/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 13:15:16,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 13:15:16,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 13:15:16,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 13:15:16,205 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 13:15:16,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 13:15:16,215 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 13:15:16,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 13:15:16,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 13:15:16,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 13:15:16,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 13:15:16,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 13:15:16,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 13:15:16,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 13:15:16,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 13:15:16,256 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 13:15:16,258 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 13:15:16,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 13:15:16,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 13:15:16,274 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 13:15:16,276 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 13:15:16,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 13:15:16,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 13:15:16,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 13:15:16,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 13:15:16,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 13:15:16,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 13:15:16,295 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 13:15:16,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 13:15:16,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 13:15:16,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 13:15:16,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 13:15:16,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 13:15:16,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 13:15:16,303 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 13:15:16,303 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 13:15:16,304 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 13:15:16,304 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 13:15:16,305 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 13:15:16,306 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 13:15:16,307 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 13:15:16,308 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 13:15:16,361 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 13:15:16,361 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 13:15:16,362 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 13:15:16,363 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 13:15:16,365 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 13:15:16,365 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 13:15:16,368 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 13:15:16,368 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 13:15:16,368 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 13:15:16,368 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 13:15:16,369 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 13:15:16,370 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 13:15:16,370 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 13:15:16,370 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 13:15:16,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 13:15:16,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 13:15:16,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 13:15:16,371 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 13:15:16,371 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 13:15:16,371 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 13:15:16,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 13:15:16,372 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 13:15:16,372 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 13:15:16,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 13:15:16,373 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 13:15:16,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 13:15:16,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:15:16,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 13:15:16,373 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 13:15:16,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 13:15:16,374 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 13:15:16,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 13:15:16,374 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 13:15:16,375 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 13:15:16,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 13:15:16,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 13:15:16,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 13:15:16,865 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 13:15:16,865 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 13:15:16,867 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.i [2022-10-16 13:15:16,966 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5eaf699f2/4960f1efc8594850a5da11c34334d42f/FLAG706bbdac3 [2022-10-16 13:15:18,234 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 13:15:18,236 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.i [2022-10-16 13:15:18,310 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5eaf699f2/4960f1efc8594850a5da11c34334d42f/FLAG706bbdac3 [2022-10-16 13:15:18,466 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5eaf699f2/4960f1efc8594850a5da11c34334d42f [2022-10-16 13:15:18,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 13:15:18,478 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 13:15:18,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 13:15:18,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 13:15:18,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 13:15:18,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:15:18" (1/1) ... [2022-10-16 13:15:18,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@471ba7ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:18, skipping insertion in model container [2022-10-16 13:15:18,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:15:18" (1/1) ... [2022-10-16 13:15:18,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 13:15:18,712 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 13:15:19,327 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4296] [2022-10-16 13:15:19,328 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4297-4298] [2022-10-16 13:15:20,073 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.i[135082,135095] [2022-10-16 13:15:22,130 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:15:22,208 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 13:15:22,318 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4296] [2022-10-16 13:15:22,318 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4297-4298] [2022-10-16 13:15:22,332 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.i[135082,135095] [2022-10-16 13:15:22,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:15:23,086 INFO L208 MainTranslator]: Completed translation [2022-10-16 13:15:23,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:23 WrapperNode [2022-10-16 13:15:23,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 13:15:23,088 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 13:15:23,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 13:15:23,089 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 13:15:23,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:23" (1/1) ... [2022-10-16 13:15:23,299 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:23" (1/1) ... [2022-10-16 13:15:23,741 