/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-3.12-rc1/linux-3.12-rc1.tar.xz-08_1a-drivers--staging--comedi--comedi.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 12:58:28,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 12:58:28,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 12:58:28,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 12:58:28,622 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 12:58:28,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 12:58:28,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 12:58:28,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 12:58:28,630 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 12:58:28,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 12:58:28,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 12:58:28,634 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 12:58:28,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 12:58:28,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 12:58:28,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 12:58:28,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 12:58:28,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 12:58:28,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 12:58:28,656 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 12:58:28,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 12:58:28,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 12:58:28,667 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 12:58:28,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 12:58:28,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 12:58:28,683 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 12:58:28,684 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 12:58:28,684 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 12:58:28,688 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 12:58:28,689 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 12:58:28,691 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 12:58:28,692 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 12:58:28,692 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 12:58:28,694 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 12:58:28,695 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 12:58:28,697 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 12:58:28,697 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 12:58:28,698 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 12:58:28,699 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 12:58:28,699 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 12:58:28,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 12:58:28,702 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 12:58:28,703 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 12:58:28,757 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 12:58:28,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 12:58:28,759 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 12:58:28,759 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 12:58:28,760 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 12:58:28,760 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 12:58:28,763 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 12:58:28,763 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 12:58:28,763 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 12:58:28,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 12:58:28,765 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 12:58:28,765 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 12:58:28,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 12:58:28,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 12:58:28,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 12:58:28,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 12:58:28,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 12:58:28,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 12:58:28,767 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 12:58:28,767 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 12:58:28,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 12:58:28,767 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 12:58:28,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 12:58:28,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 12:58:28,768 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 12:58:28,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 12:58:28,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:58:28,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 12:58:28,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 12:58:28,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 12:58:28,770 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 12:58:28,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 12:58:28,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 12:58:28,771 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 12:58:29,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 12:58:29,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 12:58:29,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 12:58:29,203 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 12:58:29,204 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 12:58:29,205 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-08_1a-drivers--staging--comedi--comedi.ko-entry_point.cil.out.i [2022-10-16 12:58:29,290 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7843fe46/fca49a4b63bf4699b490d21e01e09b2d/FLAGf0b6cc638 [2022-10-16 12:58:30,405 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 12:58:30,406 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-08_1a-drivers--staging--comedi--comedi.ko-entry_point.cil.out.i [2022-10-16 12:58:30,490 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7843fe46/fca49a4b63bf4699b490d21e01e09b2d/FLAGf0b6cc638 [2022-10-16 12:58:30,728 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7843fe46/fca49a4b63bf4699b490d21e01e09b2d [2022-10-16 12:58:30,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 12:58:30,740 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 12:58:30,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 12:58:30,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 12:58:30,751 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 12:58:30,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:58:30" (1/1) ... [2022-10-16 12:58:30,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b2460d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:30, skipping insertion in model container [2022-10-16 12:58:30,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:58:30" (1/1) ... [2022-10-16 12:58:30,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 12:58:31,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 12:58:31,971 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-3.12-rc1/linux-3.12-rc1.tar.xz-08_1a-drivers--staging--comedi--comedi.ko-entry_point.cil.out.i[116803,116816] [2022-10-16 12:58:33,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:58:33,848 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 12:58:34,023 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-3.12-rc1/linux-3.12-rc1.tar.xz-08_1a-drivers--staging--comedi--comedi.ko-entry_point.cil.out.i[116803,116816] [2022-10-16 12:58:34,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:58:34,788 INFO L208 MainTranslator]: Completed translation [2022-10-16 12:58:34,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:34 WrapperNode [2022-10-16 12:58:34,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 12:58:34,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 12:58:34,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 12:58:34,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 12:58:34,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:34" (1/1) ... [2022-10-16 12:58:34,938 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:34" (1/1) ... [2022-10-16 12:58:35,450 INFO L138 Inliner]: procedures = 367, calls = 4074, calls flagged for inlining = 161, calls inlined = 138, statements flattened = 10089 [2022-10-16 12:58:35,451 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 12:58:35,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 12:58:35,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 12:58:35,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 12:58:35,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:34" (1/1) ... [2022-10-16 12:58:35,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:34" (1/1) ... [2022-10-16 12:58:35,692 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:34" (1/1) ... [2022-10-16 12:58:35,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:34" (1/1) ... [2022-10-16 12:58:35,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:34" (1/1) ... [2022-10-16 12:58:35,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:34" (1/1) ... [2022-10-16 12:58:36,022 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:34" (1/1) ... [2022-10-16 12:58:36,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:34" (1/1) ... [2022-10-16 12:58:36,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 12:58:36,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 12:58:36,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 12:58:36,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 12:58:36,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:34" (1/1) ... [2022-10-16 12:58:36,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:58:36,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:58:36,180 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 12:58:36,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 12:58:36,247 INFO L130 BoogieDeclarations]: Found specification of procedure __comedi_buf_free [2022-10-16 12:58:36,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __comedi_buf_free [2022-10-16 12:58:36,247 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_mmap [2022-10-16 12:58:36,247 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_mmap [2022-10-16 12:58:36,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2022-10-16 12:58:36,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2022-10-16 12:58:36,248 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-10-16 12:58:36,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-10-16 12:58:36,248 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_compat_ioctl [2022-10-16 12:58:36,248 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_compat_ioctl [2022-10-16 12:58:36,248 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2022-10-16 12:58:36,248 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2022-10-16 12:58:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-10-16 12:58:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2022-10-16 12:58:36,249 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2022-10-16 12:58:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-16 12:58:36,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-16 12:58:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_is_subdevice_running [2022-10-16 12:58:36,249 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_is_subdevice_running [2022-10-16 12:58:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_buf_read_alloc [2022-10-16 12:58:36,250 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_buf_read_alloc [2022-10-16 12:58:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure compat_chaninfo [2022-10-16 12:58:36,250 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_chaninfo [2022-10-16 12:58:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_device_cleanup [2022-10-16 12:58:36,250 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_device_cleanup [2022-10-16 12:58:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_write_subdevice [2022-10-16 12:58:36,250 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_write_subdevice [2022-10-16 12:58:36,251 INFO L130 BoogieDeclarations]: Found specification of procedure max_write_buffer_kb_show [2022-10-16 12:58:36,251 INFO L138 BoogieDeclarations]: Found implementation of procedure max_write_buffer_kb_show [2022-10-16 12:58:36,251 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_set_subdevice_runflags [2022-10-16 12:58:36,251 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_set_subdevice_runflags [2022-10-16 12:58:36,251 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2022-10-16 12:58:36,251 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2022-10-16 12:58:36,251 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-16 12:58:36,251 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-16 12:58:36,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 12:58:36,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 12:58:36,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-10-16 12:58:36,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-10-16 12:58:36,252 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_read_subdevice [2022-10-16 12:58:36,252 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_read_subdevice [2022-10-16 12:58:36,252 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_buf_read_free [2022-10-16 12:58:36,252 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_buf_read_free [2022-10-16 12:58:36,253 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_vm_open [2022-10-16 12:58:36,253 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_vm_open [2022-10-16 12:58:36,253 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-16 12:58:36,253 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-16 12:58:36,253 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-10-16 12:58:36,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-10-16 12:58:36,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 12:58:36,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 12:58:36,254 INFO L130 BoogieDeclarations]: Found specification of procedure compat_rangeinfo [2022-10-16 12:58:36,254 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_rangeinfo [2022-10-16 12:58:36,254 INFO L130 BoogieDeclarations]: Found specification of procedure compat_insn [2022-10-16 12:58:36,254 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_insn [2022-10-16 12:58:36,254 INFO L130 BoogieDeclarations]: Found specification of procedure compat_insnlist [2022-10-16 12:58:36,254 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_insnlist [2022-10-16 12:58:36,255 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_buf_write_alloc [2022-10-16 12:58:36,255 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_buf_write_alloc [2022-10-16 12:58:36,255 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2022-10-16 12:58:36,255 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_fasync [2022-10-16 12:58:36,255 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_fasync [2022-10-16 12:58:36,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-16 12:58:36,256 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-16 12:58:36,256 INFO L130 BoogieDeclarations]: Found specification of procedure bytes_per_sample [2022-10-16 12:58:36,256 INFO L138 BoogieDeclarations]: Found implementation of procedure bytes_per_sample [2022-10-16 12:58:36,256 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-10-16 12:58:36,256 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-10-16 12:58:36,256 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 12:58:36,257 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 12:58:36,257 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_alloc_board_minor [2022-10-16 12:58:36,257 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_alloc_board_minor [2022-10-16 12:58:36,257 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-16 12:58:36,257 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-16 12:58:36,257 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_poll [2022-10-16 12:58:36,257 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_poll [2022-10-16 12:58:36,258 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_buf_read_n_available [2022-10-16 12:58:36,258 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_buf_read_n_available [2022-10-16 12:58:36,258 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-10-16 12:58:36,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-10-16 12:58:36,258 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2022-10-16 12:58:36,258 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2022-10-16 12:58:36,258 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-10-16 12:58:36,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-10-16 12:58:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure get_compat_cmd [2022-10-16 12:58:36,259 INFO L138 BoogieDeclarations]: Found implementation of procedure get_compat_cmd [2022-10-16 12:58:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 12:58:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 12:58:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-10-16 12:58:36,259 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-10-16 12:58:36,260 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-16 12:58:36,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-16 12:58:36,260 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_buf_alloc [2022-10-16 12:58:36,260 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_buf_alloc [2022-10-16 12:58:36,260 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-10-16 12:58:36,260 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-10-16 12:58:36,260 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-16 12:58:36,260 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-16 12:58:36,261 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_is_subdevice_in_error [2022-10-16 12:58:36,261 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_is_subdevice_in_error [2022-10-16 12:58:36,261 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_device_detach [2022-10-16 12:58:36,261 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_device_detach [2022-10-16 12:58:36,261 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_check_chanlist [2022-10-16 12:58:36,261 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_check_chanlist [2022-10-16 12:58:36,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 12:58:36,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 12:58:36,262 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-16 12:58:36,262 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-16 12:58:36,262 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_write [2022-10-16 12:58:36,262 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_write [2022-10-16 12:58:36,262 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-10-16 12:58:36,262 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-10-16 12:58:36,262 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2022-10-16 12:58:36,263 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2022-10-16 12:58:36,263 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-16 12:58:36,263 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-16 12:58:36,263 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_proc_open [2022-10-16 12:58:36,263 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_proc_open [2022-10-16 12:58:36,263 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2022-10-16 12:58:36,345 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2022-10-16 12:58:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-16 12:58:36,345 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-16 12:58:36,345 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-16 12:58:36,345 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-16 12:58:36,346 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-10-16 12:58:36,346 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-10-16 12:58:36,346 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2022-10-16 12:58:36,346 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2022-10-16 12:58:36,346 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-10-16 12:58:36,346 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-10-16 12:58:36,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-16 12:58:36,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-16 12:58:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-16 12:58:36,347 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-16 12:58:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_device_postconfig [2022-10-16 12:58:36,347 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_device_postconfig [2022-10-16 12:58:36,347 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-16 12:58:36,347 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-16 12:58:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure max_read_buffer_kb_show [2022-10-16 12:58:36,348 INFO L138 BoogieDeclarations]: Found implementation of procedure max_read_buffer_kb_show [2022-10-16 12:58:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-16 12:58:36,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-16 12:58:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_free_board_dev [2022-10-16 12:58:36,348 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_free_board_dev [2022-10-16 12:58:36,348 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_buf_write_free [2022-10-16 12:58:36,348 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_buf_write_free [2022-10-16 12:58:36,349 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_dev_from_minor [2022-10-16 12:58:36,356 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_dev_from_minor [2022-10-16 12:58:36,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 12:58:36,356 INFO L130 BoogieDeclarations]: Found specification of procedure compat_alloc_user_space [2022-10-16 12:58:36,356 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_alloc_user_space [2022-10-16 12:58:36,356 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_cleanup_board_minors [2022-10-16 12:58:36,356 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_cleanup_board_minors [2022-10-16 12:58:36,357 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-16 12:58:36,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-10-16 12:58:36,357 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_vm_close [2022-10-16 12:58:36,357 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_vm_close [2022-10-16 12:58:36,357 INFO L130 BoogieDeclarations]: Found specification of procedure __comedi_buf_write_alloc [2022-10-16 12:58:36,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __comedi_buf_write_alloc [2022-10-16 12:58:36,357 INFO L130 BoogieDeclarations]: Found specification of procedure write_buffer_kb_show [2022-10-16 12:58:36,357 INFO L138 BoogieDeclarations]: Found implementation of procedure write_buffer_kb_show [2022-10-16 12:58:36,361 INFO L130 BoogieDeclarations]: Found specification of procedure compat_cmd [2022-10-16 12:58:36,361 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_cmd [2022-10-16 12:58:36,361 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 12:58:36,361 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-16 12:58:36,362 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2022-10-16 12:58:36,362 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-10-16 12:58:36,362 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-10-16 12:58:36,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 12:58:36,362 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-10-16 12:58:36,362 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-10-16 12:58:36,362 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-10-16 12:58:36,362 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-10-16 12:58:36,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 12:58:36,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 12:58:36,363 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_subdevice_from_minor [2022-10-16 12:58:36,363 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_subdevice_from_minor [2022-10-16 12:58:36,363 INFO L130 BoogieDeclarations]: Found specification of procedure compat_cmdtest [2022-10-16 12:58:36,363 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_cmdtest [2022-10-16 12:58:36,363 INFO L130 BoogieDeclarations]: Found specification of procedure read_buffer_kb_show [2022-10-16 12:58:36,363 INFO L138 BoogieDeclarations]: Found implementation of procedure read_buffer_kb_show [2022-10-16 12:58:36,364 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-10-16 12:58:36,367 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-10-16 12:58:36,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 12:58:36,367 INFO L130 BoogieDeclarations]: Found specification of procedure insn_rw_emulate_bits [2022-10-16 12:58:36,367 INFO L138 BoogieDeclarations]: Found implementation of procedure insn_rw_emulate_bits [2022-10-16 12:58:36,367 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-10-16 12:58:36,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-10-16 12:58:36,368 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-10-16 12:58:36,368 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-10-16 12:58:36,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 12:58:36,368 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_buf_write_n_allocated [2022-10-16 12:58:36,368 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_buf_write_n_allocated [2022-10-16 12:58:36,368 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_close [2022-10-16 12:58:36,368 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_close [2022-10-16 12:58:36,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 12:58:36,369 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_open [2022-10-16 12:58:36,369 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_open [2022-10-16 12:58:36,369 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-16 12:58:36,369 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 12:58:36,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 12:58:36,369 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_is_subdevice_idle [2022-10-16 12:58:36,369 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_is_subdevice_idle [2022-10-16 12:58:36,370 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-10-16 12:58:36,370 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-10-16 