./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/bin/utaipan-G1rejxKTta/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/bin/utaipan-G1rejxKTta/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/bin/utaipan-G1rejxKTta --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash aa96c32cec5c31a75c9cdd0122db38bdeb379765e4b6aca9c91d1bb4fedaed44 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:41:19,650 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:41:19,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:41:19,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:41:19,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:41:19,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:41:19,715 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:41:19,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:41:19,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:41:19,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:41:19,730 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:41:19,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:41:19,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:41:19,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:41:19,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:41:19,741 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:41:19,743 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:41:19,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:41:19,746 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:41:19,754 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:41:19,756 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:41:19,757 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:41:19,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:41:19,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:41:19,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:41:19,773 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:41:19,774 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:41:19,776 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:41:19,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:41:19,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:41:19,778 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:41:19,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:41:19,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:41:19,785 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:41:19,786 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:41:19,786 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:41:19,787 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:41:19,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:41:19,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:41:19,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:41:19,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:41:19,792 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-10-17 17:41:19,835 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:41:19,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:41:19,836 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:41:19,837 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:41:19,838 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:41:19,839 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:41:19,839 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:41:19,839 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:41:19,840 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:41:19,840 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-10-17 17:41:19,841 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:41:19,842 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:41:19,842 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-10-17 17:41:19,842 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-10-17 17:41:19,843 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:41:19,843 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-10-17 17:41:19,843 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-10-17 17:41:19,844 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-10-17 17:41:19,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:41:19,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:41:19,845 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:41:19,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:41:19,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:41:19,846 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:41:19,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:41:19,847 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:41:19,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:41:19,848 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:41:19,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:41:19,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:41:19,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:41:19,849 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-10-17 17:41:19,850 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:41:19,850 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:41:19,850 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-10-17 17:41:19,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:41:19,851 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:41:19,851 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:41:19,851 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/bin/utaipan-G1rejxKTta/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa96c32cec5c31a75c9cdd0122db38bdeb379765e4b6aca9c91d1bb4fedaed44 [2022-10-17 17:41:20,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:41:20,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:41:20,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:41:20,181 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:41:20,182 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:41:20,183 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i [2022-10-17 17:41:20,271 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/bin/utaipan-G1rejxKTta/data/1ff345600/1b92042bb3794791bde1748c0377ab10/FLAGf1d3994c4 [2022-10-17 17:41:21,065 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:41:21,066 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i [2022-10-17 17:41:21,108 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/bin/utaipan-G1rejxKTta/data/1ff345600/1b92042bb3794791bde1748c0377ab10/FLAGf1d3994c4 [2022-10-17 17:41:21,616 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/bin/utaipan-G1rejxKTta/data/1ff345600/1b92042bb3794791bde1748c0377ab10 [2022-10-17 17:41:21,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:41:21,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:41:21,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:41:21,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:41:21,626 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:41:21,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:41:21" (1/1) ... [2022-10-17 17:41:21,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52395822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:41:21, skipping insertion in model container [2022-10-17 17:41:21,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:41:21" (1/1) ... [2022-10-17 17:41:21,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:41:21,759 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:41:22,756 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i[158033,158046] [2022-10-17 17:41:23,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:41:23,197 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:41:23,423 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i[158033,158046] [2022-10-17 17:41:23,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:41:23,631 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:41:23,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:41:23 WrapperNode [2022-10-17 17:41:23,632 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:41:23,633 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:41:23,633 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:41:23,633 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:41:23,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:41:23" (1/1) ... [2022-10-17 17:41:23,723 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:41:23" (1/1) ... [2022-10-17 17:41:23,843 INFO L138 Inliner]: procedures = 146, calls = 357, calls flagged for inlining = 63, calls inlined = 60, statements flattened = 1425 [2022-10-17 17:41:23,844 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:41:23,845 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:41:23,845 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:41:23,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:41:23,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:41:23" (1/1) ... [2022-10-17 17:41:23,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:41:23" (1/1) ... [2022-10-17 17:41:23,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:41:23" (1/1) ... [2022-10-17 17:41:23,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:41:23" (1/1) ... [2022-10-17 17:41:23,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:41:23" (1/1) ... [2022-10-17 17:41:23,983 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:41:23" (1/1) ... [2022-10-17 17:41:23,992 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:41:23" (1/1) ... [2022-10-17 17:41:24,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:41:23" (1/1) ... [2022-10-17 17:41:24,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:41:24,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:41:24,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:41:24,016 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:41:24,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:41:23" (1/1) ... [2022-10-17 17:41:24,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:41:24,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/bin/utaipan-G1rejxKTta/z3 [2022-10-17 17:41:24,052 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 17:41:24,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 17:41:24,093 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-10-17 17:41:24,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-10-17 17:41:24,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 17:41:24,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 17:41:24,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 17:41:24,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 17:41:24,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 17:41:24,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:41:24,094 INFO L130 BoogieDeclarations]: Found specification of procedure state [2022-10-17 17:41:24,094 INFO L138 BoogieDeclarations]: Found implementation of procedure state [2022-10-17 17:41:24,095 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-10-17 17:41:24,095 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-10-17 17:41:24,095 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_ioctl [2022-10-17 17:41:24,095 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_ioctl [2022-10-17 17:41:24,095 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_rx [2022-10-17 17:41:24,095 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_rx [2022-10-17 17:41:24,095 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-10-17 17:41:24,095 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-10-17 17:41:24,096 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_type_trans [2022-10-17 17:41:24,096 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_type_trans [2022-10-17 17:41:24,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 17:41:24,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 17:41:24,096 