/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--cpqarray.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:05:52,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:05:52,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:05:52,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:05:52,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:05:52,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:05:52,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:05:52,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:05:53,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:05:53,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:05:53,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:05:53,012 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:05:53,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:05:53,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:05:53,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:05:53,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:05:53,025 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:05:53,027 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:05:53,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:05:53,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:05:53,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:05:53,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:05:53,046 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:05:53,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:05:53,061 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:05:53,061 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:05:53,062 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:05:53,065 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:05:53,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:05:53,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:05:53,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:05:53,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:05:53,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:05:53,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:05:53,073 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:05:53,074 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:05:53,074 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:05:53,075 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:05:53,075 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:05:53,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:05:53,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:05:53,078 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:05:53,127 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:05:53,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:05:53,128 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:05:53,128 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:05:53,129 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:05:53,129 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:05:53,130 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:05:53,130 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:05:53,130 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:05:53,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:05:53,131 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:05:53,131 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:05:53,131 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:05:53,131 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:05:53,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:05:53,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:05:53,132 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:05:53,132 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:05:53,132 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:05:53,132 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:05:53,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:05:53,133 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:05:53,133 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:05:53,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:05:53,133 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:05:53,134 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:05:53,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:05:53,134 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:05:53,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:05:53,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:05:53,135 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:05:53,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:05:53,135 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:05:53,135 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:05:53,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:05:53,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:05:53,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:05:53,627 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:05:53,631 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:05:53,634 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--cpqarray.ko-main.cil.out.i [2022-10-15 21:05:53,729 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c90700166/b83d0af1ed54438ebcf53e1ae35a9999/FLAG7e8e03ead [2022-10-15 21:05:54,954 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:05:54,955 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--cpqarray.ko-main.cil.out.i [2022-10-15 21:05:55,023 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c90700166/b83d0af1ed54438ebcf53e1ae35a9999/FLAG7e8e03ead [2022-10-15 21:05:55,282 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c90700166/b83d0af1ed54438ebcf53e1ae35a9999 [2022-10-15 21:05:55,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:05:55,292 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:05:55,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:05:55,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:05:55,298 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:05:55,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:05:55" (1/1) ... [2022-10-15 21:05:55,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f91328f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:05:55, skipping insertion in model container [2022-10-15 21:05:55,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:05:55" (1/1) ... [2022-10-15 21:05:55,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:05:55,432 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:05:58,167 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--cpqarray.ko-main.cil.out.i[213319,213332] [2022-10-15 21:05:58,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:05:58,402 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:05:59,210 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--cpqarray.ko-main.cil.out.i[213319,213332] [2022-10-15 21:05:59,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:05:59,438 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:05:59,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:05:59 WrapperNode [2022-10-15 21:05:59,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:05:59,441 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:05:59,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:05:59,441 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:05:59,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:05:59" (1/1) ... [2022-10-15 