/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 13:52:10,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 13:52:10,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 13:52:10,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 13:52:10,287 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 13:52:10,292 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 13:52:10,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 13:52:10,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 13:52:10,309 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 13:52:10,315 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 13:52:10,316 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 13:52:10,318 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 13:52:10,318 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 13:52:10,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 13:52:10,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 13:52:10,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 13:52:10,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 13:52:10,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 13:52:10,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 13:52:10,348 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 13:52:10,350 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 13:52:10,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 13:52:10,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 13:52:10,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 13:52:10,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 13:52:10,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 13:52:10,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 13:52:10,382 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 13:52:10,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 13:52:10,384 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 13:52:10,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 13:52:10,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 13:52:10,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 13:52:10,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 13:52:10,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 13:52:10,389 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 13:52:10,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 13:52:10,390 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 13:52:10,390 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 13:52:10,391 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 13:52:10,392 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 13:52:10,393 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 13:52:10,452 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 13:52:10,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 13:52:10,458 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 13:52:10,458 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 13:52:10,458 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 13:52:10,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 13:52:10,459 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 13:52:10,459 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 13:52:10,459 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 13:52:10,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 13:52:10,461 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 13:52:10,462 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 13:52:10,462 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 13:52:10,462 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 13:52:10,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 13:52:10,463 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 13:52:10,463 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 13:52:10,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 13:52:10,463 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 13:52:10,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 13:52:10,464 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 13:52:10,464 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 13:52:10,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 13:52:10,465 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 13:52:10,465 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 13:52:10,465 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 13:52:10,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 13:52:10,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 13:52:10,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 13:52:10,928 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 13:52:10,929 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 13:52:10,934 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i [2020-12-22 13:52:11,041 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80e61268f/2fd3646757c54f8c872405912c0eb80b/FLAGe9554dab3 [2020-12-22 13:52:12,337 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 13:52:12,338 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i [2020-12-22 13:52:12,401 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80e61268f/2fd3646757c54f8c872405912c0eb80b/FLAGe9554dab3 [2020-12-22 13:52:12,651 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80e61268f/2fd3646757c54f8c872405912c0eb80b [2020-12-22 13:52:12,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 13:52:12,660 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 13:52:12,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 13:52:12,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 13:52:12,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 13:52:12,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:52:12" (1/1) ... [2020-12-22 13:52:12,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@198af02a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:52:12, skipping insertion in model container [2020-12-22 13:52:12,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:52:12" (1/1) ... [2020-12-22 13:52:12,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 13:52:12,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 13:52:16,248 WARN L226 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-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i[270369,270382] [2020-12-22 