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_on [2022-10-17 17:41:24,096 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_on [2022-10-17 17:41:24,096 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-10-17 17:41:24,097 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-10-17 17:41:24,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-10-17 17:41:24,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-10-17 17:41:24,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:41:24,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 17:41:24,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 17:41:24,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 17:41:24,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 17:41:24,098 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:41:24,098 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:41:24,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:41:24,098 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 17:41:24,098 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 17:41:24,098 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_hard_header [2022-10-17 17:41:24,098 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_hard_header [2022-10-17 17:41:24,098 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-10-17 17:41:24,099 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-10-17 17:41:24,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:41:24,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:41:24,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:41:24,099 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-10-17 17:41:24,099 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-10-17 17:41:24,099 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-17 17:41:24,099 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-10-17 17:41:24,100 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-10-17 17:41:24,100 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-10-17 17:41:24,100 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-10-17 17:41:24,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:41:24,100 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-10-17 17:41:24,100 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-10-17 17:41:24,100 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 17:41:24,100 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 17:41:24,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:41:24,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 17:41:24,101 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-17 17:41:24,101 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-17 17:41:24,101 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_keepalive_send [2022-10-17 17:41:24,101 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_keepalive_send [2022-10-17 17:41:24,101 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-10-17 17:41:24,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-10-17 17:41:24,101 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-17 17:41:24,101 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-17 17:41:24,102 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-17 17:41:24,102 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-17 17:41:24,102 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-17 17:41:24,102 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-17 17:41:24,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:41:24,102 INFO L130 BoogieDeclarations]: Found specification of procedure linkwatch_fire_event [2022-10-17 17:41:24,102 INFO L138 BoogieDeclarations]: Found implementation of procedure linkwatch_fire_event [2022-10-17 17:41:24,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 17:41:24,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-17 17:41:24,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-17 17:41:24,103 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-17 17:41:24,103 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-17 17:41:24,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:41:24,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:41:24,541 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:41:24,545 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:41:24,906 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 17:41:25,944 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:41:26,290 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:41:26,290 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 17:41:26,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:41:26 BoogieIcfgContainer [2022-10-17 17:41:26,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:41:26,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 17:41:26,300 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 17:41:26,303 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 17:41:26,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 05:41:21" (1/3) ... [2022-10-17 17:41:26,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f7a0668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:41:26, skipping insertion in model container [2022-10-17 17:41:26,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:41:23" (2/3) ... [2022-10-17 17:41:26,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f7a0668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:41:26, skipping insertion in model container [2022-10-17 17:41:26,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:41:26" (3/3) ... [2022-10-17 17:41:26,309 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i [2022-10-17 17:41:26,329 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 17:41:26,329 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 17:41:26,426 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 17:41:26,432 INFO L357 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=FINITE_AUTOMATA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@18cb4a6b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 17:41:26,432 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 17:41:26,438 INFO L276 IsEmpty]: Start isEmpty. Operand has 355 states, 225 states have (on average 1.3733333333333333) internal successors, (309), 238 states have internal predecessors, (309), 97 states have call successors, (97), 32 states have call predecessors, (97), 31 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2022-10-17 17:41:26,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 17:41:26,450 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:41:26,451 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 17:41:26,451 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:41:26,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:41:26,457 INFO L85 PathProgramCache]: Analyzing trace with hash -33487081, now seen corresponding path program 1 times [2022-10-17 17:41:26,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:41:26,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749273802] [2022-10-17 17:41:26,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:41:26,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:41:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:41:26,996 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 17:41:26,997 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:41:26,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749273802] [2022-10-17 17:41:27,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749273802] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:41:27,000 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:41:27,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 17:41:27,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676080609] [2022-10-17 17:41:27,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:41:27,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 17:41:27,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-10-17 17:41:27,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 17:41:27,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 17:41:27,065 INFO L87 Difference]: Start difference. First operand has 355 states, 225 states have (on average 1.3733333333333333) internal successors, (309), 238 states have internal predecessors, (309), 97 states have call successors, (97), 32 states have call predecessors, (97), 31 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-10-17 17:41:27,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 17:41:27,628 INFO L93 Difference]: Finished difference Result 1029 states and 1459 transitions. [2022-10-17 17:41:27,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 17:41:27,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 41 [2022-10-17 17:41:27,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 17:41:27,671 INFO L225 Difference]: With dead ends: 1029 [2022-10-17 17:41:27,671 INFO L226 Difference]: Without dead ends: 673 [2022-10-17 17:41:27,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 17:41:27,692 INFO L413 NwaCegarLoop]: 518 mSDtfsCounter, 458 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 458 SdHoareTripleChecker+Valid, 941 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-17 17:41:27,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [458 Valid, 941 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-17 17:41:27,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2022-10-17 17:41:27,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 673. [2022-10-17 17:41:27,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 434 states have (on average 1.3456221198156681) internal successors, (584), 448 states have internal predecessors, (584), 178 states have call successors, (178), 61 states have call predecessors, (178), 60 states have return successors, (177), 177 states have call predecessors, (177), 177 states have call successors, (177) [2022-10-17 17:41:27,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 939 transitions. [2022-10-17 17:41:27,880 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 939 transitions. Word has length 41 [2022-10-17 17:41:27,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 17:41:27,881 INFO L495 AbstractCegarLoop]: Abstraction has 673 states and 939 transitions. [2022-10-17 17:41:27,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-10-17 17:41:27,882 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 939 transitions. [2022-10-17 17:41:27,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 17:41:27,892 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:41:27,893 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 17:41:27,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 17:41:27,893 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:41:27,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:41:27,894 INFO L85 PathProgramCache]: Analyzing trace with hash 806565709, now seen corresponding path program 1 times [2022-10-17 17:41:27,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:41:27,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985269874] [2022-10-17 17:41:27,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:41:27,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:41:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:41:28,185 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 17:41:28,186 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:41:28,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985269874] [2022-10-17 17:41:28,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985269874] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:41:28,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:41:28,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 17:41:28,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434305616] [2022-10-17 