21:05:59,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:05:59" (1/1) ... [2022-10-15 21:05:59,844 INFO L138 Inliner]: procedures = 269, calls = 1577, calls flagged for inlining = 115, calls inlined = 90, statements flattened = 3771 [2022-10-15 21:05:59,845 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:05:59,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:05:59,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:05:59,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:05:59,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:05:59" (1/1) ... [2022-10-15 21:05:59,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:05:59" (1/1) ... [2022-10-15 21:05:59,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:05:59" (1/1) ... [2022-10-15 21:05:59,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:05:59" (1/1) ... [2022-10-15 21:06:00,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:05:59" (1/1) ... [2022-10-15 21:06:00,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:05:59" (1/1) ... [2022-10-15 21:06:00,202 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:05:59" (1/1) ... [2022-10-15 21:06:00,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:05:59" (1/1) ... [2022-10-15 21:06:00,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:06:00,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:06:00,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:06:00,280 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:06:00,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:05:59" (1/1) ... [2022-10-15 21:06:00,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:06:00,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:06:00,330 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 21:06:00,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:06:00,413 INFO L130 BoogieDeclarations]: Found specification of procedure free_hba [2022-10-15 21:06:00,414 INFO L138 BoogieDeclarations]: Found implementation of procedure free_hba [2022-10-15 21:06:00,414 INFO L130 BoogieDeclarations]: Found specification of procedure smart1_submit_command [2022-10-15 21:06:00,415 INFO L138 BoogieDeclarations]: Found implementation of procedure smart1_submit_command [2022-10-15 21:06:00,415 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2022-10-15 21:06:00,415 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2022-10-15 21:06:00,415 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-10-15 21:06:00,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-10-15 21:06:00,416 INFO L130 BoogieDeclarations]: Found specification of procedure cpqarray_remove_one [2022-10-15 21:06:00,416 INFO L138 BoogieDeclarations]: Found implementation of procedure cpqarray_remove_one [2022-10-15 21:06:00,416 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_cpqarray_hba [2022-10-15 21:06:00,416 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_cpqarray_hba [2022-10-15 21:06:00,417 INFO L130 BoogieDeclarations]: Found specification of procedure smart4_intr_mask [2022-10-15 21:06:00,417 INFO L138 BoogieDeclarations]: Found implementation of procedure smart4_intr_mask [2022-10-15 21:06:00,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:06:00,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:06:00,418 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2022-10-15 21:06:00,418 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2022-10-15 21:06:00,418 INFO L130 BoogieDeclarations]: Found specification of procedure smart2_completed [2022-10-15 21:06:00,418 INFO L138 BoogieDeclarations]: Found implementation of procedure smart2_completed [2022-10-15 21:06:00,419 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-10-15 21:06:00,419 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-10-15 21:06:00,419 INFO L130 BoogieDeclarations]: Found specification of procedure smart4_intr_pending [2022-10-15 21:06:00,419 INFO L138 BoogieDeclarations]: Found implementation of procedure smart4_intr_pending [2022-10-15 21:06:00,419 INFO L130 BoogieDeclarations]: Found specification of procedure smart2e_intr_mask [2022-10-15 21:06:00,419 INFO L138 BoogieDeclarations]: Found implementation of procedure smart2e_intr_mask [2022-10-15 21:06:00,420 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-10-15 21:06:00,420 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-10-15 21:06:00,420 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-10-15 21:06:00,420 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-10-15 21:06:00,420 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2022-10-15 21:06:00,421 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2022-10-15 21:06:00,421 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-15 21:06:00,421 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-15 21:06:00,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:06:00,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:06:00,422 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-10-15 21:06:00,422 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-10-15 21:06:00,422 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2022-10-15 21:06:00,422 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2022-10-15 21:06:00,422 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-10-15 21:06:00,423 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-10-15 21:06:00,423 INFO L130 BoogieDeclarations]: Found specification of procedure start_io [2022-10-15 21:06:00,423 INFO L138 BoogieDeclarations]: Found implementation of procedure start_io [2022-10-15 21:06:00,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cpqarray_mutex [2022-10-15 21:06:00,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cpqarray_mutex [2022-10-15 21:06:00,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-15 21:06:00,424 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-15 21:06:00,424 INFO L130 BoogieDeclarations]: Found specification of procedure smart1_completed [2022-10-15 21:06:00,424 INFO L138 BoogieDeclarations]: Found implementation of procedure smart1_completed [2022-10-15 21:06:00,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cpqarray_mutex [2022-10-15 21:06:00,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cpqarray_mutex [2022-10-15 21:06:00,426 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-10-15 21:06:00,426 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-10-15 21:06:00,426 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-15 21:06:00,427 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-15 21:06:00,428 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-15 21:06:00,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-15 21:06:00,428 INFO L130 BoogieDeclarations]: Found specification of procedure cmd_free [2022-10-15 21:06:00,428 INFO L138 BoogieDeclarations]: Found implementation of procedure cmd_free [2022-10-15 21:06:00,428 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-10-15 21:06:00,428 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-10-15 21:06:00,428 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-15 21:06:00,429 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-15 21:06:00,429 INFO L130 BoogieDeclarations]: Found specification of procedure smart4_completed [2022-10-15 21:06:00,429 INFO L138 BoogieDeclarations]: Found implementation of procedure smart4_completed [2022-10-15 21:06:00,429 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-10-15 