12:58:36,370 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-16 12:58:36,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-10-16 12:58:36,370 INFO L130 BoogieDeclarations]: Found specification of procedure translated_ioctl [2022-10-16 12:58:36,370 INFO L138 BoogieDeclarations]: Found implementation of procedure translated_ioctl [2022-10-16 12:58:36,370 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-10-16 12:58:36,374 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-10-16 12:58:36,374 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-10-16 12:58:36,374 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-10-16 12:58:36,374 INFO L130 BoogieDeclarations]: Found specification of procedure raw_ioctl [2022-10-16 12:58:36,374 INFO L138 BoogieDeclarations]: Found implementation of procedure raw_ioctl [2022-10-16 12:58:36,374 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_buf_reset [2022-10-16 12:58:36,374 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_buf_reset [2022-10-16 12:58:36,374 INFO L130 BoogieDeclarations]: Found specification of procedure resize_async_buffer [2022-10-16 12:58:36,375 INFO L138 BoogieDeclarations]: Found implementation of procedure resize_async_buffer [2022-10-16 12:58:36,375 INFO L130 BoogieDeclarations]: Found specification of procedure parse_insn [2022-10-16 12:58:36,375 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_insn [2022-10-16 12:58:36,375 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_get_subdevice_runflags [2022-10-16 12:58:36,375 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_get_subdevice_runflags [2022-10-16 12:58:36,375 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-16 12:58:36,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-16 12:58:36,376 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2022-10-16 12:58:36,376 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2022-10-16 12:58:36,376 INFO L130 BoogieDeclarations]: Found specification of procedure do_become_nonbusy [2022-10-16 12:58:36,376 INFO L138 BoogieDeclarations]: Found implementation of procedure do_become_nonbusy [2022-10-16 12:58:36,376 INFO L130 BoogieDeclarations]: Found specification of procedure comedi_unlocked_ioctl [2022-10-16 12:58:36,376 INFO L138 BoogieDeclarations]: Found implementation of procedure comedi_unlocked_ioctl [2022-10-16 12:58:36,376 INFO L130 BoogieDeclarations]: Found specification of procedure do_cancel [2022-10-16 12:58:36,376 INFO L138 BoogieDeclarations]: Found implementation of procedure do_cancel [2022-10-16 12:58:36,378 INFO L130 BoogieDeclarations]: Found specification of procedure get_compat_insn [2022-10-16 12:58:36,378 INFO L138 BoogieDeclarations]: Found implementation of procedure get_compat_insn [2022-10-16 12:58:36,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 12:58:36,378 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtouint [2022-10-16 12:58:36,378 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtouint [2022-10-16 12:58:36,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 12:58:36,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 12:58:36,379 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-16 12:58:36,379 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-16 12:58:37,461 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 12:58:37,465 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 12:58:38,256 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-16 12:58:41,856 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-16 12:58:41,978 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9045: assume 0 != aref_invalid_~tmp~66#1;havoc aref_invalid_#t~nondet1322#1; [2022-10-16 12:58:41,978 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9045: assume !(0 != aref_invalid_~tmp~66#1); [2022-10-16 12:58:41,979 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9037: aref_invalid_#res#1 := 1;call ULTIMATE.dealloc(aref_invalid_~#descriptor~14#1.base, aref_invalid_~#descriptor~14#1.offset);havoc aref_invalid_~#descriptor~14#1.base, aref_invalid_~#descriptor~14#1.offset; [2022-10-16 12:58:41,979 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !(0 == aref_invalid_~chanspec#1 / 16777216); [2022-10-16 12:58:41,979 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9021: assume aref_invalid_#t~switch1315#1;call aref_invalid_#t~mem1318#1 := read~int(aref_invalid_~s#1.base, 16 + aref_invalid_~s#1.offset, 4); [2022-10-16 12:58:41,979 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9021: assume !aref_invalid_#t~switch1315#1;aref_invalid_#t~switch1315#1 := aref_invalid_#t~switch1315#1 || 3 == aref_invalid_~aref~0#1; [2022-10-16 12:58:41,979 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume 0 == aref_invalid_~chanspec#1 / 16777216;aref_invalid_~aref~0#1 := 0; [2022-10-16 12:58:41,979 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9022: assume 0 != (if 0 == aref_invalid_#t~mem1318#1 then 0 else (if 1 == aref_invalid_#t~mem1318#1 then 0 else ~bitwiseAnd(aref_invalid_#t~mem1318#1, 1048576)));havoc aref_invalid_#t~mem1318#1;aref_invalid_#res#1 := 0;call ULTIMATE.dealloc(aref_invalid_~#descriptor~14#1.base, aref_invalid_~#descriptor~14#1.offset);havoc aref_invalid_~#descriptor~14#1.base, aref_invalid_~#descriptor~14#1.offset; [2022-10-16 12:58:41,980 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9022: assume !(0 != (if 0 == aref_invalid_#t~mem1318#1 then 0 else (if 1 == aref_invalid_#t~mem1318#1 then 0 else ~bitwiseAnd(aref_invalid_#t~mem1318#1, 1048576))));havoc aref_invalid_#t~mem1318#1; [2022-10-16 12:58:41,980 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9015: assume aref_invalid_#t~switch1315#1;call aref_invalid_#t~mem1317#1 := read~int(aref_invalid_~s#1.base, 16 + aref_invalid_~s#1.offset, 4); [2022-10-16 12:58:41,980 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9015: assume !aref_invalid_#t~switch1315#1;aref_invalid_#t~switch1315#1 := aref_invalid_#t~switch1315#1 || 0 == aref_invalid_~aref~0#1; [2022-10-16 12:58:41,980 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9007-2: assume false;aref_invalid_~aref~0#1 := aref_invalid_~chanspec#1 / 16777216; [2022-10-16 12:58:41,980 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9007-2: assume !false; [2022-10-16 12:58:41,980 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9007-4: assume aref_invalid_~chanspec#1 / 16777216 >= 0;abs_9007 := (if aref_invalid_~chanspec#1 / 16777216 < 3 then aref_invalid_~chanspec#1 / 16777216 else 3);assume aref_invalid_~chanspec#1 / 16777216 >= 0;assume aref_invalid_~aref~0#1 < abs_9007; [2022-10-16 12:58:41,980 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9007-4: assume !(aref_invalid_~chanspec#1 / 16777216 >= 0);aref_invalid_~aref~0#1 := aref_invalid_#t~nondet1314#1;havoc aref_invalid_#t~nondet1314#1; [2022-10-16 12:58:41,981 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9007: assume false;aref_invalid_~aref~0#1 := 3; [2022-10-16 12:58:41,981 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9007: assume !false; [2022-10-16 12:58:41,981 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9007-6: aref_invalid_#t~switch1315#1 := 2 == aref_invalid_~aref~0#1; [2022-10-16 12:58:41,981 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9016: assume 0 != (if 0 == aref_invalid_#t~mem1317#1 then 0 else (if 1 == aref_invalid_#t~mem1317#1 then 0 else ~bitwiseAnd(aref_invalid_#t~mem1317#1, 2097152)));havoc aref_invalid_#t~mem1317#1;aref_invalid_#res#1 := 0;call ULTIMATE.dealloc(aref_invalid_~#descriptor~14#1.base, aref_invalid_~#descriptor~14#1.offset);havoc aref_invalid_~#descriptor~14#1.base, aref_invalid_~#descriptor~14#1.offset; [2022-10-16 12:58:41,981 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9016: assume !(0 != (if 0 == aref_invalid_#t~mem1317#1 then 0 else (if 1 == aref_invalid_#t~mem1317#1 then 0 else ~bitwiseAnd(aref_invalid_#t~mem1317#1, 2097152))));havoc aref_invalid_#t~mem1317#1; [2022-10-16 12:58:41,981 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9008: havoc aref_invalid_#t~switch1315#1; [2022-10-16 12:58:41,981 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9033: assume aref_invalid_#t~switch1315#1; [2022-10-16 12:58:41,982 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9033: assume !aref_invalid_#t~switch1315#1; [2022-10-16 12:58:41,982 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9009: assume aref_invalid_#t~switch1315#1;call aref_invalid_#t~mem1316#1 := read~int(aref_invalid_~s#1.base, 16 + aref_invalid_~s#1.offset, 4); [2022-10-16 12:58:41,982 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9009: assume !aref_invalid_#t~switch1315#1;aref_invalid_#t~switch1315#1 := aref_invalid_#t~switch1315#1 || 1 == aref_invalid_~aref~0#1; [2022-10-16 12:58:41,982 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9010: assume 0 != (if 0 == aref_invalid_#t~mem1316#1 then 0 else (if 1 == aref_invalid_#t~mem1316#1 then 0 else ~bitwiseAnd(aref_invalid_#t~mem1316#1, 4194304)));havoc aref_invalid_#t~mem1316#1;aref_invalid_#res#1 := 0;call ULTIMATE.dealloc(aref_invalid_~#descriptor~14#1.base, aref_invalid_~#descriptor~14#1.offset);havoc aref_invalid_~#descriptor~14#1.base, aref_invalid_~#descriptor~14#1.offset; [2022-10-16 12:58:41,982 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9010: assume !(0 != (if 0 == aref_invalid_#t~mem1316#1 then 0 else (if 1 == aref_invalid_#t~mem1316#1 then 0 else ~bitwiseAnd(aref_invalid_#t~mem1316#1, 4194304))));havoc aref_invalid_#t~mem1316#1; [2022-10-16 12:58:41,982 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9027: assume aref_invalid_#t~switch1315#1;call aref_invalid_#t~mem1319#1 := read~int(aref_invalid_~s#1.base, 16 + aref_invalid_~s#1.offset, 4); [2022-10-16 12:58:41,982 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9027: assume !aref_invalid_#t~switch1315#1;aref_invalid_#t~switch1315#1 := true; [2022-10-16 12:58:41,983 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9044: SUMMARY for call aref_invalid_#t~ret1321#1 := ldv__builtin_expect(aref_invalid_#t~mem1320#1 % 256, 0); srcloc: null [2022-10-16 12:58:41,983 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9044-1: assume -2147483648 <= aref_invalid_#t~ret1321#1 && aref_invalid_#t~ret1321#1 <= 2147483647;aref_invalid_~tmp~66#1 := aref_invalid_#t~ret1321#1;havoc aref_invalid_#t~mem1320#1;havoc aref_invalid_#t~ret1321#1; [2022-10-16 12:58:41,983 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9036: assume 0 != ~comedi_debug~0;call write~$Pointer$(302, 0, aref_invalid_~#descriptor~14#1.base, aref_invalid_~#descriptor~14#1.offset, 4);call write~$Pointer$(303, 0, aref_invalid_~#descriptor~14#1.base, 4 + aref_invalid_~#descriptor~14#1.offset, 4);call write~$Pointer$(304, 0, aref_invalid_~#descriptor~14#1.base, 8 + aref_invalid_~#descriptor~14#1.offset, 4);call write~$Pointer$(305, 0, aref_invalid_~#descriptor~14#1.base, 12 + aref_invalid_~#descriptor~14#1.offset, 4);call write~int(168, aref_invalid_~#descriptor~14#1.base, 16 + aref_invalid_~#descriptor~14#1.offset, 4);call write~int(0, aref_invalid_~#descriptor~14#1.base, 20 + aref_invalid_~#descriptor~14#1.offset, 1);call aref_invalid_#t~mem1320#1 := read~int(aref_invalid_~#descriptor~14#1.base, 20 + aref_invalid_~#descriptor~14#1.offset, 1); [2022-10-16 12:58:41,983 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9036: assume !(0 != ~comedi_debug~0); [2022-10-16 12:58:41,983 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9028: assume 0 != (if 0 == aref_invalid_#t~mem1319#1 then 0 else (if 1 == aref_invalid_#t~mem1319#1 then 0 else ~bitwiseAnd(aref_invalid_#t~mem1319#1, 8388608)));havoc aref_invalid_#t~mem1319#1;aref_invalid_#res#1 := 0;call ULTIMATE.dealloc(aref_invalid_~#descriptor~14#1.base, aref_invalid_~#descriptor~14#1.offset);havoc aref_invalid_~#descriptor~14#1.base, aref_invalid_~#descriptor~14#1.offset; [2022-10-16 12:58:41,984 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9028: assume !