17:41:28,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:41:28,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 17:41:28,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-10-17 17:41:28,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 17:41:28,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 17:41:28,189 INFO L87 Difference]: Start difference. First operand 673 states and 939 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-10-17 17:41:28,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 17:41:28,746 INFO L93 Difference]: Finished difference Result 1335 states and 1872 transitions. [2022-10-17 17:41:28,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-17 17:41:28,747 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 44 [2022-10-17 17:41:28,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 17:41:28,763 INFO L225 Difference]: With dead ends: 1335 [2022-10-17 17:41:28,764 INFO L226 Difference]: Without dead ends: 1330 [2022-10-17 17:41:28,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-17 17:41:28,770 INFO L413 NwaCegarLoop]: 515 mSDtfsCounter, 470 mSDsluCounter, 1049 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 1439 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-17 17:41:28,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 1439 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-17 17:41:28,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1330 states. [2022-10-17 17:41:28,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1330 to 1328. [2022-10-17 17:41:28,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1328 states, 857 states have (on average 1.3465577596266045) internal successors, (1154), 885 states have internal predecessors, (1154), 350 states have call successors, (350), 121 states have call predecessors, (350), 120 states have return successors, (359), 349 states have call predecessors, (359), 349 states have call successors, (359) [2022-10-17 17:41:28,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 1328 states and 1863 transitions. [2022-10-17 17:41:28,927 INFO L78 Accepts]: Start accepts. Automaton has 1328 states and 1863 transitions. Word has length 44 [2022-10-17 17:41:28,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 17:41:28,927 INFO L495 AbstractCegarLoop]: Abstraction has 1328 states and 1863 transitions. [2022-10-17 17:41:28,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-10-17 17:41:28,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1328 states and 1863 transitions. [2022-10-17 17:41:28,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-17 17:41:28,937 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:41:28,938 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 17:41:28,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 17:41:28,938 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:41:28,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:41:28,939 INFO L85 PathProgramCache]: Analyzing trace with hash 565608139, now seen corresponding path program 1 times [2022-10-17 17:41:28,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:41:28,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821869410] [2022-10-17 17:41:28,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:41:28,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:41:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:41:29,388 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-10-17 17:41:29,388 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:41:29,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821869410] [2022-10-17 17:41:29,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821869410] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:41:29,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:41:29,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 17:41:29,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9149796] [2022-10-17 17:41:29,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:41:29,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 17:41:29,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-10-17 17:41:29,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 17:41:29,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-17 17:41:29,391 INFO L87 Difference]: Start difference. First operand 1328 states and 1863 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-17 17:41:29,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 17:41:29,968 INFO L93 Difference]: Finished difference Result 2669 states and 3777 transitions. [2022-10-17 17:41:29,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 17:41:29,969 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 98 [2022-10-17 17:41:29,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 17:41:29,980 INFO L225 Difference]: With dead ends: 2669 [2022-10-17 17:41:29,980 INFO L226 Difference]: Without dead ends: 1352 [2022-10-17 17:41:29,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-17 17:41:29,987 INFO L413 NwaCegarLoop]: 418 mSDtfsCounter, 2 mSDsluCounter, 1436 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1659 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-17 17:41:29,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1659 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-17 17:41:29,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1352 states. [2022-10-17 17:41:30,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1352 to 1348. [2022-10-17 17:41:30,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1348 states, 871 states have (on average 1.340987370838117) internal successors, (1168), 901 states have internal predecessors, (1168), 350 states have call successors, (350), 121 states have call predecessors, (350), 126 states have return successors, (374), 353 states have call predecessors, (374), 349 states have call successors, (374) [2022-10-17 17:41:30,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 1348 states and 1892 transitions. [2022-10-17 17:41:30,077 INFO L78 Accepts]: Start accepts. Automaton has 1348 states and 1892 transitions. Word has length 98 [2022-10-17 17:41:30,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 17:41:30,078 INFO L495 AbstractCegarLoop]: Abstraction has 1348 states and 1892 transitions. [2022-10-17 17:41:30,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-17 17:41:30,078 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 1892 transitions. [2022-10-17 17:41:30,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-17 17:41:30,084 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:41:30,084 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 17:41:30,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-17 17:41:30,084 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:41:30,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:41:30,085 INFO L85 PathProgramCache]: Analyzing trace with hash 586399870, now seen corresponding path program 1 times [2022-10-17 17:41:30,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:41:30,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616978882] [2022-10-17 17:41:30,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:41:30,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:41:30,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:41:30,371 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-10-17 17:41:30,371 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:41:30,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616978882] [2022-10-17 17:41:30,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616978882] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:41:30,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:41:30,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 17:41:30,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704468566] [2022-10-17 17:41:30,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:41:30,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 17:41:30,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-10-17 17:41:30,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 17:41:30,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 17:41:30,374 INFO L87 Difference]: Start difference. First operand 1348 states and 1892 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-10-17 17:41:30,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 17:41:30,660 INFO L93 Difference]: Finished difference Result 2683 states and 3760 transitions. [2022-10-17 17:41:30,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 17:41:30,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 102 [2022-10-17 17:41:30,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 17:41:30,670 INFO L225 Difference]: With dead ends: 2683 [2022-10-17 17:41:30,670 INFO L226 Difference]: Without dead ends: 1346 [2022-10-17 17:41:30,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 17:41:30,676 INFO L413 NwaCegarLoop]: 416 mSDtfsCounter, 481 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 17:41:30,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [481 Valid, 416 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 17:41:30,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1346 states. [2022-10-17 17:41:30,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1346 to 1346. [2022-10-17 17:41:30,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1346 states, 869 states have (on average 1.3371691599539701) internal successors, (1162), 899 states have internal predecessors, (1162), 350 states have call successors, (350), 121 states have call predecessors, (350), 126 states have return successors, (374), 353 states have call predecessors, (374), 349 states have call successors, (374) [2022-10-17 17:41:30,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1346 states and 1886 transitions. [2022-10-17 17:41:30,802 INFO L78 Accepts]: Start accepts. Automaton has 1346 states and 1886 transitions. Word has length 102 [2022-10-17 17:41:30,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 17:41:30,805 INFO L495 AbstractCegarLoop]: Abstraction has 1346 states and 1886 transitions. [2022-10-17 17:41:30,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-10-17 17:41:30,806 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 1886 transitions. [2022-10-17 17:41:30,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-17 17:41:30,816 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:41:30,816 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 17:41:30,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-17 17:41:30,816 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:41:30,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:41:30,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1117093068, now seen corresponding path program 1 times [2022-10-17 17:41:30,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:41:30,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380804616] [2022-10-17 17:41:30,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:41:30,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:41:31,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:41:32,627 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-10-17 17:41:32,627 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:41:32,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380804616] [2022-10-17 17:41:32,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380804616] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:41:32,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:41:32,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-17 17:41:32,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266958802] [2022-10-17 17:41:32,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:41:32,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-17 17:41:32,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-10-17 