/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-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:17:23,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:17:23,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:17:24,038 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:17:24,039 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:17:24,044 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:17:24,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:17:24,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:17:24,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:17:24,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:17:24,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:17:24,079 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:17:24,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:17:24,083 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:17:24,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:17:24,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:17:24,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:17:24,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:17:24,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:17:24,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:17:24,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:17:24,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:17:24,126 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:17:24,128 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:17:24,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:17:24,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:17:24,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:17:24,144 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:17:24,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:17:24,148 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:17:24,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:17:24,150 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:17:24,152 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:17:24,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:17:24,155 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:17:24,156 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:17:24,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:17:24,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:17:24,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:17:24,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:17:24,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:17:24,162 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 21:17:24,229 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:17:24,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:17:24,231 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:17:24,231 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:17:24,233 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:17:24,234 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:17:24,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:17:24,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:17:24,239 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:17:24,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:17:24,241 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:17:24,242 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:17:24,242 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:17:24,242 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:17:24,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:17:24,244 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:17:24,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:17:24,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:17:24,244 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:17:24,245 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:17:24,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:17:24,245 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:17:24,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:17:24,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:17:24,247 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:17:24,247 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:17:24,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:17:24,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:17:24,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:17:24,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:17:24,249 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:17:24,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:17:24,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:17:24,251 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:17:24,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:17:24,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:17:24,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:17:24,871 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:17:24,872 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:17:24,875 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2022-10-15 21:17:24,993 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65846f2a4/82650945d4fe4dce8a953df769557e47/FLAG602afe65d [2022-10-15 21:17:26,102 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:17:26,103 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2022-10-15 21:17:26,149 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65846f2a4/82650945d4fe4dce8a953df769557e47/FLAG602afe65d [2022-10-15 21:17:26,617 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65846f2a4/82650945d4fe4dce8a953df769557e47 [2022-10-15 21:17:26,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:17:26,628 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:17:26,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:17:26,634 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:17:26,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:17:26,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:17:26" (1/1) ... [2022-10-15 21:17:26,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@403133cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:17:26, skipping insertion in model container [2022-10-15 21:17:26,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:17:26" (1/1) ... [2022-10-15 21:17:26,657 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:17:26,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:17:27,242 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2550] [2022-10-15 21:17:27,243 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2551-2552] [2022-10-15 21:17:27,474 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-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i[83666,83679] [2022-10-15 21:17:27,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:17:28,024 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:17:28,227 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2550] [2022-10-15 21:17:28,229 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2551-2552] [2022-10-15 21:17:28,269 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-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i[83666,83679] [2022-10-15 21:17:28,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:17:28,669 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:17:28,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:17:28 WrapperNode [2022-10-15 21:17:28,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:17:28,673 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:17:28,673 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:17:28,673 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:17:28,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:17:28" (1/1) ... [2022-10-15 21:17:28,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:17:28" (1/1) ... [2022-10-15 21:17:29,938 INFO L138 Inliner]: procedures = 118, calls = 651, calls flagged for inlining = 40, calls inlined = 38, statements flattened = 1768 [2022-10-15 21:17:29,939 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:17:29,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:17:29,940 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:17:29,940 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:17:29,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:17:28" (1/1) ... [2022-10-15 21:17:29,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:17:28" (1/1) ... [2022-10-15 21:17:30,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:17:28" (1/1) ... [2022-10-15 21:17:30,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:17:28" (1/1) ... [2022-10-15 21:17:31,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:17:28" (1/1) ... [2022-10-15 21:17:31,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:17:28" (1/1) ... [2022-10-15 21:17:31,414 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:17:28" (1/1) ... [2022-10-15 