/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--max16065.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:06:29,338 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:06:29,343 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:06:29,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:06:29,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:06:29,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:06:29,427 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:06:29,430 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:06:29,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:06:29,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:06:29,436 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:06:29,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:06:29,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:06:29,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:06:29,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:06:29,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:06:29,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:06:29,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:06:29,449 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:06:29,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:06:29,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:06:29,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:06:29,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:06:29,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:06:29,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:06:29,465 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:06:29,465 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:06:29,467 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:06:29,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:06:29,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:06:29,469 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:06:29,471 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:06:29,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:06:29,474 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:06:29,476 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:06:29,476 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:06:29,477 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:06:29,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:06:29,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:06:29,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:06:29,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:06:29,482 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 21:06:29,517 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:06:29,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:06:29,518 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:06:29,518 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:06:29,519 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:06:29,520 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:06:29,521 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:06:29,521 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:06:29,522 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:06:29,522 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:06:29,523 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:06:29,523 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:06:29,523 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:06:29,524 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:06:29,525 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:06:29,525 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:06:29,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:06:29,526 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:06:29,526 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:06:29,527 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:06:29,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:06:29,527 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:06:29,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:06:29,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:06:29,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:06:29,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:06:29,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:06:29,530 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:06:29,530 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:06:29,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:06:29,531 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:06:29,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:06:29,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:06:29,532 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:06:30,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:06:30,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:06:30,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:06:30,262 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:06:30,263 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:06:30,265 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2022-10-15 21:06:30,372 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a6304ba0/ca70f7eb3bdb470990b20887df3e17ee/FLAG3c2d1cd85 [2022-10-15 21:06:31,697 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:06:31,698 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2022-10-15 21:06:31,767 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a6304ba0/ca70f7eb3bdb470990b20887df3e17ee/FLAG3c2d1cd85 [2022-10-15 21:06:31,990 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a6304ba0/ca70f7eb3bdb470990b20887df3e17ee [2022-10-15 21:06:31,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:06:32,005 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:06:32,014 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:06:32,015 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:06:32,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:06:32,026 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:06:31" (1/1) ... [2022-10-15 21:06:32,028 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50746fcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:32, skipping insertion in model container [2022-10-15 21:06:32,028 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:06:31" (1/1) ... [2022-10-15 21:06:32,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:06:32,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:06:33,803 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--max16065.ko-main.cil.out.i[168201,168214] [2022-10-15 21:06:33,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:06:34,111 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:06:34,513 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--max16065.ko-main.cil.out.i[168201,168214] [2022-10-15 21:06:34,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:06:35,067 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:06:35,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:35 WrapperNode [2022-10-15 21:06:35,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:06:35,070 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:06:35,070 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:06:35,070 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:06:35,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:35" (1/1) ... [2022-10-15 21:06:35,203 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:35" (1/1) ... [2022-10-15 21:06:35,495 INFO L138 Inliner]: procedures = 115, calls = 2009, calls flagged for inlining = 45, calls inlined = 37, statements flattened = 5291 [2022-10-15 21:06:35,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:06:35,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:06:35,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:06:35,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:06:35,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:35" (1/1) ... [2022-10-15 21:06:35,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:35" (1/1) ... [2022-10-15 21:06:35,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:35" (1/1) ... [2022-10-15 21:06:35,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:35" (1/1) ... [2022-10-15 21:06:35,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:35" (1/1) ... [2022-10-15 21:06:35,717 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:35" (1/1) ... [2022-10-15 21:06:35,755 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:35" (1/1) ... [2022-10-15 21:06:35,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:35" (1/1) ... [2022-10-15 