17:41:32,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-17 17:41:32,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-10-17 17:41:32,631 INFO L87 Difference]: Start difference. First operand 1346 states and 1886 transitions. Second operand has 11 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 3 states have call successors, (19), 2 states have call predecessors, (19), 5 states have return successors, (18), 5 states have call predecessors, (18), 3 states have call successors, (18) [2022-10-17 17:41:33,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 17:41:33,915 INFO L93 Difference]: Finished difference Result 2725 states and 3843 transitions. [2022-10-17 17:41:33,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-17 17:41:33,916 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 3 states have call successors, (19), 2 states have call predecessors, (19), 5 states have return successors, (18), 5 states have call predecessors, (18), 3 states have call successors, (18) Word has length 120 [2022-10-17 17:41:33,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 17:41:33,929 INFO L225 Difference]: With dead ends: 2725 [2022-10-17 17:41:33,929 INFO L226 Difference]: Without dead ends: 1390 [2022-10-17 17:41:33,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-10-17 17:41:33,937 INFO L413 NwaCegarLoop]: 430 mSDtfsCounter, 14 mSDsluCounter, 3894 mSDsCounter, 0 mSdLazyCounter, 691 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 3819 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-17 17:41:33,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 3819 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 691 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-17 17:41:33,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1390 states. [2022-10-17 17:41:34,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1390 to 1374. [2022-10-17 17:41:34,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1374 states, 887 states have (on average 1.3258173618940248) internal successors, (1176), 917 states have internal predecessors, (1176), 356 states have call successors, (356), 121 states have call predecessors, (356), 130 states have return successors, (386), 363 states have call predecessors, (386), 355 states have call successors, (386) [2022-10-17 17:41:34,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 1374 states and 1918 transitions. [2022-10-17 17:41:34,116 INFO L78 Accepts]: Start accepts. Automaton has 1374 states and 1918 transitions. Word has length 120 [2022-10-17 17:41:34,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 17:41:34,117 INFO L495 AbstractCegarLoop]: Abstraction has 1374 states and 1918 transitions. [2022-10-17 17:41:34,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 3 states have call successors, (19), 2 states have call predecessors, (19), 5 states have return successors, (18), 5 states have call predecessors, (18), 3 states have call successors, (18) [2022-10-17 17:41:34,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1374 states and 1918 transitions. [2022-10-17 17:41:34,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-10-17 17:41:34,130 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:41:34,131 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 17:41:34,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-17 17:41:34,132 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:41:34,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:41:34,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1710840087, now seen corresponding path program 1 times [2022-10-17 17:41:34,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:41:34,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457908039] [2022-10-17 17:41:34,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:41:34,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:41:34,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:41:34,756 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:41:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:41:35,442 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-10-17 17:41:35,443 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-17 17:41:35,444 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-10-17 17:41:35,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-17 17:41:35,450 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-10-17 17:41:35,456 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-17 17:41:35,529 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-10-17 17:41:35,530 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-10-17 17:41:35,530 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-10-17 17:41:35,531 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-10-17 17:41:35,531 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-10-17 17:41:35,531 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-10-17 17:41:35,532 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-10-17 17:41:35,532 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-10-17 17:41:35,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 05:41:35 BoogieIcfgContainer [2022-10-17 17:41:35,748 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-17 17:41:35,748 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:41:35,748 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:41:35,749 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:41:35,749 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:41:26" (3/4) ... [2022-10-17 17:41:35,753 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-10-17 17:41:35,753 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:41:35,754 INFO L158 Benchmark]: Toolchain (without parser) took 14133.33ms. Allocated memory was 102.8MB in the beginning and 369.1MB in the end (delta: 266.3MB). Free memory was 61.9MB in the beginning and 222.0MB in the end (delta: -160.1MB). Peak memory consumption was 104.4MB. Max. memory is 16.1GB. [2022-10-17 17:41:35,754 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 102.8MB. Free memory was 57.3MB in the beginning and 57.3MB in the end (delta: 45.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:41:35,755 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2009.79ms. Allocated memory was 102.8MB in the beginning and 134.2MB in the end (delta: 31.5MB). Free memory was 61.7MB in the beginning and 67.2MB in the end (delta: -5.5MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2022-10-17 17:41:35,755 INFO L158 Benchmark]: Boogie Procedure Inliner took 211.01ms. Allocated memory is still 134.2MB. Free memory was 67.2MB in the beginning and 58.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 17:41:35,756 INFO L158 Benchmark]: Boogie Preprocessor took 170.55ms. Allocated memory is still 134.2MB. Free memory was 58.9MB in the beginning and 80.1MB in the end (delta: -21.2MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2022-10-17 17:41:35,757 INFO L158 Benchmark]: RCFGBuilder took 2280.47ms. Allocated memory was 134.2MB in the beginning and 192.9MB in the end (delta: 58.7MB). Free memory was 80.1MB in the beginning and 126.5MB in the end (delta: -46.4MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. [2022-10-17 17:41:35,757 INFO L158 Benchmark]: TraceAbstraction took 9448.36ms. Allocated memory was 192.9MB in the beginning and 369.1MB in the end (delta: 176.2MB). Free memory was 126.5MB in the beginning and 222.0MB in the end (delta: -95.6MB). Peak memory consumption was 203.3MB. Max. memory is 16.1GB. [2022-10-17 17:41:35,758 INFO L158 Benchmark]: Witness Printer took 4.96ms. Allocated memory is still 369.1MB. Free memory is still 222.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:41:35,761 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 102.8MB. Free memory was 57.3MB in the beginning and 57.3MB in the end (delta: 45.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2009.79ms. Allocated memory was 102.8MB in the beginning and 134.2MB in the end (delta: 31.5MB). Free memory was 61.7MB in the beginning and 67.2MB in the end (delta: -5.5MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 211.01ms. Allocated memory is still 134.2MB. Free memory was 67.2MB in the beginning and 58.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 170.55ms. Allocated memory is still 134.2MB. Free memory was 58.9MB in the beginning and 80.1MB in the end (delta: -21.2MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2280.47ms. Allocated memory was 134.2MB in the beginning and 192.9MB in the end (delta: 58.7MB). Free memory was 80.1MB in the beginning and 126.5MB in the end (delta: -46.4MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. * TraceAbstraction took 9448.36ms. Allocated memory was 192.9MB in the beginning and 369.1MB in the end (delta: 176.2MB). Free memory was 126.5MB in the beginning and 222.0MB in the end (delta: -95.6MB). Peak memory consumption was 203.3MB. Max. memory is 16.1GB. * Witness Printer took 4.96ms. Allocated memory is still 369.1MB. Free memory is still 222.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 5554]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 5123. Possible FailurePath: [L5577] int LDV_IN_INTERRUPT = 1; [L5578] struct sk_buff *proto_group1 ; [L5579] int ldv_state_variable_0 ; [L5580] int ldv_state_variable_3 ; [L5581] int ldv_timer_state_1 = 0; [L5582] int ldv_state_variable_2 ; [L5583] struct net_device *proto_group0 ; [L5584] int ref_cnt ; [L5585] int ldv_state_variable_1 ; [L5586] struct timer_list *ldv_timer_list_1 ; [L5964-L5966] static struct hdlc_proto proto = {0, 0, & cisco_start, & cisco_stop, 0, & cisco_ioctl, & cisco_type_trans, & cisco_rx, 0, & __this_module, 0}; [L5967] static struct header_ops const cisco_header_ops = {& cisco_hard_header, 0, 0, 0, 0}; [L6078] int ldv_retval_0 ; [L6374] Element set_impl[15] ; [L6375] int last_index = 0; [L6509] Set LDV_SKBS ; [L6142] struct ifreq *ldvarg0 ; [L6143] void *tmp ; [L6144] unsigned int ldvarg1 ; [L6145] unsigned int tmp___0 ; [L6146] unsigned short ldvarg4 ; [L6147] unsigned short tmp___1 ; [L6148] struct sk_buff *ldvarg3 ; [L6149] void *tmp___2 ; [L6150] struct net_device *ldvarg5 ; [L6151] void *tmp___3 ; [L6152] void *ldvarg2 ; [L6153] void *tmp___4 ; [L6154] void *ldvarg6 ; [L6155] void *tmp___5 ; [L6156] int tmp___6 ; [L6157] int tmp___7 ; [L6158] int tmp___8 ; [L6159] int tmp___9 ; VAL [__this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L6161] CALL, EXPR ldv_zalloc(40UL) VAL [__this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5519] void *p ; [L5520] void *tmp ; [L5521] int tmp___0 ; [L5523] tmp___0 = __VERIFIER_nondet_int() [L5524] COND TRUE tmp___0 != 0 [L5525] return ((void *)0); VAL [\old(size)=40, \result={0:0}, __this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, size=40, tmp___0=-3] [L6161] RET, EXPR ldv_zalloc(40UL) VAL [__this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldv_zalloc(40UL)={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L6161] tmp = ldv_zalloc(40UL) [L6162] ldvarg0 = (struct ifreq *)tmp [L6163] tmp___0 = __VERIFIER_nondet_uint() [L6164] ldvarg1 = tmp___0 [L6165] tmp___1 = __VERIFIER_nondet_ushort() [L6166] ldvarg4 = tmp___1 VAL [__this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={0:0}, ldvarg1=4294887575, ldvarg4=51354, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=4294887575, tmp___1=51354] [L6167] CALL, EXPR ldv_zalloc(232UL) VAL [__this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5519] void *p ; [L5520] void *tmp ; [L5521] int tmp___0 ; [L5523] tmp___0 = __VERIFIER_nondet_int() [L5524] COND TRUE tmp___0 != 0 [L5525] return ((void *)0); VAL [\old(size)=232, \result={0:0}, __this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, size=232, tmp___0=-4] [L6167] RET, EXPR ldv_zalloc(232UL) VAL [__this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldv_zalloc(232UL)={0:0}, ldvarg0={0:0}, ldvarg1=4294887575, ldvarg4=51354, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=4294887575, tmp___1=51354] [L6167] tmp___2 = ldv_zalloc(232UL) [L6168] ldvarg3 = (struct sk_buff *)tmp___2 VAL [__this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={0:0}, ldvarg1=4294887575, ldvarg3={0:0}, ldvarg4=51354, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=4294887575, tmp___1=51354, tmp___2={0:0}] [L6169] CALL, EXPR ldv_zalloc(3264UL) VAL [__this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5519] void *p ; [L5520] void *tmp ; [L5521] int tmp___0 ; [L5523] tmp___0 = __VERIFIER_nondet_int() [L5524] COND TRUE tmp___0 != 0 [L5525] return ((void *)0); VAL [\old(size)=3264, \result={0:0}, __this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, size=3264, tmp___0=-5] [L6169] RET, EXPR ldv_zalloc(3264UL) VAL [__this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldv_zalloc(3264UL)={0:0}, ldvarg0={0:0}, ldvarg1=4294887575, ldvarg3={0:0}, ldvarg4=51354, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=4294887575, tmp___1=51354, tmp___2={0:0}] [L6169] tmp___3 = ldv_zalloc(3264UL) [L6170] ldvarg5 = (struct net_device *)tmp___3 VAL [__this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={0:0}, ldvarg1=4294887575, ldvarg3={0:0}, ldvarg4=51354, ldvarg5={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=4294887575, tmp___1=51354, tmp___2={0:0}, tmp___3={0:0}] [L6171] CALL, EXPR ldv_zalloc(1UL) VAL [__this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5519] void *p ; [L5520] void *tmp ; [L5521] int tmp___0 ; [L5523] tmp___0 = __VERIFIER_nondet_int() [L5524] COND TRUE tmp___0 != 0 [L5525] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, size=1, tmp___0=-7] [L6171] RET, EXPR ldv_zalloc(1UL) VAL [__this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldv_zalloc(1UL)={0:0}, ldvarg0={0:0}, ldvarg1=4294887575, ldvarg3={0:0}, ldvarg4=51354, ldvarg5={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=4294887575, tmp___1=51354, tmp___2={0:0}, tmp___3={0:0}] [L6171] tmp___4 = ldv_zalloc(1UL) [L6172] ldvarg2 = tmp___4 VAL [__this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={0:0}, ldvarg1=4294887575, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=51354, ldvarg5={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=4294887575, tmp___1=51354, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}] [L6173] CALL, EXPR ldv_zalloc(1UL) VAL [__this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5519] void *p ; [L5520] void *tmp ; [L5521] int tmp___0 ; [L5523] tmp___0 = __VERIFIER_nondet_int() [L5524] COND TRUE tmp___0 != 0 [L5525] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, size=1, tmp___0=-8] [L6173] RET, EXPR ldv_zalloc(1UL) VAL [__this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldv_zalloc(1UL)={0:0}, ldvarg0={0:0}, ldvarg1=4294887575, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=51354, ldvarg5={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=4294887575, tmp___1=51354, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}] [L6173] tmp___5 = ldv_zalloc(1UL) [L6174] ldvarg6 = tmp___5 [L6175] CALL ldv_initialize() [L6528] CALL ldv_set_init(LDV_SKBS) [L6380] set = set_impl [L6381] last_index = 0 [L6528] RET ldv_set_init(LDV_SKBS) [L6175] RET ldv_initialize() [L6176] ldv_state_variable_1 = 1 [L6177] ref_cnt = 0 [L6178] ldv_state_variable_0 = 1 [L6179] ldv_state_variable_3 = 0 [L6180] ldv_state_variable_2 = 0 VAL [__this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={0:0}, ldvarg1=4294887575, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=51354, ldvarg5={0:0}, ldvarg6={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=4294887575, tmp___1=51354, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}] [L6182] tmp___6 = __VERIFIER_nondet_int() [L6184] case 0: [L6190] case 1: VAL [__this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={0:0}, ldvarg1=4294887575, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=51354, ldvarg5={0:0}, ldvarg6={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=4294887575, tmp___1=51354, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=1] [L6191] COND TRUE ldv_state_variable_0 != 0 [L6192] tmp___7 = __VERIFIER_nondet_int() [L6194] case 0: [L6202] case 1: VAL [__this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={0:0}, ldvarg1=4294887575, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=51354, ldvarg5={0:0}, ldvarg6={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=4294887575, tmp___1=51354, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=1, tmp___7=1] [L6203] COND TRUE ldv_state_variable_0 == 1 [L6204] CALL, EXPR mod_init() [L6067] FCALL register_hdlc_protocol(& proto) [L6068] return (0); [L6204] RET, EXPR mod_init() [L6204] ldv_retval_0 = mod_init() [L6205] COND TRUE ldv_retval_0 == 0 [L6206] ldv_state_variable_0 = 3 [L6207] ldv_state_variable_2 = 1 [L6208] ldv_state_variable_3 = 1 [L6209] CALL ldv_initialize_hdlc_proto_3() [L6101] void *tmp ; [L6102] void *tmp___0 ; VAL [__this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L6104] CALL, EXPR ldv_zalloc(232UL) VAL [__this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5519] void *p ; [L5520] void *tmp ; [L5521] int tmp___0 ; [L5523] tmp___0 = __VERIFIER_nondet_int() [L5524] COND TRUE tmp___0 != 0 [L5525] return ((void *)0); VAL [\old(size)=232, \result={0:0}, __this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, size=232, tmp___0=-9] [L6104] RET, EXPR ldv_zalloc(232UL) VAL [__this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldv_zalloc(232UL)={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L6104] tmp = ldv_zalloc(232UL) [L6105] proto_group1 = (struct sk_buff *)tmp VAL [__this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}] [L6106] CALL, EXPR ldv_zalloc(3264UL) VAL [__this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5519] void *p ; [L5520] void *tmp ; [L5521] int tmp___0 ; [L5523] tmp___0 = __VERIFIER_nondet_int() [L5524] COND TRUE tmp___0 != 0 [L5525] return ((void *)0); VAL [\old(size)=3264, \result={0:0}, __this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, size=3264, tmp___0=-11] [L6106] RET, EXPR ldv_zalloc(3264UL) VAL [__this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldv_zalloc(3264UL)={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}] [L6106] tmp___0 = ldv_zalloc(3264UL) [L6107] proto_group0 = (struct net_device *)tmp___0 [L6209] RET ldv_initialize_hdlc_proto_3() [L6212] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={0:0}, ldvarg1=4294887575, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=51354, ldvarg5={0:0}, ldvarg6={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=4294887575, tmp___1=51354, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=1, tmp___7=1] [L6182] tmp___6 = __VERIFIER_nondet_int() [L6184] case 0: VAL [__this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={0:0}, ldvarg1=4294887575, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=51354, ldvarg5={0:0}, ldvarg6={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=4294887575, tmp___1=51354, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=0, tmp___7=1] [L6185] COND TRUE ldv_state_variable_1 != 0 [L6186] CALL choose_timer_1(ldv_timer_list_1) [L6114] LDV_IN_INTERRUPT = 2 [L6115] EXPR timer->data [L6115] EXPR timer->function [L6115] CALL (*(timer->function))(timer->data) [L5877] struct net_device *dev ; [L5878] hdlc_device *hdlc ; [L5879] struct hdlc_device *tmp ; [L5880] struct cisco_state *st ; [L5881] struct cisco_state *tmp___0 ; [L5882] __u32 tmp___1 ; [L5883] __u32 tmp___2 ; [L5885] dev = (struct net_device *)arg VAL [\old(arg)=20, __this_module={1383247551111184437397648:1383247551111184437397663}, arg=20, cisco_header_ops={17:0}, dev={0:20}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5886] CALL, EXPR dev_to_hdlc(dev) VAL [__this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5638] void *tmp ; [L5640] CALL, EXPR netdev_priv((struct net_device const *)dev) [L5595] return ((void *)dev + 3264U); [L5640] RET, EXPR netdev_priv((struct net_device const *)dev) [L5640] tmp = netdev_priv((struct net_device const *)dev) [L5641] return ((struct hdlc_device *)tmp); [L5886] RET, EXPR dev_to_hdlc(dev) VAL [\old(arg)=20, __this_module={1383247551111184437397648:1383247551111184437397663}, arg=20, cisco_header_ops={17:0}, dev={0:20}, dev_to_hdlc(dev)={0:3284}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5886] tmp = dev_to_hdlc(dev) [L5887] hdlc = tmp VAL [\old(arg)=20, __this_module={1383247551111184437397648:1383247551111184437397663}, arg=20, cisco_header_ops={17:0}, dev={0:20}, hdlc={0:3284}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:3284}] [L5888] CALL, EXPR state(hdlc) VAL [__this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, hdlc={0:3284}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5670] EXPR hdlc->state [L5670] return ((struct cisco_state *)hdlc->state); [L5888] RET, EXPR state(hdlc) VAL [\old(arg)=20, __this_module={1383247551111184437397648:1383247551111184437397663}, arg=20, cisco_header_ops={17:0}, dev={0:20}, hdlc={0:3284}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, state(hdlc)={18:0}, tmp={0:3284}] [L5888] tmp___0 = state(hdlc) [L5889] st = tmp___0 VAL [\old(arg)=20, __this_module={1383247551111184437397648:1383247551111184437397663}, arg=20, cisco_header_ops={17:0}, dev={0:20}, hdlc={0:3284}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, st={18:0}, tmp={0:3284}, tmp___0={18:0}] [L5890] CALL spin_lock(& st->lock) VAL [__this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5263] FCALL _raw_spin_lock(& lock->ldv_6338.rlock) [L5890] RET spin_lock(& st->lock) VAL [\old(arg)=20, __this_module={1383247551111184437397648:1383247551111184437397663}, arg=20, cisco_header_ops={17:0}, dev={0:20}, hdlc={0:3284}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, st={18:0}, tmp={0:3284}, tmp___0={18:0}] [L5891] EXPR st->up [L5891] st->up != 0 && (long )((st->last_poll + (unsigned long )(st->settings.timeout * 250U)) - (unsigned long )jiffies) < 0L VAL [\old(arg)=20, __this_module={1383247551111184437397648:1383247551111184437397663}, arg=20, cisco_header_ops={17:0}, dev={0:20}, hdlc={0:3284}, jiffies=18446744073709476631, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, st={18:0}, st->last_poll=1383247551111184437397640, st->settings.timeout=19, st->up=0, st->up != 0 && (long )((st->last_poll + (unsigned long )(st->settings.timeout * 250U)) - (unsigned long )jiffies) < 0L=0, tmp={0:3284}, tmp___0={18:0}] [L5891] COND FALSE !