INFO L138 Inliner]: procedures = 362, calls = 6469, calls flagged for inlining = 182, calls inlined = 134, statements flattened = 9382 [2022-10-16 13:15:23,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 13:15:23,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 13:15:23,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 13:15:23,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 13:15:23,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:23" (1/1) ... [2022-10-16 13:15:23,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:23" (1/1) ... [2022-10-16 13:15:23,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:23" (1/1) ... [2022-10-16 13:15:23,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:23" (1/1) ... [2022-10-16 13:15:24,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:23" (1/1) ... [2022-10-16 13:15:24,179 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:23" (1/1) ... [2022-10-16 13:15:24,231 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:23" (1/1) ... [2022-10-16 13:15:24,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:23" (1/1) ... [2022-10-16 13:15:24,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 13:15:24,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 13:15:24,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 13:15:24,345 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 13:15:24,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:23" (1/1) ... [2022-10-16 13:15:24,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:15:24,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:15:24,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 13:15:24,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 13:15:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-10-16 13:15:24,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-10-16 13:15:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure blk_stop_queue [2022-10-16 13:15:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_stop_queue [2022-10-16 13:15:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_pcie_error_reporting [2022-10-16 13:15:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_pcie_error_reporting [2022-10-16 13:15:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-10-16 13:15:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-16 13:15:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 13:15:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure skd_skdev_state_to_str [2022-10-16 13:15:24,463 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_skdev_state_to_str [2022-10-16 13:15:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-10-16 13:15:24,463 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-10-16 13:15:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-16 13:15:24,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-16 13:15:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure skd_quiesce_dev [2022-10-16 13:15:24,464 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_quiesce_dev [2022-10-16 13:15:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-10-16 13:15:24,464 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-10-16 13:15:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-16 13:15:24,464 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-16 13:15:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-10-16 13:15:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-10-16 13:15:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 13:15:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 13:15:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure skd_cons_sg_list [2022-10-16 13:15:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_cons_sg_list [2022-10-16 13:15:24,465 INFO L130 BoogieDeclarations]: Found specification of procedure skd_start_device [2022-10-16 13:15:24,465 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_start_device [2022-10-16 13:15:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-10-16 13:15:24,466 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-10-16 13:15:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 13:15:24,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 13:15:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure skd_postop_sg_list [2022-10-16 13:15:24,466 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_postop_sg_list [2022-10-16 13:15:24,466 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-10-16 13:15:24,467 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-10-16 13:15:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_sectors [2022-10-16 13:15:24,467 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_sectors [2022-10-16 13:15:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure skd_log_skreq [2022-10-16 13:15:24,467 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_log_skreq [2022-10-16 13:15:24,467 INFO L130 BoogieDeclarations]: Found specification of procedure queue_flag_set_unlocked [2022-10-16 13:15:24,467 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_flag_set_unlocked [2022-10-16 13:15:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2022-10-16 13:15:24,468 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2022-10-16 13:15:24,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-16 13:15:24,468 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-16 13:15:24,469 INFO L130 BoogieDeclarations]: Found specification of procedure skd_disable_interrupts [2022-10-16 13:15:24,469 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_disable_interrupts [2022-10-16 13:15:24,469 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 13:15:24,469 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 13:15:24,469 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-10-16 13:15:24,469 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-10-16 13:15:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-10-16 13:15:24,470 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-10-16 13:15:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure skd_pci_remove [2022-10-16 13:15:24,470 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_pci_remove [2022-10-16 13:15:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure skd_drive_fault [2022-10-16 13:15:24,470 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_drive_fault [2022-10-16 13:15:24,470 INFO L130 BoogieDeclarations]: Found specification of procedure skd_isr_fwstate [2022-10-16 13:15:24,471 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_isr_fwstate [2022-10-16 13:15:24,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-10-16 13:15:24,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-10-16 13:15:24,471 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2022-10-16 13:15:24,471 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2022-10-16 13:15:24,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 13:15:24,471 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-16 13:15:24,472 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-16 13:15:24,472 INFO L130 BoogieDeclarations]: Found specification of procedure skd_drive_disappeared [2022-10-16 13:15:24,472 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_drive_disappeared [2022-10-16 13:15:24,472 INFO L130 BoogieDeclarations]: Found specification of procedure skd_sg_io_copy_buffer [2022-10-16 13:15:24,472 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_sg_io_copy_buffer [2022-10-16 13:15:24,472 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-10-16 13:15:24,473 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-10-16 13:15:24,473 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2022-10-16 13:15:24,473 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2022-10-16 13:15:24,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 13:15:24,473 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-10-16 13:15:24,473 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-10-16 13:15:24,473 INFO L130 BoogieDeclarations]: Found