./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 c36dfa3b 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-c36dfa3 [2021-11-04 10:49:12,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-04 10:49:12,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-04 10:49:12,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-04 10:49:12,500 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-04 10:49:12,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-04 10:49:12,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-04 10:49:12,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-04 10:49:12,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-04 10:49:12,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-04 10:49:12,525 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-04 10:49:12,527 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-04 10:49:12,527 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-04 10:49:12,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-04 10:49:12,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-04 10:49:12,534 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-04 10:49:12,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-04 10:49:12,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-04 10:49:12,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-04 10:49:12,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-04 10:49:12,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-04 10:49:12,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-04 10:49:12,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-04 10:49:12,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-04 10:49:12,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-04 10:49:12,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-04 10:49:12,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-04 10:49:12,565 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-04 10:49:12,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-04 10:49:12,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-04 10:49:12,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-04 10:49:12,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-04 10:49:12,568 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-04 10:49:12,569 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-04 10:49:12,570 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-04 10:49:12,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-04 10:49:12,571 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-04 10:49:12,571 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-04 10:49:12,571 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-04 10:49:12,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-04 10:49:12,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-04 10:49:12,574 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-04 10:49:12,604 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-04 10:49:12,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-04 10:49:12,605 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-04 10:49:12,606 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-04 10:49:12,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-04 10:49:12,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-04 10:49:12,607 INFO L138 SettingsManager]: * Use SBE=true [2021-11-04 10:49:12,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-04 10:49:12,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-04 10:49:12,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-04 10:49:12,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-04 10:49:12,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-04 10:49:12,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-04 10:49:12,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-04 10:49:12,609 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-04 10:49:12,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-04 10:49:12,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-04 10:49:12,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-04 10:49:12,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-04 10:49:12,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 10:49:12,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-04 10:49:12,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-04 10:49:12,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-04 10:49:12,611 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-04 10:49:12,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-04 10:49:12,611 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-04 10:49:12,611 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-04 10:49:12,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-04 10:49:12,612 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-04 10:49:12,613 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cfa724a0e5488a49a255704f489ef5170fce458d5f4c6e72fccac09d818b317 [2021-11-04 10:49:12,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-04 10:49:12,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-04 10:49:12,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-04 10:49:12,937 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-04 10:49:12,938 INFO L275 PluginConnector]: CDTParser initialized [2021-11-04 10:49:12,939 INFO L432 ainManager$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 [2021-11-04 10:49:13,003 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18b619a33/920700152c634b67a5784cc8600f96dd/FLAGb7877cbcb [2021-11-04 10:49:13,993 INFO L306 CDTParser]: Found 1 translation units. [2021-11-04 10:49:13,993 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 [2021-11-04 10:49:14,081 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18b619a33/920700152c634b67a5784cc8600f96dd/FLAGb7877cbcb [2021-11-04 10:49:14,478 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18b619a33/920700152c634b67a5784cc8600f96dd [2021-11-04 10:49:14,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-04 10:49:14,482 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-04 10:49:14,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-04 10:49:14,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-04 10:49:14,486 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-04 10:49:14,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 10:49:14" (1/1) ... [2021-11-04 10:49:14,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fba61bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 10:49:14, skipping insertion in model container [2021-11-04 10:49:14,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 10:49:14" (1/1) ... [2021-11-04 10:49:14,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-04 10:49:14,642 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-04 10:49:21,127 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] [2021-11-04 10:49:21,130 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] [2021-11-04 10:49:21,131 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] [2021-11-04 10:49:21,131 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] [2021-11-04 10:49:21,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 10:49:21,264 INFO L203 MainTranslator]: Completed pre-run [2021-11-04 10:49:21,800 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] [2021-11-04 10:49:21,801 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] [2021-11-04 10:49:21,802 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] [2021-11-04 10:49:21,802 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] [2021-11-04 10:49:21,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 10:49:22,118 INFO L208 MainTranslator]: Completed translation [2021-11-04 10:49:22,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 10:49:22 WrapperNode [2021-11-04 10:49:22,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-04 10:49:22,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-04 10:49:22,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-04 10:49:22,121 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-04 10:49:22,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 10:49:22" (1/1) ... [2021-11-04 10:49:22,266 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 10:49:22" (1/1) ... [2021-11-04 10:49:25,792 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-04 