(st->up != 0 && (long )((st->last_poll + (unsigned long )(st->settings.timeout * 250U)) - (unsigned long )jiffies) < 0L) [L5897] EXPR st->rxseq VAL [\old(arg)=20, __this_module={1383247551111184437397648:1383247551111184437397663}, arg=20, cisco_header_ops={17:0}, dev={0:20}, hdlc={0:3284}, jiffies=18446744073709476631, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, st={18:0}, st->rxseq=4, tmp={0:3284}, tmp___0={18:0}] [L5897] CALL, EXPR __fswab32(st->rxseq) VAL [__this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, jiffies=18446744073709476631, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5128] __u32 tmp ; [L5130] CALL, EXPR __arch_swab32(val) [L5117] return (val); [L5130] RET, EXPR __arch_swab32(val) [L5130] tmp = __arch_swab32(val) [L5131] return (tmp); [L5897] RET, EXPR __fswab32(st->rxseq) VAL [\old(arg)=20, __fswab32(st->rxseq)=4, __this_module={1383247551111184437397648:1383247551111184437397663}, arg=20, cisco_header_ops={17:0}, dev={0:20}, hdlc={0:3284}, jiffies=18446744073709476631, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, st={18:0}, st->rxseq=4, tmp={0:3284}, tmp___0={18:0}] [L5897] tmp___1 = __fswab32(st->rxseq) [L5898] EXPR st->txseq [L5898] st->txseq = st->txseq + 1U [L5899] EXPR st->txseq VAL [\old(arg)=20, __this_module={1383247551111184437397648:1383247551111184437397663}, arg=20, cisco_header_ops={17:0}, dev={0:20}, hdlc={0:3284}, jiffies=18446744073709476631, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, st={18:0}, st->txseq=60, tmp={0:3284}, tmp___0={18:0}, tmp___1=4] [L5899] CALL, EXPR __fswab32(st->txseq) VAL [__this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, jiffies=18446744073709476631, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5128] __u32 tmp ; [L5130] CALL, EXPR __arch_swab32(val) [L5117] return (val); [L5130] RET, EXPR __arch_swab32(val) [L5130] tmp = __arch_swab32(val) [L5131] return (tmp); [L5899] RET, EXPR __fswab32(st->txseq) VAL [\old(arg)=20, __fswab32(st->txseq)=60, __this_module={1383247551111184437397648:1383247551111184437397663}, arg=20, cisco_header_ops={17:0}, dev={0:20}, hdlc={0:3284}, jiffies=18446744073709476631, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, st={18:0}, st->txseq=60, tmp={0:3284}, tmp___0={18:0}, tmp___1=4] [L5899] tmp___2 = __fswab32(st->txseq) [L5900] CALL cisco_keepalive_send(dev, 2U, tmp___2, tmp___1) VAL [\old(last_index)=0, __this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, jiffies=18446744073709476631, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5695] struct sk_buff *skb ; [L5696] struct cisco_packet *data ; [L5697] __u32 tmp ; [L5698] __u32 tmp___0 ; [L5700] CALL, EXPR ldv_dev_alloc_skb_12(22U) [L6356] struct sk_buff *tmp ; VAL [\old(last_index)=0, \old(length)=22, __this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, jiffies=18446744073709476631, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, length=22, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L6358] CALL, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, __this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, jiffies=18446744073709476631, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L6512] void *skb ; [L6513] void *tmp___7 ; VAL [\old(last_index)=0, __this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, jiffies=18446744073709476631, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L6515] CALL, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, jiffies=18446744073709476631, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5519] void *p ; [L5520] void *tmp ; [L5521] int tmp___0 ; [L5523] tmp___0 = __VERIFIER_nondet_int() [L5524] COND FALSE !(tmp___0 != 0) [L5527] EXPR, FCALL calloc(1UL, size) [L5527] tmp = calloc(1UL, size) [L5528] p = tmp VAL [\old(last_index)=0, \old(size)=248, __this_module={1383247551111184437397648:1383247551111184437397663}, calloc(1UL, size)={21:0}, cisco_header_ops={17:0}, jiffies=18446744073709476631, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, p={21:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, size=248, tmp={21:0}, tmp___0=0] [L5529] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, \old(last_index)=0, __this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, jiffies=18446744073709476631, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5498] COND FALSE !(!cond) [L5529] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(last_index)=0, \old(size)=248, __this_module={1383247551111184437397648:1383247551111184437397663}, calloc(1UL, size)={21:0}, cisco_header_ops={17:0}, jiffies=18446744073709476631, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, p={21:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, size=248, tmp={21:0}, tmp___0=0] [L5530] return (p); VAL [\old(last_index)=0, \old(size)=248, \result={21:0}, __this_module={1383247551111184437397648:1383247551111184437397663}, calloc(1UL, size)={21:0}, cisco_header_ops={17:0}, jiffies=18446744073709476631, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, p={21:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, size=248, tmp={21:0}, tmp___0=0] [L6515] RET, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, jiffies=18446744073709476631, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldv_zalloc(sizeof(struct sk_buff___0 ))={21:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L6515] tmp___7 = ldv_zalloc(sizeof(struct sk_buff___0 )) [L6516] skb = (struct sk_buff___0 *)tmp___7 VAL [\old(last_index)=0, __this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, jiffies=18446744073709476631, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, skb={21:0}, tmp___7={21:0}] [L6517] COND FALSE !(! skb) [L6520] CALL ldv_set_add(LDV_SKBS, skb) [L6388] int i ; [L6390] i = 0 VAL [\old(last_index)=0, __this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, e={21:0}, e={21:0}, i=0, jiffies=18446744073709476631, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={18:0}] [L6391] COND TRUE 1 VAL [\old(last_index)=0, __this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, e={21:0}, e={21:0}, i=0, jiffies=18446744073709476631, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={18:0}] [L6392] COND FALSE !(i < last_index) VAL [\old(last_index)=0, __this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, e={21:0}, e={21:0}, i=0, jiffies=18446744073709476631, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={18:0}] [L6402] COND TRUE last_index < 15 [L6403] set_impl[last_index] = e [L6404] last_index = last_index + 1 VAL [\old(last_index)=0, __this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, e={21:0}, e={21:0}, i=0, jiffies=18446744073709476631, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={18:0}] [L6520] RET ldv_set_add(LDV_SKBS, skb) [L6521] return (skb); VAL [\old(last_index)=0, \result={21:0}, __this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, jiffies=18446744073709476631, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, skb={21:0}, tmp___7={21:0}] [L6358] RET, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, \old(length)=22, __this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, jiffies=18446744073709476631, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, ldv_skb_alloc()={21:0}, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, length=22, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L6358] tmp = ldv_skb_alloc() [L6359] return (tmp); [L5700] RET, EXPR ldv_dev_alloc_skb_12(22U) [L5700] skb = ldv_dev_alloc_skb_12(22U) [L5701] COND FALSE !((unsigned long )skb == (unsigned long )((struct sk_buff *)0)) [L5706] CALL skb_reserve(skb, 4) [L5475] EXPR skb->data [L5475] skb->data = skb->data + (unsigned long )len [L5476] EXPR skb->tail [L5476] skb->tail = skb->tail + (sk_buff_data_t )len [L5706] RET skb_reserve(skb, 4) [L5707] CALL cisco_hard_header(skb, dev, 32821, (void const *)0, (void const *)0, 0U) VAL [\old(last_index)=0, __this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, jiffies=18446744073709476631, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5676] struct hdlc_header *data ; [L5677] __u16 tmp ; [L5679] CALL skb_push(skb, 4U) [L6687] CALL, EXPR ldv_malloc(sizeof(unsigned char)) VAL [\old(last_index)=0, \old(size)=1, __this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, jiffies=18446744073709476631, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5502] void *p ; [L5503] void *tmp ; [L5504] int tmp___0 ; [L5506] tmp___0 = __VERIFIER_nondet_int() [L5507] COND TRUE tmp___0 != 0 [L5508] return ((void *)0); VAL [\old(last_index)=0, \old(size)=1, \result={0:0}, __this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, jiffies=18446744073709476631, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, size=1, tmp___0=-15] [L6687] RET, EXPR ldv_malloc(sizeof(unsigned char)) VAL [\old(arg1)=4, \old(last_index)=0, __this_module={1383247551111184437397648:1383247551111184437397663}, arg0={21:0}, arg0={21:0}, arg1=4, cisco_header_ops={17:0}, jiffies=18446744073709476631, last_index=1, LDV_IN_INTERRUPT=2, ldv_malloc(sizeof(unsigned char))={0:0}, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L6687] return ldv_malloc(sizeof(unsigned char)); [L5679] RET skb_push(skb, 4U) [L5680] EXPR skb->data [L5680] data = (struct hdlc_header *)skb->data [L5681] COND TRUE (unsigned int )type == 32821U [L5682] data->address = 143U [L5686] data->control = 0U VAL [\old(last_index)=0, \old(len)=0, \old(type)=32821, __this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, daddr={0:0}, daddr={0:0}, data={21:231}, dev={0:20}, dev={0:20}, jiffies=18446744073709476631, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, len=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, saddr={0:0}, saddr={0:0}, set_impl={18:0}, skb={21:0}, skb={21:0}, type=32821] [L5687] CALL, EXPR __fswab16((int )type) VAL [\old(last_index)=0, \old(val)=32821, __this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, jiffies=18446744073709476631, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5123] return ((__u16 )((int )((short )((int )val << 8)) | (int )((short )((int )val >> 8)))); [L5687] RET, EXPR __fswab16((int )type) VAL [\old(last_index)=0, \old(len)=0, \old(type)=32821, __fswab16((int )type)=1, __this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, daddr={0:0}, daddr={0:0}, data={21:231}, dev={0:20}, dev={0:20}, jiffies=18446744073709476631, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, len=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, saddr={0:0}, saddr={0:0}, set_impl={18:0}, skb={21:0}, skb={21:0}, type=32821] [L5687] tmp = __fswab16((int )type) [L5688] data->protocol = tmp [L5689] return (4); [L5707] RET cisco_hard_header(skb, dev, 32821, (void const *)0, (void const *)0, 0U) VAL [\old(last_index)=0, \old(par1)=60, \old(par2)=4, \old(type)=2, __this_module={1383247551111184437397648:1383247551111184437397663}, cisco_hard_header(skb, dev, 32821, (void const *)0, (void const *)0, 0U)=4, cisco_header_ops={17:0}, dev={0:20}, dev={0:20}, jiffies=18446744073709476631, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, par1=60, par2=4, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, skb={21:0}, type=2] [L5708] EXPR skb->data [L5708] data = (struct cisco_packet *)skb->data + 4U [L5709] CALL, EXPR __fswab32(type) VAL [\old(last_index)=0, __this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, jiffies=18446744073709476631, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5128] __u32 tmp ; [L5130] CALL, EXPR __arch_swab32(val) [L5117] return (val); [L5130] RET, EXPR __arch_swab32(val) [L5130] tmp = __arch_swab32(val) [L5131] return (tmp); [L5709] RET, EXPR __fswab32(type) VAL [\old(last_index)=0, \old(par1)=60, \old(par2)=4, \old(type)=2, __fswab32(type)=2, __this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, data={18:-14}, dev={0:20}, dev={0:20}, jiffies=18446744073709476631, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, par1=60, par2=4, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, skb={21:0}, type=2] [L5709] tmp = __fswab32(type) [L5710] data->type = tmp [L5711] data->par1 = par1 [L5712] data->par2 = par2 [L5713] data->rel = 65535U VAL [\old(last_index)=0, \old(par1)=60, \old(par2)=4, \old(type)=2, __this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, data={18:-14}, dev={0:20}, dev={0:20}, jiffies=18446744073709476631, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, par1=60, par2=4, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, skb={21:0}, tmp=2, type=2] [L5714] CALL, EXPR __fswab32(((__u32 )jiffies + 75000U) * 4U) VAL [\old(last_index)=0, __this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, jiffies=18446744073709476631, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5128] __u32 tmp ; [L5130] CALL, EXPR __arch_swab32(val) [L5117] return (val); [L5130] RET, EXPR __arch_swab32(val) [L5130] tmp = __arch_swab32(val) [L5131] return (tmp); [L5714] RET, EXPR __fswab32(((__u32 )jiffies + 75000U) * 4U) VAL [\old(last_index)=0, \old(par1)=60, \old(par2)=4, \old(type)=2, __fswab32(((__u32 )jiffies + 75000U) * 4U)=60, __this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, data={18:-14}, dev={0:20}, dev={0:20}, jiffies=18446744073709476631, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, par1=60, par2=4, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, skb={21:0}, tmp=2, type=2] [L5714] tmp___0 = __fswab32(((__u32 )jiffies + 75000U) * 4U) [L5715] data->time = tmp___0 [L5716] CALL skb_put(skb, 18U) [L6690] EXPR arg0->data [L6690] EXPR arg0->tail [L6690] unsigned char *ret_val = arg0->data + arg0->tail; [L6691] EXPR arg0->tail [L6691] arg0->tail += arg1 [L6692] return ret_val; [L5716] RET skb_put(skb, 18U) [L5717] skb->priority = 7U [L5718] skb->dev = dev [L5719] CALL skb_reset_network_header(skb) [L5483] EXPR skb->data [L5483] EXPR skb->head [L5483] skb->network_header = (int )((__u16 )((long )skb->data)) - (int )((__u16 )((long )skb->head)) [L5719] RET skb_reset_network_header(skb) [L5720] CALL dev_queue_xmit(skb) [L6643] return __VERIFIER_nondet_int(); [L5720] RET dev_queue_xmit(skb) [L5900] RET cisco_keepalive_send(dev, 2U, tmp___2, tmp___1) VAL [\old(arg)=20, __this_module={1383247551111184437397648:1383247551111184437397663}, arg=20, cisco_header_ops={17:0}, dev={0:20}, hdlc={0:3284}, jiffies=18446744073709476631, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, st={18:0}, tmp={0:3284}, tmp___0={18:0}, tmp___1=4, tmp___2=60] [L5901] CALL spin_unlock(& st->lock) VAL [__this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, jiffies=18446744073709476631, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5270] FCALL _raw_spin_unlock(& lock->ldv_6338.rlock) [L5901] RET spin_unlock(& st->lock) VAL [\old(arg)=20, __this_module={1383247551111184437397648:1383247551111184437397663}, arg=20, cisco_header_ops={17:0}, dev={0:20}, hdlc={0:3284}, jiffies=18446744073709476631, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, st={18:0}, tmp={0:3284}, tmp___0={18:0}, tmp___1=4, tmp___2=60] [L5902] EXPR st->settings.interval [L5902] st->timer.expires = (unsigned long )(st->settings.interval * 250U) + (unsigned long )jiffies [L5903] st->timer.function = & cisco_timer [L5904] st->timer.data = arg VAL [\old(arg)=20, __this_module={1383247551111184437397648:1383247551111184437397663}, arg=20, cisco_header_ops={17:0}, dev={0:20}, hdlc={0:3284}, jiffies=18446744073709476631, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, st={18:0}, tmp={0:3284}, tmp___0={18:0}, tmp___1=4, tmp___2=60] [L5905] FCALL add_timer(& st->timer) VAL [\old(arg)=20, __this_module={1383247551111184437397648:1383247551111184437397663}, arg=20, cisco_header_ops={17:0}, dev={0:20}, hdlc={0:3284}, jiffies=18446744073709476631, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, st={18:0}, tmp={0:3284}, tmp___0={18:0}, tmp___1=4, tmp___2=60] [L6115] RET (*(timer->function))(timer->data) [L6116] LDV_IN_INTERRUPT = 1 [L6117] ldv_timer_state_1 = 2 [L6186] RET choose_timer_1(ldv_timer_list_1) [L6182] tmp___6 = __VERIFIER_nondet_int() [L6184] case 0: [L6190] case 1: VAL [__this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, jiffies=18446744073709476631, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=2, ldvarg0={0:0}, ldvarg1=4294887575, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=51354, ldvarg5={0:0}, ldvarg6={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=4294887575, tmp___1=51354, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=1, tmp___7=1] [L6191] COND TRUE ldv_state_variable_0 != 0 [L6192] tmp___7 = __VERIFIER_nondet_int() [L6194] case 0: VAL [__this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, jiffies=18446744073709476631, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=2, ldvarg0={0:0}, ldvarg1=4294887575, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=51354, ldvarg5={0:0}, ldvarg6={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=4294887575, tmp___1=51354, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=1, tmp___7=0] [L6195] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L6196] CALL mod_exit() [L6074] FCALL unregister_hdlc_protocol(& proto) [L6196] RET mod_exit() [L6197] ldv_state_variable_0 = 2 VAL [__this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, jiffies=18446744073709476631, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=2, ldvarg0={0:0}, ldvarg1=4294887575, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=51354, ldvarg5={0:0}, ldvarg6={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=4294887575, tmp___1=51354, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=1, tmp___7=0] [L6315] CALL ldv_check_final_state() [L6579] int tmp___7 ; [L6581] CALL, EXPR ldv_set_is_empty(LDV_SKBS) [L6470] return (last_index == 0); [L6581] RET, EXPR ldv_set_is_empty(LDV_SKBS) [L6581] tmp___7 = ldv_set_is_empty(LDV_SKBS) [L6582] COND FALSE !(\read(tmp___7)) VAL [__this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, jiffies=18446744073709476631, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=2, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp___7=0] [L6584] CALL ldv_error() VAL [__this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, jiffies=18446744073709476631, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=2, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5554] reach_error() VAL [__this_module={1383247551111184437397648:1383247551111184437397663}, cisco_header_ops={17:0}, jiffies=18446744073709476631, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=2, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 33 procedures, 356 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.1s, OverallIterations: 6, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1429 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1425 mSDsluCounter, 8274 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6864 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1380 IncrementalHoareTripleChecker+Invalid, 1390 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 2297 mSDtfsCounter, 1380 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1374occurred in iteration=5, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 5 MinimizatonAttempts, 22 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 547 NumberOfCodeBlocks, 547 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 400 ConstructedInterpolants, 0 QuantifiedInterpolants, 654 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 331/331 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-10-17 17:41:35,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/bin/utaipan-G1rejxKTta/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/bin/utaipan-G1rejxKTta/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/bin/utaipan-G1rejxKTta --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash aa96c32cec5c31a75c9cdd0122db38bdeb379765e4b6aca9c91d1bb4fedaed44 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:41:38,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:41:38,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:41:38,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:41:38,737 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:41:38,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:41:38,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:41:38,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:41:38,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:41:38,772 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:41:38,773 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:41:38,776 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:41:38,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:41:38,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:41:38,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:41:38,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:41:38,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:41:38,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:41:38,794 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:41:38,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:41:38,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:41:38,810 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:41:38,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:41:38,815 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:41:38,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:41:38,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:41:38,825 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:41:38,828 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:41:38,829 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:41:38,830 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:41:38,831 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:41:38,832 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:41:38,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:41:38,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:41:38,837 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:41:38,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:41:38,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:41:38,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:41:38,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:41:38,842 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:41:38,843 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:41:38,844 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-10-17 17:41:38,905 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:41:38,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:41:38,907 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:41:38,907 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:41:38,908 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:41:38,909 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:41:38,909 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:41:38,909 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:41:38,909 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:41:38,910 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:41:38,911 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:41:38,911 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:41:38,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:41:38,913 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:41:38,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:41:38,914 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:41:38,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:41:38,914 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 17:41:38,914 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 17:41:38,915 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 17:41:38,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:41:38,916 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:41:38,916 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:41:38,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:41:38,917 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 17:41:38,917 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:41:38,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:41:38,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:41:38,918 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:41:38,918 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:41:38,918 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 17:41:38,918 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 17:41:38,919 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:41:38,919 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:41:38,919 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 17:41:38,920 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/bin/utaipan-G1rejxKTta/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa96c32cec5c31a75c9cdd0122db38bdeb379765e4b6aca9c91d1bb4fedaed44 [2022-10-17 17:41:39,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:41:39,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:41:39,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:41:39,464 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:41:39,465 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:41:39,467 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i [2022-10-17 17:41:39,545 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/bin/utaipan-G1rejxKTta/data/8416b1715/6abd3f6eb2c44dc68115a0d777033679/FLAG9f437b762 [2022-10-17 17:41:40,671 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:41:40,672 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i [2022-10-17 17:41:40,716 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/bin/utaipan-G1rejxKTta/data/8416b1715/6abd3f6eb2c44dc68115a0d777033679/FLAG9f437b762 [2022-10-17 17:41:41,049 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/bin/utaipan-G1rejxKTta/data/8416b1715/6abd3f6eb2c44dc68115a0d777033679 [2022-10-17 17:41:41,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:41:41,053 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:41:41,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:41:41,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:41:41,063 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:41:41,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:41:41" (1/1) ... [2022-10-17 17:41:41,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e1199ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:41:41, skipping insertion in model container [2022-10-17 17:41:41,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:41:41" (1/1) ... [2022-10-17 17:41:41,092 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:41:41,225 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:41:42,317 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i[158033,158046] [2022-10-17 17:41:42,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:41:42,636 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-10-17 17:41:42,692 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:41:42,815 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i[158033,158046] [2022-10-17 17:41:42,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:41:42,899 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:41:43,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i[158033,158046] [2022-10-17 17:41:43,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:41:43,312 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:41:43,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:41:43 WrapperNode [2022-10-17 17:41:43,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:41:43,314 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:41:43,315 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:41:43,315 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:41:43,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:41:43" (1/1) ... [2022-10-17 17:41:43,403 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:41:43" (1/1) ... [2022-10-17 17:41:43,531 INFO L138 Inliner]: procedures = 158, calls = 357, calls flagged for inlining = 63, calls inlined = 60, statements flattened = 1390 [2022-10-17 17:41:43,532 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:41:43,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:41:43,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:41:43,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:41:43,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:41:43" (1/1) ... [2022-10-17 17:41:43,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:41:43" (1/1) ... [2022-10-17 17:41:43,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:41:43" (1/1) ... [2022-10-17 17:41:43,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:41:43" (1/1) ... [2022-10-17 17:41:43,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:41:43" (1/1) ... [2022-10-17 17:41:43,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:41:43" (1/1) ... [2022-10-17 17:41:43,696 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:41:43" (1/1) ... [2022-10-17 17:41:43,706 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:41:43" (1/1) ... [2022-10-17 17:41:43,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:41:43,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:41:43,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:41:43,724 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:41:43,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:41:43" (1/1) ... [2022-10-17 17:41:43,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:41:43,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/bin/utaipan-G1rejxKTta/z3 [2022-10-17 17:41:43,756 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 17:41:43,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a53c65-0aa5-4ee7-ab0e-577b82bd93d7/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 17:41:43,801 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-10-17 17:41:43,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-10-17 17:41:43,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-10-17 17:41:43,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-10-17 17:41:43,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 17:41:43,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 17:41:43,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-10-17 17:41:43,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 17:41:43,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 17:41:43,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 17:41:43,803 INFO L130 BoogieDeclarations]: Found specification of procedure state [2022-10-17 17:41:43,803 INFO L138 BoogieDeclarations]: Found implementation of procedure state [2022-10-17 17:41:43,803 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-10-17 17:41:43,803 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-10-17 17:41:43,803 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_ioctl [2022-10-17 17:41:43,804 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_ioctl [2022-10-17 17:41:43,804 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_rx [2022-10-17 17:41:43,804 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_rx [2022-10-17 17:41:43,804 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-10-17 17:41:43,804 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-10-17 17:41:43,805 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_type_trans [2022-10-17 17:41:43,805 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_type_trans [2022-10-17 17:41:43,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 17:41:43,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 17:41:43,805 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_on [2022-10-17 17:41:43,805 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_on [2022-10-17 17:41:43,806 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-10-17 17:41:43,806 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-10-17 17:41:43,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-10-17 17:41:43,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-10-17 17:41:43,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 17:41:43,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 17:41:43,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-10-17 17:41:43,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-10-17 17:41:43,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-10-17 17:41:43,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-10-17 17:41:43,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 17:41:43,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 17:41:43,808 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:41:43,808 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:41:43,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:41:43,808 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 17:41:43,808 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 17:41:43,809 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_hard_header [2022-10-17 17:41:43,809 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_hard_header [2022-10-17 17:41:43,809 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-10-17 17:41:43,809 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-10-17 17:41:43,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:41:43,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:41:43,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:41:43,810 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-10-17 17:41:43,810 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-10-17 17:41:43,810 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-17 17:41:43,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-10-17 17:41:43,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-10-17 17:41:43,811 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-10-17 17:41:43,811 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-10-17 17:41:43,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-10-17 17:41:43,811 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-10-17 17:41:43,811 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-10-17 17:41:43,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:41:43,812 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-10-17 17:41:43,812 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-10-17 17:41:43,812 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 17:41:43,812 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 17:41:43,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-10-17 17:41:43,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-10-17 17:41:43,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-10-17 17:41:43,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:41:43,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 17:41:43,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 17:41:43,814 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-17 17:41:43,814 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-17 17:41:43,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 17:41:43,814 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_keepalive_send [2022-10-17 17:41:43,814 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_keepalive_send [2022-10-17 17:41:43,814 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-10-17 17:41:43,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-10-17 17:41:43,815 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-17 17:41:43,815 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-17 17:41:43,815 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-17 17:41:43,815 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-17 17:41:43,815 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-17 17:41:43,816 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-17 17:41:43,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-10-17 17:41:43,816 INFO L130 BoogieDeclarations]: Found specification of procedure linkwatch_fire_event [2022-10-17 17:41:43,816 INFO L138 BoogieDeclarations]: Found implementation of procedure linkwatch_fire_event [2022-10-17 17:41:43,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-17 17:41:43,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-17 17:41:43,817 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-17 17:41:43,817 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-17 17:41:43,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:41:43,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:41:44,350 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:41:44,353 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:41:44,452 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true;