specification of procedure skd_reg_write64 [2022-10-16 13:15:24,474 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_reg_write64 [2022-10-16 13:15:24,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-10-16 13:15:24,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-10-16 13:15:24,474 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-10-16 13:15:24,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-10-16 13:15:24,474 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-16 13:15:24,474 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-16 13:15:24,475 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-10-16 13:15:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-10-16 13:15:24,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 13:15:24,475 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-10-16 13:15:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-10-16 13:15:24,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 13:15:24,475 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-16 13:15:24,476 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-16 13:15:24,476 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2022-10-16 13:15:24,476 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2022-10-16 13:15:24,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2022-10-16 13:15:24,476 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-16 13:15:24,476 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-16 13:15:24,476 INFO L130 BoogieDeclarations]: Found specification of procedure skd_soft_reset [2022-10-16 13:15:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_soft_reset [2022-10-16 13:15:24,477 INFO L130 BoogieDeclarations]: Found specification of procedure skd_start_timer [2022-10-16 13:15:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_start_timer [2022-10-16 13:15:24,477 INFO L130 BoogieDeclarations]: Found specification of procedure skd_reg_write32 [2022-10-16 13:15:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_reg_write32 [2022-10-16 13:15:24,477 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-10-16 13:15:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-10-16 13:15:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2022-10-16 13:15:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2022-10-16 13:15:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-16 13:15:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-16 13:15:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-16 13:15:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-16 13:15:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-16 13:15:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure blk_requeue_request [2022-10-16 13:15:24,479 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_requeue_request [2022-10-16 13:15:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-16 13:15:24,479 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-16 13:15:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2022-10-16 13:15:24,479 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2022-10-16 13:15:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 13:15:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2022-10-16 13:15:24,480 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2022-10-16 13:15:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure skd_restart_device [2022-10-16 13:15:24,480 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_restart_device [2022-10-16 13:15:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 13:15:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2022-10-16 13:15:24,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2022-10-16 13:15:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-16 13:15:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-16 13:15:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure skd_reg_read32 [2022-10-16 13:15:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_reg_read32 [2022-10-16 13:15:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-16 13:15:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-16 13:15:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2022-10-16 13:15:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2022-10-16 13:15:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-10-16 13:15:24,482 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-10-16 13:15:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-10-16 13:15:24,482 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-10-16 13:15:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2022-10-16 13:15:24,482 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_queue [2022-10-16 13:15:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 13:15:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-16 13:15:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-10-16 13:15:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-10-16 13:15:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 13:15:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-10-16 13:15:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-10-16 13:15:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-10-16 13:15:24,484 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-10-16 13:15:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure skd_send_internal_skspcl [2022-10-16 13:15:24,484 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_send_internal_skspcl [2022-10-16 13:15:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure skd_release_special [2022-10-16 13:15:24,484 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_release_special [2022-10-16 13:15:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 13:15:24,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 13:15:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2022-10-16 13:15:24,485 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2022-10-16 13:15:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure skd_release_irq [2022-10-16 13:15:24,485 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_release_irq [2022-10-16 13:15:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-10-16 13:15:24,485 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-10-16 13:15:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure skd_free_sg_list [2022-10-16 13:15:24,485 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_free_sg_list [2022-10-16 13:15:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure skd_destruct [2022-10-16 13:15:24,486 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_destruct [2022-10-16 13:15:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure skd_drive_state_to_str [2022-10-16 13:15:24,486 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_drive_state_to_str [2022-10-16 13:15:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 13:15:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-10-16 13:15:24,486 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-10-16 13:15:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 13:15:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure skd_send_special_fitmsg [2022-10-16 13:15:24,487 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_send_special_fitmsg [2022-10-16 13:15:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-10-16 13:15:24,487 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-10-16 13:15:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 13:15:24,488 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request_all [2022-10-16 13:15:24,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_end_request_all [2022-10-16 13:15:24,488 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-16 13:15:24,488 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2022-10-16 13:15:24,488 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2022-10-16 13:15:24,488 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-10-16 13:15:24,488 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-10-16 