21:06:00,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-10-15 21:06:00,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:06:00,431 INFO L130 BoogieDeclarations]: Found specification of procedure smart2e_fifo_full [2022-10-15 21:06:00,431 INFO L138 BoogieDeclarations]: Found implementation of procedure smart2e_fifo_full [2022-10-15 21:06:00,432 INFO L130 BoogieDeclarations]: Found specification of procedure release_io_mem [2022-10-15 21:06:00,433 INFO L138 BoogieDeclarations]: Found implementation of procedure release_io_mem [2022-10-15 21:06:00,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:06:00,433 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-10-15 21:06:00,434 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-10-15 21:06:00,434 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-10-15 21:06:00,434 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-10-15 21:06:00,434 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-10-15 21:06:00,434 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-10-15 21:06:00,434 INFO L130 BoogieDeclarations]: Found specification of procedure smart2_intr_pending [2022-10-15 21:06:00,435 INFO L138 BoogieDeclarations]: Found implementation of procedure smart2_intr_pending [2022-10-15 21:06:00,435 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_logical_block_size [2022-10-15 21:06:00,435 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_logical_block_size [2022-10-15 21:06:00,435 INFO L130 BoogieDeclarations]: Found specification of procedure sendcmd [2022-10-15 21:06:00,436 INFO L138 BoogieDeclarations]: Found implementation of procedure sendcmd [2022-10-15 21:06:00,436 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-15 21:06:00,437 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-15 21:06:00,437 INFO L130 BoogieDeclarations]: Found specification of procedure get_drv [2022-10-15 21:06:00,437 INFO L138 BoogieDeclarations]: Found implementation of procedure get_drv [2022-10-15 21:06:00,437 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-10-15 21:06:00,438 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-10-15 21:06:00,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:06:00,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:06:00,439 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-15 21:06:00,440 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-15 21:06:00,440 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-10-15 21:06:00,441 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-10-15 21:06:00,441 INFO L130 BoogieDeclarations]: Found specification of procedure ida_revalidate [2022-10-15 21:06:00,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ida_revalidate [2022-10-15 21:06:00,442 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-15 21:06:00,442 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-15 21:06:00,442 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-15 21:06:00,442 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-15 21:06:00,442 INFO L130 BoogieDeclarations]: Found specification of procedure smart2_submit_command [2022-10-15 21:06:00,443 INFO L138 BoogieDeclarations]: Found implementation of procedure smart2_submit_command [2022-10-15 21:06:00,443 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-15 21:06:00,443 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-15 21:06:00,443 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-10-15 21:06:00,444 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-10-15 21:06:00,444 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-10-15 21:06:00,444 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-10-15 21:06:00,444 INFO L130 BoogieDeclarations]: Found specification of procedure cpqarray_register_ctlr [2022-10-15 21:06:00,444 INFO L138 BoogieDeclarations]: Found implementation of procedure cpqarray_register_ctlr [2022-10-15 21:06:00,444 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-15 21:06:00,445 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-15 21:06:00,445 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-15 21:06:00,445 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-15 21:06:00,445 INFO L130 BoogieDeclarations]: Found specification of procedure ida_ioctl [2022-10-15 21:06:00,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ida_ioctl [2022-10-15 21:06:00,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:06:00,448 INFO L130 BoogieDeclarations]: Found specification of procedure cmd_alloc [2022-10-15 21:06:00,449 INFO L138 BoogieDeclarations]: Found implementation of procedure cmd_alloc [2022-10-15 21:06:00,450 INFO L130 BoogieDeclarations]: Found specification of procedure smart2_fifo_full [2022-10-15 21:06:00,513 INFO L138 BoogieDeclarations]: Found implementation of procedure smart2_fifo_full [2022-10-15 21:06:00,514 INFO L130 BoogieDeclarations]: Found specification of procedure smart2e_intr_pending [2022-10-15 21:06:00,514 INFO L138 BoogieDeclarations]: Found implementation of procedure smart2e_intr_pending [2022-10-15 21:06:00,514 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-15 21:06:00,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-10-15 21:06:00,514 INFO L130 BoogieDeclarations]: Found specification of procedure smart1_fifo_full [2022-10-15 21:06:00,514 INFO L138 BoogieDeclarations]: Found implementation of procedure smart1_fifo_full [2022-10-15 21:06:00,515 INFO L130 BoogieDeclarations]: Found specification of procedure smart2e_submit_command [2022-10-15 21:06:00,521 INFO L138 BoogieDeclarations]: Found implementation of procedure smart2e_submit_command [2022-10-15 21:06:00,521 INFO L130 BoogieDeclarations]: Found specification of procedure smart1_intr_pending [2022-10-15 21:06:00,521 INFO L138 BoogieDeclarations]: Found implementation of procedure smart1_intr_pending [2022-10-15 21:06:00,521 INFO L130 BoogieDeclarations]: Found specification of procedure get_host [2022-10-15 21:06:00,522 INFO L138 BoogieDeclarations]: Found implementation of procedure get_host [2022-10-15 21:06:00,522 INFO L130 BoogieDeclarations]: Found specification of procedure smart4_submit_command [2022-10-15 21:06:00,522 INFO L138 BoogieDeclarations]: Found implementation of procedure smart4_submit_command [2022-10-15 21:06:00,522 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:06:00,522 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:06:00,522 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2022-10-15 21:06:00,523 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2022-10-15 21:06:00,523 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-10-15 21:06:00,523 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-10-15 21:06:00,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:06:00,523 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-10-15 21:06:00,523 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-10-15 21:06:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-10-15 21:06:00,533 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-10-15 21:06:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure removeQ [2022-10-15 21:06:00,533 INFO L138 BoogieDeclarations]: Found implementation of procedure removeQ [2022-10-15 21:06:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:06:00,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:06:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:06:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:06:00,535 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-15 