./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_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-kernel-locking-spinlock_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 e67e2bc34fcbd2c73471c74297e951ab7d19e1786ef29ca314a337764da3d651 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-05 20:44:48,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-05 20:44:48,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-05 20:44:48,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-05 20:44:48,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-05 20:44:48,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-05 20:44:48,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-05 20:44:48,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-05 20:44:48,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-05 20:44:48,642 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-05 20:44:48,643 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-05 20:44:48,644 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-05 20:44:48,644 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-05 20:44:48,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-05 20:44:48,645 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-05 20:44:48,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-05 20:44:48,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-05 20:44:48,647 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-05 20:44:48,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-05 20:44:48,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-05 20:44:48,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-05 20:44:48,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-05 20:44:48,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-05 20:44:48,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-05 20:44:48,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-05 20:44:48,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-05 20:44:48,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-05 20:44:48,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-05 20:44:48,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-05 20:44:48,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-05 20:44:48,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-05 20:44:48,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-05 20:44:48,659 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-05 20:44:48,660 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-05 20:44:48,661 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-05 20:44:48,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-05 20:44:48,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-05 20:44:48,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-05 20:44:48,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-05 20:44:48,662 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-05 20:44:48,663 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-05 20:44:48,664 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-05 20:44:48,678 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-05 20:44:48,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-05 20:44:48,678 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-05 20:44:48,678 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-05 20:44:48,679 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-05 20:44:48,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-05 20:44:48,679 INFO L138 SettingsManager]: * Use SBE=true [2021-11-05 20:44:48,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-05 20:44:48,680 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-05 20:44:48,680 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-05 20:44:48,680 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-05 20:44:48,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-05 20:44:48,680 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-05 20:44:48,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-05 20:44:48,680 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-05 20:44:48,681 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-05 20:44:48,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-05 20:44:48,681 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-05 20:44:48,681 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-05 20:44:48,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 20:44:48,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-05 20:44:48,681 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-05 20:44:48,682 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-05 20:44:48,682 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-05 20:44:48,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-05 20:44:48,688 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-05 20:44:48,688 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-05 20:44:48,689 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-05 20:44:48,689 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-05 20:44:48,689 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e67e2bc34fcbd2c73471c74297e951ab7d19e1786ef29ca314a337764da3d651 [2021-11-05 20:44:48,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-05 20:44:48,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-05 20:44:48,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-05 20:44:48,941 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-05 20:44:48,941 INFO L275 PluginConnector]: CDTParser initialized [2021-11-05 20:44:48,942 INFO L432 ainManager$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-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-05 20:44:49,001 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d84e8c25/5f52b3977bab40259cfaa689be12f03a/FLAG67cb0f0d1 [2021-11-05 20:44:49,755 INFO L306 CDTParser]: Found 1 translation units. [2021-11-05 20:44:49,756 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-05 20:44:49,805 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d84e8c25/5f52b3977bab40259cfaa689be12f03a/FLAG67cb0f0d1 [2021-11-05 20:44:49,838 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d84e8c25/5f52b3977bab40259cfaa689be12f03a [2021-11-05 20:44:49,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-05 20:44:49,842 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-05 20:44:49,843 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-05 20:44:49,843 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-05 20:44:49,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-05 20:44:49,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 08:44:49" (1/1) ... [2021-11-05 20:44:49,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4431f101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:44:49, skipping insertion in model container [2021-11-05 20:44:49,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 08:44:49" (1/1) ... [2021-11-05 20:44:49,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-05 20:44:50,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-05 20:44:54,235 