13:15:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-10-16 13:15:24,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-10-16 13:15:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-16 13:15:24,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-10-16 13:15:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure skd_name [2022-10-16 13:15:24,489 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_name [2022-10-16 13:15:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-16 13:15:24,490 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-16 13:15:24,490 INFO L130 BoogieDeclarations]: Found specification of procedure skd_release_msix [2022-10-16 13:15:24,490 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_release_msix [2022-10-16 13:15:24,490 INFO L130 BoogieDeclarations]: Found specification of procedure skd_end_request [2022-10-16 13:15:24,490 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_end_request [2022-10-16 13:15:24,490 INFO L130 BoogieDeclarations]: Found specification of procedure skd_recover_requests [2022-10-16 13:15:24,490 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_recover_requests [2022-10-16 13:15:24,491 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-10-16 13:15:24,491 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-10-16 13:15:24,491 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-16 13:15:24,491 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-16 13:15:24,491 INFO L130 BoogieDeclarations]: Found specification of procedure devm_free_irq [2022-10-16 13:15:24,491 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_free_irq [2022-10-16 13:15:24,491 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-10-16 13:15:24,491 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-10-16 13:15:24,492 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2022-10-16 13:15:24,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2022-10-16 13:15:24,492 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-10-16 13:15:24,492 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-10-16 13:15:24,492 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-10-16 13:15:24,492 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-10-16 13:15:24,492 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-10-16 13:15:24,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-10-16 13:15:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-10-16 13:15:24,493 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-10-16 13:15:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure skd_pci_shutdown [2022-10-16 13:15:24,493 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_pci_shutdown [2022-10-16 13:15:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-10-16 13:15:24,493 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-10-16 13:15:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 13:15:24,494 INFO L130 BoogieDeclarations]: Found specification of procedure skd_stop_device [2022-10-16 13:15:24,494 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_stop_device [2022-10-16 13:15:24,494 INFO L130 BoogieDeclarations]: Found specification of procedure skd_acquire_irq [2022-10-16 13:15:24,494 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_acquire_irq [2022-10-16 13:15:24,494 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-10-16 13:15:24,494 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-10-16 13:15:24,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 13:15:24,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 13:15:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2022-10-16 13:15:24,495 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2022-10-16 13:15:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_irq [2022-10-16 13:15:24,495 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_irq [2022-10-16 13:15:25,423 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 13:15:25,428 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 13:15:25,710 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-16 13:15:25,983 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5440: assume __copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-10-16 13:15:25,984 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5440: assume !__copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#t~switch289#1 := __copy_to_user_nocheck_#t~switch289#1 || 4 == __copy_to_user_nocheck_~size#1; [2022-10-16 13:15:25,984 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5467: SUMMARY for call __copy_to_user_nocheck_#t~ret291#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~3#1 then 1 else 0), 0); srcloc: null [2022-10-16 13:15:25,984 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5467-1: assume -2147483648 <= __copy_to_user_nocheck_#t~ret291#1 && __copy_to_user_nocheck_#t~ret291#1 <= 2147483647;__copy_to_user_nocheck_~tmp___1~7#1 := __copy_to_user_nocheck_#t~ret291#1;havoc __copy_to_user_nocheck_#t~ret291#1; [2022-10-16 13:15:25,984 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5455: SUMMARY for call __copy_to_user_nocheck_#t~ret290#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~3#1 then 1 else 0), 0); srcloc: null [2022-10-16 13:15:25,985 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5455-1: assume -2147483648 <= __copy_to_user_nocheck_#t~ret290#1 && __copy_to_user_nocheck_#t~ret290#1 <= 2147483647;__copy_to_user_nocheck_~tmp___0~11#1 := __copy_to_user_nocheck_#t~ret290#1;havoc __copy_to_user_nocheck_#t~ret290#1; [2022-10-16 13:15:25,985 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume __copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-10-16 13:15:25,985 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !__copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#t~switch289#1 := __copy_to_user_nocheck_#t~switch289#1 || 2 == __copy_to_user_nocheck_~size#1; [2022-10-16 13:15:25,985 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5476: assume __copy_to_user_nocheck_#t~switch289#1; [2022-10-16 13:15:25,985 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5476: assume !__copy_to_user_nocheck_#t~switch289#1; [2022-10-16 13:15:25,985 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5435: havoc __copy_to_user_nocheck_#t~switch289#1; [2022-10-16 13:15:25,986 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5468: assume 0 != __copy_to_user_nocheck_~tmp___1~7#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-10-16 13:15:25,986 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5468: assume !(0 != __copy_to_user_nocheck_~tmp___1~7#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-10-16 13:15:25,986 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5464: assume __copy_to_user_nocheck_#t~switch289#1; [2022-10-16 13:15:25,986 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5464: assume !__copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#t~switch289#1 := true; [2022-10-16 13:15:25,986 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5456: assume 0 != __copy_to_user_nocheck_~tmp___0~11#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-10-16 13:15:25,986 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5456: assume !(0 != __copy_to_user_nocheck_~tmp___0~11#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-10-16 13:15:25,987 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5452: assume __copy_to_user_nocheck_#t~switch289#1; [2022-10-16 13:15:25,987 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5452: assume !__copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#t~switch289#1 := __copy_to_user_nocheck_#t~switch289#1 || 16 == __copy_to_user_nocheck_~size#1; [2022-10-16 13:15:25,987 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5448: assume __copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-10-16 13:15:25,987 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5448: assume !__copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#t~switch289#1 := __copy_to_user_nocheck_#t~switch289#1 || 10 == __copy_to_user_nocheck_~size#1; [2022-10-16 13:15:25,987 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5477: SUMMARY for call __copy_to_user_nocheck_#t~ret292#1 := copy_user_generic(__copy_to_user_nocheck_~dst#1.base, __copy_to_user_nocheck_~dst#1.offset, __copy_to_user_nocheck_~src#1.base, __copy_to_user_nocheck_~src#1.offset, __copy_to_user_nocheck_~size#1); srcloc: null [2022-10-16 13:15:25,987 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5444: assume __copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-10-16 13:15:25,987 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5444: assume !__copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#t~switch289#1 := __copy_to_user_nocheck_#t~switch289#1 || 8 == __copy_to_user_nocheck_~size#1; [2022-10-16 13:15:25,988 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5477-1: __copy_to_user_nocheck_~tmp___2~3#1 := __copy_to_user_nocheck_#t~ret292#1;havoc __copy_to_user_nocheck_#t~ret292#1;__copy_to_user_nocheck_#res#1 := (if __copy_to_user_nocheck_~tmp___2~3#1 % 4294967296 % 4294967296 <= 2147483647 then __copy_to_user_nocheck_~tmp___2~3#1 % 4294967296 % 4294967296 else __copy_to_user_nocheck_~tmp___2~3#1 % 4294967296 % 4294967296 - 4294967296); [2022-10-16 13:15:29,018 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5362: havoc __copy_from_user_nocheck_#t~switch283#1; [2022-10-16 13:15:29,018 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5387: SUMMARY for call __copy_from_user_nocheck_#t~ret284#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~2#1 then 1 else 0), 0); srcloc: null [2022-10-16 13:15:29,019 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5387-1: assume -2147483648 <= __copy_from_user_nocheck_#t~ret284#1 && __copy_from_user_nocheck_#t~ret284#1 <= 2147483647;__copy_from_user_nocheck_~tmp___0~10#1 := __copy_from_user_nocheck_#t~ret284#1;havoc __copy_from_user_nocheck_#t~ret284#1; [2022-10-16 13:15:29,019 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5383: assume __copy_from_user_nocheck_#t~switch283#1; [2022-10-16 13:15:29,019 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5383: assume !__copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#t~switch283#1 := __copy_from_user_nocheck_#t~switch283#1 || 16 == __copy_from_user_nocheck_~size#1; [2022-10-16 13:15:29,019 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5400-1: assume -2147483648 <= __copy_from_user_nocheck_#t~ret285#1 && __copy_from_user_nocheck_#t~ret285#1 <= 2147483647;__copy_from_user_nocheck_~tmp___1~6#1 := __copy_from_user_nocheck_#t~ret285#1;havoc __copy_from_user_nocheck_#t~ret285#1; [2022-10-16 13:15:29,019 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5400: SUMMARY for call __copy_from_user_nocheck_#t~ret285#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~2#1 then 1 else 0), 0); srcloc: null [2022-10-16 13:15:29,019 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5396: assume __copy_from_user_nocheck_#t~switch283#1; [2022-10-16 13:15:29,020 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5396: assume !__copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#t~switch283#1 := true; [2022-10-16 13:15:29,020 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5388: assume 0 != __copy_from_user_nocheck_~tmp___0~10#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-10-16 13:15:29,020 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5388: assume !(0 != __copy_from_user_nocheck_~tmp___0~10#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-10-16 13:15:29,020 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5409: assume __copy_from_user_nocheck_#t~switch283#1; [2022-10-16 13:15:29,020 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5409: assume !__copy_from_user_nocheck_#t~switch283#1; [2022-10-16 13:15:29,020 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5401: assume 0 != __copy_from_user_nocheck_~tmp___1~6#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-10-16 13:15:29,020 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5401: assume !(0 != __copy_from_user_nocheck_~tmp___1~6#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-10-16 13:15:29,021 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5368: assume __copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-10-16 13:15:29,021 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5368: assume !__copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#t~switch283#1 := __copy_from_user_nocheck_#t~switch283#1 || 4 == __copy_from_user_nocheck_~size#1; [2022-10-16 13:15:29,021 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume __copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-10-16 13:15:29,021 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5410: SUMMARY for call __copy_from_user_nocheck_#t~ret286#1 := copy_user_generic(__copy_from_user_nocheck_~dst#1.base, __copy_from_user_nocheck_~dst#1.offset, __copy_from_user_nocheck_~src#1.base, __copy_from_user_nocheck_~src#1.offset, __copy_from_user_nocheck_~size#1); srcloc: null [2022-10-16 13:15:29,021 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !__copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#t~switch283#1 := __copy_from_user_nocheck_#t~switch283#1 || 2 == __copy_from_user_nocheck_~size#1; [2022-10-16 13:15:29,021 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5410-1: __copy_from_user_nocheck_~tmp___2~2#1 := __copy_from_user_nocheck_#t~ret286#1;havoc __copy_from_user_nocheck_#t~ret286#1;__copy_from_user_nocheck_#res#1 := (if __copy_from_user_nocheck_~tmp___2~2#1 % 4294967296 % 4294967296 <= 2147483647 then __copy_from_user_nocheck_~tmp___2~2#1 % 4294967296 % 4294967296 else __copy_from_user_nocheck_~tmp___2~2#1 % 4294967296 % 4294967296 - 4294967296); [2022-10-16 13:15:29,022 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5373: assume __copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-10-16 13:15:29,022 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5373: assume !__copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#t~switch283#1 := __copy_from_user_nocheck_#t~switch283#1 || 8 == __copy_from_user_nocheck_~size#1; [2022-10-16 13:15:29,022 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5378: assume __copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-10-16 13:15:29,022 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5378: assume !__copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#t~switch283#1 := __copy_from_user_nocheck_#t~switch283#1 || 10 == __copy_from_user_nocheck_~size#1; [2022-10-16 13:15:38,227 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 13:15:38,264 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 13:15:38,265 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 13:15:38,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:15:38 BoogieIcfgContainer [2022-10-16 13:15:38,271 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 13:15:38,275 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 13:15:38,276 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 13:15:38,280 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 13:15:38,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:15:18" (1/3) ... [2022-10-16 13:15:38,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@376284d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:15:38, skipping insertion in model container [2022-10-16 13:15:38,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:15:23" (2/3) ... [2022-10-16 13:15:38,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@376284d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:15:38, skipping insertion in model container [2022-10-16 13:15:38,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:15:38" (3/3) ... [2022-10-16 13:15:38,283 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.i [2022-10-16 13:15:38,305 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 13:15:38,306 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 60 error locations. [2022-10-16 13:15:38,473 