21:06:00,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-15 21:06:00,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:06:00,535 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-15 21:06:00,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-15 21:06:00,535 INFO L130 BoogieDeclarations]: Found specification of procedure smart1_intr_mask [2022-10-15 21:06:00,536 INFO L138 BoogieDeclarations]: Found implementation of procedure smart1_intr_mask [2022-10-15 21:06:00,538 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-10-15 21:06:00,539 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-10-15 21:06:00,539 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-10-15 21:06:00,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-10-15 21:06:00,539 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-10-15 21:06:00,540 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-10-15 21:06:00,543 INFO L130 BoogieDeclarations]: Found specification of procedure smart2_intr_mask [2022-10-15 21:06:00,543 INFO L138 BoogieDeclarations]: Found implementation of procedure smart2_intr_mask [2022-10-15 21:06:00,543 INFO L130 BoogieDeclarations]: Found specification of procedure getgeometry [2022-10-15 21:06:00,543 INFO L138 BoogieDeclarations]: Found implementation of procedure getgeometry [2022-10-15 21:06:00,544 INFO L130 BoogieDeclarations]: Found specification of procedure ida_getgeo [2022-10-15 21:06:00,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ida_getgeo [2022-10-15 21:06:00,544 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-10-15 21:06:00,544 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2022-10-15 21:06:00,544 INFO L130 BoogieDeclarations]: Found specification of procedure smart4_fifo_full [2022-10-15 21:06:00,544 INFO L138 BoogieDeclarations]: Found implementation of procedure smart4_fifo_full [2022-10-15 21:06:00,544 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2022-10-15 21:06:00,545 INFO L138 BoogieDeclarations]: Found implementation of procedure memdup_user [2022-10-15 21:06:00,545 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-10-15 21:06:00,545 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-10-15 21:06:00,545 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-10-15 21:06:00,545 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-10-15 21:06:00,545 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-10-15 21:06:00,545 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-10-15 21:06:00,546 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-10-15 21:06:00,546 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-10-15 21:06:00,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:06:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-10-15 21:06:00,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-10-15 21:06:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-10-15 21:06:00,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-10-15 21:06:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure smart2e_completed [2022-10-15 21:06:00,548 INFO L138 BoogieDeclarations]: Found implementation of procedure smart2e_completed [2022-10-15 21:06:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:06:00,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:06:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure addQ [2022-10-15 21:06:00,548 INFO L138 BoogieDeclarations]: Found implementation of procedure addQ [2022-10-15 21:06:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-15 21:06:00,549 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-15 21:06:01,503 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:06:01,514 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:06:06,922 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:06:06,950 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:06:06,951 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 21:06:06,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:06:06 BoogieIcfgContainer [2022-10-15 21:06:06,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:06:06,960 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:06:06,961 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:06:06,966 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:06:06,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:05:55" (1/3) ... [2022-10-15 21:06:06,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@590d56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:06:06, skipping insertion in model container [2022-10-15 21:06:06,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:05:59" (2/3) ... [2022-10-15 21:06:06,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@590d56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:06:06, skipping insertion in model container [2022-10-15 21:06:06,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:06:06" (3/3) ... [2022-10-15 21:06:06,974 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--cpqarray.ko-main.cil.out.i [2022-10-15 21:06:07,006 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:06:07,006 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 86 error locations. [2022-10-15 21:06:07,212 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:06:07,223 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;@af701f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:06:07,224 INFO L358 AbstractCegarLoop]: Starting to check reachability of 86 error locations. [2022-10-15 21:06:07,237 INFO L276 IsEmpty]: Start isEmpty. Operand has 1529 states, 1063 states have (on average 1.4092191909689558) internal successors, (1498), 1175 states have internal predecessors, (1498), 284 states have call successors, (284), 95 states have call predecessors, (284), 95 states have return successors, (284), 278 states have call predecessors, (284), 284 states have call successors, (284) [2022-10-15 21:06:07,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-15 21:06:07,253 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:07,254 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:06:07,255 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ida_ioctlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-10-15 21:06:07,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:07,263 INFO L85 PathProgramCache]: Analyzing trace with hash -71318331, now seen corresponding path program 1 times [2022-10-15 21:06:07,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:07,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61365249] [2022-10-15 21:06:07,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:07,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:08,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:06:08,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:08,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61365249] [2022-10-15 21:06:08,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61365249] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:08,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:06:08,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:06:08,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915919261] [2022-10-15 21:06:08,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:08,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:06:08,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:08,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:06:08,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:06:08,249 