21:17:31,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:17:28" (1/1) ... [2022-10-15 21:17:31,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:17:31,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:17:31,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:17:31,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:17:31,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:17:28" (1/1) ... [2022-10-15 21:17:31,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:17:31,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:17:31,796 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 21:17:31,817 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 21:17:31,870 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_trigger [2022-10-15 21:17:31,871 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_trigger [2022-10-15 21:17:31,871 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-10-15 21:17:31,871 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-10-15 21:17:31,871 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2022-10-15 21:17:31,872 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2022-10-15 21:17:31,872 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-15 21:17:31,872 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-15 21:17:31,872 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight16 [2022-10-15 21:17:31,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight16 [2022-10-15 21:17:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-15 21:17:31,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-15 21:17:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:17:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_get_drvdata [2022-10-15 21:17:31,873 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_get_drvdata [2022-10-15 21:17:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_read [2022-10-15 21:17:31,874 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_read [2022-10-15 21:17:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:17:31,874 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:17:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-10-15 21:17:31,874 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-10-15 21:17:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_open [2022-10-15 21:17:31,875 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_open [2022-10-15 21:17:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-10-15 21:17:31,875 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-10-15 21:17:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:17:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-10-15 21:17:31,876 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-10-15 21:17:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2022-10-15 21:17:31,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2022-10-15 21:17:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-10-15 21:17:31,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-10-15 21:17:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:17:31,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:17:31,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:17:31,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:17:31,877 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-15 21:17:31,877 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-15 21:17:31,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:17:31,878 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2022-10-15 21:17:31,878 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2022-10-15 21:17:31,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:17:31,878 INFO L130 BoogieDeclarations]: Found specification of procedure analog_poll [2022-10-15 21:17:31,878 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_poll [2022-10-15 21:17:31,879 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-15 21:17:31,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-15 21:17:31,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:17:31,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:17:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2022-10-15 21:17:31,880 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2022-10-15 21:17:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2022-10-15 21:17:31,880 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2022-10-15 21:17:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 21:17:31,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 21:17:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-10-15 21:17:31,881 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-10-15 21:17:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_drvdata [2022-10-15 21:17:31,881 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_drvdata [2022-10-15 21:17:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:17:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure analog_decode [2022-10-15 21:17:31,882 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_decode [2022-10-15 21:17:31,882 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-10-15 21:17:31,882 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-10-15 21:17:31,882 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight8 [2022-10-15 21:17:31,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight8 [2022-10-15 21:17:31,882 INFO L130 BoogieDeclarations]: Found specification of procedure analog_button_read [2022-10-15 21:17:31,883 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_button_read [2022-10-15 21:17:31,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:17:31,883 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-10-15 21:17:31,883 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-10-15 21:17:31,883 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2022-10-15 21:17:31,883 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2022-10-15 21:17:31,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:17:31,884 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2022-10-15 21:17:31,884 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2022-10-15 21:17:31,884 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_close [2022-10-15 21:17:31,884 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_close [2022-10-15 21:17:31,884 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_time [2022-10-15 21:17:31,885 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_time [2022-10-15 21:17:31,885 INFO L130 BoogieDeclarations]: Found specification of procedure analog_disconnect [2022-10-15 21:17:31,885 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_disconnect [2022-10-15 21:17:31,885 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-15 21:17:31,885 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-15 21:17:31,885 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-15 21:17:31,886 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-15 21:17:31,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:17:31,886 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_cooked_read [2022-10-15 21:17:31,886 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_cooked_read [2022-10-15 21:17:31,886 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2022-10-15 21:17:31,886 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2022-10-15 21:17:31,887 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2022-10-15 21:17:31,887 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2022-10-15 21:17:31,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-15 21:17:31,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-15 21:17:31,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:17:31,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:17:31,887 INFO L130 BoogieDeclarations]: Found specification of procedure analog_cooked_read [2022-10-15 21:17:31,888 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_cooked_read [2022-10-15 21:17:31,888 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2022-10-15 21:17:31,888 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2022-10-15 21:17:32,503 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:17:32,509 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:17:32,997 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-15 21:18:00,345 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:18:00,376 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:18:00,377 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-15 21:18:00,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:18:00 BoogieIcfgContainer [2022-10-15 21:18:00,384 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:18:00,389 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:18:00,389 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:18:00,394 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:18:00,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:17:26" (1/3) ... [2022-10-15 