(0 != (if 0 == aref_invalid_#t~mem1319#1 then 0 else (if 1 == aref_invalid_#t~mem1319#1 then 0 else ~bitwiseAnd(aref_invalid_#t~mem1319#1, 8388608))));havoc aref_invalid_#t~mem1319#1; [2022-10-16 12:58:51,708 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 12:58:51,740 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 12:58:51,740 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 12:58:51,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:58:51 BoogieIcfgContainer [2022-10-16 12:58:51,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 12:58:51,750 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 12:58:51,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 12:58:51,754 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 12:58:51,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:58:30" (1/3) ... [2022-10-16 12:58:51,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4de3bcd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:58:51, skipping insertion in model container [2022-10-16 12:58:51,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:34" (2/3) ... [2022-10-16 12:58:51,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4de3bcd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:58:51, skipping insertion in model container [2022-10-16 12:58:51,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:58:51" (3/3) ... [2022-10-16 12:58:51,757 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-08_1a-drivers--staging--comedi--comedi.ko-entry_point.cil.out.i [2022-10-16 12:58:51,778 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 12:58:51,778 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 80 error locations. [2022-10-16 12:58:51,915 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 12:58:51,923 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;@123a5b49, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 12:58:51,924 INFO L358 AbstractCegarLoop]: Starting to check reachability of 80 error locations. [2022-10-16 12:58:51,941 INFO L276 IsEmpty]: Start isEmpty. Operand has 3964 states, 3171 states have (on average 1.56638284452854) internal successors, (4967), 3273 states have internal predecessors, (4967), 600 states have call successors, (600), 113 states have call predecessors, (600), 112 states have return successors, (591), 590 states have call predecessors, (591), 591 states have call successors, (591) [2022-10-16 12:58:51,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 12:58:51,969 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:58:51,970 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:58:51,971 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [comedi_mmapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, comedi_mmapErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, comedi_mmapErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 77 more)] === [2022-10-16 12:58:51,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:58:51,983 INFO L85 PathProgramCache]: Analyzing trace with hash 382108169, now seen corresponding path program 1 times [2022-10-16 12:58:51,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:58:51,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999813689] [2022-10-16 12:58:51,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:58:51,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:58:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:58:52,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:58:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:58:52,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 12:58:52,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:58:52,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 12:58:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:58:52,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 12:58:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:58:52,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 12:58:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:58:53,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 12:58:53,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:58:53,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 12:58:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:58:53,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 12:58:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:58:53,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 12:58:53,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:58:53,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 12:58:53,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:58:53,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 12:58:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:58:53,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 12:58:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:58:53,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 12:58:53,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:58:53,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:58:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:58:53,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 12:58:53,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:58:53,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:58:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:58:53,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 12:58:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:58:53,390 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-10-16 12:58:53,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:58:53,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999813689] [2022-10-16 12:58:53,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999813689] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:58:53,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:58:53,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:58:53,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903275234] [2022-10-16 12:58:53,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:58:53,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:58:53,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:58:53,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:58:53,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:58:53,465 INFO L87 Difference]: Start difference. First operand has 3964 states, 3171 states have (on average 1.56638284452854) internal successors, (4967), 3273 states have internal predecessors, (4967), 600 states have call successors, (600), 113 states have call predecessors, (600), 112 states have return successors, (591), 590 states have call predecessors, (591), 591 states have call successors, (591) Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-10-16 12:59:02,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:59:04,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:59:06,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:59:15,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:59:17,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:59:21,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:59:26,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:59:28,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:59:29,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:59:29,245 INFO L93 Difference]: Finished difference Result 13604 states and 21607 transitions. [2022-10-16 12:59:29,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 12:59:29,248 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 109 [2022-10-16 12:59:29,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:59:29,344 INFO L225 Difference]: With dead ends: 13604 [2022-10-16 12:59:29,345 INFO L226 Difference]: Without dead ends: 9568 [2022-10-16 12:59:29,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 12:59:29,383 INFO L413 NwaCegarLoop]: 5978 mSDtfsCounter, 12700 mSDsluCounter, 11723 mSDsCounter, 0 mSdLazyCounter, 5484 mSolverCounterSat, 3961 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13195 SdHoareTripleChecker+Valid, 17701 SdHoareTripleChecker+Invalid, 9452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3961 IncrementalHoareTripleChecker+Valid, 5484 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.6s IncrementalHoareTripleChecker+Time [2022-10-16 12:59:29,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13195 Valid, 17701 Invalid, 9452 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3961 Valid, 5484 Invalid, 7 Unknown, 0 Unchecked, 34.6s Time] [2022-10-16 12:59:29,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9568 states. [2022-10-16 12:59:29,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9568 to 7710. [2022-10-16 12:59:29,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7710 states, 6259 states have (on average 1.546572934973638) internal successors, (9680), 6357 states have internal predecessors, (9680), 1153 states have call successors, (1153), 222 states have call predecessors, (1153), 222 states have return successors, (1153), 1150 states have call predecessors, (1153), 1153 states have call successors, (1153) [2022-10-16 12:59:30,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7710 states to 7710 states and 11986 transitions. [2022-10-16 12:59:30,013 INFO L78 Accepts]: Start accepts. Automaton has 7710 states and 11986 transitions. Word has length 109 [2022-10-16 12:59:30,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:59:30,014 INFO L495 AbstractCegarLoop]: Abstraction has 7710 states and 11986 transitions. [2022-10-16 12:59:30,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-10-16 12:59:30,015 INFO L276 IsEmpty]: Start isEmpty. Operand 7710 states and 11986 transitions. [2022-10-16 12:59:30,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-16 12:59:30,023 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:59:30,023 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:59:30,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 12:59:30,024 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [comedi_mmapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, comedi_mmapErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, comedi_mmapErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 77 more)] === [2022-10-16 12:59:30,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:59:30,025 INFO L85 PathProgramCache]: Analyzing trace with hash -542507819, now seen corresponding path program 1 times [2022-10-16 12:59:30,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:59:30,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081466252] [2022-10-16 12:59:30,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:59:30,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:59:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:30,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 12:59:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:30,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 12:59:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:30,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 12:59:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:30,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 12:59:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:30,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 12:59:30,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:30,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 12:59:30,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:30,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 12:59:30,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:30,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 12:59:30,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:30,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 12:59:30,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:30,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 12:59:30,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:30,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 12:59:30,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:30,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 12:59:30,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:30,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 12:59:30,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:30,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 12:59:30,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:30,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-16 12:59:30,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:30,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-16 12:59:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:59:30,830 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-10-16 12:59:30,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:59:30,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081466252] [2022-10-16 12:59:30,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081466252] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:59:30,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:59:30,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:59:30,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663629307] [2022-10-16 12:59:30,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:59:30,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:59:30,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:59:30,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:59:30,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:59:30,835 INFO L87 Difference]: Start difference. First operand 7710 states and 11986 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-10-16 12:59:35,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:59:42,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:59:44,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:59:53,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:59:55,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:59:58,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:00:02,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:00:04,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:00:04,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:00:04,634 INFO L93 Difference]: Finished difference Result 23745 states and 37091 transitions. [2022-10-16 13:00:04,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:00:04,634 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 113 [2022-10-16 13:00:04,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:00:04,775 INFO L225 Difference]: With dead ends: 23745 [2022-10-16 13:00:04,775 