./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5f08f0f0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1cfa724a0e5488a49a255704f489ef5170fce458d5f4c6e72fccac09d818b317 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-05 20:59:13,978 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-05 20:59:13,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-05 20:59:14,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-05 20:59:14,025 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-05 20:59:14,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-05 20:59:14,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-05 20:59:14,034 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-05 20:59:14,036 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-05 20:59:14,040 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-05 20:59:14,041 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-05 20:59:14,045 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-05 20:59:14,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-05 20:59:14,047 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-05 20:59:14,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-05 20:59:14,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-05 20:59:14,052 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-05 20:59:14,052 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-05 20:59:14,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-05 20:59:14,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-05 20:59:14,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-05 20:59:14,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-05 20:59:14,060 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-05 20:59:14,061 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-05 20:59:14,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-05 20:59:14,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-05 20:59:14,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-05 20:59:14,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-05 20:59:14,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-05 20:59:14,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-05 20:59:14,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-05 20:59:14,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-05 20:59:14,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-05 20:59:14,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-05 20:59:14,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-05 20:59:14,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-05 20:59:14,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-05 20:59:14,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-05 20:59:14,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-05 20:59:14,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-05 20:59:14,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-05 20:59:14,077 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-05 20:59:14,100 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-05 20:59:14,100 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-05 20:59:14,101 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-05 20:59:14,101 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-05 20:59:14,103 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-05 20:59:14,103 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-05 20:59:14,103 INFO L138 SettingsManager]: * Use SBE=true [2021-11-05 20:59:14,103 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-05 20:59:14,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-05 20:59:14,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-05 20:59:14,104 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-05 20:59:14,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-05 20:59:14,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-05 20:59:14,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-05 20:59:14,105 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-05 20:59:14,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-05 20:59:14,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-05 20:59:14,105 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-05 20:59:14,105 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-05 20:59:14,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 20:59:14,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-05 20:59:14,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-05 20:59:14,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-05 20:59:14,106 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-05 20:59:14,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-05 20:59:14,106 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-05 20:59:14,106 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-05 20:59:14,106 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-05 20:59:14,107 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-05 20:59:14,107 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cfa724a0e5488a49a255704f489ef5170fce458d5f4c6e72fccac09d818b317 [2021-11-05 20:59:14,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-05 20:59:14,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-05 20:59:14,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-05 20:59:14,369 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-05 20:59:14,370 INFO L275 PluginConnector]: CDTParser initialized [2021-11-05 20:59:14,371 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-05 20:59:14,421 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afe386225/79c865761b804fb3b5a6a0d12efe71eb/FLAG43829ea35 [2021-11-05 20:59:15,176 INFO L306 CDTParser]: Found 1 translation units. [2021-11-05 20:59:15,177 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-05 20:59:15,220 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afe386225/79c865761b804fb3b5a6a0d12efe71eb/FLAG43829ea35 [2021-11-05 20:59:15,444 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afe386225/79c865761b804fb3b5a6a0d12efe71eb [2021-11-05 20:59:15,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-05 20:59:15,447 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-05 20:59:15,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-05 20:59:15,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-05 20:59:15,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-05 20:59:15,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 08:59:15" (1/1) ... [2021-11-05 20:59:15,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d868c1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:59:15, skipping insertion in model container [2021-11-05 20:59:15,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 08:59:15" (1/1) ... [2021-11-05 20:59:15,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-05 20:59:15,599 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-05 20:59:19,706 WARN L228 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[522832,522845] [2021-11-05 20:59:19,709 WARN L228 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[522979,522992] [2021-11-05 20:59:19,709 WARN L228 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[523118,523131] [2021-11-05 20:59:19,709 WARN L228 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[523276,523289] [2021-11-05 20:59:19,739 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 20:59:19,776 INFO L203 MainTranslator]: Completed pre-run [2021-11-05 20:59:20,226 WARN L228 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[522832,522845] [2021-11-05 20:59:20,226 WARN L228 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[522979,522992] [2021-11-05 20:59:20,227 WARN L228 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[523118,523131] [2021-11-05 20:59:20,227 WARN L228 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[523276,523289] [2021-11-05 20:59:20,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 20:59:20,480 INFO L208 MainTranslator]: Completed translation [2021-11-05 20:59:20,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:59:20 WrapperNode [2021-11-05 20:59:20,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-05 20:59:20,481 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-05 20:59:20,481 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-05 20:59:20,482 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-05 20:59:20,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:59:20" (1/1) ... [2021-11-05 20:59:20,565 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:59:20" (1/1) ... [2021-11-05 20:59:23,118 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-05 20:59:23,120 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-05 