./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_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_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 dbb2be61a1eb664d217dd34c641f2c1314cec21ca43537debb14552a18ba1a09 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-c36dfa3 [2021-11-04 11:37:46,609 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-04 11:37:46,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-04 11:37:46,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-04 11:37:46,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-04 11:37:46,667 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-04 11:37:46,668 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-04 11:37:46,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-04 11:37:46,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-04 11:37:46,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-04 11:37:46,683 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-04 11:37:46,684 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-04 11:37:46,685 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-04 11:37:46,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-04 11:37:46,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-04 11:37:46,693 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-04 11:37:46,694 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-04 11:37:46,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-04 11:37:46,696 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-04 11:37:46,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-04 11:37:46,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-04 11:37:46,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-04 11:37:46,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-04 11:37:46,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-04 11:37:46,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-04 11:37:46,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-04 11:37:46,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-04 11:37:46,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-04 11:37:46,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-04 11:37:46,711 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-04 11:37:46,711 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-04 11:37:46,712 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-04 11:37:46,713 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-04 11:37:46,714 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-04 11:37:46,714 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-04 11:37:46,715 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-04 11:37:46,715 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-04 11:37:46,715 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-04 11:37:46,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-04 11:37:46,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-04 11:37:46,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-04 11:37:46,718 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-04 11:37:46,748 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-04 11:37:46,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-04 11:37:46,749 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-04 11:37:46,749 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-04 11:37:46,750 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-04 11:37:46,750 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-04 11:37:46,750 INFO L138 SettingsManager]: * Use SBE=true [2021-11-04 11:37:46,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-04 11:37:46,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-04 11:37:46,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-04 11:37:46,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-04 11:37:46,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-04 11:37:46,752 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-04 11:37:46,752 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-04 11:37:46,752 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-04 11:37:46,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-04 11:37:46,752 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-04 11:37:46,752 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-04 11:37:46,753 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-04 11:37:46,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 11:37:46,753 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-04 11:37:46,753 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-04 11:37:46,753 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-04 11:37:46,753 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-04 11:37:46,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-04 11:37:46,754 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-04 11:37:46,754 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-04 11:37:46,754 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-04 11:37:46,754 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-04 11:37:46,754 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbb2be61a1eb664d217dd34c641f2c1314cec21ca43537debb14552a18ba1a09 [2021-11-04 11:37:46,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-04 11:37:46,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-04 11:37:46,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-04 11:37:46,980 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-04 11:37:46,981 INFO L275 PluginConnector]: CDTParser initialized [2021-11-04 11:37:46,982 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-04 11:37:47,034 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01e068d17/603471ea76c94c4c91bf8652cf8cb2dc/FLAG484748321 [2021-11-04 11:37:47,784 INFO L306 CDTParser]: Found 1 translation units. [2021-11-04 11:37:47,785 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-04 11:37:47,847 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01e068d17/603471ea76c94c4c91bf8652cf8cb2dc/FLAG484748321 [2021-11-04 11:37:48,060 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01e068d17/603471ea76c94c4c91bf8652cf8cb2dc [2021-11-04 11:37:48,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-04 11:37:48,063 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-04 11:37:48,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-04 11:37:48,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-04 11:37:48,068 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-04 11:37:48,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 11:37:48" (1/1) ... [2021-11-04 11:37:48,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5804c3b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:37:48, skipping insertion in model container [2021-11-04 11:37:48,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 11:37:48" (1/1) ... [2021-11-04 11:37:48,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-04 11:37:48,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-04 11:37:51,782 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_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[516351,516364] [2021-11-04 11:37:51,784 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_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[516498,516511] [2021-11-04 11:37:51,785 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_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[516637,516650] [2021-11-04 11:37:51,785 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_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[516795,516808] [2021-11-04 11:37:51,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 11:37:51,893 INFO L203 MainTranslator]: Completed pre-run [2021-11-04 11:37:52,347 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_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[516351,516364] [2021-11-04 11:37:52,348 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_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[516498,516511] [2021-11-04 11:37:52,348 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_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[516637,516650] [2021-11-04 11:37:52,348 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_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[516795,516808] [2021-11-04 11:37:52,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 11:37:52,591 INFO L208 MainTranslator]: Completed translation [2021-11-04 11:37:52,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:37:52 WrapperNode [2021-11-04 11:37:52,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-04 11:37:52,593 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-04 11:37:52,593 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-04 11:37:52,593 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-04 11:37:52,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:37:52" (1/1) ... [2021-11-04 11:37:52,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:37:52" (1/1) ... [2021-11-04 11:37:55,106 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-04 11:37:55,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-04 11:37:55,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-04 11:37:55,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-04 11:37:55,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:37:52" (1/1) ... [2021-11-04 11:37:55,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:37:52" (1/1) ... [2021-11-04 11:37:56,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:37:52" (1/1) ... [2021-11-04 11:37:56,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:37:52" (1/1) ... [2021-11-04 