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-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[570919,570932] [2021-11-05 20:44:54,237 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-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[571088,571101] [2021-11-05 20:44:54,238 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-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[571255,571268] [2021-11-05 20:44:54,238 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-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[571423,571436] [2021-11-05 20:44:54,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 20:44:54,313 INFO L203 MainTranslator]: Completed pre-run [2021-11-05 20:44:54,827 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-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[570919,570932] [2021-11-05 20:44:54,830 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-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[571088,571101] [2021-11-05 20:44:54,831 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-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[571255,571268] [2021-11-05 20:44:54,832 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-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[571423,571436] [2021-11-05 20:44:54,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 20:44:55,177 INFO L208 MainTranslator]: Completed translation [2021-11-05 20:44:55,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:44:55 WrapperNode [2021-11-05 20:44:55,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-05 20:44:55,179 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-05 20:44:55,179 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-05 20:44:55,179 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-05 20:44:55,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:44:55" (1/1) ... [2021-11-05 20:44:55,399 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:44:55" (1/1) ... [2021-11-05 20:44:57,787 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-05 20:44:57,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-05 20:44:57,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-05 20:44:57,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-05 20:44:57,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:44:55" (1/1) ... [2021-11-05 20:44:57,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:44:55" (1/1) ... [2021-11-05 20:44:58,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:44:55" (1/1) ... [2021-11-05 20:44:58,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:44:55" (1/1) ... [2021-11-05 20:45:00,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:44:55" (1/1) ... [2021-11-05 20:45:00,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:44:55" (1/1) ... [2021-11-05 20:45:00,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:44:55" (1/1) ... [2021-11-05 20:45:01,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-05 20:45:01,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-05 20:45:01,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-05 20:45:01,397 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-05 20:45:01,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:44:55" (1/1) ... [2021-11-05 20:45:01,413 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 20:45:01,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 20:45:01,441 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 20:45:01,445 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 20:45:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_open [2021-11-05 20:45:01,481 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_open [2021-11-05 20:45:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-05 20:45:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure enic_probe [2021-11-05 20:45:01,482 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_probe [2021-11-05 20:45:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_preassociate_rr [2021-11-05 20:45:01,482 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_preassociate_rr [2021-11-05 20:45:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-05 20:45:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-11-05 20:45:01,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-11-05 20:45:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-05 20:45:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-05 20:45:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-05 20:45:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-05 20:45:01,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-05 20:45:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_fill [2021-11-05 20:45:01,483 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_fill [2021-11-05 20:45:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-05 20:45:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-05 20:45:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-05 20:45:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-05 20:45:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-05 20:45:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-05 20:45:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-05 20:45:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-05 20:45:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-05 20:45:01,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-05 20:45:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_wait [2021-11-05 20:45:01,485 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_wait [2021-11-05 20:45:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-05 20:45:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-05 20:45:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure enic_open [2021-11-05 20:45:01,485 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_open [2021-11-05 20:45:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_associate [2021-11-05 20:45:01,485 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_associate [2021-11-05 20:45:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-05 20:45:01,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-05 20:45:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-05 20:59:03,042 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0; [2021-11-05 20:59:03,042 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res := 0; [2021-11-05 20:59:03,043 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2021-11-05 20:59:03,043 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0; [2021-11-05 20:59:03,048 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-05 20:59:03,048 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2021-11-05 20:59:06,850 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-05 20:59:06,851 INFO L299 CfgBuilder]: Removed 22144 assume(true) statements. [2021-11-05 20:59:06,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 08:59:06 BoogieIcfgContainer [2021-11-05 20:59:06,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-05 20:59:06,878 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-05 