INFO L226 Difference]: Without dead ends: 16066 [2022-10-16 13:00:04,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:00:04,834 INFO L413 NwaCegarLoop]: 6375 mSDtfsCounter, 7128 mSDsluCounter, 10521 mSDsCounter, 0 mSdLazyCounter, 6519 mSolverCounterSat, 1567 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7621 SdHoareTripleChecker+Valid, 16896 SdHoareTripleChecker+Invalid, 8091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1567 IncrementalHoareTripleChecker+Valid, 6519 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.7s IncrementalHoareTripleChecker+Time [2022-10-16 13:00:04,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7621 Valid, 16896 Invalid, 8091 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1567 Valid, 6519 Invalid, 5 Unknown, 0 Unchecked, 32.7s Time] [2022-10-16 13:00:04,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16066 states. [2022-10-16 13:00:05,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16066 to 15040. [2022-10-16 13:00:05,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15040 states, 12317 states have (on average 1.5514329788097752) internal successors, (19109), 12437 states have internal predecessors, (19109), 2215 states have call successors, (2215), 432 states have call predecessors, (2215), 432 states have return successors, (2215), 2210 states have call predecessors, (2215), 2215 states have call successors, (2215) [2022-10-16 13:00:05,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15040 states to 15040 states and 23539 transitions. [2022-10-16 13:00:05,995 INFO L78 Accepts]: Start accepts. Automaton has 15040 states and 23539 transitions. Word has length 113 [2022-10-16 13:00:05,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:00:05,996 INFO L495 AbstractCegarLoop]: Abstraction has 15040 states and 23539 transitions. [2022-10-16 13:00:05,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-10-16 13:00:05,996 INFO L276 IsEmpty]: Start isEmpty. Operand 15040 states and 23539 transitions. [2022-10-16 13:00:06,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-16 13:00:06,000 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:00:06,000 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:00:06,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 13:00:06,001 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [comedi_mmapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, comedi_mmapErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, comedi_mmapErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 77 more)] === [2022-10-16 13:00:06,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:00:06,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1266288109, now seen corresponding path program 1 times [2022-10-16 13:00:06,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:00:06,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955227587] [2022-10-16 13:00:06,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:00:06,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:00:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:06,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:00:06,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:06,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:00:06,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:06,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:00:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:06,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:00:06,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:06,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:00:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:06,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:00:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:06,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:00:06,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:06,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:00:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:06,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:00:06,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:06,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:00:06,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:06,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 13:00:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:06,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 13:00:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:06,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 13:00:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:06,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 13:00:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:06,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 13:00:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:06,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-16 13:00:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:06,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-10-16 13:00:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:06,602 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2022-10-16 13:00:06,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:00:06,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955227587] [2022-10-16 13:00:06,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955227587] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:00:06,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:00:06,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:00:06,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450325077] [2022-10-16 13:00:06,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:00:06,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:00:06,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:00:06,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:00:06,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:00:06,609 INFO L87 Difference]: Start difference. First operand 15040 states and 23539 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-10-16 13:00:12,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:00:16,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:00:17,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:00:17,322 INFO L93 Difference]: Finished difference Result 30807 states and 48270 transitions. [2022-10-16 13:00:17,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:00:17,323 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 116 [2022-10-16 13:00:17,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:00:17,408 INFO L225 Difference]: With dead ends: 30807 [2022-10-16 13:00:17,409 INFO L226 Difference]: Without dead ends: 15798 [2022-10-16 13:00:17,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:00:17,475 INFO L413 NwaCegarLoop]: 5888 mSDtfsCounter, 6381 mSDsluCounter, 3645 mSDsCounter, 0 mSdLazyCounter, 1351 mSolverCounterSat, 971 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6794 SdHoareTripleChecker+Valid, 9533 SdHoareTripleChecker+Invalid, 2324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 971 IncrementalHoareTripleChecker+Valid, 1351 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-10-16 13:00:17,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6794 Valid, 9533 Invalid, 2324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [971 Valid, 1351 Invalid, 2 Unknown, 0 Unchecked, 9.9s Time] [2022-10-16 13:00:17,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15798 states. [2022-10-16 13:00:18,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15798 to 14932. [2022-10-16 13:00:18,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14932 states, 12229 states have (on average 1.550821816992395) internal successors, (18965), 12345 states have internal predecessors, (18965), 2199 states have call successors, (2199), 432 states have call predecessors, (2199), 432 states have return successors, (2199), 2194 states have call predecessors, (2199), 2199 states have call successors, (2199) [2022-10-16 13:00:18,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14932 states to 14932 states and 23363 transitions. [2022-10-16 13:00:18,523 INFO L78 Accepts]: Start accepts. Automaton has 14932 states and 23363 transitions. Word has length 116 [2022-10-16 13:00:18,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:00:18,524 INFO L495 AbstractCegarLoop]: Abstraction has 14932 states and 23363 transitions. [2022-10-16 13:00:18,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-10-16 13:00:18,526 INFO L276 IsEmpty]: Start isEmpty. Operand 14932 states and 23363 transitions. [2022-10-16 13:00:18,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-16 13:00:18,532 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:00:18,532 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:00:18,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 13:00:18,533 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [comedi_mmapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, comedi_mmapErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, comedi_mmapErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 77 more)] === [2022-10-16 13:00:18,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:00:18,533 INFO L85 PathProgramCache]: Analyzing trace with hash -442692119, now seen corresponding path program 1 times [2022-10-16 13:00:18,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:00:18,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242315448] [2022-10-16 13:00:18,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:00:18,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:00:18,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:18,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:00:18,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:18,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:00:18,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:18,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:00:18,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:18,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:00:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:18,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:00:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:18,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:00:18,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:18,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:00:18,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:18,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:00:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:18,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:00:18,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:18,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:00:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:19,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 13:00:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:19,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 13:00:19,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:19,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 13:00:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:19,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 13:00:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:19,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 13:00:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:19,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:19,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:00:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:19,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:00:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:19,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:00:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:19,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 13:00:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:19,132 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-10-16 13:00:19,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:00:19,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242315448] [2022-10-16 13:00:19,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242315448] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:00:19,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:00:19,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:00:19,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111415844] [2022-10-16 13:00:19,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:00:19,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:00:19,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:00:19,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:00:19,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:00:19,135 INFO L87 Difference]: Start difference. First operand 14932 states and 23363 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-10-16 13:00:26,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:00:33,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:00:33,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:00:33,486 INFO L93 Difference]: Finished difference Result 33216 states and 51729 transitions. [2022-10-16 13:00:33,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:00:33,487 