21:06:35,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:06:35,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:06:35,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:06:35,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:06:35,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:35" (1/1) ... [2022-10-15 21:06:35,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:06:35,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:06:35,870 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 21:06:35,893 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 21:06:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_set_limit [2022-10-15 21:06:35,970 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_set_limit [2022-10-15 21:06:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:06:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-10-15 21:06:35,971 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-10-15 21:06:35,971 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2022-10-15 21:06:35,971 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2022-10-15 21:06:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_limit [2022-10-15 21:06:35,972 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_limit [2022-10-15 21:06:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_update_device [2022-10-15 21:06:35,972 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_update_device [2022-10-15 21:06:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_input [2022-10-15 21:06:35,972 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_input [2022-10-15 21:06:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_read_adc [2022-10-15 21:06:35,973 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_read_adc [2022-10-15 21:06:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:06:35,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:06:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_max16065_data [2022-10-15 21:06:35,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_max16065_data [2022-10-15 21:06:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_alarm [2022-10-15 21:06:35,974 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_alarm [2022-10-15 21:06:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure LIMIT_TO_MV [2022-10-15 21:06:35,974 INFO L138 BoogieDeclarations]: Found implementation of procedure LIMIT_TO_MV [2022-10-15 21:06:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:06:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-15 21:06:35,975 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-15 21:06:35,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:06:35,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:06:35,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:06:35,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:06:35,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:06:35,975 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-15 21:06:35,976 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-15 21:06:35,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:06:35,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:06:35,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:06:35,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_max16065_data [2022-10-15 21:06:35,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_max16065_data [2022-10-15 21:06:35,977 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2022-10-15 21:06:35,977 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2022-10-15 21:06:35,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:06:35,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:06:35,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:06:35,978 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_cleanup [2022-10-15 21:06:35,979 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_cleanup [2022-10-15 21:06:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:06:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2022-10-15 21:06:35,979 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2022-10-15 21:06:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:06:35,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:06:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_file [2022-10-15 21:06:35,981 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_file [2022-10-15 21:06:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-15 21:06:35,981 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-15 21:06:36,877 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:06:36,883 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:06:43,752 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:06:43,778 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:06:43,778 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 21:06:43,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:06:43 BoogieIcfgContainer [2022-10-15 21:06:43,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:06:43,787 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:06:43,788 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:06:43,793 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:06:43,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:06:31" (1/3) ... [2022-10-15 21:06:43,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed4870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:06:43, skipping insertion in model container [2022-10-15 21:06:43,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:35" (2/3) ... [2022-10-15 21:06:43,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed4870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:06:43, skipping insertion in model container [2022-10-15 21:06:43,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:06:43" (3/3) ... [2022-10-15 21:06:43,798 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2022-10-15 21:06:43,830 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:06:43,830 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 80 error locations. [2022-10-15 21:06:43,949 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:06:43,960 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;@503506f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:06:43,960 INFO L358 AbstractCegarLoop]: Starting to check reachability of 80 error locations. [2022-10-15 21:06:43,972 INFO L276 IsEmpty]: Start isEmpty. Operand has 1254 states, 970 states have (on average 1.6402061855670103) internal successors, (1591), 1056 states have internal predecessors, (1591), 182 states have call successors, (182), 21 states have call predecessors, (182), 21 states have return successors, (182), 182 states have call predecessors, (182), 182 states have call successors, (182) [2022-10-15 21:06:43,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-15 21:06:43,997 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:43,998 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] [2022-10-15 21:06:44,000 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting max16065_set_limitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [LIMIT_TO_MVErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, LIMIT_TO_MVErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, LIMIT_TO_MVErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 77 more)] === [2022-10-15 21:06:44,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:44,009 INFO L85 PathProgramCache]: Analyzing trace with hash -157805363, now seen corresponding path program 1 times [2022-10-15 21:06:44,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:44,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219580373] [2022-10-15 21:06:44,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:44,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:45,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 21:06:45,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:45,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:06:45,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:45,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-15 21:06:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:45,493 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 21:06:45,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:45,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219580373] [2022-10-15 21:06:45,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219580373] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:45,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:06:45,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:06:45,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926649549] [2022-10-15 