13:52:16,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 13:52:16,437 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 13:52:17,111 WARN L226 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-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i[270369,270382] [2020-12-22 13:52:17,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 13:52:17,870 INFO L208 MainTranslator]: Completed translation [2020-12-22 13:52:17,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:52:17 WrapperNode [2020-12-22 13:52:17,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 13:52:17,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 13:52:17,873 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 13:52:17,873 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 13:52:17,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:52:17" (1/1) ... [2020-12-22 13:52:18,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:52:17" (1/1) ... [2020-12-22 13:52:20,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 13:52:20,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 13:52:20,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 13:52:20,380 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 13:52:20,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:52:17" (1/1) ... [2020-12-22 13:52:20,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:52:17" (1/1) ... [2020-12-22 13:52:21,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:52:17" (1/1) ... [2020-12-22 13:52:21,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:52:17" (1/1) ... [2020-12-22 13:52:22,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:52:17" (1/1) ... [2020-12-22 13:52:23,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:52:17" (1/1) ... [2020-12-22 13:52:23,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:52:17" (1/1) ... [2020-12-22 13:52:23,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 13:52:23,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 13:52:23,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 13:52:23,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 13:52:23,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:52:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 13:52:24,233 INFO L130 BoogieDeclarations]: Found specification of procedure bt_event [2020-12-22 13:52:24,233 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_event [2020-12-22 13:52:24,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-22 13:52:24,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-22 13:52:24,234 INFO L130 BoogieDeclarations]: Found specification of procedure reset_flags [2020-12-22 13:52:24,234 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_flags [2020-12-22 13:52:24,234 INFO L130 BoogieDeclarations]: Found specification of procedure clear_obf [2020-12-22 13:52:24,234 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_obf [2020-12-22 13:52:24,235 INFO L130 BoogieDeclarations]: Found specification of procedure smi_event_handler [2020-12-22 13:52:24,235 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_event_handler [2020-12-22 13:52:24,235 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte___0 [2020-12-22 13:52:24,235 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte___0 [2020-12-22 13:52:24,235 INFO L130 BoogieDeclarations]: Found specification of procedure read_status [2020-12-22 13:52:24,235 INFO L138 BoogieDeclarations]: Found implementation of procedure read_status [2020-12-22 13:52:24,235 INFO L130 BoogieDeclarations]: Found specification of procedure drain_BMC2HOST [2020-12-22 13:52:24,236 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_BMC2HOST [2020-12-22 13:52:24,236 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_status [2020-12-22 13:52:24,236 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_status [2020-12-22 13:52:24,236 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_event [2020-12-22 13:52:24,236 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_event [2020-12-22 13:52:24,236 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte [2020-12-22 13:52:24,237 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte [2020-12-22 13:52:24,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 13:52:24,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 13:52:24,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 13:52:24,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 13:52:24,237 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2020-12-22 13:52:24,237 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_one_si [2020-12-22 13:52:24,238 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_one_si [2020-12-22 13:52:24,238 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_remove [2020-12-22 13:52:24,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_remove [2020-12-22 13:52:24,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-12-22 13:52:24,238 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2020-12-22 13:52:24,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2020-12-22 13:52:24,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-22 13:52:24,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 13:52:24,239 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2020-12-22 13:52:24,239 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2020-12-22 13:52:24,239 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_flags [2020-12-22 13:52:24,239 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_flags [2020-12-22 13:52:24,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 13:52:24,239 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_data [2020-12-22 13:52:24,239 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_data [2020-12-22 13:52:24,240 INFO L130 BoogieDeclarations]: Found specification of procedure handle_flags [2020-12-22 13:52:24,240 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_flags [2020-12-22 13:52:24,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 13:52:24,240 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_thread [2020-12-22 13:52:24,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_thread [2020-12-22 13:52:24,240 INFO L130 BoogieDeclarations]: Found specification of procedure poll [2020-12-22 13:52:24,240 INFO L138 BoogieDeclarations]: Found implementation of procedure poll [2020-12-22 13:52:24,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 13:52:24,241 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-12-22 13:52:24,241 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-12-22 13:52:24,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-12-22 13:52:24,241 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-12-22 13:52:24,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-12-22 13:52:24,241 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pnp_remove [2020-12-22 13:52:24,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pnp_remove [2020-12-22 13:52:24,241 INFO L130 BoogieDeclarations]: Found specification of procedure read_all_bytes [2020-12-22 13:52:24,242 INFO L138 BoogieDeclarations]: Found implementation of procedure read_all_bytes [2020-12-22 13:52:24,242 INFO L130 BoogieDeclarations]: Found specification of procedure smic_event [2020-12-22 13:52:24,242 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_event [2020-12-22 13:52:24,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 13:52:24,242 INFO L130 BoogieDeclarations]: Found specification of procedure handle_transaction_done [2020-12-22 13:52:24,242 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_transaction_done [2020-12-22 13:52:24,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 13:52:24,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 13:54:45,035 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 13:54:45,036 INFO L299 CfgBuilder]: Removed 7356 assume(true) statements. [2020-12-22 13:54:45,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:54:45 BoogieIcfgContainer [2020-12-22 13:54:45,051 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 13:54:45,055 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 13:54:45,055 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 13:54:45,058 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 13:54:45,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 01:52:12" (1/3) ... [2020-12-22 13:54:45,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31a9e3c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:54:45, skipping insertion in model container [2020-12-22 13:54:45,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:52:17" (2/3) ... [2020-12-22 13:54:45,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31a9e3c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:54:45, skipping insertion in model container [2020-12-22 13:54:45,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:54:45" (3/3) ... [2020-12-22 13:54:45,062 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i [2020-12-22 13:54:45,069 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 13:54:45,080 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 58 error locations. [2020-12-22 13:54:45,101 INFO L253 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2020-12-22 13:54:45,180 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 13:54:45,180 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 13:54:45,181 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 13:54:45,181 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 13:54:45,181 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 13:54:45,181 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 13:54:45,181 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 13:54:45,181 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 13:54:45,468 INFO L276 IsEmpty]: Start isEmpty. Operand 10501 states. [2020-12-22 13:54:45,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-22 13:54:45,478 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:54:45,479 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:54:45,480 INFO L429 AbstractCegarLoop]: === Iteration 1 === [cleanup_one_siErr1ASSERT_VIOLATIONERROR_FUNCTION, cleanup_one_siErr0ASSERT_VIOLATIONERROR_FUNCTION, cleanup_one_siErr2ASSERT_VIOLATIONERROR_FUNCTION, cleanup_one_siErr3ASSERT_VIOLATIONERROR_FUNCTION, smi_event_handlerErr4ASSERT_VIOLATIONERROR_FUNCTION, smi_event_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, smi_event_handlerErr5ASSERT_VIOLATIONERROR_FUNCTION, smi_event_handlerErr3ASSERT_VIOLATIONERROR_FUNCTION, smi_event_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, smi_event_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION, handle_transaction_doneErr4ASSERT_VIOLATIONERROR_FUNCTION, handle_transaction_doneErr1ASSERT_VIOLATIONERROR_FUNCTION, handle_transaction_doneErr0ASSERT_VIOLATIONERROR_FUNCTION, handle_transaction_doneErr2ASSERT_VIOLATIONERROR_FUNCTION, handle_transaction_doneErr5ASSERT_VIOLATIONERROR_FUNCTION, handle_transaction_doneErr3ASSERT_VIOLATIONERROR_FUNCTION, ipmi_threadErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_threadErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, pollErr0ASSERT_VIOLATIONERROR_FUNCTION, pollErr1ASSERT_VIOLATIONERROR_FUNCTION, handle_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, handle_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:54:45,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:54:45,487 INFO L82 PathProgramCache]: Analyzing trace with hash 182779664, now seen corresponding path program 1 times [2020-12-22 13:54:45,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:54:45,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674184292] [2020-12-22 13:54:45,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:54:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:54:46,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 13:54:46,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674184292] [2020-12-22 13:54:46,559 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:54:46,560 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 13:54:46,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85054756] [2020-12-22 13:54:46,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 13:54:46,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:54:46,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 13:54:46,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 13:54:46,591 INFO L87 Difference]: Start difference. First operand 10501 states. Second operand 2 states. [2020-12-22 