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 137 [2022-10-16 13:00:33,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:00:33,580 INFO L225 Difference]: With dead ends: 33216 [2022-10-16 13:00:33,581 INFO L226 Difference]: Without dead ends: 18315 [2022-10-16 13:00:33,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:00:33,639 INFO L413 NwaCegarLoop]: 6247 mSDtfsCounter, 2686 mSDsluCounter, 8607 mSDsCounter, 0 mSdLazyCounter, 2887 mSolverCounterSat, 1634 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2869 SdHoareTripleChecker+Valid, 14854 SdHoareTripleChecker+Invalid, 4523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1634 IncrementalHoareTripleChecker+Valid, 2887 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2022-10-16 13:00:33,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2869 Valid, 14854 Invalid, 4523 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1634 Valid, 2887 Invalid, 2 Unknown, 0 Unchecked, 13.3s Time] [2022-10-16 13:00:33,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18315 states. [2022-10-16 13:00:34,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18315 to 17195. [2022-10-16 13:00:34,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17195 states, 13983 states have (on average 1.5307873846813989) internal successors, (21405), 14106 states have internal predecessors, (21405), 2594 states have call successors, (2594), 546 states have call predecessors, (2594), 546 states have return successors, (2594), 2586 states have call predecessors, (2594), 2594 states have call successors, (2594) [2022-10-16 13:00:34,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17195 states to 17195 states and 26593 transitions. [2022-10-16 13:00:34,971 INFO L78 Accepts]: Start accepts. Automaton has 17195 states and 26593 transitions. Word has length 137 [2022-10-16 13:00:34,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:00:34,973 INFO L495 AbstractCegarLoop]: Abstraction has 17195 states and 26593 transitions. [2022-10-16 13:00:34,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-10-16 13:00:34,973 INFO L276 IsEmpty]: Start isEmpty. Operand 17195 states and 26593 transitions. [2022-10-16 13:00:34,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-10-16 13:00:34,986 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:00:34,987 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:00:34,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 13:00:34,987 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [comedi_mmapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, comedi_mmapErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, comedi_mmapErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 77 more)] === [2022-10-16 13:00:34,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:00:34,988 INFO L85 PathProgramCache]: Analyzing trace with hash 561821409, now seen corresponding path program 1 times [2022-10-16 13:00:34,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:00:34,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154008339] [2022-10-16 13:00:34,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:00:34,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:00:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:35,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:00:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:35,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:00:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:35,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:00:35,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:35,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:00:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:35,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:00:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:35,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:00:35,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:35,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:00:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:35,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:00:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:35,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:00:35,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:35,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:00:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:35,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 13:00:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:35,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 13:00:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:35,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 13:00:35,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:35,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 13:00:35,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:35,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-10-16 13:00:35,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:35,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-10-16 13:00:35,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:35,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-10-16 13:00:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:35,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-10-16 13:00:35,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:35,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:35,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:00:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:35,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:00:35,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:35,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:00:35,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:35,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 13:00:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:35,709 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2022-10-16 13:00:35,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:00:35,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154008339] [2022-10-16 13:00:35,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154008339] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:00:35,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:00:35,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:00:35,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141198262] [2022-10-16 13:00:35,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:00:35,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:00:35,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:00:35,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:00:35,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:00:35,712 INFO L87 Difference]: Start difference. First operand 17195 states and 26593 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-10-16 13:00:41,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:00:46,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:00:46,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:00:46,766 INFO L93 Difference]: Finished difference Result 27947 states and 42950 transitions. [2022-10-16 13:00:46,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:00:46,767 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 177 [2022-10-16 13:00:46,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:00:46,818 INFO L225 Difference]: With dead ends: 27947 [2022-10-16 13:00:46,818 INFO L226 Difference]: Without dead ends: 10783 [2022-10-16 13:00:46,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:00:46,865 INFO L413 NwaCegarLoop]: 5772 mSDtfsCounter, 7240 mSDsluCounter, 3650 mSDsCounter, 0 mSdLazyCounter, 1435 mSolverCounterSat, 1692 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7667 SdHoareTripleChecker+Valid, 9422 SdHoareTripleChecker+Invalid, 3128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1692 IncrementalHoareTripleChecker+Valid, 1435 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:00:46,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7667 Valid, 9422 Invalid, 3128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1692 Valid, 1435 Invalid, 1 Unknown, 0 Unchecked, 10.1s Time] [2022-10-16 13:00:46,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10783 states. [2022-10-16 13:00:47,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10783 to 10032. [2022-10-16 13:00:47,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10032 states, 8028 states have (on average 1.5036123567513702) internal successors, (12071), 8135 states have internal predecessors, (12071), 1568 states have call successors, (1568), 364 states have call predecessors, (1568), 364 states have return successors, (1568), 1560 states have call predecessors, (1568), 1568 states have call successors, (1568) [2022-10-16 13:00:47,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10032 states to 10032 states and 15207 transitions. [2022-10-16 13:00:47,651 INFO L78 Accepts]: Start accepts. Automaton has 10032 states and 15207 transitions. Word has length 177 [2022-10-16 13:00:47,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:00:47,652 INFO L495 AbstractCegarLoop]: Abstraction has 10032 states and 15207 transitions. [2022-10-16 13:00:47,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-10-16 13:00:47,652 INFO L276 IsEmpty]: Start isEmpty. Operand 10032 states and 15207 transitions. [2022-10-16 13:00:47,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-10-16 13:00:47,660 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:00:47,660 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:00:47,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 13:00:47,661 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [comedi_mmapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, comedi_mmapErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, comedi_mmapErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 77 more)] === [2022-10-16 13:00:47,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:00:47,661 INFO L85 PathProgramCache]: Analyzing trace with hash -859540812, now seen corresponding path program 1 times [2022-10-16 13:00:47,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:00:47,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790333746] [2022-10-16 13:00:47,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:00:47,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:00:47,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:48,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:00:48,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:48,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:00:48,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:48,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:00:48,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:48,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:00:48,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:48,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:00:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:48,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:00:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:48,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:00:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:48,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:00:48,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:48,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:00:48,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:48,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:00:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:48,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 13:00:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:48,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 13:00:48,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:48,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 13:00:48,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:48,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 13:00:48,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:48,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-10-16 13:00:48,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:48,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-10-16 13:00:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:48,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-10-16 13:00:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:48,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-10-16 13:00:48,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:48,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-10-16 13:00:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:48,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 13:00:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:48,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-10-16 13:00:48,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:48,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-10-16 13:00:48,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:48,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-10-16 13:00:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:48,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-10-16 