10:49:25,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-04 10:49:25,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-04 10:49:25,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-04 10:49:25,803 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 10:49:22" (1/1) ... [2021-11-04 10:49:25,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 10:49:22" (1/1) ... [2021-11-04 10:49:26,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 10:49:22" (1/1) ... [2021-11-04 10:49:26,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 10:49:22" (1/1) ... [2021-11-04 10:49:28,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 10:49:22" (1/1) ... [2021-11-04 10:49:29,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 10:49:22" (1/1) ... [2021-11-04 10:49:29,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 10:49:22" (1/1) ... [2021-11-04 10:49:30,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-04 10:49:30,067 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-04 10:49:30,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-04 10:49:30,068 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-04 10:49:30,071 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 10:49:22" (1/1) ... [2021-11-04 10:49:30,078 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 10:49:30,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-04 10:49:30,104 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) [2021-11-04 10:49:30,107 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 [2021-11-04 10:49:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_open [2021-11-04 10:49:30,135 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_open [2021-11-04 10:49:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-04 10:49:30,136 INFO L130 BoogieDeclarations]: Found specification of procedure enic_probe [2021-11-04 10:49:30,136 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_probe [2021-11-04 10:49:30,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-04 10:49:30,136 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_preassociate_rr [2021-11-04 10:49:30,136 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_preassociate_rr [2021-11-04 10:49:30,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-04 10:49:30,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-04 10:49:30,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-04 10:49:30,137 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-11-04 10:49:30,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-11-04 10:49:30,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-04 10:49:30,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-04 10:49:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-04 10:49:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-04 10:49:30,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-04 10:49:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_wait [2021-11-04 10:49:30,138 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_wait [2021-11-04 10:49:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-04 10:49:30,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-04 10:49:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_fill [2021-11-04 10:49:30,139 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_fill [2021-11-04 10:49:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-04 10:49:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-04 10:49:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-04 10:49:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-04 10:49:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-04 10:49:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-04 10:49:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure enic_open [2021-11-04 10:49:30,140 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_open [2021-11-04 10:49:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-04 10:49:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_associate [2021-11-04 10:49:30,140 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_associate [2021-11-04 10:49:30,141 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-04 10:49:30,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-04 10:49:30,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-04 11:02:03,350 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0; [2021-11-04 11:02:03,350 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res := 0; [2021-11-04 11:02:03,351 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2021-11-04 11:02:03,352 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0; [2021-11-04 11:02:03,357 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-04 11:02:03,358 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2021-11-04 11:02:03,724 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-04 11:02:03,724 INFO L299 CfgBuilder]: Removed 20448 assume(true) statements. [2021-11-04 11:02:03,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 11:02:03 BoogieIcfgContainer [2021-11-04 11:02:03,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-04 11:02:03,749 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-04 11:02:03,749 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-04 11:02:03,752 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-04 11:02:03,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 10:49:14" (1/3) ... [2021-11-04 11:02:03,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29af947c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 11:02:03, skipping insertion in model container [2021-11-04 11:02:03,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 10:49:22" (2/3) ... [2021-11-04 11:02:03,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29af947c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 11:02:03, skipping insertion in model container [2021-11-04 11:02:03,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 11:02:03" (3/3) ... [2021-11-04 11:02:03,756 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-04 11:02:03,760 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-04 11:02:03,760 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-04 11:02:03,878 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-04 11:02:03,885 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 [2021-11-04 11:02:03,886 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-04 11:02:04,184 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) [2021-11-04 11:02:04,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-04 11:02:04,191 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 11:02:04,192 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] [2021-11-04 11:02:04,192 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-04 11:02:04,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 11:02:04,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1411632568, now seen corresponding path program 1 times [2021-11-04 11:02:04,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 11:02:04,204 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032795377] [2021-11-04 11:02:04,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 11:02:04,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 11:02:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 11:02:05,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 11:02:05,444 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 11:02:05,444 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032795377] [2021-11-04 11:02:05,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032795377] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 11:02:05,445 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 11:02:05,445 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 11:02:05,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749584342] [2021-11-04 11:02:05,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 11:02:05,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 11:02:05,451 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 11:02:05,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 11:02:05,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 11:02:05,537 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) [2021-11-04 11:02:07,827 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 11:02:35,132 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15