21:06:45,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:45,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:06:45,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:45,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:06:45,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:06:45,566 INFO L87 Difference]: Start difference. First operand has 1254 states, 970 states have (on average 1.6402061855670103) internal successors, (1591), 1056 states have internal predecessors, (1591), 182 states have call successors, (182), 21 states have call predecessors, (182), 21 states have return successors, (182), 182 states have call predecessors, (182), 182 states have call successors, (182) Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 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) [2022-10-15 21:06:48,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:48,027 INFO L93 Difference]: Finished difference Result 3924 states and 6499 transitions. [2022-10-15 21:06:48,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:06:48,031 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 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) Word has length 34 [2022-10-15 21:06:48,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:48,074 INFO L225 Difference]: With dead ends: 3924 [2022-10-15 21:06:48,075 INFO L226 Difference]: Without dead ends: 2637 [2022-10-15 21:06:48,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 21:06:48,105 INFO L413 NwaCegarLoop]: 2329 mSDtfsCounter, 2159 mSDsluCounter, 3650 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 428 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2216 SdHoareTripleChecker+Valid, 5979 SdHoareTripleChecker+Invalid, 863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 428 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-15 21:06:48,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2216 Valid, 5979 Invalid, 863 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [428 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-15 21:06:48,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2637 states. [2022-10-15 21:06:48,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2637 to 2373. [2022-10-15 21:06:48,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2373 states, 1905 states have (on average 1.637270341207349) internal successors, (3119), 1982 states have internal predecessors, (3119), 350 states have call successors, (350), 40 states have call predecessors, (350), 40 states have return successors, (350), 350 states have call predecessors, (350), 350 states have call successors, (350) [2022-10-15 21:06:48,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2373 states to 2373 states and 3819 transitions. [2022-10-15 21:06:48,469 INFO L78 Accepts]: Start accepts. Automaton has 2373 states and 3819 transitions. Word has length 34 [2022-10-15 21:06:48,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:06:48,470 INFO L495 AbstractCegarLoop]: Abstraction has 2373 states and 3819 transitions. [2022-10-15 21:06:48,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 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) [2022-10-15 21:06:48,470 INFO L276 IsEmpty]: Start isEmpty. Operand 2373 states and 3819 transitions. [2022-10-15 21:06:48,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-15 21:06:48,483 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:48,484 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] [2022-10-15 21:06:48,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:06:48,484 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting max16065_set_limitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [LIMIT_TO_MVErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, LIMIT_TO_MVErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, LIMIT_TO_MVErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 77 more)] === [2022-10-15 21:06:48,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:48,486 INFO L85 PathProgramCache]: Analyzing trace with hash -421026092, now seen corresponding path program 1 times [2022-10-15 21:06:48,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:48,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707050552] [2022-10-15 21:06:48,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:48,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:49,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-15 21:06:49,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:49,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:06:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:49,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:06:49,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:49,451 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 21:06:49,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:49,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707050552] [2022-10-15 21:06:49,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707050552] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:49,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:06:49,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:06:49,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307491353] [2022-10-15 21:06:49,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:49,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:06:49,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:49,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:06:49,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:06:49,463 INFO L87 Difference]: Start difference. First operand 2373 states and 3819 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 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) [2022-10-15 21:06:51,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:51,194 INFO L93 Difference]: Finished difference Result 7429 states and 12185 transitions. [2022-10-15 21:06:51,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:06:51,196 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 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) Word has length 33 [2022-10-15 21:06:51,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:51,236 INFO L225 Difference]: With dead ends: 7429 [2022-10-15 21:06:51,237 INFO L226 Difference]: Without dead ends: 5059 [2022-10-15 21:06:51,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 21:06:51,258 INFO L413 NwaCegarLoop]: 2176 mSDtfsCounter, 2160 mSDsluCounter, 3505 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 422 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2279 SdHoareTripleChecker+Valid, 5681 SdHoareTripleChecker+Invalid, 849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 422 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-15 21:06:51,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2279 Valid, 5681 Invalid, 849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [422 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-15 21:06:51,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5059 states. [2022-10-15 21:06:51,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5059 to 4645. [2022-10-15 21:06:51,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4645 states, 3791 states have (on average 1.6372988657346346) internal successors, (6207), 3868 states have internal predecessors, (6207), 696 states have call successors, (696), 80 states have call predecessors, (696), 80 states have return successors, (696), 696 states have call predecessors, (696), 696 states have call successors, (696) [2022-10-15 21:06:51,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4645 states to 4645 states and 7599 transitions. [2022-10-15 21:06:51,709 INFO L78 Accepts]: Start accepts. Automaton has 4645 states and 7599 transitions. Word has length 33 [2022-10-15 21:06:51,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:06:51,710 INFO L495 AbstractCegarLoop]: Abstraction has 4645 states and 7599 transitions. [2022-10-15 21:06:51,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 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) [2022-10-15 21:06:51,711 INFO L276 IsEmpty]: Start isEmpty. Operand 4645 states and 7599 transitions. [2022-10-15 21:06:51,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-15 21:06:51,714 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:51,714 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 