13:00:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:48,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:00:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:48,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:00:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:00:48,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1015 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2022-10-16 13:00:48,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:00:48,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790333746] [2022-10-16 13:00:48,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790333746] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:00:48,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:00:48,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:00:48,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708545655] [2022-10-16 13:00:48,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:00:48,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:00:48,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:00:48,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:00:48,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:00:48,867 INFO L87 Difference]: Start difference. First operand 10032 states and 15207 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-10-16 13:00:57,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:00:59,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:01:00,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:01:07,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:01:09,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:01:09,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:01:09,961 INFO L93 Difference]: Finished difference Result 21668 states and 33077 transitions. [2022-10-16 13:01:09,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:01:09,962 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 184 [2022-10-16 13:01:09,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:01:10,013 INFO L225 Difference]: With dead ends: 21668 [2022-10-16 13:01:10,013 INFO L226 Difference]: Without dead ends: 12136 [2022-10-16 13:01:10,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:01:10,044 INFO L413 NwaCegarLoop]: 6078 mSDtfsCounter, 8807 mSDsluCounter, 7284 mSDsCounter, 0 mSdLazyCounter, 2855 mSolverCounterSat, 2351 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9160 SdHoareTripleChecker+Valid, 13362 SdHoareTripleChecker+Invalid, 5209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2351 IncrementalHoareTripleChecker+Valid, 2855 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:01:10,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9160 Valid, 13362 Invalid, 5209 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2351 Valid, 2855 Invalid, 3 Unknown, 0 Unchecked, 20.2s Time] [2022-10-16 13:01:10,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12136 states. [2022-10-16 13:01:10,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12136 to 10032. [2022-10-16 13:01:10,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10032 states, 8028 states have (on average 1.5031141006477329) internal successors, (12067), 8135 states have internal predecessors, (12067), 1568 states have call successors, (1568), 364 states have call predecessors, (1568), 364 states have return successors, (1568), 1560 states have call predecessors, (1568), 1568 states have call successors, (1568) [2022-10-16 13:01:10,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10032 states to 10032 states and 15203 transitions. [2022-10-16 13:01:10,830 INFO L78 Accepts]: Start accepts. Automaton has 10032 states and 15203 transitions. Word has length 184 [2022-10-16 13:01:10,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:01:10,831 INFO L495 AbstractCegarLoop]: Abstraction has 10032 states and 15203 transitions. [2022-10-16 13:01:10,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-10-16 13:01:10,831 INFO L276 IsEmpty]: Start isEmpty. Operand 10032 states and 15203 transitions. [2022-10-16 13:01:10,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-10-16 13:01:10,838 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:01:10,838 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:01:10,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 13:01:10,839 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [comedi_mmapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, comedi_mmapErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, comedi_mmapErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 77 more)] === [2022-10-16 13:01:10,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:01:10,839 INFO L85 PathProgramCache]: Analyzing trace with hash -968436391, now seen corresponding path program 1 times [2022-10-16 13:01:10,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:01:10,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128457709] [2022-10-16 13:01:10,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:01:10,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:01:10,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:11,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:01:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:11,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:01:11,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:11,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:01:11,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:11,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:01:11,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:11,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:01:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:11,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:01:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:11,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:01:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:11,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:01:11,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:11,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:01:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:11,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:01:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:11,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 13:01:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:11,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 13:01:11,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:11,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 13:01:11,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:11,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 13:01:11,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:11,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-16 13:01:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:11,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-10-16 13:01:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:11,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-10-16 13:01:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:11,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 13:01:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:11,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-10-16 13:01:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:11,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-10-16 13:01:11,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:11,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-10-16 13:01:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:11,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 13:01:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:11,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-16 13:01:11,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:11,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-10-16 13:01:11,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:11,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:01:11,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:11,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:01:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:11,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1015 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2022-10-16 13:01:11,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:01:11,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128457709] [2022-10-16 13:01:11,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128457709] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:01:11,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:01:11,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 13:01:11,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196436023] [2022-10-16 13:01:11,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:01:11,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:01:11,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:01:11,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:01:11,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:01:11,520 INFO L87 Difference]: Start difference. First operand 10032 states and 15203 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-10-16 13:01:22,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:01:30,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:01:32,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:01:33,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:01:33,805 INFO L93 Difference]: Finished difference Result 21676 states and 33077 transitions. [2022-10-16 13:01:33,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:01:33,806 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 186 [2022-10-16 13:01:33,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:01:33,852 INFO L225 Difference]: With dead ends: 21676 [2022-10-16 13:01:33,852 INFO L226 Difference]: Without dead ends: 12126 [2022-10-16 13:01:33,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:01:33,878 INFO L413 NwaCegarLoop]: 6101 mSDtfsCounter, 3171 mSDsluCounter, 17982 mSDsCounter, 0 mSdLazyCounter, 5637 mSolverCounterSat, 1565 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3297 SdHoareTripleChecker+Valid, 24083 SdHoareTripleChecker+Invalid, 7205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1565 IncrementalHoareTripleChecker+Valid, 5637 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2022-10-16 13:01:33,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3297 Valid, 24083 Invalid, 7205 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1565 Valid, 5637 Invalid, 3 Unknown, 0 Unchecked, 21.3s Time] [2022-10-16 13:01:33,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12126 states. [2022-10-16 13:01:34,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12126 to 10016. [2022-10-16 13:01:34,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10016 states, 8016 states have (on average 1.50311876247505) internal successors, (12049), 8123 states have internal predecessors, (12049), 1566 states have call successors, (1566), 362 states have call predecessors, (1566), 362 states have return successors, (1566), 1558 states have call predecessors, (1566), 1566 states have call successors, (1566) [2022-10-16 13:01:34,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10016 states to 10016 states and 15181 transitions. [2022-10-16 13:01:34,769 INFO L78 Accepts]: Start accepts. Automaton has 10016 states and 15181 transitions. Word has length 186 [2022-10-16 13:01:34,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:01:34,770 INFO L495 AbstractCegarLoop]: Abstraction has 10016 states and 15181 transitions. [2022-10-16 13:01:34,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-10-16 13:01:34,770 INFO L276 IsEmpty]: Start isEmpty. Operand 10016 states and 15181 transitions. [2022-10-16 13:01:34,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-10-16 13:01:34,776 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:01:34,777 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:01:34,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 13:01:34,777 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [comedi_mmapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, comedi_mmapErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, comedi_mmapErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 77 more)] === [2022-10-16 13:01:34,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:01:34,778 INFO L85 PathProgramCache]: Analyzing trace with hash -231705702, now seen corresponding path program 1 times [2022-10-16 13:01:34,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:01:34,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444175338] [2022-10-16 