13:54:47,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:54:47,264 INFO L93 Difference]: Finished difference Result 20998 states and 32305 transitions. [2020-12-22 13:54:47,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 13:54:47,267 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 82 [2020-12-22 13:54:47,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:54:47,410 INFO L225 Difference]: With dead ends: 20998 [2020-12-22 13:54:47,411 INFO L226 Difference]: Without dead ends: 10474 [2020-12-22 13:54:47,507 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 13:54:47,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10474 states. [2020-12-22 13:54:47,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10474 to 10474. [2020-12-22 13:54:47,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10474 states. [2020-12-22 13:54:48,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10474 states to 10474 states and 15762 transitions. [2020-12-22 13:54:48,011 INFO L78 Accepts]: Start accepts. Automaton has 10474 states and 15762 transitions. Word has length 82 [2020-12-22 13:54:48,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:54:48,011 INFO L481 AbstractCegarLoop]: Abstraction has 10474 states and 15762 transitions. [2020-12-22 13:54:48,011 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 13:54:48,012 INFO L276 IsEmpty]: Start isEmpty. Operand 10474 states and 15762 transitions. [2020-12-22 13:54:48,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-22 13:54:48,023 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:54:48,024 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:54:48,024 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 13:54:48,027 INFO L429 AbstractCegarLoop]: === Iteration 2 === [cleanup_one_siErr1ASSERT_VIOLATIONERROR_FUNCTION, cleanup_one_siErr0ASSERT_VIOLATIONERROR_FUNCTION, cleanup_one_siErr2ASSERT_VIOLATIONERROR_FUNCTION, cleanup_one_siErr3ASSERT_VIOLATIONERROR_FUNCTION, smi_event_handlerErr4ASSERT_VIOLATIONERROR_FUNCTION, smi_event_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, smi_event_handlerErr5ASSERT_VIOLATIONERROR_FUNCTION, smi_event_handlerErr3ASSERT_VIOLATIONERROR_FUNCTION, smi_event_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, smi_event_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION, handle_transaction_doneErr4ASSERT_VIOLATIONERROR_FUNCTION, handle_transaction_doneErr1ASSERT_VIOLATIONERROR_FUNCTION, handle_transaction_doneErr0ASSERT_VIOLATIONERROR_FUNCTION, handle_transaction_doneErr2ASSERT_VIOLATIONERROR_FUNCTION, handle_transaction_doneErr5ASSERT_VIOLATIONERROR_FUNCTION, handle_transaction_doneErr3ASSERT_VIOLATIONERROR_FUNCTION, ipmi_threadErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_threadErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, pollErr0ASSERT_VIOLATIONERROR_FUNCTION, pollErr1ASSERT_VIOLATIONERROR_FUNCTION, handle_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, handle_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:54:48,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:54:48,031 INFO L82 PathProgramCache]: Analyzing trace with hash 23053988, now seen corresponding path program 1 times [2020-12-22 13:54:48,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:54:48,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417406203] [2020-12-22 13:54:48,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:54:48,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:54:48,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 13:54:48,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417406203] [2020-12-22 13:54:48,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:54:48,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 13:54:48,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210462085] [2020-12-22 13:54:48,780 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 13:54:48,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:54:48,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 13:54:48,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-22 13:54:48,781 INFO L87 Difference]: Start difference. First operand 10474 states and 15762 transitions. Second operand 5 states. [2020-12-22 13:55:00,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:55:00,813 INFO L93 Difference]: Finished difference Result 51954 states and 79057 transitions. [2020-12-22 13:55:00,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 13:55:00,815 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-12-22 13:55:00,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:55:01,395 INFO L225 Difference]: With dead ends: 51954 [2020-12-22 13:55:01,396 INFO L226 Difference]: Without dead ends: 41559 [2020-12-22 13:55:01,527 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-22 13:55:01,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41559 states. [2020-12-22 13:55:03,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41559 to 41210. [2020-12-22 13:55:03,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41210 states. [2020-12-22 13:55:03,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41210 states to 41210 states and 62841 transitions. [2020-12-22 13:55:03,282 INFO L78 Accepts]: Start accepts. Automaton has 41210 states and 62841 transitions. Word has length 82 [2020-12-22 13:55:03,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:55:03,283 INFO L481 AbstractCegarLoop]: Abstraction has 41210 states and 62841 transitions. [2020-12-22 13:55:03,283 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 13:55:03,283 INFO L276 IsEmpty]: Start isEmpty. Operand 41210 states and 62841 transitions. [2020-12-22 13:55:03,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-22 13:55:03,285 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:55:03,285 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:55:03,285 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 13:55:03,286 INFO L429 AbstractCegarLoop]: === Iteration 3 === [cleanup_one_siErr1ASSERT_VIOLATIONERROR_FUNCTION, cleanup_one_siErr0ASSERT_VIOLATIONERROR_FUNCTION, cleanup_one_siErr2ASSERT_VIOLATIONERROR_FUNCTION, cleanup_one_siErr3ASSERT_VIOLATIONERROR_FUNCTION, smi_event_handlerErr4ASSERT_VIOLATIONERROR_FUNCTION, smi_event_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, smi_event_handlerErr5ASSERT_VIOLATIONERROR_FUNCTION, smi_event_handlerErr3ASSERT_VIOLATIONERROR_FUNCTION, smi_event_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, smi_event_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION, handle_transaction_doneErr4ASSERT_VIOLATIONERROR_FUNCTION, handle_transaction_doneErr1ASSERT_VIOLATIONERROR_FUNCTION, handle_transaction_doneErr0ASSERT_VIOLATIONERROR_FUNCTION, handle_transaction_doneErr2ASSERT_VIOLATIONERROR_FUNCTION, handle_transaction_doneErr5ASSERT_VIOLATIONERROR_FUNCTION, handle_transaction_doneErr3ASSERT_VIOLATIONERROR_FUNCTION, ipmi_threadErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_threadErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, pollErr0ASSERT_VIOLATIONERROR_FUNCTION, pollErr1ASSERT_VIOLATIONERROR_FUNCTION, handle_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, handle_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:55:03,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:55:03,287 INFO L82 PathProgramCache]: Analyzing trace with hash 848293157, now seen corresponding path program 1 times [2020-12-22 13:55:03,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:55:03,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405275435] [2020-12-22 13:55:03,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:55:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:55:03,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 13:55:03,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405275435] [2020-12-22 13:55:03,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:55:03,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 13:55:03,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301409144] [2020-12-22 13:55:03,985 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 13:55:03,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:55:03,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 13:55:03,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-22 13:55:03,986 INFO L87 Difference]: Start difference. First operand 41210 states and 62841 transitions. Second operand 5 states. [2020-12-22 13:55:17,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:55:17,655 INFO L93 Difference]: Finished difference Result 205517 states and 320584 transitions. [2020-12-22 13:55:17,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 13:55:17,657 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2020-12-22 13:55:17,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:55:18,747 INFO L225 Difference]: With dead ends: 205517 [2020-12-22 13:55:18,747 INFO L226 Difference]: Without dead ends: 164386 [2020-12-22 13:55:19,586 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-22 13:55:19,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164386 states. [2020-12-22 13:55:25,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164386 to 164028. [2020-12-22 13:55:25,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164028 states. [2020-12-22 13:55:27,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164028 states to 164028 states and 254517 transitions. [2020-12-22 13:55:27,234 INFO L78 Accepts]: Start accepts. Automaton has 164028 states and 254517 transitions. Word has length 83 [2020-12-22 13:55:27,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:55:27,235 INFO L481 AbstractCegarLoop]: Abstraction has 164028 states and 254517 transitions. [2020-12-22 13:55:27,235 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 13:55:27,236 INFO L276 IsEmpty]: Start isEmpty. Operand 164028 states and 254517 transitions. [2020-12-22 13:55:27,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-22 13:55:27,237 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:55:27,237 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:55:27,237 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 13:55:27,238 INFO L429 AbstractCegarLoop]: === Iteration 4 === [cleanup_one_siErr1ASSERT_VIOLATIONERROR_FUNCTION, cleanup_one_siErr0ASSERT_VIOLATIONERROR_FUNCTION, cleanup_one_siErr2ASSERT_VIOLATIONERROR_FUNCTION, cleanup_one_siErr3ASSERT_VIOLATIONERROR_FUNCTION, smi_event_handlerErr4ASSERT_VIOLATIONERROR_FUNCTION, smi_event_handlerErr0ASSERT_VIOLATIONERROR_FUNCTION, smi_event_handlerErr5ASSERT_VIOLATIONERROR_FUNCTION, smi_event_handlerErr3ASSERT_VIOLATIONERROR_FUNCTION, smi_event_handlerErr1ASSERT_VIOLATIONERROR_FUNCTION, smi_event_handlerErr2ASSERT_VIOLATIONERROR_FUNCTION, handle_transaction_doneErr4ASSERT_VIOLATIONERROR_FUNCTION, handle_transaction_doneErr1ASSERT_VIOLATIONERROR_FUNCTION, handle_transaction_doneErr0ASSERT_VIOLATIONERROR_FUNCTION, handle_transaction_doneErr2ASSERT_VIOLATIONERROR_FUNCTION, handle_transaction_doneErr5ASSERT_VIOLATIONERROR_FUNCTION, handle_transaction_doneErr3ASSERT_VIOLATIONERROR_FUNCTION, ipmi_threadErr1ASSERT_VIOLATIONERROR_FUNCTION, ipmi_threadErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, pollErr0ASSERT_VIOLATIONERROR_FUNCTION, pollErr1ASSERT_VIOLATIONERROR_FUNCTION, handle_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, handle_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:55:27,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:55:27,239 INFO L82 PathProgramCache]: Analyzing trace with hash 660903763, now seen corresponding path program 1 times [2020-12-22 13:55:27,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:55:27,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739699028] [2020-12-22 13:55:27,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:55:27,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:55:27,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 13:55:27,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739699028] [2020-12-22 13:55:27,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:55:27,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 13:55:27,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539780291] [2020-12-22 13:55:27,733 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 13:55:27,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:55:27,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 13:55:27,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-22 13:55:27,734 INFO L87 Difference]: Start difference. First operand 164028 states and 254517 transitions. Second operand 5 states.