21:06:51,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:06:51,718 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting max16065_set_limitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [LIMIT_TO_MVErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, LIMIT_TO_MVErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, LIMIT_TO_MVErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 77 more)] === [2022-10-15 21:06:51,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:51,724 INFO L85 PathProgramCache]: Analyzing trace with hash 918391783, now seen corresponding path program 1 times [2022-10-15 21:06:51,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:51,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091395671] [2022-10-15 21:06:51,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:51,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:52,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:06:52,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:52,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:06:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:52,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-15 21:06:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:52,842 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 21:06:52,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:52,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091395671] [2022-10-15 21:06:52,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091395671] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:52,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:06:52,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:06:52,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028631641] [2022-10-15 21:06:52,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:52,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:06:52,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:52,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:06:52,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:06:52,848 INFO L87 Difference]: Start difference. First operand 4645 states and 7599 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 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) [2022-10-15 21:06:55,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:55,302 INFO L93 Difference]: Finished difference Result 14525 states and 24255 transitions. [2022-10-15 21:06:55,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:06:55,303 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 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) Word has length 41 [2022-10-15 21:06:55,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:55,396 INFO L225 Difference]: With dead ends: 14525 [2022-10-15 21:06:55,396 INFO L226 Difference]: Without dead ends: 9883 [2022-10-15 21:06:55,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 21:06:55,434 INFO L413 NwaCegarLoop]: 2318 mSDtfsCounter, 2144 mSDsluCounter, 3721 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 405 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2216 SdHoareTripleChecker+Valid, 6039 SdHoareTripleChecker+Invalid, 836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 405 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-15 21:06:55,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2216 Valid, 6039 Invalid, 836 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [405 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-15 21:06:55,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9883 states. [2022-10-15 21:06:56,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9883 to 9169. [2022-10-15 21:06:56,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9169 states, 7547 states have (on average 1.637074334172519) internal successors, (12355), 7624 states have internal predecessors, (12355), 1384 states have call successors, (1384), 160 states have call predecessors, (1384), 160 states have return successors, (1384), 1384 states have call predecessors, (1384), 1384 states have call successors, (1384) [2022-10-15 21:06:56,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9169 states to 9169 states and 15123 transitions. [2022-10-15 21:06:56,231 INFO L78 Accepts]: Start accepts. Automaton has 9169 states and 15123 transitions. Word has length 41 [2022-10-15 21:06:56,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:06:56,232 INFO L495 AbstractCegarLoop]: Abstraction has 9169 states and 15123 transitions. [2022-10-15 21:06:56,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 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) [2022-10-15 21:06:56,233 INFO L276 IsEmpty]: Start isEmpty. Operand 9169 states and 15123 transitions. [2022-10-15 21:06:56,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-15 21:06:56,236 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:56,236 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] [2022-10-15 21:06:56,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:06:56,237 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting max16065_set_limitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [LIMIT_TO_MVErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, LIMIT_TO_MVErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, LIMIT_TO_MVErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 77 more)] === [2022-10-15 21:06:56,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:56,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1873541715, now seen corresponding path program 1 times [2022-10-15 21:06:56,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:56,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740143640] [2022-10-15 21:06:56,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:56,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:56,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:06:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:57,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:06:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:57,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-15 21:06:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:57,024 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 21:06:57,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:57,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740143640] [2022-10-15 21:06:57,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740143640] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:57,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:06:57,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:06:57,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049222954] [2022-10-15 21:06:57,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:57,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:06:57,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:57,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:06:57,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:06:57,029 INFO L87 Difference]: Start difference. First operand 9169 states and 15123 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 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) [2022-10-15 21:06:59,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:59,909 INFO L93 Difference]: Finished difference Result 28657 states and 48283 transitions. [2022-10-15 21:06:59,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:06:59,910 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 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) Word has length 42 [2022-10-15 21:06:59,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:07:00,243 INFO L225 Difference]: With dead ends: 28657 [2022-10-15 21:07:00,243 INFO L226 Difference]: Without dead ends: 19491 [2022-10-15 21:07:00,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 21:07:00,307 INFO L413 NwaCegarLoop]: 2243 mSDtfsCounter, 2135 mSDsluCounter, 3564 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 410 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2240 SdHoareTripleChecker+Valid, 5807 SdHoareTripleChecker+Invalid, 839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 410 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-15 21:07:00,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2240 Valid, 5807 Invalid, 839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [410 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-15 21:07:00,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19491 states. [2022-10-15 21:07:01,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19491 