INFO L87 Difference]: Start difference. First operand has 1529 states, 1063 states have (on average 1.4092191909689558) internal successors, (1498), 1175 states have internal predecessors, (1498), 284 states have call successors, (284), 95 states have call predecessors, (284), 95 states have return successors, (284), 278 states have call predecessors, (284), 284 states have call successors, (284) Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:06:08,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:08,796 INFO L93 Difference]: Finished difference Result 4551 states and 6274 transitions. [2022-10-15 21:06:08,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:06:08,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-10-15 21:06:08,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:08,884 INFO L225 Difference]: With dead ends: 4551 [2022-10-15 21:06:08,885 INFO L226 Difference]: Without dead ends: 2983 [2022-10-15 21:06:08,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:06:08,924 INFO L413 NwaCegarLoop]: 2577 mSDtfsCounter, 1998 mSDsluCounter, 2025 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1998 SdHoareTripleChecker+Valid, 4602 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:06:08,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1998 Valid, 4602 Invalid, 17 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:06:08,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2983 states. [2022-10-15 21:06:09,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2983 to 2901. [2022-10-15 21:06:09,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2901 states, 2073 states have (on average 1.387361312108056) internal successors, (2876), 2198 states have internal predecessors, (2876), 554 states have call successors, (554), 188 states have call predecessors, (554), 188 states have return successors, (554), 542 states have call predecessors, (554), 554 states have call successors, (554) [2022-10-15 21:06:09,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2901 states to 2901 states and 3984 transitions. [2022-10-15 21:06:09,388 INFO L78 Accepts]: Start accepts. Automaton has 2901 states and 3984 transitions. Word has length 13 [2022-10-15 21:06:09,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:06:09,389 INFO L495 AbstractCegarLoop]: Abstraction has 2901 states and 3984 transitions. [2022-10-15 21:06:09,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:06:09,391 INFO L276 IsEmpty]: Start isEmpty. Operand 2901 states and 3984 transitions. [2022-10-15 21:06:09,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-15 21:06:09,403 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:09,405 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:06:09,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:06:09,406 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting alloc_cpqarray_hbaErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ida_ioctlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-10-15 21:06:09,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:09,407 INFO L85 PathProgramCache]: Analyzing trace with hash 903598810, now seen corresponding path program 1 times [2022-10-15 21:06:09,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:09,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022896060] [2022-10-15 21:06:09,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:09,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:09,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:06:09,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:09,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022896060] [2022-10-15 21:06:09,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022896060] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:09,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:06:09,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:06:09,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589763] [2022-10-15 21:06:09,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:09,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:06:09,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:09,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:06:09,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:06:09,824 INFO L87 Difference]: Start difference. First operand 2901 states and 3984 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:06:10,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:10,382 INFO L93 Difference]: Finished difference Result 8479 states and 11634 transitions. [2022-10-15 21:06:10,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:06:10,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-10-15 21:06:10,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:10,468 INFO L225 Difference]: With dead ends: 8479 [2022-10-15 21:06:10,468 INFO L226 Difference]: Without dead ends: 5581 [2022-10-15 21:06:10,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:06:10,511 INFO L413 NwaCegarLoop]: 2565 mSDtfsCounter, 1846 mSDsluCounter, 2000 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1846 SdHoareTripleChecker+Valid, 4565 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:06:10,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1846 Valid, 4565 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:06:10,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5581 states. [2022-10-15 21:06:11,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5581 to 5507. [2022-10-15 21:06:11,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5507 states, 3973 states have (on average 1.3840926252202366) internal successors, (5499), 4136 states have internal predecessors, (5499), 1076 states have call successors, (1076), 372 states have call predecessors, (1076), 372 states have return successors, (1076), 1052 states have call predecessors, (1076), 1076 states have call successors, (1076) [2022-10-15 21:06:11,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5507 states to 5507 states and 7651 transitions. [2022-10-15 21:06:11,125 INFO L78 Accepts]: Start accepts. Automaton has 5507 states and 7651 transitions. Word has length 18 [2022-10-15 21:06:11,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:06:11,126 INFO L495 AbstractCegarLoop]: Abstraction has 5507 states and 7651 transitions. [2022-10-15 21:06:11,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:06:11,127 INFO L276 IsEmpty]: Start isEmpty. Operand 5507 states and 7651 transitions. [2022-10-15 21:06:11,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-15 21:06:11,130 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:11,130 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:06:11,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:06:11,131 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ida_ioctlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-10-15 21:06:11,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:11,132 INFO L85 PathProgramCache]: Analyzing trace with hash -266482212, now seen corresponding path program 1 times [2022-10-15 21:06:11,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:11,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344339139] [2022-10-15 21:06:11,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:11,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:11,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:11,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:06:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:11,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:06:11,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:11,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344339139] [2022-10-15 