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 13:15:38,482 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;@1993f6cc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 13:15:38,482 INFO L358 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2022-10-16 13:15:38,497 INFO L276 IsEmpty]: Start isEmpty. Operand has 2482 states, 1798 states have (on average 1.407119021134594) internal successors, (2530), 1901 states have internal predecessors, (2530), 516 states have call successors, (516), 108 states have call predecessors, (516), 107 states have return successors, (511), 499 states have call predecessors, (511), 511 states have call successors, (511) [2022-10-16 13:15:38,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-16 13:15:38,517 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:15:38,518 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:15:38,519 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [lowmem_page_addressErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, lowmem_page_addressErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, lowmem_page_addressErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-16 13:15:38,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:15:38,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1419964675, now seen corresponding path program 1 times [2022-10-16 13:15:38,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:15:38,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122319318] [2022-10-16 13:15:38,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:15:38,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:15:39,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:39,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:15:39,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:39,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:15:39,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:39,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:15:39,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:39,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:15:39,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:39,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 13:15:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:39,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 13:15:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:39,891 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 13:15:39,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:15:39,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122319318] [2022-10-16 13:15:39,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122319318] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:15:39,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:15:39,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:15:39,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808352500] [2022-10-16 13:15:39,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:15:39,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:15:39,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:15:39,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:15:39,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:15:39,964 INFO L87 Difference]: Start difference. First operand has 2482 states, 1798 states have (on average 1.407119021134594) internal successors, (2530), 1901 states have internal predecessors, (2530), 516 states have call successors, (516), 108 states have call predecessors, (516), 107 states have return successors, (511), 499 states have call predecessors, (511), 511 states have call successors, (511) Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-16 13:15:56,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:15:56,142 INFO L93 Difference]: Finished difference Result 6681 states and 9801 transitions. [2022-10-16 13:15:56,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:15:56,146 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 52 [2022-10-16 13:15:56,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:15:56,205 INFO L225 Difference]: With dead ends: 6681 [2022-10-16 13:15:56,205 INFO L226 Difference]: Without dead ends: 4155 [2022-10-16 13:15:56,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:15:56,234 INFO L413 NwaCegarLoop]: 3707 mSDtfsCounter, 3635 mSDsluCounter, 5788 mSDsCounter, 0 mSdLazyCounter, 3794 mSolverCounterSat, 1906 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3835 SdHoareTripleChecker+Valid, 9495 SdHoareTripleChecker+Invalid, 5700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1906 IncrementalHoareTripleChecker+Valid, 3794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2022-10-16 13:15:56,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3835 Valid, 9495 Invalid, 5700 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1906 Valid, 3794 Invalid, 0 Unknown, 0 Unchecked, 15.4s Time] [2022-10-16 13:15:56,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4155 states. [2022-10-16 13:15:56,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4155 to 3767. [2022-10-16 13:15:56,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3767 states, 2783 states have (on average 1.3887890765361122) internal successors, (3865), 2901 states have internal predecessors, (3865), 748 states have call successors, (748), 176 states have call predecessors, (748), 176 states have return successors, (748), 726 states have call predecessors, (748), 748 states have call successors, (748) [2022-10-16 13:15:56,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3767 states to 3767 states and 5361 transitions. [2022-10-16 13:15:56,700 INFO L78 Accepts]: Start accepts. Automaton has 3767 states and 5361 transitions. Word has length 52 [2022-10-16 13:15:56,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:15:56,701 INFO L495 AbstractCegarLoop]: Abstraction has 3767 states and 5361 transitions. [2022-10-16 13:15:56,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-16 13:15:56,702 INFO L276 IsEmpty]: Start isEmpty. Operand 3767 states and 5361 transitions. [2022-10-16 13:15:56,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 13:15:56,711 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:15:56,712 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:15:56,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 13:15:56,712 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting skd_recover_requestsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [lowmem_page_addressErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, lowmem_page_addressErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, lowmem_page_addressErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-16 13:15:56,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:15:56,713 INFO L85 PathProgramCache]: Analyzing trace with hash 145101837, now seen corresponding path program 1 times [2022-10-16 13:15:56,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:15:56,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573416615] [2022-10-16 13:15:56,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:15:56,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:15:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:57,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:15:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:57,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:15:57,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:57,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:15:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:57,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:15:57,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:57,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-16 13:15:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:57,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:15:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:57,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:15:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:57,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-16 