to 18177. [2022-10-15 21:07:01,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18177 states, 15027 states have (on average 1.6367205696413123) internal successors, (24595), 15104 states have internal predecessors, (24595), 2752 states have call successors, (2752), 320 states have call predecessors, (2752), 320 states have return successors, (2752), 2752 states have call predecessors, (2752), 2752 states have call successors, (2752) [2022-10-15 21:07:02,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18177 states to 18177 states and 30099 transitions. [2022-10-15 21:07:02,034 INFO L78 Accepts]: Start accepts. Automaton has 18177 states and 30099 transitions. Word has length 42 [2022-10-15 21:07:02,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:07:02,035 INFO L495 AbstractCegarLoop]: Abstraction has 18177 states and 30099 transitions. [2022-10-15 21:07:02,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 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) [2022-10-15 21:07:02,037 INFO L276 IsEmpty]: Start isEmpty. Operand 18177 states and 30099 transitions. [2022-10-15 21:07:02,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-15 21:07:02,043 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:07:02,043 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] [2022-10-15 21:07:02,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:07:02,044 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting max16065_set_limitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [LIMIT_TO_MVErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, LIMIT_TO_MVErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, LIMIT_TO_MVErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 77 more)] === [2022-10-15 21:07:02,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:07:02,045 INFO L85 PathProgramCache]: Analyzing trace with hash -971750151, now seen corresponding path program 1 times [2022-10-15 21:07:02,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:07:02,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608908343] [2022-10-15 21:07:02,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:07:02,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:07:02,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:02,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 21:07:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:02,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:07:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:02,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-15 21:07:02,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:02,997 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 21:07:02,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:07:03,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608908343] [2022-10-15 21:07:03,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608908343] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:07:03,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:07:03,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:07:03,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216123560] [2022-10-15 21:07:03,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:07:03,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:07:03,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:07:03,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:07:03,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:07:03,004 INFO L87 Difference]: Start difference. First operand 18177 states and 30099 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-10-15 21:07:06,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:07:06,826 INFO L93 Difference]: Finished difference Result 56801 states and 96115 transitions. [2022-10-15 21:07:06,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:07:06,828 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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) Word has length 31 [2022-10-15 21:07:06,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:07:07,314 INFO L225 Difference]: With dead ends: 56801 [2022-10-15 21:07:07,314 INFO L226 Difference]: Without dead ends: 38627 [2022-10-15 21:07:07,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 21:07:07,447 INFO L413 NwaCegarLoop]: 2249 mSDtfsCounter, 2191 mSDsluCounter, 3609 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 421 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2264 SdHoareTripleChecker+Valid, 5858 SdHoareTripleChecker+Invalid, 850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 421 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-15 21:07:07,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2264 Valid, 5858 Invalid, 850 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [421 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-15 21:07:07,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38627 states. [2022-10-15 21:07:10,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38627 to 36113. [2022-10-15 21:07:10,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36113 states, 29923 states have (on average 1.6362998362463657) internal successors, (48963), 30000 states have internal predecessors, (48963), 5472 states have call successors, (5472), 640 states have call predecessors, (5472), 640 states have return successors, (5472), 5472 states have call predecessors, (5472), 5472 states have call successors, (5472) [2022-10-15 21:07:11,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36113 states to 36113 states and 59907 transitions. [2022-10-15 21:07:11,459 INFO L78 Accepts]: Start accepts. Automaton has 36113 states and 59907 transitions. Word has length 31 [2022-10-15 21:07:11,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:07:11,460 INFO L495 AbstractCegarLoop]: Abstraction has 36113 states and 59907 transitions. [2022-10-15 21:07:11,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-10-15 21:07:11,462 INFO L276 IsEmpty]: Start isEmpty. Operand 36113 states and 59907 transitions. [2022-10-15 21:07:11,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-15 21:07:11,464 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:07:11,464 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:07:11,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 21:07:11,465 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting max16065_set_limitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [LIMIT_TO_MVErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, LIMIT_TO_MVErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, LIMIT_TO_MVErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 77 more)] === [2022-10-15 21:07:11,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:07:11,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1047139220, now seen corresponding path program 1 times [2022-10-15 21:07:11,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:07:11,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421227378] [2022-10-15 21:07:11,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:07:11,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:07:11,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:12,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:07:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:12,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:07:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:12,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-15 21:07:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:12,509 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 21:07:12,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:07:12,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421227378] [2022-10-15 21:07:12,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421227378] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:07:12,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:07:12,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:07:12,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663658014] [2022-10-15 21:07:12,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:07:12,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:07:12,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:07:12,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:07:12,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:07:12,515 INFO L87 Difference]: Start difference. First operand 36113 states and 59907 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 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)