11:37:57,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:37:52" (1/1) ... [2021-11-04 11:37:58,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:37:52" (1/1) ... [2021-11-04 11:37:58,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:37:52" (1/1) ... [2021-11-04 11:37:58,986 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-04 11:37:58,987 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-04 11:37:58,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-04 11:37:58,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-04 11:37:58,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:37:52" (1/1) ... [2021-11-04 11:37:58,993 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 11:37:59,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-04 11:37:59,015 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 11:37:59,035 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 11:37:59,047 INFO L130 BoogieDeclarations]: Found specification of procedure enic_notify_timer [2021-11-04 11:37:59,047 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_notify_timer [2021-11-04 11:37:59,047 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_open [2021-11-04 11:37:59,047 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_open [2021-11-04 11:37:59,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_4 [2021-11-04 11:37:59,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_4 [2021-11-04 11:37:59,048 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-04 11:37:59,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_18 [2021-11-04 11:37:59,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_18 [2021-11-04 11:37:59,048 INFO L130 BoogieDeclarations]: Found specification of procedure enic_probe [2021-11-04 11:37:59,048 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_probe [2021-11-04 11:37:59,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-04 11:37:59,048 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_preassociate_rr [2021-11-04 11:37:59,048 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_preassociate_rr [2021-11-04 11:37:59,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-04 11:37:59,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-04 11:37:59,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-04 11:37:59,049 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-11-04 11:37:59,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-11-04 11:37:59,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_9_2 [2021-11-04 11:37:59,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_9_2 [2021-11-04 11:37:59,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-04 11:37:59,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_4_2 [2021-11-04 11:37:59,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_4_2 [2021-11-04 11:37:59,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-04 11:37:59,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-04 11:37:59,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-04 11:37:59,050 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-04 11:37:59,050 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-04 11:37:59,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-04 11:37:59,050 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_wait [2021-11-04 11:37:59,050 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_wait [2021-11-04 11:37:59,051 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-04 11:37:59,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-04 11:37:59,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-04 11:37:59,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-04 11:37:59,051 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_fill [2021-11-04 11:37:59,051 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_fill [2021-11-04 11:37:59,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-04 11:37:59,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-04 11:37:59,052 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-04 11:37:59,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-04 11:37:59,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-04 11:37:59,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-04 11:37:59,052 INFO L130 BoogieDeclarations]: Found specification of procedure enic_open [2021-11-04 11:37:59,053 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_open [2021-11-04 11:37:59,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-04 11:37:59,053 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_associate [2021-11-04 11:37:59,053 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_associate [2021-11-04 11:37:59,053 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-04 11:37:59,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-04 11:37:59,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-04 11:50:42,367 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_pci_pci_instance_3_switch_break: call ULTIMATE.dealloc(ldv_pci_pci_instance_3_~#ldv_3_resource_pm_message~0.base, ldv_pci_pci_instance_3_~#ldv_3_resource_pm_message~0.offset);havoc ldv_pci_pci_instance_3_~#ldv_3_resource_pm_message~0.base, ldv_pci_pci_instance_3_~#ldv_3_resource_pm_message~0.offset; [2021-11-04 11:50:42,368 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-04 11:50:42,368 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L13115: #t~ret2533 := main_#res; [2021-11-04 11:50:42,368 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_entry_EMGentry_16_returnLabel: main_#res := 0; [2021-11-04 11:50:42,625 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-04 11:50:42,625 INFO L299 CfgBuilder]: Removed 20392 assume(true) statements. [2021-11-04 11:50:42,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 11:50:42 BoogieIcfgContainer [2021-11-04 11:50:42,645 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-04 11:50:42,646 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-04 11:50:42,646 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-04 11:50:42,648 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-04 11:50:42,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 11:37:48" (1/3) ... [2021-11-04 11:50:42,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f50ce87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 11:50:42, skipping insertion in model container [2021-11-04 11:50:42,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:37:52" (2/3) ... [2021-11-04 11:50:42,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f50ce87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 11:50:42, skipping insertion in model container [2021-11-04 11:50:42,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 11:50:42" (3/3) ... [2021-11-04 11:50:42,650 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-11-04 11:50:42,653 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-04 11:50:42,654 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-04 11:50:42,738 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-04 11:50:42,745 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 11:50:42,746 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-04 11:50:43,036 INFO L276 IsEmpty]: Start isEmpty. Operand has 27059 states, 27005 states have (on average 1.4480651731160896) internal successors, (39105), 27007 states have internal predecessors, (39105), 34 states have call successors, (34), 17 states have call predecessors, (34), 17 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2021-11-04 11:50:43,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-04 11:50:43,040 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 11:50:43,041 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] [2021-11-04 11:50:43,041 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 11:50:43,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 11:50:43,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1854207478, now seen corresponding path program 1 times [2021-11-04 11:50:43,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 11:50:43,054 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77159742] [2021-11-04 11:50:43,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 11:50:43,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 11:50:43,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 11:50:43,979 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 11:50:43,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 11:50:43,980 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77159742] [2021-11-04 11:50:43,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77159742] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 11:50:43,981 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 11:50:43,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-04 11:50:43,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242321923] [2021-11-04 11:50:43,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 11:50:43,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-04 11:50:43,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 11:50:44,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-04 11:50:44,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-04 11:50:44,074 INFO L87 Difference]: Start difference. First operand has 27059 states, 27005 states have (on average 1.4480651731160896) internal successors, (39105), 27007 states have internal predecessors, (39105), 34 states have call successors, (34), 17 states have call predecessors, (34), 17 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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)