21:18:00,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7404ec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:18:00, skipping insertion in model container [2022-10-15 21:18:00,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:17:28" (2/3) ... [2022-10-15 21:18:00,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7404ec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:18:00, skipping insertion in model container [2022-10-15 21:18:00,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:18:00" (3/3) ... [2022-10-15 21:18:00,398 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2022-10-15 21:18:00,425 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:18:00,426 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 206 error locations. [2022-10-15 21:18:00,558 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:18:00,567 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;@2aeaf8e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:18:00,568 INFO L358 AbstractCegarLoop]: Starting to check reachability of 206 error locations. [2022-10-15 21:18:00,583 INFO L276 IsEmpty]: Start isEmpty. Operand has 1037 states, 653 states have (on average 1.557427258805513) internal successors, (1017), 874 states have internal predecessors, (1017), 135 states have call successors, (135), 44 states have call predecessors, (135), 43 states have return successors, (132), 127 states have call predecessors, (132), 132 states have call successors, (132) [2022-10-15 21:18:00,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-15 21:18:00,600 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:18:00,602 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:18:00,603 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr86ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_pollErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 203 more)] === [2022-10-15 21:18:00,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:18:00,612 INFO L85 PathProgramCache]: Analyzing trace with hash -576587384, now seen corresponding path program 1 times [2022-10-15 21:18:00,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:18:00,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175464481] [2022-10-15 21:18:00,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:18:00,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:18:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:18:01,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:18:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:18:01,317 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 21:18:01,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:18:01,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175464481] [2022-10-15 21:18:01,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175464481] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:18:01,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:18:01,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:18:01,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840790108] [2022-10-15 21:18:01,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:18:01,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:18:01,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:18:01,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:18:01,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:18:01,374 INFO L87 Difference]: Start difference. First operand has 1037 states, 653 states have (on average 1.557427258805513) internal successors, (1017), 874 states have internal predecessors, (1017), 135 states have call successors, (135), 44 states have call predecessors, (135), 43 states have return successors, (132), 127 states have call predecessors, (132), 132 states have call successors, (132) Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:18:04,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:18:04,005 INFO L93 Difference]: Finished difference Result 2125 states and 2671 transitions. [2022-10-15 21:18:04,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:18:04,009 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2022-10-15 21:18:04,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:18:04,035 INFO L225 Difference]: With dead ends: 2125 [2022-10-15 21:18:04,036 INFO L226 Difference]: Without dead ends: 1064 [2022-10-15 21:18:04,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:18:04,056 INFO L413 NwaCegarLoop]: 1192 mSDtfsCounter, 415 mSDsluCounter, 1330 mSDsCounter, 0 mSdLazyCounter, 759 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 2522 SdHoareTripleChecker+Invalid, 899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:18:04,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 2522 Invalid, 899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 759 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-15 21:18:04,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states. [2022-10-15 21:18:04,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 1049. [2022-10-15 21:18:04,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1049 states, 682 states have (on average 1.5234604105571847) internal successors, (1039), 883 states have internal predecessors, (1039), 131 states have call successors, (131), 44 states have call predecessors, (131), 44 states have return successors, (131), 126 states have call predecessors, (131), 131 states have call successors, (131) [2022-10-15 21:18:04,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 1049 states and 1301 transitions. [2022-10-15 21:18:04,254 INFO L78 Accepts]: Start accepts. Automaton has 1049 states and 1301 transitions. Word has length 18 [2022-10-15 21:18:04,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:18:04,255 INFO L495 AbstractCegarLoop]: Abstraction has 1049 states and 1301 transitions. [2022-10-15 21:18:04,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:18:04,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 1301 transitions. [2022-10-15 21:18:04,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-15 21:18:04,257 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:18:04,258 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:18:04,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:18:04,258 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr94ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_pollErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 203 more)] === [2022-10-15 21:18:04,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:18:04,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1294262669, now seen corresponding path program 1 times [2022-10-15 21:18:04,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:18:04,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747728043] [2022-10-15 21:18:04,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:18:04,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:18:04,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:18:04,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:18:04,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:18:04,561 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 21:18:04,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:18:04,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747728043] [2022-10-15 21:18:04,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747728043] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:18:04,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:18:04,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:18:04,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114818923] [2022-10-15 21:18:04,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:18:04,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:18:04,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:18:04,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:18:04,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:18:04,569 INFO L87 Difference]: Start difference. First operand 1049 states and 1301 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:18:06,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:18:06,784 INFO L93 Difference]: Finished difference Result 2131 states and 2662 transitions. [2022-10-15 21:18:06,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:18:06,785 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-10-15 21:18:06,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:18:06,796 INFO L225 Difference]: With dead ends: 2131 [2022-10-15 21:18:06,797 INFO L226 Difference]: Without dead ends: 1098 [2022-10-15 21:18:06,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:18:06,804 INFO L413 NwaCegarLoop]: 1155 mSDtfsCounter, 339 mSDsluCounter, 1301 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 2456 SdHoareTripleChecker+Invalid, 902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:18:06,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 