20:59:06,878 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-05 20:59:06,881 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-05 20:59:06,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 08:44:49" (1/3) ... [2021-11-05 20:59:06,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74844239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 08:59:06, skipping insertion in model container [2021-11-05 20:59:06,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:44:55" (2/3) ... [2021-11-05 20:59:06,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74844239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 08:59:06, skipping insertion in model container [2021-11-05 20:59:06,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 08:59:06" (3/3) ... [2021-11-05 20:59:06,886 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-05 20:59:06,891 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-05 20:59:06,891 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 239 error locations. [2021-11-05 20:59:07,114 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-05 20:59:07,120 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 20:59:07,121 INFO L340 AbstractCegarLoop]: Starting to check reachability of 239 error locations. [2021-11-05 20:59:07,436 INFO L276 IsEmpty]: Start isEmpty. Operand has 28984 states, 28710 states have (on average 1.4477533960292581) internal successors, (41565), 28948 states have internal predecessors, (41565), 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 20:59:07,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-05 20:59:07,447 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:59:07,447 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 20:59:07,448 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [enic_openErr0ASSERT_VIOLATIONERROR_FUNCTION, enic_openErr1ASSERT_VIOLATIONERROR_FUNCTION, enic_openErr2ASSERT_VIOLATIONERROR_FUNCTION (and 236 more)] === [2021-11-05 20:59:07,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:59:07,452 INFO L85 PathProgramCache]: Analyzing trace with hash -951489560, now seen corresponding path program 1 times [2021-11-05 20:59:07,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:59:07,459 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047513049] [2021-11-05 20:59:07,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:59:07,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:59:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:59:08,537 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 20:59:08,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:59:08,537 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047513049] [2021-11-05 20:59:08,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047513049] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:59:08,538 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:59:08,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:59:08,539 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099404561] [2021-11-05 20:59:08,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:59:08,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 20:59:08,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:59:08,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 20:59:08,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:59:08,634 INFO L87 Difference]: Start difference. First operand has 28984 states, 28710 states have (on average 1.4477533960292581) internal successors, (41565), 28948 states have internal predecessors, (41565), 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) [2021-11-05 20:59:10,797 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 20:59:13,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:59:13,083 INFO L93 Difference]: Finished difference Result 86152 states and 123762 transitions. [2021-11-05 20:59:13,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 20:59:13,086 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 60 [2021-11-05 20:59:13,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:59:13,283 INFO L225 Difference]: With dead ends: 86152 [2021-11-05 20:59:13,283 INFO L226 Difference]: Without dead ends: 56625 [2021-11-05 20:59:13,405 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 29.73ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:59:13,410 INFO L933 BasicCegarLoop]: 40973 mSDtfsCounter, 40586 mSDsluCounter, 40908 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2164.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 40586 SdHoareTripleChecker+Valid, 81881 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 148.84ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2412.97ms IncrementalHoareTripleChecker+Time [2021-11-05 20:59:13,410 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40586 Valid, 81881 Invalid, 14 Unknown, 0 Unchecked, 148.84ms Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 2412.97ms Time] [2021-11-05 20:59:13,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56625 states. [2021-11-05 20:59:14,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56625 to 56215. [2021-11-05 20:59:14,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56215 states, 55906 states have (on average 1.42786105248095) internal successors, (79826), 56144 states have internal predecessors, (79826), 50 states have call successors, (50), 20 states have call predecessors, (50), 20 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2021-11-05 20:59:14,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56215 states to 56215 states and 79926 transitions. [2021-11-05 20:59:14,760 INFO L78 Accepts]: Start accepts. Automaton has 56215 states and 79926 transitions. Word has length 60 [2021-11-05 20:59:14,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:59:14,761 INFO L470 AbstractCegarLoop]: Abstraction has 56215 states and 79926 transitions. [2021-11-05 20:59:14,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2021-11-05 20:59:14,763 INFO L276 IsEmpty]: Start isEmpty. Operand 56215 states and 79926 transitions. [2021-11-05 20:59:14,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-05 20:59:14,769 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:59:14,769 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, 1, 1, 1, 1, 1, 1] [2021-11-05 20:59:14,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-05 20:59:14,770 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [enic_openErr0ASSERT_VIOLATIONERROR_FUNCTION, enic_openErr1ASSERT_VIOLATIONERROR_FUNCTION, enic_openErr2ASSERT_VIOLATIONERROR_FUNCTION (and 236 more)] === [2021-11-05 20:59:14,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:59:14,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1322070426, now seen corresponding path program 1 times [2021-11-05 20:59:14,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:59:14,772 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456825825] [2021-11-05 20:59:14,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:59:14,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms Killed by 15