13:15:57,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:57,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 13:15:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:15:57,805 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-16 13:15:57,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:15:57,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573416615] [2022-10-16 13:15:57,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573416615] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:15:57,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:15:57,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 13:15:57,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265545603] [2022-10-16 13:15:57,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:15:57,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 13:15:57,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:15:57,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 13:15:57,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-16 13:15:57,810 INFO L87 Difference]: Start difference. First operand 3767 states and 5361 transitions. Second operand has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (11), 6 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-16 13:16:02,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:16:23,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:16:26,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:16:41,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:16:41,815 INFO L93 Difference]: Finished difference Result 20203 states and 29355 transitions. [2022-10-16 13:16:41,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-10-16 13:16:41,815 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (11), 6 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 86 [2022-10-16 13:16:41,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:16:41,944 INFO L225 Difference]: With dead ends: 20203 [2022-10-16 13:16:41,944 INFO L226 Difference]: Without dead ends: 16455 [2022-10-16 13:16:41,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=190, Invalid=460, Unknown=0, NotChecked=0, Total=650 [2022-10-16 13:16:41,974 INFO L413 NwaCegarLoop]: 4271 mSDtfsCounter, 16864 mSDsluCounter, 8887 mSDsCounter, 0 mSdLazyCounter, 17182 mSolverCounterSat, 9466 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18050 SdHoareTripleChecker+Valid, 13158 SdHoareTripleChecker+Invalid, 26648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 9466 IncrementalHoareTripleChecker+Valid, 17182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.9s IncrementalHoareTripleChecker+Time [2022-10-16 13:16:41,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18050 Valid, 13158 Invalid, 26648 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [9466 Valid, 17182 Invalid, 0 Unknown, 0 Unchecked, 41.9s Time] [2022-10-16 13:16:41,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16455 states. [2022-10-16 13:16:42,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16455 to 14954. [2022-10-16 13:16:43,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14954 states, 11203 states have (on average 1.3888244220298134) internal successors, (15559), 11498 states have internal predecessors, (15559), 2979 states have call successors, (2979), 701 states have call predecessors, (2979), 712 states have return successors, (3083), 2902 states have call predecessors, (3083), 2979 states have call successors, (3083) [2022-10-16 13:16:43,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14954 states to 14954 states and 21621 transitions. [2022-10-16 13:16:43,123 INFO L78 Accepts]: Start accepts. Automaton has 14954 states and 21621 transitions. Word has length 86 [2022-10-16 13:16:43,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:16:43,124 INFO L495 AbstractCegarLoop]: Abstraction has 14954 states and 21621 transitions. [2022-10-16 13:16:43,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (11), 6 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-16 13:16:43,125 INFO L276 IsEmpty]: Start isEmpty. Operand 14954 states and 21621 transitions. [2022-10-16 13:16:43,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 13:16:43,129 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:16:43,130 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:16:43,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 13:16:43,131 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting skd_recover_requestsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [lowmem_page_addressErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, lowmem_page_addressErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, lowmem_page_addressErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-16 13:16:43,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:16:43,132 INFO L85 PathProgramCache]: Analyzing trace with hash -71718091, now seen corresponding path program 1 times [2022-10-16 13:16:43,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:16:43,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587928342] [2022-10-16 13:16:43,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:16:43,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:16:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:43,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:16:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:43,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:16:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:44,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:16:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:44,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:16:44,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:44,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:16:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:44,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 13:16:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:44,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:16:44,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:44,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-16 13:16:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:44,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 13:16:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:44,091 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-16 13:16:44,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:16:44,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587928342] [2022-10-16 13:16:44,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587928342] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:16:44,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:16:44,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 13:16:44,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836195579] [2022-10-16 13:16:44,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:16:44,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 13:16:44,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:16:44,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 13:16:44,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-16 13:16:44,098 INFO L87 Difference]: Start difference. First operand 14954 states and 21621 transitions. Second operand has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (11), 6 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-16 13:16:48,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:16:49,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:17:08,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:17:12,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:17:26,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:17:29,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:17:29,513 INFO L93 Difference]: Finished difference Result 79896 states and 117726 transitions. [2022-10-16 13:17:29,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-10-16 