2456 Invalid, 902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 768 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-15 21:18:06,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2022-10-15 21:18:06,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 1087. [2022-10-15 21:18:06,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1087 states, 720 states have (on average 1.5180555555555555) internal successors, (1093), 921 states have internal predecessors, (1093), 131 states have call successors, (131), 44 states have call predecessors, (131), 44 states have return successors, (131), 126 states have call predecessors, (131), 131 states have call successors, (131) [2022-10-15 21:18:06,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 1087 states and 1355 transitions. [2022-10-15 21:18:06,881 INFO L78 Accepts]: Start accepts. Automaton has 1087 states and 1355 transitions. Word has length 20 [2022-10-15 21:18:06,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:18:06,882 INFO L495 AbstractCegarLoop]: Abstraction has 1087 states and 1355 transitions. [2022-10-15 21:18:06,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:18:06,883 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 1355 transitions. [2022-10-15 21:18:06,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-15 21:18:06,884 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:18:06,884 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] [2022-10-15 21:18:06,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:18:06,885 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr90ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_pollErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 203 more)] === [2022-10-15 21:18:06,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:18:06,886 INFO L85 PathProgramCache]: Analyzing trace with hash -631959469, now seen corresponding path program 1 times [2022-10-15 21:18:06,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:18:06,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636388932] [2022-10-15 21:18:06,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:18:06,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:18:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:18:07,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:18:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:18:07,094 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 21:18:07,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:18:07,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636388932] [2022-10-15 21:18:07,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636388932] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:18:07,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:18:07,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:18:07,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181570245] [2022-10-15 21:18:07,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:18:07,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:18:07,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:18:07,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:18:07,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:18:07,098 INFO L87 Difference]: Start difference. First operand 1087 states and 1355 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:18:10,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:18:10,299 INFO L93 Difference]: Finished difference Result 1615 states and 2083 transitions. [2022-10-15 21:18:10,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:18:10,300 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-10-15 21:18:10,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:18:10,319 INFO L225 Difference]: With dead ends: 1615 [2022-10-15 21:18:10,321 INFO L226 Difference]: Without dead ends: 1613 [2022-10-15 21:18:10,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:18:10,337 INFO L413 NwaCegarLoop]: 1754 mSDtfsCounter, 790 mSDsluCounter, 1759 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 891 SdHoareTripleChecker+Valid, 3513 SdHoareTripleChecker+Invalid, 1027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:18:10,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [891 Valid, 3513 Invalid, 1027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 896 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-10-15 21:18:10,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1613 states. [2022-10-15 21:18:10,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1613 to 1111. [2022-10-15 21:18:10,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1111 states, 744 states have (on average 1.5120967741935485) internal successors, (1125), 945 states have internal predecessors, (1125), 131 states have call successors, (131), 44 states have call predecessors, (131), 44 states have return successors, (131), 126 states have call predecessors, (131), 131 states have call successors, (131) [2022-10-15 21:18:10,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 1387 transitions. [2022-10-15 21:18:10,445 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 1387 transitions. Word has length 23 [2022-10-15 21:18:10,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:18:10,447 INFO L495 AbstractCegarLoop]: Abstraction has 1111 states and 1387 transitions. [2022-10-15 21:18:10,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:18:10,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 1387 transitions. [2022-10-15 21:18:10,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-15 21:18:10,449 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:18:10,450 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:18:10,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:18:10,450 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr94ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_pollErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 203 more)] === [2022-10-15 21:18:10,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:18:10,451 INFO L85 PathProgramCache]: Analyzing trace with hash 2104478649, now seen corresponding path program 1 times [2022-10-15 21:18:10,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:18:10,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537716875] [2022-10-15 21:18:10,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:18:10,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:18:10,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:18:10,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:18:10,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:18:10,655 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-15 21:18:10,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:18:10,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537716875] [2022-10-15 21:18:10,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537716875] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:18:10,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:18:10,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:18:10,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487564820] [2022-10-15 21:18:10,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:18:10,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:18:10,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:18:10,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:18:10,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:18:10,660 INFO L87 Difference]: Start difference. First operand 1111 states and 1387 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:18:13,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:18:13,279 INFO L93 Difference]: Finished difference Result 1122 states and 1400 transitions. [2022-10-15 21:18:13,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:18:13,280 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-10-15 21:18:13,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:18:13,289 INFO L225 Difference]: With dead ends: 1122 [2022-10-15 21:18:13,289 INFO L226 Difference]: Without dead ends: 1121 [2022-10-15 21:18:13,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:18:13,292 INFO L413 NwaCegarLoop]: 1153 mSDtfsCounter, 341 mSDsluCounter, 1299 mSDsCounter, 0 mSdLazyCounter, 764 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 2452 SdHoareTripleChecker+Invalid, 896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-10-15 21:18:13,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 2452 Invalid, 896 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 764 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-10-15 21:18:13,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2022-10-15 21:18:13,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 1110. [2022-10-15 21:18:13,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1110 states, 744 states have (on average 1.5094086021505377) internal