20:59:23,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-05 20:59:23,120 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-05 20:59:23,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:59:20" (1/1) ... [2021-11-05 20:59:23,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:59:20" (1/1) ... [2021-11-05 20:59:23,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:59:20" (1/1) ... [2021-11-05 20:59:23,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:59:20" (1/1) ... [2021-11-05 20:59:25,418 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:59:20" (1/1) ... [2021-11-05 20:59:25,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:59:20" (1/1) ... [2021-11-05 20:59:25,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:59:20" (1/1) ... [2021-11-05 20:59:26,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-05 20:59:26,700 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-05 20:59:26,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-05 20:59:26,701 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-05 20:59:26,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:59:20" (1/1) ... [2021-11-05 20:59:26,709 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 20:59:26,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 20:59:26,731 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) [2021-11-05 20:59:26,736 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 [2021-11-05 20:59:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_open [2021-11-05 20:59:26,757 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_open [2021-11-05 20:59:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-05 20:59:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure enic_probe [2021-11-05 20:59:26,757 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_probe [2021-11-05 20:59:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-05 20:59:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_preassociate_rr [2021-11-05 20:59:26,758 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_preassociate_rr [2021-11-05 20:59:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-05 20:59:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-05 20:59:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-05 20:59:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-11-05 20:59:26,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-11-05 20:59:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-05 20:59:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-05 20:59:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-05 20:59:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-05 20:59:26,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-05 20:59:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_wait [2021-11-05 20:59:26,759 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_wait [2021-11-05 20:59:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-05 20:59:26,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-05 20:59:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_fill [2021-11-05 20:59:26,760 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_fill [2021-11-05 20:59:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-05 20:59:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-05 20:59:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-05 20:59:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-05 20:59:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-05 20:59:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-05 20:59:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure enic_open [2021-11-05 20:59:26,761 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_open [2021-11-05 20:59:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-05 20:59:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_associate [2021-11-05 20:59:26,761 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_associate [2021-11-05 20:59:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-05 20:59:26,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-05 20:59:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-05 21:13:30,368 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0; [2021-11-05 21:13:30,369 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res := 0; [2021-11-05 21:13:30,369 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2021-11-05 21:13:30,369 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0; [2021-11-05 21:13:30,375 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-05 21:13:30,376 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2021-11-05 21:13:34,199 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-05 21:13:34,200 INFO L299 CfgBuilder]: Removed 20448 assume(true) statements. [2021-11-05 21:13:34,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 09:13:34 BoogieIcfgContainer [2021-11-05 21:13:34,219 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-05 21:13:34,220 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-05 21:13:34,220 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-05 21:13:34,222 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-05 21:13:34,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 08:59:15" (1/3) ... [2021-11-05 21:13:34,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@415d9752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 09:13:34, skipping insertion in model container [2021-11-05 21:13:34,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:59:20" (2/3) ... [2021-11-05 21:13:34,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@415d9752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 09:13:34, skipping insertion in model container [2021-11-05 21:13:34,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 09:13:34" (3/3) ... [2021-11-05 21:13:34,224 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-05 21:13:34,228 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-05 21:13:34,228 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-05 21:13:34,322 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-05 21:13:34,329 INFO L339 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=PETRI_NET, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-05 21:13:34,329 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-05 21:13:34,624 INFO L276 IsEmpty]: Start isEmpty. Operand has 27223 states, 27185 states have (on average 1.4480044141990067) internal successors, (39364), 27187 states have internal predecessors, (39364), 25 states have call successors, (25), 10 states have call predecessors, (25), 10 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2021-11-05 21:13:34,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-05 21:13:34,635 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 21:13:34,636 INFO L514 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] [2021-11-05 21:13:34,637 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-05 21:13:34,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 21:13:34,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1411632568, now seen corresponding path program 1 times [2021-11-05 21:13:34,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 21:13:34,647 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946160077] [2021-11-05 21:13:34,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 21:13:34,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 21:13:35,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 21:13:35,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 21:13:35,801 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 21:13:35,801 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946160077] [2021-11-05 21:13:35,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946160077] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 21:13:35,802 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 21:13:35,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 21:13:35,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159831091] [2021-11-05 21:13:35,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 21:13:35,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 21:13:35,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 21:13:35,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 21:13:35,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 21:13:35,895 INFO L87 Difference]: Start difference. First operand has 27223 states, 27185 states have (on average 1.4480044141990067) internal successors, (39364), 27187 states have internal predecessors, (39364), 25 states have call successors, (25), 10 states have call predecessors, (25), 10 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Killed by 15