13:17:29,514 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (11), 6 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 84 [2022-10-16 13:17:29,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:17:30,141 INFO L225 Difference]: With dead ends: 79896 [2022-10-16 13:17:30,141 INFO L226 Difference]: Without dead ends: 64961 [2022-10-16 13:17:30,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=190, Invalid=460, Unknown=0, NotChecked=0, Total=650 [2022-10-16 13:17:30,254 INFO L413 NwaCegarLoop]: 4264 mSDtfsCounter, 18370 mSDsluCounter, 7749 mSDsCounter, 0 mSdLazyCounter, 15381 mSolverCounterSat, 9413 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19550 SdHoareTripleChecker+Valid, 12013 SdHoareTripleChecker+Invalid, 24795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 9413 IncrementalHoareTripleChecker+Valid, 15381 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:17:30,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19550 Valid, 12013 Invalid, 24795 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [9413 Valid, 15381 Invalid, 1 Unknown, 0 Unchecked, 42.0s Time] [2022-10-16 13:17:30,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64961 states. [2022-10-16 13:17:34,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64961 to 59896. [2022-10-16 13:17:34,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59896 states, 45065 states have (on average 1.3878397869743704) internal successors, (62543), 46054 states have internal predecessors, (62543), 11901 states have call successors, (11901), 2801 states have call predecessors, (11901), 2870 states have return successors, (12653), 11620 states have call predecessors, (12653), 11901 states have call successors, (12653) [2022-10-16 13:17:35,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59896 states to 59896 states and 87097 transitions. [2022-10-16 13:17:35,412 INFO L78 Accepts]: Start accepts. Automaton has 59896 states and 87097 transitions. Word has length 84 [2022-10-16 13:17:35,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:17:35,415 INFO L495 AbstractCegarLoop]: Abstraction has 59896 states and 87097 transitions. [2022-10-16 13:17:35,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (11), 6 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-16 13:17:35,415 INFO L276 IsEmpty]: Start isEmpty. Operand 59896 states and 87097 transitions. [2022-10-16 13:17:35,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 13:17:35,419 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:17:35,419 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:17:35,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 13:17:35,420 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting skd_recover_requestsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [lowmem_page_addressErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, lowmem_page_addressErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, lowmem_page_addressErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2022-10-16 13:17:35,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:17:35,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1130961830, now seen corresponding path program 1 times [2022-10-16 13:17:35,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:17:35,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174557019] [2022-10-16 13:17:35,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:17:35,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:17:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:36,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:17:36,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:36,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:17:36,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:36,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:17:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:36,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:17:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:36,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:17:36,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:36,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 13:17:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:36,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:17:36,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:36,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-16 13:17:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:36,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-16 13:17:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:36,868 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-16 13:17:36,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:17:36,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174557019] [2022-10-16 13:17:36,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174557019] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:17:36,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:17:36,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 13:17:36,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048900427] [2022-10-16 13:17:36,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:17:36,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 13:17:36,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:17:36,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 13:17:36,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-16 13:17:36,873 INFO L87 Difference]: Start difference. First operand 59896 states and 87097 transitions. Second operand has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (11), 6 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-16 13:17:41,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:17:43,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:18:04,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:18:08,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:18:25,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:18:31,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:18:31,505 INFO L93 Difference]: Finished difference Result 318314 states and 470756 transitions. [2022-10-16 13:18:31,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-10-16 13:18:31,506 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (11), 6 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 83 [2022-10-16 13:18:31,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:18:34,223 INFO L225 Difference]: With dead ends: 318314 [2022-10-16 13:18:34,224 INFO L226 Difference]: Without dead ends: 258437 [2022-10-16 13:18:34,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=190, Invalid=460, Unknown=0, NotChecked=0, Total=650 [2022-10-16 13:18:34,740 INFO L413 NwaCegarLoop]: 4444 mSDtfsCounter, 19294 mSDsluCounter, 8030 mSDsCounter, 0 mSdLazyCounter, 15021 mSolverCounterSat, 10477 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20490 SdHoareTripleChecker+Valid, 12474 SdHoareTripleChecker+Invalid, 25501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10477 IncrementalHoareTripleChecker+Valid, 15021 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.5s IncrementalHoareTripleChecker+Time [2022-10-16 13:18:34,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20490 Valid, 12474 Invalid, 25501 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10477 Valid, 15021 Invalid, 3 Unknown, 0 Unchecked, 43.5s Time] [2022-10-16 13:18:35,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258437 states. [2022-10-16 13:18:49,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258437 to 239918. [2022-10-16 13:18:50,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239918 states, 180905 states have (on average 1.387076089660319) internal successors, (250929), 184518 states have internal predecessors, (250929), 47485 states have call successors, (47485), 11169 states have call predecessors, (47485), 11468 states have return successors, (51432), 46404 states have call predecessors, (51432), 47485 states have call successors, (51432)