21:06:11,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344339139] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:11,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:06:11,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:06:11,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810050163] [2022-10-15 21:06:11,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:11,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:06:11,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:11,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:06:11,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:06:11,567 INFO L87 Difference]: Start difference. First operand 5507 states and 7651 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:06:12,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:12,338 INFO L93 Difference]: Finished difference Result 15886 states and 22000 transitions. [2022-10-15 21:06:12,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:06:12,339 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-10-15 21:06:12,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:12,469 INFO L225 Difference]: With dead ends: 15886 [2022-10-15 21:06:12,470 INFO L226 Difference]: Without dead ends: 10382 [2022-10-15 21:06:12,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:06:12,523 INFO L413 NwaCegarLoop]: 3032 mSDtfsCounter, 1979 mSDsluCounter, 1911 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1979 SdHoareTripleChecker+Valid, 4943 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:06:12,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1979 Valid, 4943 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:06:12,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10382 states. [2022-10-15 21:06:13,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10382 to 10312. [2022-10-15 21:06:13,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10312 states, 7460 states have (on average 1.3764075067024129) internal successors, (10268), 7687 states have internal predecessors, (10268), 2036 states have call successors, (2036), 730 states have call predecessors, (2036), 730 states have return successors, (2036), 1988 states have call predecessors, (2036), 2036 states have call successors, (2036) [2022-10-15 21:06:13,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10312 states to 10312 states and 14340 transitions. [2022-10-15 21:06:13,606 INFO L78 Accepts]: Start accepts. Automaton has 10312 states and 14340 transitions. Word has length 23 [2022-10-15 21:06:13,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:06:13,607 INFO L495 AbstractCegarLoop]: Abstraction has 10312 states and 14340 transitions. [2022-10-15 21:06:13,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:06:13,609 INFO L276 IsEmpty]: Start isEmpty. Operand 10312 states and 14340 transitions. [2022-10-15 21:06:13,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-15 21:06:13,611 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:13,612 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:06:13,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:06:13,612 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ida_ioctlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-10-15 21:06:13,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:13,613 INFO L85 PathProgramCache]: Analyzing trace with hash -2023687661, now seen corresponding path program 1 times [2022-10-15 21:06:13,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:13,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4429340] [2022-10-15 21:06:13,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:13,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:13,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:13,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-15 21:06:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:13,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-15 21:06:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:13,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:06:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:13,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:06:13,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:13,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4429340] [2022-10-15 21:06:13,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4429340] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:13,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:06:13,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:06:13,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850240877] [2022-10-15 21:06:13,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:13,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:06:13,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:13,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:06:13,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:06:13,929 INFO L87 Difference]: Start difference. First operand 10312 states and 14340 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-15 21:06:20,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:20,336 INFO L93 Difference]: Finished difference Result 27637 states and 38231 transitions. [2022-10-15 21:06:20,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:06:20,337 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2022-10-15 21:06:20,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:20,576 INFO L225 Difference]: With dead ends: 27637 [2022-10-15 21:06:20,577 INFO L226 Difference]: Without dead ends: 17328 [2022-10-15 21:06:20,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:06:20,654 INFO L413 NwaCegarLoop]: 2607 mSDtfsCounter, 2092 mSDsluCounter, 1790 mSDsCounter, 0 mSdLazyCounter, 1634 mSolverCounterSat, 795 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2289 SdHoareTripleChecker+Valid, 4397 SdHoareTripleChecker+Invalid, 2429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 795 IncrementalHoareTripleChecker+Valid, 1634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-10-15 21:06:20,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2289 Valid, 4397 Invalid, 2429 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [795 Valid, 1634 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-10-15 21:06:20,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17328 states. [2022-10-15 21:06:22,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17328 to 17262. [2022-10-15 21:06:22,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17262 states, 12556 states have (on average 1.3706594456833388) internal successors, (17210), 12885 states have internal predecessors, (17210), 3338 states have call successors, (3338), 1282 states have call predecessors, (3338), 1282 states have return successors, (3338), 3242 states have call predecessors, (3338), 3338 states have call successors, (3338) [2022-10-15 21:06:22,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17262 states to 17262 states and 23886 transitions. [2022-10-15 21:06:22,424 INFO L78 Accepts]: Start accepts. Automaton has 17262 states and 23886 transitions. Word has length 26 [2022-10-15 21:06:22,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:06:22,425 INFO L495 