCegarLoop]: 3695 mSDtfsCounter, 4243 mSDsluCounter, 7870 mSDsCounter, 0 mSdLazyCounter, 1960 mSolverCounterSat, 2165 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4531 SdHoareTripleChecker+Valid, 11565 SdHoareTripleChecker+Invalid, 4126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2165 IncrementalHoareTripleChecker+Valid, 1960 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-10-15 21:07:04,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4531 Valid, 11565 Invalid, 4126 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2165 Valid, 1960 Invalid, 1 Unknown, 0 Unchecked, 7.7s Time] [2022-10-15 21:07:04,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4669 states. [2022-10-15 21:07:05,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4669 to 4357. [2022-10-15 21:07:05,221 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) [2022-10-15 21:07:05,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4357 states to 4357 states and 6735 transitions. [2022-10-15 21:07:05,299 INFO L78 Accepts]: Start accepts. Automaton has 4357 states and 6735 transitions. Word has length 39 [2022-10-15 21:07:05,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:07:05,301 INFO L495 AbstractCegarLoop]: Abstraction has 4357 states and 6735 transitions. [2022-10-15 21:07:05,301 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) [2022-10-15 21:07:05,302 INFO L276 IsEmpty]: Start isEmpty. Operand 4357 states and 6735 transitions. [2022-10-15 21:07:05,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-15 21:07:05,311 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:07:05,311 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] [2022-10-15 21:07:05,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:07:05,313 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)] === [2022-10-15 21:07:05,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:07:05,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1583226130, now seen corresponding path program 1 times [2022-10-15 21:07:05,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:07:05,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717455472] [2022-10-15 21:07:05,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:07:05,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:07:05,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:06,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-15 21:07:06,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:06,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:07:06,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:06,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 21:07:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:06,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-15 21:07:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:06,293 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 21:07:06,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:07:06,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717455472] [2022-10-15 21:07:06,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717455472] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:07:06,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:07:06,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:07:06,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113533238] [2022-10-15 21:07:06,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:07:06,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:07:06,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:07:06,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:07:06,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:07:06,299 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) [2022-10-15 21:07:08,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:07:12,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:07:16,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:07:16,750 INFO L93 Difference]: Finished difference Result 13369 states and 20885 transitions. [2022-10-15 21:07:16,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:07:16,751 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 [2022-10-15 21:07:16,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:07:16,845 INFO L225 Difference]: With dead ends: 13369 [2022-10-15 21:07:16,846 INFO L226 Difference]: Without dead ends: 9015 [2022-10-15 21:07:16,888 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 [2022-10-15 21:07:16,890 INFO L413 NwaCegarLoop]: 4331 mSDtfsCounter, 4015 mSDsluCounter, 8783 mSDsCounter, 0 mSdLazyCounter, 1917 mSolverCounterSat, 1955 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4310 SdHoareTripleChecker+Valid, 13114 SdHoareTripleChecker+Invalid, 3874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1955 IncrementalHoareTripleChecker+Valid, 1917 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-10-15 21:07:16,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4310 Valid, 13114 Invalid, 3874 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1955 Valid, 1917 Invalid, 2 Unknown, 0 Unchecked, 9.7s Time] [2022-10-15 21:07:16,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9015 states. [2022-10-15 21:07:17,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9015 to 8545. [2022-10-15 21:07:17,446 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) [2022-10-15 21:07:17,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8545 states to 8545 states and 13445 transitions. [2022-10-15 21:07:17,510 INFO L78 Accepts]: Start accepts. Automaton has 8545 states and 13445 transitions. Word has length 35 [2022-10-15 21:07:17,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:07:17,516 INFO L495 AbstractCegarLoop]: Abstraction has 8545 states and 13445 transitions. [2022-10-15 21:07:17,517 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) [2022-10-15 21:07:17,520 INFO L276 IsEmpty]: Start isEmpty. Operand 8545 states and 13445 transitions. [2022-10-15 21:07:17,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-15 21:07:17,526 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:07:17,526 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] [2022-10-15 21:07:17,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:07:17,527 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)] === [2022-10-15 21:07:17,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:07:17,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1706104297, now seen corresponding path program 1 times [2022-10-15 21:07:17,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:07:17,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385923944] [2022-10-15 21:07:17,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:07:17,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:07:17,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:18,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:07:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:18,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:07:18,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:18,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-15 21:07:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:18,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 21:07:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:18,378 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 21:07:18,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:07:18,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385923944] [2022-10-15 21:07:18,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385923944] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:07:18,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:07:18,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:07:18,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5818987] [2022-10-15 21:07:18,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:07:18,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:07:18,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:07:18,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:07:18,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:07:18,382 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) [2022-10-15 21:07:24,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:07:24,240 INFO L93 Difference]: Finished difference Result 26221 states and 41669 transitions. [2022-10-15 21:07:24,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:07:24,241 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 [2022-10-15 21:07:24,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:07:24,396 INFO L225 Difference]: With dead ends: 26221 [2022-10-15 21:07:24,396 INFO L226 Difference]: Without dead ends: 17679 [2022-10-15 21:07:24,466 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 [2022-10-15 21:07:24,467 INFO L413 NwaCegarLoop]: 4349 mSDtfsCounter, 3997 mSDsluCounter, 8795 mSDsCounter, 0 mSdLazyCounter, 1956 mSolverCounterSat, 1933 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4285 SdHoareTripleChecker+Valid, 13144 SdHoareTripleChecker+Invalid, 3889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1933 IncrementalHoareTripleChecker+Valid, 1956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-10-15 21:07:24,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4285 Valid, 13144 Invalid, 3889 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1933 Valid, 1956 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-10-15 21:07:24,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17679 states. [2022-10-15 21:07:25,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17679 to 16893. [2022-10-15 21:07:25,588 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) [2022-10-15 21:07:25,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16893 states to 16893 states and 26815 transitions. [2022-10-15 21:07:25,700 INFO L78 Accepts]: Start accepts. Automaton has 16893 states and 26815 transitions. Word has length 43 [2022-10-15 21:07:25,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:07:25,701 INFO L495 AbstractCegarLoop]: Abstraction has 16893 states and 26815 transitions. [2022-10-15 21:07:25,702 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) [2022-10-15 21:07:25,702 INFO L276 IsEmpty]: Start isEmpty. Operand 16893 states and 26815 transitions. [2022-10-15 21:07:25,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-15 21:07:25,706 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:07:25,706 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] [2022-10-15 21:07:25,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:07:25,707 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)] === [2022-10-15 21:07:25,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:07:25,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1275160721, now seen corresponding path program 1 times [2022-10-15 21:07:25,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:07:25,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78277195] [2022-10-15 21:07:25,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:07:25,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:07:26,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:26,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:07:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:26,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:07:26,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:26,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:07:26,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:26,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-15 21:07:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:26,706 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 21:07:26,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:07:26,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78277195] [2022-10-15 21:07:26,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78277195] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:07:26,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:07:26,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:07:26,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273846134] [2022-10-15 21:07:26,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:07:26,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:07:26,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:07:26,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:07:26,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:07:26,710 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)