successors, (1123), 944 states have internal predecessors, (1123), 131 states have call successors, (131), 44 states have call predecessors, (131), 44 states have return successors, (131), 126 states have call predecessors, (131), 131 states have call successors, (131) [2022-10-15 21:18:13,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1385 transitions. [2022-10-15 21:18:13,357 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1385 transitions. Word has length 24 [2022-10-15 21:18:13,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:18:13,358 INFO L495 AbstractCegarLoop]: Abstraction has 1110 states and 1385 transitions. [2022-10-15 21:18:13,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:18:13,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1385 transitions. [2022-10-15 21:18:13,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-15 21:18:13,360 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:18:13,360 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:18:13,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:18:13,360 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr95ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_pollErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 203 more)] === [2022-10-15 21:18:13,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:18:13,361 INFO L85 PathProgramCache]: Analyzing trace with hash 814330312, now seen corresponding path program 1 times [2022-10-15 21:18:13,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:18:13,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449705176] [2022-10-15 21:18:13,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:18:13,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:18:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:18:13,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:18:13,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:18:13,566 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:18:13,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:18:13,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449705176] [2022-10-15 21:18:13,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449705176] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:18:13,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366083519] [2022-10-15 21:18:13,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:18:13,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:18:13,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:18:13,577 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:18:13,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-15 21:18:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:18:14,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:18:14,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:18:14,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:18:14,218 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:18:14,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1366083519] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:18:14,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:18:14,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-10-15 21:18:14,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213878357] [2022-10-15 21:18:14,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:18:14,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:18:14,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:18:14,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:18:14,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:18:14,222 INFO L87 Difference]: Start difference. First operand 1110 states and 1385 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:18:14,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:18:14,565 INFO L93 Difference]: Finished difference Result 1125 states and 1404 transitions. [2022-10-15 21:18:14,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:18:14,566 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-10-15 21:18:14,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:18:14,580 INFO L225 Difference]: With dead ends: 1125 [2022-10-15 21:18:14,580 INFO L226 Difference]: Without dead ends: 1123 [2022-10-15 21:18:14,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:18:14,583 INFO L413 NwaCegarLoop]: 1250 mSDtfsCounter, 945 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1011 SdHoareTripleChecker+Valid, 1968 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:18:14,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1011 Valid, 1968 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 21:18:14,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1123 states. [2022-10-15 21:18:14,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1123 to 1100. [2022-10-15 21:18:14,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1100 states, 736 states have (on average 1.5095108695652173) internal successors, (1111), 934 states have internal predecessors, (1111), 131 states have call successors, (131), 44 states have call predecessors, (131), 44 states have return successors, (131), 126 states have call predecessors, (131), 131 states have call successors, (131) [2022-10-15 21:18:14,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 1100 states and 1373 transitions. [2022-10-15 21:18:14,659 INFO L78 Accepts]: Start accepts. Automaton has 1100 states and 1373 transitions. Word has length 25 [2022-10-15 21:18:14,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:18:14,660 INFO L495 AbstractCegarLoop]: Abstraction has 1100 states and 1373 transitions. [2022-10-15 21:18:14,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:18:14,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1373 transitions. [2022-10-15 21:18:14,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-15 21:18:14,662 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:18:14,663 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:18:14,713 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-15 21:18:14,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:18:14,878 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr90ASSERT_VIOLATIONINTEGER_OVERFLOW === [analog_pollErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, analog_pollErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 203 more)] === [2022-10-15 21:18:14,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:18:14,879 INFO L85 PathProgramCache]: Analyzing trace with hash -2068390679, now seen corresponding path program 1 times [2022-10-15 21:18:14,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:18:14,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159493186] [2022-10-15 21:18:14,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:18:14,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:18:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:18:15,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:18:15,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:18:15,064 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:18:15,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:18:15,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159493186] [2022-10-15 21:18:15,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159493186] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:18:15,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967443277] [2022-10-15 21:18:15,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:18:15,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:18:15,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:18:15,067 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:18:15,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-15 21:18:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:18:15,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:18:15,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:18:15,682 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:18:15,682 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 21:18:15,758 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:18:15,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [967443277] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 21:18:15,758 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 21:18:15,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2022-10-15 21:18:15,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563809606] [2022-10-15 21:18:15,759 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 21:18:15,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 21:18:15,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:18:15,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 21:18:15,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:18:15,761 INFO L87 Difference]: Start difference. First operand 1100 states and 1373 transitions. Second operand has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)