AbstractCegarLoop]: Abstraction has 17262 states and 23886 transitions. [2022-10-15 21:06:22,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-15 21:06:22,425 INFO L276 IsEmpty]: Start isEmpty. Operand 17262 states and 23886 transitions. [2022-10-15 21:06:22,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-15 21:06:22,428 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:22,429 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:06:22,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:06:22,429 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting alloc_cpqarray_hbaErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ida_ioctlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-10-15 21:06:22,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:22,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1787204380, now seen corresponding path program 1 times [2022-10-15 21:06:22,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:22,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119710944] [2022-10-15 21:06:22,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:22,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:22,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:22,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:06:22,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:22,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119710944] [2022-10-15 21:06:22,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119710944] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:22,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:06:22,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:06:22,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903650823] [2022-10-15 21:06:22,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:22,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:06:22,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:22,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:06:22,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:06:22,849 INFO L87 Difference]: Start difference. First operand 17262 states and 23886 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:06:24,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:24,302 INFO L93 Difference]: Finished difference Result 34641 states and 47981 transitions. [2022-10-15 21:06:24,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:06:24,303 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-10-15 21:06:24,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:24,476 INFO L225 Difference]: With dead ends: 34641 [2022-10-15 21:06:24,476 INFO L226 Difference]: Without dead ends: 17382 [2022-10-15 21:06:24,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:06:24,586 INFO L413 NwaCegarLoop]: 2010 mSDtfsCounter, 6 mSDsluCounter, 2004 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 4014 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:06:24,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 4014 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:06:24,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17382 states. [2022-10-15 21:06:25,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17382 to 17322. [2022-10-15 21:06:25,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17322 states, 12616 states have (on average 1.369847812301839) internal successors, (17282), 12945 states have internal predecessors, (17282), 3338 states have call successors, (3338), 1282 states have call predecessors, (3338), 1282 states have return successors, (3338), 3242 states have call predecessors, (3338), 3338 states have call successors, (3338) [2022-10-15 21:06:26,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17322 states to 17322 states and 23958 transitions. [2022-10-15 21:06:26,089 INFO L78 Accepts]: Start accepts. Automaton has 17322 states and 23958 transitions. Word has length 26 [2022-10-15 21:06:26,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:06:26,090 INFO L495 AbstractCegarLoop]: Abstraction has 17322 states and 23958 transitions. [2022-10-15 21:06:26,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:06:26,090 INFO L276 IsEmpty]: Start isEmpty. Operand 17322 states and 23958 transitions. [2022-10-15 21:06:26,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-15 21:06:26,094 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:26,094 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:06:26,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 21:06:26,095 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ida_ioctlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-10-15 21:06:26,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:26,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1760968468, now seen corresponding path program 1 times [2022-10-15 21:06:26,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:26,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930149671] [2022-10-15 21:06:26,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:26,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:26,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:26,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:06:26,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:26,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930149671] [2022-10-15 21:06:26,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930149671] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:26,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:06:26,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:06:26,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033448500] [2022-10-15 21:06:26,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:26,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:06:26,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:26,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:06:26,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:06:26,531 INFO L87 Difference]: Start difference. First operand 17322 states and 23958 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:06:27,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:27,771 INFO L93 Difference]: Finished difference Result 38102 states and 53706 transitions. [2022-10-15 21:06:27,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:06:27,771 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-10-15 21:06:27,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:27,953 INFO L225 Difference]: With dead ends: 38102 [2022-10-15 21:06:27,954 INFO L226 Difference]: Without dead ends: 20783 [2022-10-15 21:06:28,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:06:28,059 INFO L413 NwaCegarLoop]: 2275 mSDtfsCounter, 463 mSDsluCounter, 1964 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 527 SdHoareTripleChecker+Valid, 4239 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:06:28,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [527 Valid, 4239 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:06:28,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20783 states. [2022-10-15 21:06:29,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20783 to 17386. [2022-10-15 21:06:29,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17386 states, 12680 states have (on average 1.3705047318611987) internal successors, (17378), 13009 states have internal predecessors, (17378), 3338 states have call successors, (3338), 1282 states have call predecessors, (3338), 1282 