13:01:34,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:01:34,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:01:35,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:35,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:01:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:35,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:01:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:35,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:01:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:35,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:01:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:35,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:01:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:35,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:01:35,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:35,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:01:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:35,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:01:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:35,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:01:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:35,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:01:35,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:35,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 13:01:35,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:35,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 13:01:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:35,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 13:01:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:35,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 13:01:35,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:35,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-10-16 13:01:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:35,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-10-16 13:01:35,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:35,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-10-16 13:01:35,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:35,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-10-16 13:01:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:35,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:01:35,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:35,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-16 13:01:35,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:35,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-10-16 13:01:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:35,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:01:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:35,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:01:35,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:35,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:01:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:35,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:01:35,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:35,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 13:01:35,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:35,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-10-16 13:01:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:35,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:01:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:35,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-10-16 13:01:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:01:36,003 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2022-10-16 13:01:36,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:01:36,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444175338] [2022-10-16 13:01:36,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444175338] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:01:36,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:01:36,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 13:01:36,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228451192] [2022-10-16 13:01:36,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:01:36,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 13:01:36,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:01:36,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 13:01:36,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:01:36,005 INFO L87 Difference]: Start difference. First operand 10016 states and 15181 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 4 states have internal predecessors, (81), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-10-16 13:01:41,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:01:47,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:01:48,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:01:57,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:01:59,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:02:00,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:02:00,337 INFO L93 Difference]: Finished difference Result 20243 states and 30976 transitions. [2022-10-16 13:02:00,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:02:00,338 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 4 states have internal predecessors, (81), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 195 [2022-10-16 13:02:00,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:02:00,387 INFO L225 Difference]: With dead ends: 20243 [2022-10-16 13:02:00,387 INFO L226 Difference]: Without dead ends: 10727 [2022-10-16 13:02:00,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-10-16 13:02:00,420 INFO L413 NwaCegarLoop]: 5853 mSDtfsCounter, 6787 mSDsluCounter, 13840 mSDsCounter, 0 mSdLazyCounter, 7179 mSolverCounterSat, 1191 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7266 SdHoareTripleChecker+Valid, 19693 SdHoareTripleChecker+Invalid, 8371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1191 IncrementalHoareTripleChecker+Valid, 7179 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.3s IncrementalHoareTripleChecker+Time [2022-10-16 13:02:00,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7266 Valid, 19693 Invalid, 8371 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1191 Valid, 7179 Invalid, 1 Unknown, 0 Unchecked, 23.3s Time] [2022-10-16 13:02:00,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10727 states. [2022-10-16 13:02:01,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10727 to 9346. [2022-10-16 13:02:01,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9346 states, 7532 states have (on average 1.5163303239511419) internal successors, (11421), 7631 states have internal predecessors, (11421), 1430 states have call successors, (1430), 314 states have call predecessors, (1430), 314 states have return successors, (1430), 1424 states have call predecessors, (1430), 1430 states have call successors, (1430) [2022-10-16 13:02:01,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9346 states to 9346 states and 14281 transitions. [2022-10-16 13:02:01,202 INFO L78 Accepts]: Start accepts. Automaton has 9346 states and 14281 transitions. Word has length 195 [2022-10-16 13:02:01,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:02:01,203 INFO L495 AbstractCegarLoop]: Abstraction has 9346 states and 14281 transitions. [2022-10-16 13:02:01,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 4 states have internal predecessors, (81), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-10-16 13:02:01,203 INFO L276 IsEmpty]: Start isEmpty. Operand 9346 states and 14281 transitions. [2022-10-16 13:02:01,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-10-16 13:02:01,212 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:02:01,213 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:02:01,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 13:02:01,213 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [comedi_mmapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, comedi_mmapErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, comedi_mmapErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 77 more)] === [2022-10-16 13:02:01,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:02:01,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1667616598, now seen corresponding path program 1 times [2022-10-16 13:02:01,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:02:01,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64142071] [2022-10-16 13:02:01,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:02:01,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:02:01,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:02:01,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:02:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:02:01,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:02:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:02:01,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:02:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:02:01,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:02:01,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:02:01,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:02:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:02:01,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-16 13:02:01,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:02:01,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:02:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:02:01,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:02:01,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:02:01,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:02:01,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:02:01,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:02:01,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:02:01,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 13:02:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:02:01,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 13:02:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:02:01,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 13:02:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:02:01,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 13:02:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:02:01,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-10-16 13:02:01,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:02:01,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-10-16 13:02:01,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:02:02,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-10-16 13:02:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:02:02,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-10-16 13:02:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:02:02,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:02:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:02:02,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-16 13:02:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:02:02,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-10-16 13:02:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:02:02,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-10-16 13:02:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:02:02,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-10-16 13:02:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:02:02,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-10-16 13:02:02,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:02:02,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-10-16 13:02:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:02:02,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-16 13:02:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:02:02,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-10-16 13:02:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:02:02,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-10-16 13:02:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:02:02,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-10-16 13:02:02,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:02:02,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-10-16 13:02:02,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:02:02,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:02:02,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:02:02,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:02:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:02:02,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1207 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1207 trivial. 0 not checked. [2022-10-16 13:02:02,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:02:02,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64142071] [2022-10-16 13:02:02,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64142071] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:02:02,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:02:02,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:02:02,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86784014] [2022-10-16 13:02:02,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:02:02,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:02:02,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:02:02,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:02:02,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:02:02,220 INFO L87 Difference]: Start difference. First operand 9346 states and 14281 transitions. Second operand has 6 states, 5 states have (on average 18.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32)