states have return successors, (3338), 3242 states have call predecessors, (3338), 3338 states have call successors, (3338) [2022-10-15 21:06:30,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17386 states to 17386 states and 24054 transitions. [2022-10-15 21:06:30,014 INFO L78 Accepts]: Start accepts. Automaton has 17386 states and 24054 transitions. Word has length 26 [2022-10-15 21:06:30,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:06:30,015 INFO L495 AbstractCegarLoop]: Abstraction has 17386 states and 24054 transitions. [2022-10-15 21:06:30,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:06:30,015 INFO L276 IsEmpty]: Start isEmpty. Operand 17386 states and 24054 transitions. [2022-10-15 21:06:30,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-15 21:06:30,019 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:30,019 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:06:30,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 21:06:30,020 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ida_ioctlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-10-15 21:06:30,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:30,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1760968275, now seen corresponding path program 1 times [2022-10-15 21:06:30,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:30,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956282487] [2022-10-15 21:06:30,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:30,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:30,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:06:30,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:30,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956282487] [2022-10-15 21:06:30,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956282487] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:30,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:06:30,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:06:30,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601273439] [2022-10-15 21:06:30,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:30,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:06:30,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:30,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:06:30,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:06:30,370 INFO L87 Difference]: Start difference. First operand 17386 states and 24054 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:06:31,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:31,659 INFO L93 Difference]: Finished difference Result 34841 states and 48225 transitions. [2022-10-15 21:06:31,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:06:31,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-10-15 21:06:31,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:31,955 INFO L225 Difference]: With dead ends: 34841 [2022-10-15 21:06:31,955 INFO L226 Difference]: Without dead ends: 17458 [2022-10-15 21:06:32,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:06:32,072 INFO L413 NwaCegarLoop]: 2008 mSDtfsCounter, 4 mSDsluCounter, 2003 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 4011 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:06:32,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 4011 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:06:32,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17458 states. [2022-10-15 21:06:33,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17458 to 17458. [2022-10-15 21:06:33,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17458 states, 12752 states have (on average 1.3690401505646173) internal successors, (17458), 13081 states have internal predecessors, (17458), 3338 states have call successors, (3338), 1282 states have call predecessors, (3338), 1282 states have return successors, (3338), 3242 states have call predecessors, (3338), 3338 states have call successors, (3338) [2022-10-15 21:06:33,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17458 states to 17458 states and 24134 transitions. [2022-10-15 21:06:33,411 INFO L78 Accepts]: Start accepts. Automaton has 17458 states and 24134 transitions. Word has length 26 [2022-10-15 21:06:33,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:06:33,412 INFO L495 AbstractCegarLoop]: Abstraction has 17458 states and 24134 transitions. [2022-10-15 21:06:33,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:06:33,413 INFO L276 IsEmpty]: Start isEmpty. Operand 17458 states and 24134 transitions. [2022-10-15 21:06:33,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-15 21:06:33,416 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:33,417 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:06:33,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 21:06:33,417 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ida_ioctlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ida_ioctlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-10-15 21:06:33,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:33,418 INFO L85 PathProgramCache]: Analyzing trace with hash -463742885, now seen corresponding path program 1 times [2022-10-15 21:06:33,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:33,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610923610] [2022-10-15 21:06:33,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:33,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:33,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:33,705 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:06:33,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:33,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610923610] [2022-10-15 21:06:33,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610923610] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:33,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:06:33,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:06:33,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10756764] [2022-10-15 21:06:33,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:33,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:06:33,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:33,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:06:33,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:06:33,708 INFO L87 Difference]: Start difference. First operand 17458 states and 24134 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:06:36,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:36,110 INFO L93 Difference]: Finished difference Result 43671 states and 60342 transitions. [2022-10-15 21:06:36,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:06:36,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-10-15 21:06:36,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:36,354 INFO L225 Difference]: With dead ends: 43671 [2022-10-15 21:06:36,354 INFO L226 Difference]: Without dead ends: 26216 [2022-10-15 21:06:36,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:06:36,450 INFO L413 NwaCegarLoop]: 3121 mSDtfsCounter, 1987 mSDsluCounter, 1986 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1987 SdHoareTripleChecker+Valid, 5107 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:06:36,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1987 Valid, 5107 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:06:36,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26216 states.